/* ==========================================================================
   ISSA MANSION - Property Management Application
   Design: Black & white minimalist. Legal document meets modern app.
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS Custom Properties
   -------------------------------------------------------------------------- */
:root {
    --color-black: #000000;
    --color-white: #ffffff;
    --color-bg: #f5f5f5;
    --color-border: #e0e0e0;
    --color-text-secondary: #666666;
    --color-row-alt: #f9f9f9;
    --color-gold: #c9a96e;
    --color-notification: #c0392b;

    --font-stack: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
        Roboto, "Helvetica Neue", Arial, sans-serif;

    --max-width: 900px;
    --radius: 8px;
    --radius-sm: 4px;
    --card-padding: 20px;
    --touch-target: 44px;

    --transition-fast: 0.15s ease;
    --transition-base: 0.25s ease;
    --transition-slow: 0.35s ease;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.12);

    --z-dropdown: 100;
    --z-sticky: 200;
    --z-overlay: 500;
    --z-nav-mobile: 600;
    --z-modal: 700;
    --z-toast: 800;
}

/* --------------------------------------------------------------------------
   Reset & Base
   -------------------------------------------------------------------------- */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-stack);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-black);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
}

img,
svg {
    display: block;
    max-width: 100%;
    height: auto;
}

a {
    color: var(--color-black);
    text-decoration: none;
    transition: opacity var(--transition-fast);
}

a:hover {
    opacity: 0.7;
}

ul,
ol {
    list-style: none;
}

button,
input,
select,
textarea {
    font-family: inherit;
    font-size: inherit;
    line-height: inherit;
    color: inherit;
}

table {
    border-collapse: collapse;
    border-spacing: 0;
}

/* --------------------------------------------------------------------------
   Typography
   -------------------------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.25;
    margin-bottom: 0.5em;
}

h1 { font-size: 1.75rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.1rem; }
h5 { font-size: 1rem; }
h6 { font-size: 0.875rem; text-transform: uppercase; letter-spacing: 0.05em; }

p {
    margin-bottom: 1em;
}

p:last-child {
    margin-bottom: 0;
}

small,
.text-sm {
    font-size: 0.875rem;
}

.text-xs {
    font-size: 0.75rem;
}

.text-secondary {
    color: var(--color-text-secondary);
}

.text-uppercase {
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }

/* Money amounts & numeric data */
.money,
.amount,
.currency,
.share-number,
[data-type="money"],
[data-type="number"] {
    font-variant-numeric: tabular-nums;
    font-feature-settings: "tnum";
}

.money,
.amount,
.currency {
    font-weight: 600;
    white-space: nowrap;
}

.money-lg {
    font-size: 1.75rem;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
}

.money-sm {
    font-size: 0.875rem;
    font-variant-numeric: tabular-nums;
}

.share-number {
    font-weight: 600;
    letter-spacing: 0.02em;
}

/* --------------------------------------------------------------------------
   Layout
   -------------------------------------------------------------------------- */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin-left: auto;
    margin-right: auto;
    padding-left: 16px;
    padding-right: 16px;
}

.app-wrapper {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.main-content {
    flex: 1;
    padding-top: 24px;
    padding-bottom: 48px;
}

/* Desktop: sidebar + content layout */
.layout-with-sidebar {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.sidebar {
    width: 100%;
}

.sidebar-content {
    position: sticky;
    top: 80px;
}

.content-area {
    flex: 1;
    min-width: 0;
}

@media (min-width: 768px) {
    .container {
        padding-left: 24px;
        padding-right: 24px;
    }

    .layout-with-sidebar {
        flex-direction: row;
    }

    .sidebar {
        width: 240px;
        flex-shrink: 0;
    }
}

@media (min-width: 1024px) {
    .container {
        padding-left: 32px;
        padding-right: 32px;
    }
}

/* Section spacing */
.section {
    margin-bottom: 32px;
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
    flex-wrap: wrap;
    gap: 12px;
}

.section-header h2,
.section-header h3 {
    margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   Navigation - Top Bar
   -------------------------------------------------------------------------- */
.nav {
    background-color: var(--color-white);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
}

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
    padding: 0 5%;
}

/* Logo */
.nav-logo {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    font-family: 'Georgia', serif;
    font-size: 1.1rem;
    font-weight: 300;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--color-black);
    text-decoration: none;
    text-decoration: none;
    line-height: 1;
}

.nav-logo:hover {
    opacity: 1;
}

.nav-logo-text {
    font-size: 0.875rem;
    font-weight: 300;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--color-black);
}

.nav-logo-divider {
    display: block;
    width: 100%;
    height: 1px;
    background-color: var(--color-gold);
    margin-top: 4px;
    margin-top: 4px;
}

/* Desktop nav links */
.nav-links {
    display: none;
    align-items: center;
    gap: 8px;
}

.nav-links a,
.nav-links button {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-black);
    border-radius: var(--radius-sm);
    transition: background-color var(--transition-fast);
    background: none;
    border: none;
    cursor: pointer;
    white-space: nowrap;
    min-height: var(--touch-target);
    text-decoration: none;
}

.nav-links a:hover,
.nav-links button:hover {
    background-color: var(--color-bg);
    opacity: 1;
}

.nav-links a.active {
    background-color: var(--color-black);
    color: var(--color-white);
}

/* Notification badge in nav */
.nav-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 18px;
    height: 18px;
    padding: 0 5px;
    font-size: 0.625rem;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    color: var(--color-white);
    background-color: var(--color-notification);
    border-radius: 9px;
    line-height: 1;
}

/* User/avatar area */
.nav-user {
    display: none;
    align-items: center;
    gap: 10px;
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.nav-user:hover {
    background-color: var(--color-bg);
}

.nav-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background-color: var(--color-black);
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 600;
}

.nav-user-name {
    font-size: 0.875rem;
    font-weight: 500;
}

@media (min-width: 768px) {
    .nav-links {
        display: flex;
    }

    .nav-user {
        display: flex;
    }

    .hamburger {
        display: none;
    }
}

/* --------------------------------------------------------------------------
   Hamburger Menu (Mobile)
   -------------------------------------------------------------------------- */
.hamburger {
    display: flex;
    align-items: center;
    justify-content: center;
    width: var(--touch-target);
    height: var(--touch-target);
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    position: relative;
    z-index: calc(var(--z-nav-mobile) + 1);
}

.hamburger-line {
    display: block;
    width: 20px;
    height: 2px;
    background-color: var(--color-black);
    position: relative;
    transition: background-color var(--transition-fast);
}

.hamburger-line::before,
.hamburger-line::after {
    content: "";
    display: block;
    width: 20px;
    height: 2px;
    background-color: var(--color-black);
    position: absolute;
    left: 0;
    transition: transform var(--transition-base);
}

.hamburger-line::before {
    top: -6px;
}

.hamburger-line::after {
    top: 6px;
}

/* Hamburger active/open state */
.hamburger.is-active .hamburger-line {
    background-color: transparent;
}

.hamburger.is-active .hamburger-line::before {
    top: 0;
    transform: rotate(45deg);
}

.hamburger.is-active .hamburger-line::after {
    top: 0;
    transform: rotate(-45deg);
}

/* Mobile nav overlay */
.mobile-nav-overlay {
    position: fixed;
    inset: 0;
    background-color: var(--color-white);
    z-index: var(--z-nav-mobile);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-base), visibility var(--transition-base);
}

.mobile-nav-overlay.is-open {
    opacity: 1;
    visibility: visible;
}

.mobile-nav-list {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    width: 100%;
    max-width: 320px;
    padding: 0 24px;
}

.mobile-nav-list a,
.mobile-nav-list button {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    padding: 14px 20px;
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--color-black);
    text-decoration: none;
    border-radius: var(--radius);
    transition: background-color var(--transition-fast);
    background: none;
    border: none;
    cursor: pointer;
    min-height: var(--touch-target);
}

.mobile-nav-list a:hover,
.mobile-nav-list button:hover {
    background-color: var(--color-bg);
    opacity: 1;
}

.mobile-nav-list a.active {
    background-color: var(--color-black);
    color: var(--color-white);
}

.mobile-nav-divider {
    width: 40px;
    height: 1px;
    background-color: var(--color-border);
    margin: 8px auto;
}

/* --------------------------------------------------------------------------
   Cards & Panels
   -------------------------------------------------------------------------- */
.card {
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: var(--card-padding);
}

.card + .card {
    margin-top: 16px;
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--color-border);
    flex-wrap: wrap;
    gap: 8px;
}

.card-header h3,
.card-header h4 {
    margin-bottom: 0;
}

.card-body {
    /* Utility wrapper inside card for flexible layouts */
}

.card-footer {
    margin-top: 16px;
    padding-top: 12px;
    border-top: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 8px;
    flex-wrap: wrap;
}

/* Card variants */
.card-flat {
    border: none;
    box-shadow: var(--shadow-sm);
}

.card-compact {
    padding: 14px;
}

/* Panel (full-width card, no border-radius on mobile) */
.panel {
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    padding: var(--card-padding);
    border-radius: 0;
    margin-left: -16px;
    margin-right: -16px;
}

@media (min-width: 768px) {
    .panel {
        border-radius: var(--radius);
        margin-left: 0;
        margin-right: 0;
    }
}

/* --------------------------------------------------------------------------
   Login Page
   -------------------------------------------------------------------------- */
.login-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 24px 16px;
    background: #0a0a0a;
}

.login-card {
    width: 100%;
    max-width: 420px;
    background-color: var(--color-white);
    border-radius: var(--radius);
    padding: 48px 36px;
    box-shadow: var(--shadow-lg);
}

.login-logo {
    text-align: center;
    margin-bottom: 8px;
    font-size: 2.2rem;
    font-weight: 300;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--color-black);
    font-family: 'Georgia', serif;
}

.login-logo-divider {
    width: 60px;
    height: 1px;
    background-color: var(--color-gold);
    margin: 16px auto 16px;
}

.login-subtitle {
    text-align: center;
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 32px;
}

.login-card .form-group {
    margin-bottom: 20px;
}

.login-card .form-label {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}

.login-card .form-input {
    padding: 14px 16px;
    font-size: 1.05rem;
    border-radius: var(--radius);
}

.login-card .btn {
    width: 100%;
    margin-top: 8px;
    padding: 14px;
    font-size: 0.95rem;
    letter-spacing: 0.05em;
}

.login-footer {
    text-align: center;
    margin-top: 24px;
    font-size: 0.8rem;
    color: var(--color-text-secondary);
}

.login-footer a {
    color: var(--color-black);
    font-weight: 500;
    text-decoration: underline;
    text-underline-offset: 2px;
}

.login-info {
    text-align: center;
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    margin-bottom: 20px;
}

.login-code-input {
    text-align: center;
    font-size: 1.8rem;
    letter-spacing: 0.5em;
    font-weight: 600;
    padding: 16px !important;
}

/* --------------------------------------------------------------------------
   Dashboard
   -------------------------------------------------------------------------- */
.dashboard-welcome {
    margin-bottom: 24px;
}

.dashboard-welcome h1 {
    font-size: 1.5rem;
    margin-bottom: 4px;
}

.dashboard-welcome p {
    color: var(--color-text-secondary);
    margin-bottom: 0;
}

/* Stats cards grid */
.stats-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
    margin-bottom: 24px;
}

@media (min-width: 375px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 768px) {
    .stats-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 16px;
    }
}

@media (min-width: 1024px) {
    .stats-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.stat-card {
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 16px;
}

.stat-card-label {
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-secondary);
    margin-bottom: 4px;
}

.stat-card-value {
    font-size: 1.5rem;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    line-height: 1.2;
}

.stat-card-detail {
    font-size: 0.75rem;
    color: var(--color-text-secondary);
    margin-top: 4px;
    font-variant-numeric: tabular-nums;
}

/* --------------------------------------------------------------------------
   Progress Bars
   -------------------------------------------------------------------------- */
.progress {
    width: 100%;
    height: 8px;
    background-color: var(--color-border);
    border-radius: 0;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background-color: var(--color-black);
    transition: width var(--transition-slow);
    border-radius: 0;
}

/* Labeled progress */
.progress-labeled {
    margin-bottom: 16px;
}

.progress-label {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    margin-bottom: 6px;
    font-size: 0.875rem;
}

.progress-label-text {
    font-weight: 500;
}

.progress-label-value {
    font-variant-numeric: tabular-nums;
    color: var(--color-text-secondary);
}

/* Progress size variants */
.progress-sm {
    height: 4px;
}

.progress-lg {
    height: 12px;
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    font-size: 0.875rem;
    font-weight: 600;
    line-height: 1.4;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    cursor: pointer;
    transition: opacity var(--transition-fast), background-color var(--transition-fast),
        border-color var(--transition-fast);
    text-decoration: none;
    white-space: nowrap;
    min-height: var(--touch-target);
    user-select: none;
}

.btn:hover {
    opacity: 0.85;
}

.btn:active {
    transform: scale(0.98);
}

.btn:disabled,
.btn.is-disabled {
    opacity: 0.4;
    cursor: not-allowed;
    pointer-events: none;
}

/* Primary */
.btn-primary {
    background-color: var(--color-black);
    color: var(--color-white);
    border-color: var(--color-black);
}

.btn-primary:hover {
    opacity: 0.85;
}

/* Secondary */
.btn-secondary {
    background-color: var(--color-white);
    color: var(--color-black);
    border-color: var(--color-black);
}

.btn-secondary:hover {
    background-color: var(--color-bg);
    opacity: 1;
}

/* Danger */
.btn-danger {
    background-color: var(--color-black);
    color: var(--color-white);
    border-color: var(--color-black);
}

.btn-danger:hover {
    opacity: 0.85;
}

/* Ghost (no border) */
.btn-ghost {
    background-color: transparent;
    color: var(--color-black);
    border-color: transparent;
}

.btn-ghost:hover {
    background-color: var(--color-bg);
    opacity: 1;
}

/* Size variants */
.btn-sm {
    padding: 6px 12px;
    font-size: 0.8125rem;
    min-height: 32px;
}

.btn-lg {
    padding: 14px 28px;
    font-size: 1rem;
    min-height: 52px;
}

.btn-block {
    display: flex;
    width: 100%;
}

/* Button group */
.btn-group {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

/* Icon-only button */
.btn-icon {
    padding: 8px;
    min-width: var(--touch-target);
}

/* --------------------------------------------------------------------------
   Forms
   -------------------------------------------------------------------------- */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 6px;
}

.form-label-optional {
    font-weight: 400;
    color: var(--color-text-secondary);
}

.form-input,
.form-select,
.form-textarea {
    display: block;
    width: 100%;
    padding: 10px 12px;
    font-size: 1rem;
    line-height: 1.5;
    color: var(--color-black);
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    min-height: var(--touch-target);
    appearance: none;
    -webkit-appearance: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-black);
    box-shadow: 0 0 0 1px var(--color-black);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: #999;
}

.form-input:disabled,
.form-select:disabled,
.form-textarea:disabled {
    background-color: var(--color-bg);
    color: var(--color-text-secondary);
    cursor: not-allowed;
}

/* Select arrow */
.form-select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23666' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

/* Textarea */
.form-textarea {
    min-height: 100px;
    resize: vertical;
    line-height: 1.6;
}

/* Input with prefix/suffix */
.form-input-group {
    display: flex;
    align-items: stretch;
}

.form-input-group .form-input {
    border-radius: 0;
}

.form-input-group .form-input:first-child {
    border-radius: var(--radius-sm) 0 0 var(--radius-sm);
}

.form-input-group .form-input:last-child {
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.form-input-prefix,
.form-input-suffix {
    display: flex;
    align-items: center;
    padding: 0 12px;
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    white-space: nowrap;
}

.form-input-prefix {
    border-right: none;
    border-radius: var(--radius-sm) 0 0 var(--radius-sm);
}

.form-input-suffix {
    border-left: none;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

/* Checkbox & Radio (custom) */
.form-check {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    min-height: var(--touch-target);
    padding: 4px 0;
    cursor: pointer;
}

.form-check input[type="checkbox"],
.form-check input[type="radio"] {
    width: 18px;
    height: 18px;
    margin-top: 2px;
    cursor: pointer;
    accent-color: var(--color-black);
    flex-shrink: 0;
}

.form-check-label {
    font-size: 0.9375rem;
    line-height: 1.4;
    cursor: pointer;
}

/* Help text / error */
.form-help {
    display: block;
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
    margin-top: 4px;
}

.form-error {
    display: block;
    font-size: 0.8125rem;
    color: var(--color-black);
    font-weight: 600;
    margin-top: 4px;
}

.form-input.is-invalid,
.form-select.is-invalid,
.form-textarea.is-invalid {
    border-color: var(--color-black);
    box-shadow: 0 0 0 1px var(--color-black);
}

/* Inline form (row) */
.form-row {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.form-row .form-group {
    flex: 1;
    min-width: 0;
}

@media (max-width: 767px) {
    .form-row {
        flex-direction: column;
    }
}

/* File upload */
.form-file {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 120px;
    padding: 24px;
    border: 2px dashed var(--color-border);
    border-radius: var(--radius);
    cursor: pointer;
    transition: border-color var(--transition-fast), background-color var(--transition-fast);
    text-align: center;
}

.form-file:hover {
    border-color: var(--color-black);
    background-color: var(--color-bg);
}

.form-file input[type="file"] {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
}

.form-file-icon {
    font-size: 1.5rem;
    margin-bottom: 8px;
    color: var(--color-text-secondary);
}

.form-file-text {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

.form-file-text strong {
    color: var(--color-black);
}

/* --------------------------------------------------------------------------
   Tables (Responsive)
   -------------------------------------------------------------------------- */
.table-container {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background-color: var(--color-white);
}

.table {
    width: 100%;
    min-width: 600px;
    border-collapse: collapse;
    font-size: 0.875rem;
}

.table th {
    background-color: var(--color-white);
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--color-text-secondary);
    text-align: left;
    padding: 12px 16px;
    border-bottom: 2px solid var(--color-border);
    white-space: nowrap;
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
}

.table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--color-border);
    vertical-align: middle;
}

.table tbody tr:nth-child(odd) {
    background-color: var(--color-white);
}

.table tbody tr:nth-child(even) {
    background-color: var(--color-row-alt);
}

.table tbody tr:last-child td {
    border-bottom: none;
}

.table tbody tr:hover {
    background-color: var(--color-bg);
}

/* Numeric columns */
.table td.col-number,
.table th.col-number {
    text-align: right;
    font-variant-numeric: tabular-nums;
}

/* Compact table */
.table-compact th,
.table-compact td {
    padding: 8px 12px;
}

/* Clickable rows */
.table-clickable tbody tr {
    cursor: pointer;
}

/* Table within scrollable container hint */
.table-scroll-hint {
    display: block;
    text-align: center;
    font-size: 0.75rem;
    color: var(--color-text-secondary);
    padding: 8px;
}

@media (min-width: 768px) {
    .table-scroll-hint {
        display: none;
    }
}

/* --------------------------------------------------------------------------
   Status Badges
   -------------------------------------------------------------------------- */
.badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 4px 10px;
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: 2px;
    white-space: nowrap;
    line-height: 1.4;
    vertical-align: middle;
}

.badge-paid,
.badge-active,
.badge-success {
    background-color: var(--color-black);
    color: var(--color-white);
}

.badge-pending,
.badge-inactive,
.badge-info {
    background-color: var(--color-white);
    color: var(--color-black);
    border: 1px solid var(--color-black);
}

.badge-overdue,
.badge-error,
.badge-danger {
    background-color: var(--color-black);
    color: var(--color-white);
}

.badge-draft {
    background-color: var(--color-bg);
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border);
}

/* Circular count badge (for notifications) */
.badge-count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 20px;
    height: 20px;
    padding: 0 6px;
    font-size: 0.6875rem;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    color: var(--color-white);
    background-color: var(--color-notification);
    border-radius: 10px;
    line-height: 1;
}

/* --------------------------------------------------------------------------
   Modals
   -------------------------------------------------------------------------- */
.modal-backdrop {
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: var(--z-modal);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-base), visibility var(--transition-base);
}

.modal-backdrop.is-open {
    opacity: 1;
    visibility: visible;
}

.modal {
    background-color: var(--color-white);
    border-radius: var(--radius);
    width: 100%;
    max-width: 520px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-lg);
    transform: translateY(8px);
    transition: transform var(--transition-base);
}

.modal-backdrop.is-open .modal {
    transform: translateY(0);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid var(--color-border);
    flex-shrink: 0;
}

.modal-header h3 {
    margin-bottom: 0;
    font-size: 1.125rem;
}

.modal-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: none;
    background: none;
    cursor: pointer;
    border-radius: var(--radius-sm);
    font-size: 1.25rem;
    color: var(--color-text-secondary);
    transition: background-color var(--transition-fast);
}

.modal-close:hover {
    background-color: var(--color-bg);
    color: var(--color-black);
}

.modal-body {
    padding: 24px;
    overflow-y: auto;
    flex: 1;
}

.modal-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 8px;
    padding: 16px 24px;
    border-top: 1px solid var(--color-border);
    flex-shrink: 0;
}

/* Modal sizes */
.modal-sm {
    max-width: 400px;
}

.modal-lg {
    max-width: 680px;
}

/* --------------------------------------------------------------------------
   Alerts / Notices
   -------------------------------------------------------------------------- */
.alert {
    padding: 14px 16px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
    font-size: 0.9375rem;
    line-height: 1.5;
    margin-bottom: 16px;
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.alert-icon {
    flex-shrink: 0;
    font-size: 1.125rem;
    line-height: 1.5;
}

.alert-content {
    flex: 1;
    min-width: 0;
}

.alert-content strong {
    display: block;
    margin-bottom: 2px;
}

.alert-dismiss {
    flex-shrink: 0;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    padding: 0;
    line-height: 1;
}

.alert-dismiss:hover {
    color: var(--color-black);
}

/* Variants */
.alert-info {
    background-color: var(--color-white);
    border-color: var(--color-border);
    color: var(--color-black);
}

.alert-warning {
    background-color: var(--color-bg);
    border-color: var(--color-black);
    color: var(--color-black);
}

.alert-success {
    background-color: var(--color-white);
    border-color: var(--color-black);
    color: var(--color-black);
}

.alert-error {
    background-color: var(--color-black);
    border-color: var(--color-black);
    color: var(--color-white);
}

.alert-error .alert-dismiss {
    color: rgba(255, 255, 255, 0.6);
}

.alert-error .alert-dismiss:hover {
    color: var(--color-white);
}

/* --------------------------------------------------------------------------
   Pagination
   -------------------------------------------------------------------------- */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    margin-top: 24px;
    flex-wrap: wrap;
}

.pagination-item {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: var(--touch-target);
    height: var(--touch-target);
    padding: 0 8px;
    font-size: 0.875rem;
    font-weight: 500;
    font-variant-numeric: tabular-nums;
    color: var(--color-black);
    text-decoration: none;
    border-radius: var(--radius-sm);
    transition: background-color var(--transition-fast);
    cursor: pointer;
    border: none;
    background: none;
}

.pagination-item:hover {
    background-color: var(--color-bg);
    opacity: 1;
}

.pagination-item.is-active {
    background-color: var(--color-black);
    color: var(--color-white);
}

.pagination-item.is-disabled {
    opacity: 0.3;
    cursor: not-allowed;
    pointer-events: none;
}

.pagination-ellipsis {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: var(--touch-target);
    color: var(--color-text-secondary);
    font-size: 0.875rem;
}

/* --------------------------------------------------------------------------
   Toggle Switch
   -------------------------------------------------------------------------- */
.toggle {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    min-height: var(--touch-target);
}

.toggle-switch {
    position: relative;
    width: 44px;
    height: 24px;
    flex-shrink: 0;
}

.toggle-switch input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-track {
    position: absolute;
    inset: 0;
    background-color: var(--color-border);
    border-radius: 12px;
    transition: background-color var(--transition-fast);
    cursor: pointer;
}

.toggle-track::after {
    content: "";
    position: absolute;
    top: 2px;
    left: 2px;
    width: 20px;
    height: 20px;
    background-color: var(--color-white);
    border-radius: 50%;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-fast);
}

.toggle-switch input:checked + .toggle-track {
    background-color: var(--color-black);
}

.toggle-switch input:checked + .toggle-track::after {
    transform: translateX(20px);
}

.toggle-switch input:focus-visible + .toggle-track {
    box-shadow: 0 0 0 2px var(--color-white), 0 0 0 4px var(--color-black);
}

.toggle-label {
    font-size: 0.9375rem;
    user-select: none;
    cursor: pointer;
}

/* --------------------------------------------------------------------------
   Filter Bar
   -------------------------------------------------------------------------- */
.filter-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.filter-bar .form-input,
.filter-bar .form-select {
    min-height: 40px;
    font-size: 0.875rem;
}

.filter-bar .form-input {
    max-width: 260px;
}

.filter-bar .form-select {
    max-width: 180px;
}

.filter-group {
    display: flex;
    gap: 4px;
}

.filter-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    font-size: 0.8125rem;
    font-weight: 500;
    border: 1px solid var(--color-border);
    border-radius: 20px;
    background-color: var(--color-white);
    color: var(--color-black);
    cursor: pointer;
    transition: background-color var(--transition-fast), border-color var(--transition-fast);
    min-height: 36px;
    white-space: nowrap;
}

.filter-chip:hover {
    border-color: var(--color-black);
}

.filter-chip.is-active {
    background-color: var(--color-black);
    color: var(--color-white);
    border-color: var(--color-black);
}

.filter-chip-remove {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    height: 16px;
    font-size: 0.75rem;
    border-radius: 50%;
    background: none;
    border: none;
    cursor: pointer;
    color: inherit;
    padding: 0;
    line-height: 1;
}

@media (max-width: 767px) {
    .filter-bar {
        flex-direction: column;
        align-items: stretch;
    }

    .filter-bar .form-input,
    .filter-bar .form-select {
        max-width: none;
    }

    .filter-group {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        padding-bottom: 4px;
    }
}

/* --------------------------------------------------------------------------
   Activity Log
   -------------------------------------------------------------------------- */
.activity-log {
    list-style: none;
}

.activity-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid var(--color-border);
}

.activity-item:last-child {
    border-bottom: none;
}

.activity-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: var(--color-bg);
    color: var(--color-black);
    flex-shrink: 0;
    font-size: 0.875rem;
}

.activity-icon-payment {
    background-color: var(--color-black);
    color: var(--color-white);
}

.activity-icon-maintenance {
    background-color: var(--color-bg);
    color: var(--color-black);
    border: 1px solid var(--color-border);
}

.activity-icon-user {
    background-color: var(--color-bg);
    color: var(--color-text-secondary);
}

.activity-icon-alert {
    background-color: var(--color-black);
    color: var(--color-white);
}

.activity-body {
    flex: 1;
    min-width: 0;
}

.activity-text {
    font-size: 0.9375rem;
    line-height: 1.4;
    margin-bottom: 2px;
}

.activity-meta {
    font-size: 0.75rem;
    color: var(--color-text-secondary);
}

/* --------------------------------------------------------------------------
   Debt Tracker / Highlighted Box
   -------------------------------------------------------------------------- */
.debt-tracker {
    background-color: var(--color-white);
    border: 2px solid var(--color-black);
    border-radius: var(--radius);
    padding: var(--card-padding);
    margin-bottom: 24px;
}

.debt-tracker-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
    flex-wrap: wrap;
    gap: 8px;
}

.debt-tracker-header h3 {
    margin-bottom: 0;
}

.debt-tracker-total {
    font-size: 1.75rem;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    margin-bottom: 16px;
}

.debt-tracker-breakdown {
    list-style: none;
}

.debt-tracker-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid var(--color-border);
    font-size: 0.9375rem;
}

.debt-tracker-item:last-child {
    border-bottom: none;
}

.debt-tracker-item-label {
    color: var(--color-text-secondary);
}

.debt-tracker-item-value {
    font-weight: 600;
    font-variant-numeric: tabular-nums;
}

/* --------------------------------------------------------------------------
   Admin Panel Sections
   -------------------------------------------------------------------------- */
.admin-section {
    margin-bottom: 32px;
}

.admin-section-title {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-text-secondary);
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--color-border);
}

.admin-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
}

@media (min-width: 768px) {
    .admin-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.admin-card {
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 16px;
    display: flex;
    align-items: center;
    gap: 14px;
    cursor: pointer;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    text-decoration: none;
    color: var(--color-black);
}

.admin-card:hover {
    border-color: var(--color-black);
    box-shadow: var(--shadow-sm);
    opacity: 1;
}

.admin-card-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background-color: var(--color-bg);
    border-radius: var(--radius-sm);
    flex-shrink: 0;
    font-size: 1.25rem;
}

.admin-card-info h4 {
    margin-bottom: 2px;
    font-size: 0.9375rem;
}

.admin-card-info p {
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
    margin-bottom: 0;
}

/* Settings list (for admin settings pages) */
.settings-list {
    list-style: none;
}

.settings-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 0;
    border-bottom: 1px solid var(--color-border);
    gap: 16px;
}

.settings-item:last-child {
    border-bottom: none;
}

.settings-item-info {
    flex: 1;
    min-width: 0;
}

.settings-item-label {
    font-weight: 600;
    font-size: 0.9375rem;
    margin-bottom: 2px;
}

.settings-item-desc {
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
}

.settings-item-action {
    flex-shrink: 0;
}

/* --------------------------------------------------------------------------
   Utility Classes
   -------------------------------------------------------------------------- */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.hidden {
    display: none !important;
}

.flex {
    display: flex;
}

.flex-col {
    flex-direction: column;
}

.items-center {
    align-items: center;
}

.items-start {
    align-items: flex-start;
}

.justify-between {
    justify-content: space-between;
}

.justify-center {
    justify-content: center;
}

.justify-end {
    justify-content: flex-end;
}

.gap-4 { gap: 4px; }
.gap-8 { gap: 8px; }
.gap-12 { gap: 12px; }
.gap-16 { gap: 16px; }
.gap-24 { gap: 24px; }

.flex-1 { flex: 1; }
.flex-shrink-0 { flex-shrink: 0; }
.flex-wrap { flex-wrap: wrap; }

.w-full { width: 100%; }
.min-w-0 { min-width: 0; }

.mt-0 { margin-top: 0; }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }

.mb-0 { margin-bottom: 0; }
.mb-8 { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.mb-32 { margin-bottom: 32px; }

.p-0 { padding: 0; }
.p-8 { padding: 8px; }
.p-16 { padding: 16px; }
.p-24 { padding: 24px; }

.truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.no-wrap { white-space: nowrap; }

.border-bottom {
    border-bottom: 1px solid var(--color-border);
}

.border-top {
    border-top: 1px solid var(--color-border);
}

.rounded { border-radius: var(--radius); }
.rounded-sm { border-radius: var(--radius-sm); }

.bg-white { background-color: var(--color-white); }
.bg-light { background-color: var(--color-bg); }

.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }
.font-medium { font-weight: 500; }
.font-normal { font-weight: 400; }

.tabular-nums {
    font-variant-numeric: tabular-nums;
    font-feature-settings: "tnum";
}

/* --------------------------------------------------------------------------
   Empty States
   -------------------------------------------------------------------------- */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 48px 24px;
    text-align: center;
}

.empty-state-icon {
    font-size: 2.5rem;
    color: var(--color-border);
    margin-bottom: 16px;
}

.empty-state h3 {
    font-size: 1.125rem;
    margin-bottom: 8px;
}

.empty-state p {
    color: var(--color-text-secondary);
    font-size: 0.9375rem;
    max-width: 320px;
    margin-bottom: 20px;
}

/* --------------------------------------------------------------------------
   Loading / Skeleton
   -------------------------------------------------------------------------- */
.skeleton {
    background: linear-gradient(
        90deg,
        var(--color-border) 25%,
        var(--color-bg) 50%,
        var(--color-border) 75%
    );
    background-size: 200% 100%;
    animation: skeleton-shimmer 1.5s infinite ease-in-out;
    border-radius: var(--radius-sm);
}

.skeleton-text {
    height: 1em;
    width: 80%;
    margin-bottom: 8px;
}

.skeleton-title {
    height: 1.5em;
    width: 50%;
    margin-bottom: 12px;
}

.skeleton-card {
    height: 120px;
    border-radius: var(--radius);
}

@keyframes skeleton-shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* Spinner */
.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid var(--color-border);
    border-top-color: var(--color-black);
    border-radius: 50%;
    animation: spinner-rotate 0.6s linear infinite;
}

.spinner-sm {
    width: 14px;
    height: 14px;
    border-width: 1.5px;
}

.spinner-lg {
    width: 32px;
    height: 32px;
    border-width: 3px;
}

@keyframes spinner-rotate {
    to { transform: rotate(360deg); }
}

/* --------------------------------------------------------------------------
   Toast Notifications
   -------------------------------------------------------------------------- */
.toast-container {
    position: fixed;
    top: 80px;
    right: 16px;
    z-index: var(--z-toast);
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-width: 380px;
    width: calc(100% - 32px);
    pointer-events: none;
}

.toast {
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 14px 16px;
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: flex-start;
    gap: 10px;
    pointer-events: auto;
    animation: toast-in var(--transition-base) ease forwards;
}

.toast.is-leaving {
    animation: toast-out var(--transition-fast) ease forwards;
}

.toast-error {
    border-color: var(--color-black);
    border-left-width: 3px;
}

@keyframes toast-in {
    from {
        opacity: 0;
        transform: translateX(20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes toast-out {
    from {
        opacity: 1;
        transform: translateX(0);
    }
    to {
        opacity: 0;
        transform: translateX(20px);
    }
}

/* --------------------------------------------------------------------------
   Dropdown Menus
   -------------------------------------------------------------------------- */
.dropdown {
    position: relative;
    display: inline-flex;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 4px;
    min-width: 180px;
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    z-index: var(--z-dropdown);
    padding: 4px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-4px);
    transition: opacity var(--transition-fast), visibility var(--transition-fast),
        transform var(--transition-fast);
}

.dropdown-menu.is-open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    padding: 8px 12px;
    font-size: 0.875rem;
    color: var(--color-black);
    text-decoration: none;
    border-radius: var(--radius-sm);
    border: none;
    background: none;
    cursor: pointer;
    text-align: left;
    transition: background-color var(--transition-fast);
    min-height: 36px;
}

.dropdown-item:hover {
    background-color: var(--color-bg);
    opacity: 1;
}

.dropdown-divider {
    height: 1px;
    background-color: var(--color-border);
    margin: 4px 0;
}

/* --------------------------------------------------------------------------
   Tabs
   -------------------------------------------------------------------------- */
.tabs {
    display: flex;
    border-bottom: 1px solid var(--color-border);
    gap: 0;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.tab {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 12px 16px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    border: none;
    background: none;
    cursor: pointer;
    white-space: nowrap;
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
    transition: color var(--transition-fast), border-color var(--transition-fast);
    min-height: var(--touch-target);
}

.tab:hover {
    color: var(--color-black);
}

.tab.is-active {
    color: var(--color-black);
    border-bottom-color: var(--color-black);
    font-weight: 600;
}

.tab-content {
    padding-top: 20px;
}

/* --------------------------------------------------------------------------
   Tooltip
   -------------------------------------------------------------------------- */
[data-tooltip] {
    position: relative;
}

[data-tooltip]::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: calc(100% + 6px);
    left: 50%;
    transform: translateX(-50%);
    padding: 6px 10px;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-white);
    background-color: var(--color-black);
    border-radius: var(--radius-sm);
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-fast), visibility var(--transition-fast);
    pointer-events: none;
    z-index: var(--z-dropdown);
}

[data-tooltip]:hover::after {
    opacity: 1;
    visibility: visible;
}

/* --------------------------------------------------------------------------
   Divider
   -------------------------------------------------------------------------- */
.divider {
    height: 1px;
    background-color: var(--color-border);
    margin: 24px 0;
    border: none;
}

.divider-sm {
    margin: 12px 0;
}

.divider-lg {
    margin: 40px 0;
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.footer {
    padding: 24px 0;
    border-top: 1px solid var(--color-border);
    background-color: var(--color-white);
    margin-top: auto;
    text-align: center;
    font-size: 0.8rem;
    color: var(--color-text-secondary);
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
}

.footer-links {
    display: flex;
    gap: 16px;
}

.footer-links a {
    color: var(--color-text-secondary);
    font-size: 0.8125rem;
}

.footer-links a:hover {
    color: var(--color-black);
    opacity: 1;
}

/* --------------------------------------------------------------------------
   Print Styles
   -------------------------------------------------------------------------- */
@media print {
    *,
    *::before,
    *::after {
        background: transparent !important;
        color: #000 !important;
        box-shadow: none !important;
    }

    body {
        font-size: 12pt;
        line-height: 1.4;
    }

    .nav,
    .hamburger,
    .mobile-nav-overlay,
    .footer,
    .btn,
    .filter-bar,
    .pagination,
    .toast-container,
    .modal-backdrop {
        display: none !important;
    }

    .container {
        max-width: 100%;
        padding: 0;
    }

    .card,
    .panel {
        border: 1px solid #ccc;
        break-inside: avoid;
    }

    .table-container {
        overflow: visible;
    }

    .table {
        min-width: 0;
    }

    a[href]::after {
        content: " (" attr(href) ")";
        font-size: 0.8em;
        color: #666;
    }

    h1, h2, h3 {
        break-after: avoid;
    }
}

/* --------------------------------------------------------------------------
   Responsive: Small phone (375px)
   -------------------------------------------------------------------------- */
@media (max-width: 374px) {
    :root {
        --card-padding: 14px;
    }

    h1 { font-size: 1.375rem; }
    h2 { font-size: 1.25rem; }

    .stat-card-value {
        font-size: 1.25rem;
    }

    .money-lg {
        font-size: 1.375rem;
    }

    .login-card {
        padding: 28px 20px;
    }

    .modal-header,
    .modal-body,
    .modal-footer {
        padding-left: 16px;
        padding-right: 16px;
    }
}

/* --------------------------------------------------------------------------
   Responsive: Tablet (768px)
   -------------------------------------------------------------------------- */
@media (min-width: 768px) {
    .main-content {
        padding-top: 32px;
        padding-bottom: 64px;
    }

    .section {
        margin-bottom: 40px;
    }

    .card + .card {
        margin-top: 20px;
    }
}

/* --------------------------------------------------------------------------
   Responsive: Desktop (1024px)
   -------------------------------------------------------------------------- */
@media (min-width: 1024px) {
    .nav-inner {
        height: 72px;
    }

    .stats-grid {
        gap: 20px;
    }

    .section {
        margin-bottom: 48px;
    }
}

/* --------------------------------------------------------------------------
   Focus & Accessibility
   -------------------------------------------------------------------------- */
:focus-visible {
    outline: 2px solid var(--color-black);
    outline-offset: 2px;
}

/* Remove focus ring for mouse clicks */
:focus:not(:focus-visible) {
    outline: none;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    html {
        scroll-behavior: auto;
    }
}

/* High contrast / forced colors */
@media (forced-colors: active) {
    .badge,
    .btn,
    .toggle-track,
    .progress-bar {
        border: 1px solid currentColor;
    }
}

/* ==========================================================================
   MISSING CLASS DEFINITIONS — Layout, Cards, Forms, Tables, Badges, etc.
   ========================================================================== */

/* --- Page Layout --- */
.page-container {
    max-width: 100%;
    margin: 0 auto;
    padding: 24px 5% 48px;
}

.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 24px;
}

.page-title {
    font-size: 1.75rem;
    font-weight: 700;
    letter-spacing: -0.01em;
    margin: 0;
}

.page-subtitle {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    margin: 4px 0 0;
}

/* --- Card Components --- */
.card-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.card-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin: 0 0 4px;
}

.card-title-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 8px;
}

.card-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-text-secondary);
    margin-bottom: 4px;
}

.card-value {
    font-size: 1.5rem;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    line-height: 1.2;
}

.card-meta {
    font-size: 0.8rem;
    color: var(--color-text-secondary);
    margin-top: 4px;
}

.card-text {
    font-size: 0.9rem;
    line-height: 1.5;
    color: var(--color-black);
}

.card-detail-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid var(--color-border);
    font-size: 0.9rem;
}

.card-detail-row:last-child {
    border-bottom: none;
}

.card-actions {
    display: flex;
    gap: 12px;
    align-items: center;
    margin-top: 16px;
}

.card-form {
    max-width: 600px;
    margin: 0 auto;
}

.card-highlight {
    border: 2px solid var(--color-black);
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 16px;
}

.card-link {
    display: block;
    color: inherit;
    text-decoration: none;
}

.card-link:hover {
    opacity: 1;
    box-shadow: var(--shadow-md);
}

.card-link-block {
    display: block;
    text-decoration: none;
    color: inherit;
    transition: box-shadow var(--transition-fast);
}

.card-link-block:hover {
    box-shadow: var(--shadow-md);
    opacity: 1;
}

.card-narrow {
    max-width: 600px;
    margin: 0 auto;
}

/* --- Form Enhancements --- */
.form {
    width: 100%;
}

.form-group-inline {
    display: inline-block;
    vertical-align: top;
    margin-right: 12px;
    min-width: 140px;
}

.form-label-checkbox,
.form-label-radio {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: 0.9rem;
    min-height: var(--touch-target);
}

.form-label-checkbox input[type="checkbox"],
.form-label-radio input[type="radio"] {
    width: 18px;
    height: 18px;
    accent-color: var(--color-black);
}

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M6 8L1 3h10z' fill='%23666'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

.form-textarea {
    resize: vertical;
    min-height: 100px;
}

.form-help {
    font-size: 0.75rem;
    color: var(--color-text-secondary);
    margin-top: 4px;
}

.form-actions {
    display: flex;
    gap: 12px;
    align-items: center;
    margin-top: 20px;
}

.form-card {
    max-width: 600px;
    margin: 0 auto;
}

.form-input-sm {
    padding: 6px 10px;
    font-size: 0.85rem;
}

.checkbox-group,
.radio-group {
    display: flex;
    flex-wrap: wrap;
    gap: 12px 24px;
}

.required {
    color: #c0392b;
}

/* --- Filter Components --- */
.filter-form {
    width: 100%;
}

.filter-row {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: flex-end;
    margin-bottom: 12px;
}

.filter-actions {
    display: flex;
    gap: 8px;
}

.filter-tabs {
    display: flex;
    gap: 8px;
}

/* --- Table Enhancements --- */
.table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin: 0 -20px;
    padding: 0 20px;
}

.table-row-highlight {
    background-color: #fff8e1 !important;
    outline: 2px solid var(--color-gold);
}

.text-right {
    text-align: right;
}

.text-small {
    font-size: 0.8rem;
    color: var(--color-text-secondary);
}

.text-bold {
    font-weight: 700;
}

/* --- Progress Bar --- */
.progress-bar {
    width: 100%;
    height: 20px;
    background-color: var(--color-border);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.progress-bar-fill {
    height: 100%;
    background-color: var(--color-black);
    border-radius: var(--radius-sm);
    transition: width var(--transition-base);
    min-width: 0;
}

/* --- Badge Variants --- */
.badge-paid {
    background-color: var(--color-black);
    color: var(--color-white);
}

.badge-pending {
    background-color: var(--color-white);
    color: var(--color-black);
    border: 1px solid var(--color-black);
}

.badge-overdue {
    background-color: var(--color-black);
    color: var(--color-white);
    text-decoration: line-through;
}

.badge-category {
    background-color: var(--color-row-alt);
    color: var(--color-black);
    border: 1px solid var(--color-border);
}

/* --- Button Enhancements --- */
.btn-row {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 0.8rem;
}

/* --- Empty State --- */
.empty-state {
    text-align: center;
    padding: 48px 20px;
}

.empty-state-text {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    margin-bottom: 16px;
}

/* --- Navigation Enhancements --- */
.nav-link {
    padding: 8px 14px;
    font-size: 0.85rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: background-color var(--transition-fast);
}

.nav-link:hover {
    background-color: var(--color-row-alt);
    opacity: 1;
}

.nav-link.active {
    background-color: var(--color-black);
    color: var(--color-white);
}

.nav-dropdown {
    position: relative;
}

.nav-dropdown-arrow {
    font-size: 0.6em;
    margin-left: 4px;
}

.nav-dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    min-width: 200px;
    z-index: var(--z-dropdown);
    padding: 8px 0;
}

.nav-dropdown.open .nav-dropdown-menu {
    display: block;
}

.nav-dropdown-menu a {
    display: block;
    padding: 8px 16px;
    font-size: 0.85rem;
    color: var(--color-black);
}

.nav-dropdown-menu a:hover {
    background-color: var(--color-row-alt);
    opacity: 1;
}

.nav-dropdown-btn {
    cursor: pointer;
}

.nav-user-info {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
}

.nav-logout {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    margin-left: 12px;
}

.nav-hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.nav-hamburger span {
    display: block;
    width: 22px;
    height: 2px;
    background-color: var(--color-black);
    border-radius: 1px;
}

.mobile-nav-overlay {
    display: none;
}

.mobile-nav-overlay.active {
    display: flex;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: var(--z-nav-mobile);
}

.mobile-nav-content {
    background: var(--color-white);
    width: 280px;
    height: 100%;
    padding: 20px;
    overflow-y: auto;
    margin-left: auto;
}

.mobile-nav-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 8px;
    display: block;
    margin-left: auto;
    margin-bottom: 16px;
}

.mobile-nav-link {
    display: block;
    padding: 12px 0;
    border-bottom: 1px solid var(--color-border);
    font-size: 0.95rem;
}

.mobile-nav-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-text-secondary);
    margin-top: 16px;
    margin-bottom: 4px;
}

.mobile-nav-divider {
    height: 1px;
    background: var(--color-border);
    margin: 12px 0;
}

/* --- Error Page --- */
.error-message {
    font-size: 1.2rem;
    margin-bottom: 16px;
}

.error-details {
    margin-top: 24px;
    padding: 16px;
    background: var(--color-row-alt);
    border-radius: var(--radius);
    overflow-x: auto;
}

.error-detail-label {
    font-weight: 700;
    font-size: 0.85rem;
    margin-bottom: 8px;
}

.error-stack {
    font-family: monospace;
    font-size: 0.8rem;
    white-space: pre-wrap;
    word-break: break-all;
}

/* --- Section Titles --- */
.section-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin: 32px 0 16px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--color-black);
}

.section-admin {
    margin-top: 40px;
    padding-top: 24px;
    border-top: 2px solid var(--color-black);
}

/* --- Toggle Switch --- */
.toggle-input {
    display: none;
}

.toggle-slider {
    display: inline-block;
    width: 44px;
    height: 24px;
    background-color: var(--color-border);
    border-radius: 12px;
    position: relative;
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.toggle-slider::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 20px;
    height: 20px;
    background: var(--color-white);
    border-radius: 50%;
    transition: transform var(--transition-fast);
    box-shadow: var(--shadow-sm);
}

.toggle-input:checked + .toggle-slider {
    background-color: var(--color-black);
}

.toggle-input:checked + .toggle-slider::after {
    transform: translateX(20px);
}

/* --- Summary Cards --- */
.summary-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.summary-card {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: var(--card-padding);
}

.summary-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-text-secondary);
}

.summary-value {
    font-size: 1.5rem;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    margin-top: 4px;
}

.summary-meta {
    font-size: 0.8rem;
    color: var(--color-text-secondary);
    margin-top: 4px;
}

/* --- Detail Layouts --- */
.detail-row {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid var(--color-border);
}

.detail-label {
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--color-text-secondary);
}

.detail-value {
    font-variant-numeric: tabular-nums;
}

.detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

/* --- Inline Forms (for expense approval etc.) --- */
.inline-form {
    display: inline;
}

.inline-form-panel {
    padding: 16px;
    background: var(--color-row-alt);
    border-radius: var(--radius);
    margin-top: 8px;
}

.inline-form-row {
    display: flex;
    gap: 8px;
    align-items: flex-end;
    flex-wrap: wrap;
}

.inline-details summary {
    cursor: pointer;
    font-weight: 600;
    font-size: 0.85rem;
    padding: 4px 0;
}

/* --- List Components --- */
.list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.list-item {
    padding: 12px 0;
    border-bottom: 1px solid var(--color-border);
}

.list-item:last-child {
    border-bottom: none;
}

.list-compact .list-item {
    padding: 8px 0;
}

.list-item-text {
    font-size: 0.9rem;
}

.list-item-meta {
    font-size: 0.8rem;
    color: var(--color-text-secondary);
}

.list-item-content {
    flex: 1;
}

/* --- Share Statements --- */
.share-statement-section {
    margin-bottom: 32px;
    page-break-inside: avoid;
}

.share-summary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 12px;
    margin-bottom: 16px;
}

/* --- Modal --- */
.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: var(--z-modal);
    align-items: center;
    justify-content: center;
}

.modal-overlay.active {
    display: flex;
}

.modal-content {
    background: var(--color-white);
    border-radius: var(--radius);
    padding: 32px;
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
}

/* --- Print --- */
.no-print {
    /* visible by default */
}

@media print {
    .no-print {
        display: none !important;
    }
}

/* --- Expense Detail --- */
.expense-header {
    margin-bottom: 24px;
}

.expense-header-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 16px;
    flex-wrap: wrap;
}

.expense-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-top: 12px;
}

.expense-meta-item {
    font-size: 0.85rem;
}

.expense-meta-label {
    color: var(--color-text-secondary);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.expense-meta-value {
    font-weight: 600;
}

.expense-description {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    margin-top: 12px;
}

/* --- Custom Split Inputs (new expense form) --- */
.custom-splits {
    padding: 16px;
    background: var(--color-row-alt);
    border-radius: var(--radius);
    margin-top: 8px;
}

.custom-split-row {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 8px;
}

.custom-split-input {
    width: 100px;
}

.custom-split-total {
    font-weight: 700;
    font-size: 0.9rem;
    margin-top: 8px;
    padding-top: 8px;
    border-top: 1px solid var(--color-border);
}

/* --- Responsive: Mobile hamburger visible --- */
@media (max-width: 768px) {
    .nav-hamburger {
        display: flex;
    }

    .nav-links,
    .nav-user {
        display: none !important;
    }

    .page-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .card-row {
        grid-template-columns: 1fr;
    }

    .filter-row {
        flex-direction: column;
    }

    .form-group-inline {
        display: block;
        margin-right: 0;
        margin-bottom: 12px;
        width: 100%;
    }

    .detail-grid {
        grid-template-columns: 1fr;
    }

    .card-detail-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
    }
}

/* --- Additional missing classes --- */

.card-icon {
    margin-bottom: 8px;
}

.file-type-badge {
    display: inline-block;
    padding: 4px 10px;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    border-radius: var(--radius-sm);
    background: var(--color-black);
    color: var(--color-white);
}

.file-type-pdf { background: #333; }
.file-type-doc { background: #555; }
.file-type-xls { background: #222; }
.file-type-img { background: #777; }

.empty-state-icon {
    font-size: 2rem;
    margin-bottom: 12px;
    color: var(--color-text-secondary);
}

.filter-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: flex-end;
    margin-bottom: 24px;
}

.filter-group {
    display: inline-block;
    vertical-align: top;
    min-width: 140px;
}

.filter-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--color-text-secondary);
    margin-bottom: 4px;
}

.input {
    display: block;
    width: 100%;
    padding: 10px 14px;
    font-size: 0.9rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-white);
    transition: border-color var(--transition-fast);
}

.input:focus {
    outline: none;
    border-color: var(--color-black);
}

.btn-ghost {
    background: transparent;
    border: 1px solid var(--color-border);
    color: var(--color-text-secondary);
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.875rem;
}

.btn-ghost:hover {
    border-color: var(--color-black);
    color: var(--color-black);
}

.table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.section {
    margin-bottom: 32px;
}

.form-input-textarea {
    resize: vertical;
    min-height: 100px;
}

.form-input-file {
    padding: 10px;
}

.page-center {
    text-align: center;
}

.page-header-print {
    display: none;
}

@media print {
    .page-header-print {
        display: block;
    }
}