/* ================================================================
   CLINICAL PRECISION SYSTEM — Design System CSS
   Basé sur DESIGN.md — Hôpital Management System
   ================================================================ */

/* ─── CSS Custom Properties (Design Tokens) ────────────────── */
:root {
    /* ── Surface Colors ── */
    --surface: #f9f9ff;
    --surface-dim: #cadbfc;
    --surface-bright: #f9f9ff;
    --surface-container-lowest: #ffffff;
    --surface-container-low: #f0f3ff;
    --surface-container: #e7eeff;
    --surface-container-high: #dfe8ff;
    --surface-container-highest: #d6e3ff;
    --on-surface: #091c35;
    --on-surface-variant: #434654;
    --inverse-surface: #20314b;
    --inverse-on-surface: #ecf0ff;
    --outline: #737685;
    --outline-variant: #c3c6d6;
    --surface-tint: #0c56d0;

    /* ── Primary ── */
    --primary: #003d9b;
    --on-primary: #ffffff;
    --primary-container: #0052cc;
    --on-primary-container: #c4d2ff;
    --inverse-primary: #b2c5ff;
    --primary-fixed: #dae2ff;
    --primary-fixed-dim: #b2c5ff;
    --on-primary-fixed: #001848;
    --on-primary-fixed-variant: #0040a2;

    /* ── Secondary ── */
    --secondary: #006c47;
    --on-secondary: #ffffff;
    --secondary-container: #82f9be;
    --on-secondary-container: #00734c;
    --secondary-fixed: #82f9be;
    --secondary-fixed-dim: #65dca4;
    --on-secondary-fixed: #002113;
    --on-secondary-fixed-variant: #005235;

    /* ── Tertiary ── */
    --tertiary: #432f9c;
    --on-tertiary: #ffffff;
    --tertiary-container: #5b49b5;
    --on-tertiary-container: #d5ccff;
    --tertiary-fixed: #e5deff;
    --tertiary-fixed-dim: #c9bfff;
    --on-tertiary-fixed: #1a0063;
    --on-tertiary-fixed-variant: #4633a0;

    /* ── Error ── */
    --error: #ba1a1a;
    --on-error: #ffffff;
    --error-container: #ffdad6;
    --on-error-container: #93000a;

    /* ── Background ── */
    --background: #f9f9ff;
    --on-background: #091c35;
    --surface-variant: #d6e3ff;

    /* ── Design System Colors (usage) ── */
    --color-primary: #0052CC;
    --color-primary-hover: #003d9b;
    --color-primary-light: rgba(0, 82, 204, 0.08);
    --color-success: #36B37E;
    --color-success-light: rgba(54, 179, 126, 0.10);
    --color-warning: #E8A838;
    --color-warning-light: rgba(232, 168, 56, 0.10);
    --color-danger: #ba1a1a;
    --color-danger-light: rgba(186, 26, 26, 0.08);
    --color-neutral: #42526E;
    --color-bg: #F7F8FA;
    --color-border: #D1D5DB;

    /* ── Typography ── */
    --font-display: 'Inter', system-ui, -apple-system, sans-serif;
    --font-body: 'Inter', system-ui, -apple-system, sans-serif;
    --font-mono: 'Geist', 'SF Mono', 'Fira Code', monospace;

    /* Display */
    --text-display-lg: 600 32px/40px var(--font-display);
    --letter-display-lg: -0.02em;

    /* Headlines */
    --text-headline-md: 600 24px/32px var(--font-display);
    --letter-headline-md: -0.01em;
    --text-headline-sm: 600 20px/28px var(--font-display);

    /* Title & Body */
    --text-title-lg: 500 18px/24px var(--font-display);
    --text-body-lg: 400 16px/24px var(--font-body);
    --text-body-md: 400 14px/20px var(--font-body);
    --text-label-md: 500 12px/16px var(--font-mono);
    --letter-label-md: 0.02em;
    --text-code-sm: 400 13px/18px var(--font-mono);

    /* ── Spacing (8pt grid) ── */
    --spacing-unit: 8px;
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
    --spacing-3xl: 64px;
    --gutter: 24px;
    --margin-desktop: 32px;
    --margin-mobile: 16px;

    /* ── Border Radius ── */
    --radius-sm: 0.125rem;
    --radius: 0.25rem;
    --radius-md: 0.375rem;
    --radius-lg: 0.5rem;
    --radius-xl: 0.75rem;
    --radius-full: 9999px;

    /* ── Shadows (Elevation System) ── */
    --shadow-none: none;
    --shadow-hover: 0 2px 8px rgba(0, 0, 0, 0.04);
    --shadow-overlay: 0 4px 24px rgba(0, 0, 0, 0.08);
    --shadow-modal: 0 8px 40px rgba(0, 0, 0, 0.12);

    /* ── Layout ── */
    --sidebar-width: 280px;
    --sidebar-collapsed: 64px;
    --topbar-height: 60px;
    --container-max: 1440px;

    /* ── Transitions ── */
    --transition-fast: 150ms ease;
    --transition-normal: 200ms ease;
    --transition-slow: 300ms ease;
}

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

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font: var(--text-body-md);
    color: var(--on-surface);
    background: var(--background);
    min-height: 100vh;
}

a {
    color: var(--primary);
    text-decoration: none;
}

a:hover {
    color: var(--primary-container);
}

img {
    max-width: 100%;
    height: auto;
}

/* ─── Typography Utilities ─────────────────────────────────── */
.display-lg { font: var(--text-display-lg); letter-spacing: var(--letter-display-lg); }
.headline-md { font: var(--text-headline-md); letter-spacing: var(--letter-headline-md); }
.headline-sm { font: var(--text-headline-sm); }
.title-lg { font: var(--text-title-lg); }
.body-lg { font: var(--text-body-lg); }
.body-md { font: var(--text-body-md); }
.label-md { font: var(--text-label-md); letter-spacing: var(--letter-label-md); }
.code-sm { font: var(--text-code-sm); }

/* ─── Layout: Public Pages ────────────────────────────────── */
.public-page {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.public-header {
    background: var(--surface-container-lowest);
    border-bottom: 1px solid var(--color-border);
    padding: 0 var(--margin-desktop);
    height: 64px;
    display: flex;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
}

.public-header-inner {
    max-width: var(--container-max);
    width: 100%;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.brand-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--on-surface);
    font: var(--text-headline-sm);
    text-decoration: none;
}

.brand-logo {
    height: 36px;
    width: auto;
}

.brand-name {
    font-weight: 600;
}

.header-datetime {
    font: var(--text-body-md);
    color: var(--on-surface-variant);
    background: var(--surface-container-low);
    padding: 6px 16px;
    border-radius: var(--radius-lg);
}

.public-main {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl);
}

.public-footer {
    text-align: center;
    padding: var(--spacing-md);
    color: var(--on-surface-variant);
    font: var(--text-label-md);
    letter-spacing: var(--letter-label-md);
    border-top: 1px solid var(--color-border);
}

/* ─── Role Selection Grid ─────────────────────────────────── */
.role-select-container {
    max-width: 1000px;
    width: 100%;
}

.role-select-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.role-select-title {
    font: var(--text-display-lg);
    letter-spacing: var(--letter-display-lg);
    color: var(--on-surface);
    margin-bottom: var(--spacing-xs);
}

.role-select-subtitle {
    font: var(--text-body-lg);
    color: var(--on-surface-variant);
}

.role-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.role-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--surface-container-lowest);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    color: inherit;
    position: relative;
    overflow: hidden;
}

.role-card::before {
    content: '';
    position: absolute;
    left: 0; top: 0; bottom: 0;
    width: 3px;
    background: var(--role-color, var(--primary));
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.role-card:hover {
    border-color: var(--role-color, var(--primary));
    box-shadow: var(--shadow-hover);
    transform: translateY(-1px);
}

.role-card:hover::before {
    opacity: 1;
}

.role-card-icon {
    width: 56px; height: 56px;
    display: flex; align-items: center; justify-content: center;
    background: var(--surface-container-low);
    border-radius: var(--radius-lg);
    color: var(--role-color, var(--primary));
    flex-shrink: 0;
}

.role-card-content {
    flex: 1;
}

.role-card-name {
    display: block;
    font-weight: 600;
    font-size: 15px;
    color: var(--on-surface);
}

.role-card-desc {
    display: block;
    font-size: 13px;
    color: var(--on-surface-variant);
    margin-top: 2px;
}

.role-card-arrow {
    color: var(--outline-variant);
    flex-shrink: 0;
    transition: transform var(--transition-fast);
}

.role-card:hover .role-card-arrow {
    transform: translateX(4px);
    color: var(--role-color, var(--primary));
}

/* ─── Login Page ──────────────────────────────────────────── */
.login-container {
    width: 100%;
    max-width: 440px;
}

.login-card {
    background: var(--surface-container-lowest);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-overlay);
}

.login-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
    background: var(--surface-container-low);
}

.login-back {
    display: inline-flex; align-items: center; gap: 6px;
    color: var(--on-surface-variant);
    font-size: 14px;
    text-decoration: none;
    transition: color var(--transition-fast);
}

.login-back:hover {
    color: var(--primary);
}

.login-role-badge {
    background: var(--badge-color, var(--primary));
    color: white;
    padding: 4px 14px;
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: 500;
}

.login-body {
    padding: var(--spacing-xl) var(--spacing-lg);
}

.login-title {
    font: var(--text-headline-md);
    letter-spacing: var(--letter-headline-md);
    margin-bottom: var(--spacing-xs);
}

.login-subtitle {
    color: var(--on-surface-variant);
    margin-bottom: var(--spacing-lg);
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

/* ─── Form Elements ───────────────────────────────────────── */
.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.form-label {
    font: var(--text-label-md);
    letter-spacing: var(--letter-label-md);
    color: var(--on-surface-variant);
    text-transform: uppercase;
}

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.input-icon {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--outline);
    pointer-events: none;
}

.form-input {
    width: 100%;
    padding: 10px 12px 10px 40px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font: var(--text-body-md);
    color: var(--on-surface);
    background: var(--surface-container-lowest);
    transition: all var(--transition-fast);
    outline: none;
}

.form-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0, 61, 155, 0.12);
}

.input-wrapper .form-input {
    padding-right: 40px;
}

.input-toggle-pw {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--outline);
    cursor: pointer;
    padding: 4px;
    display: flex;
    border-radius: var(--radius);
}

.input-toggle-pw:hover {
    color: var(--on-surface-variant);
}

/* ─── Buttons ─────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 8px 16px;
    border: 1px solid transparent;
    border-radius: var(--radius);
    font: 500 14px/20px var(--font-display);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    white-space: nowrap;
}

.btn-primary {
    background: var(--primary);
    color: var(--on-primary);
    border-color: var(--primary);
}

.btn-primary:hover {
    background: var(--primary-container);
    border-color: var(--primary-container);
    color: white;
}

.btn-secondary {
    background: transparent;
    color: var(--on-surface);
    border-color: var(--color-border);
}

.btn-secondary:hover {
    background: var(--surface-container-low);
    border-color: var(--outline-variant);
}

.btn-danger {
    background: var(--error);
    color: var(--on-error);
}

.btn-danger:hover {
    background: #d32f2f;
}

.btn-sm {
    padding: 4px 10px;
    font-size: 13px;
}

.btn-lg {
    padding: 12px 24px;
    font-size: 16px;
}

.btn-full {
    width: 100%;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ─── Alerts ──────────────────────────────────────────────── */
.alert {
    padding: 12px 16px;
    border-radius: var(--radius-md);
    font-size: 14px;
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
}

.alert-error {
    background: var(--error-container);
    color: var(--on-error-container);
    border: 1px solid rgba(186, 26, 26, 0.2);
}

.alert-success {
    background: var(--secondary-fixed);
    color: var(--on-secondary-fixed);
    border: 1px solid rgba(0, 108, 71, 0.15);
}

.alert-warning {
    background: var(--color-warning-light);
    color: #7a5e00;
    border: 1px solid rgba(232, 168, 56, 0.2);
}

.alert-info {
    background: var(--primary-fixed);
    color: var(--on-primary-fixed);
    border: 1px solid rgba(0, 61, 155, 0.12);
}

/* ─── App Layout (Sidebar + Topbar + Content) ─────────────── */
.app-page {
    background: var(--background);
    overflow-x: hidden;
}

.app-layout {
    display: flex;
    min-height: 100vh;
}

/* ── Sidebar ──────────────────────────────────────────────── */
.sidebar {
    width: var(--sidebar-width);
    background: var(--surface-container-lowest);
    border-right: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0; left: 0; bottom: 0;
    z-index: 200;
    transition: transform var(--transition-slow);
}

.sidebar-header {
    height: var(--topbar-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
    flex-shrink: 0;
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
    color: var(--on-surface);
}

.sidebar-logo {
    color: var(--primary);
    display: flex;
}

.sidebar-brand-text {
    font-weight: 600;
    font-size: 15px;
    white-space: nowrap;
}

.sidebar-close {
    display: none;
    background: none;
    border: none;
    color: var(--on-surface-variant);
    cursor: pointer;
    padding: 4px;
    border-radius: var(--radius);
}

.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-sm);
}

.sidebar-divider {
    height: 1px;
    background: var(--color-border);
    margin: var(--spacing-sm) var(--spacing-md);
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 10px 12px;
    border-radius: var(--radius-md);
    color: var(--on-surface-variant);
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    transition: all var(--transition-fast);
    margin-bottom: 2px;
    position: relative;
}

.sidebar-link:hover {
    background: var(--surface-container-low);
    color: var(--on-surface);
}

.sidebar-link.active {
    background: var(--primary-light);
    color: var(--primary);
}

.sidebar-link.active::before {
    content: '';
    position: absolute;
    left: 0; top: 6px; bottom: 6px;
    width: 3px;
    background: var(--primary);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.sidebar-link svg {
    flex-shrink: 0;
    opacity: 0.7;
}

.sidebar-link.active svg {
    opacity: 1;
}

.sidebar-footer {
    padding: var(--spacing-md);
    border-top: 1px solid var(--color-border);
    flex-shrink: 0;
}

.sidebar-user {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.sidebar-avatar {
    width: 36px; height: 36px;
    border-radius: var(--radius-full);
    background: var(--primary);
    color: white;
    display: flex; align-items: center; justify-content: center;
    font-size: 12px; font-weight: 600;
    flex-shrink: 0;
}

.sidebar-user-info {
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.sidebar-user-name {
    font-size: 13px;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sidebar-user-role {
    font-size: 11px;
    color: var(--on-surface-variant);
}

.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.3);
    z-index: 199;
    backdrop-filter: blur(2px);
}

/* ── Main Wrapper ─────────────────────────────────────────── */
.main-wrapper {
    flex: 1;
    margin-left: var(--sidebar-width);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* ── Topbar ───────────────────────────────────────────────── */
.topbar {
    height: var(--topbar-height);
    background: var(--surface-container-lowest);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--spacing-lg);
    position: sticky;
    top: 0;
    z-index: 100;
}

.topbar-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.topbar-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--on-surface-variant);
    cursor: pointer;
    padding: 6px;
    border-radius: var(--radius);
}

.topbar-menu-btn:hover {
    background: var(--surface-container-low);
}

.topbar-title {
    font: var(--text-headline-sm);
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.topbar-btn {
    background: none;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    width: 36px; height: 36px;
    display: flex; align-items: center; justify-content: center;
    color: var(--on-surface-variant);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.topbar-btn:hover {
    background: var(--surface-container-low);
    border-color: var(--outline-variant);
}

.icon-moon { display: none; }
.dark .icon-sun { display: none; }
.dark .icon-moon { display: block; }

.topbar-user-dropdown {
    position: relative;
}

.topbar-user-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: none;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 4px 12px 4px 4px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.topbar-user-btn:hover {
    background: var(--surface-container-low);
}

.topbar-avatar {
    width: 32px; height: 32px;
    border-radius: var(--radius-full);
    background: var(--primary);
    color: white;
    display: flex; align-items: center; justify-content: center;
    font-size: 11px; font-weight: 600;
}

.topbar-user-name {
    font-size: 13px;
    font-weight: 500;
    color: var(--on-surface);
}

.user-dropdown-menu {
    display: none;
    position: absolute;
    right: 0;
    top: calc(100% + 8px);
    background: var(--surface-container-lowest);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-overlay);
    min-width: 180px;
    z-index: 300;
    overflow: hidden;
}

.topbar-user-dropdown.open .user-dropdown-menu {
    display: block;
}

.user-dropdown-item {
    display: block;
    padding: 10px 16px;
    font-size: 14px;
    color: var(--on-surface);
    text-decoration: none;
    transition: background var(--transition-fast);
}

.user-dropdown-item:hover {
    background: var(--surface-container-low);
}

.user-dropdown-item.logout {
    color: var(--error);
    border-top: 1px solid var(--color-border);
}

/* ── Main Content ─────────────────────────────────────────── */
.main-content {
    flex: 1;
    padding: var(--spacing-lg);
}

/* ─── Dashboard ───────────────────────────────────────────── */
.page-header {
    margin-bottom: var(--spacing-lg);
}

.page-title {
    font: var(--text-display-lg);
    letter-spacing: var(--letter-display-lg);
    margin-bottom: var(--spacing-xs);
}

.page-subtitle {
    color: var(--on-surface-variant);
    font-size: 15px;
}

/* ── Stats Grid ───────────────────────────────────────────── */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.stat-card {
    background: var(--surface-container-lowest);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.stat-card::after {
    content: '';
    position: absolute;
    top: 0; right: 0;
    width: 80px; height: 80px;
    background: var(--stat-color, var(--primary));
    opacity: 0.04;
    border-radius: 0 0 0 80px;
}

.stat-card:hover {
    border-color: var(--stat-color, var(--primary));
    box-shadow: var(--shadow-hover);
}

.stat-icon {
    width: 48px; height: 48px;
    border-radius: var(--radius-lg);
    background: var(--surface-container-low);
    display: flex; align-items: center; justify-content: center;
    color: var(--stat-color, var(--primary));
    flex-shrink: 0;
}

.stat-content {
    display: flex;
    flex-direction: column;
}

.stat-value {
    font: var(--text-display-lg);
    font-size: 28px;
    letter-spacing: var(--letter-display-lg);
    color: var(--on-surface);
}

.stat-label {
    font-size: 13px;
    color: var(--on-surface-variant);
    margin-top: 2px;
}

/* ── Quick Actions ────────────────────────────────────────── */
.section-title {
    font: var(--text-headline-sm);
    margin-bottom: var(--spacing-md);
}

.quick-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
}

.quick-link-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--surface-container-lowest);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    text-decoration: none;
    color: var(--on-surface);
    font-weight: 500;
    font-size: 14px;
    transition: all var(--transition-fast);
}

.quick-link-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-hover);
    color: var(--primary);
}

.quick-link-card svg {
    color: var(--primary);
}

/* ─── Coming Soon ─────────────────────────────────────────── */
.coming-soon-card {
    text-align: center;
    padding: var(--spacing-3xl) var(--spacing-lg);
    background: var(--surface-container-lowest);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    max-width: 480px;
    margin: var(--spacing-2xl) auto;
}

.coming-soon-icon {
    color: var(--primary-fixed-dim);
    margin-bottom: var(--spacing-lg);
}

.coming-soon-title {
    font: var(--text-headline-md);
    letter-spacing: var(--letter-headline-md);
    margin-bottom: var(--spacing-sm);
}

.coming-soon-text {
    color: var(--on-surface-variant);
    margin-bottom: var(--spacing-xs);
}

.coming-soon-sub {
    font-size: 13px;
    color: var(--outline);
    margin-bottom: var(--spacing-lg);
}

/* ─── Footer ──────────────────────────────────────────────── */
.app-footer {
    padding: var(--spacing-md) var(--spacing-lg);
    border-top: 1px solid var(--color-border);
    text-align: center;
    color: var(--on-surface-variant);
    font-size: 12px;
    margin-left: var(--sidebar-width);
}

/* ─── Responsive ──────────────────────────────────────────── */

/* Tablet: 768px - 1024px */
@media (max-width: 1024px) {
    :root {
        --sidebar-width: 64px;
    }

    .sidebar-brand-text,
    .sidebar-link span,
    .sidebar-user-info,
    .sidebar-divider {
        display: none;
    }

    .sidebar-link {
        justify-content: center;
        padding: 12px;
    }

    .sidebar-link.active::before {
        display: none;
    }

    .sidebar-link.active {
        border-radius: var(--radius-full);
        width: 40px; height: 40px;
        margin: 0 auto;
    }

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

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

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .quick-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .role-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Mobile: < 768px */
@media (max-width: 767px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .sidebar.open + .sidebar-overlay,
    .sidebar-overlay.active {
        display: block;
    }

    .sidebar-close {
        display: flex;
    }

    .main-wrapper {
        margin-left: 0;
    }

    .app-footer {
        margin-left: 0;
    }

    .topbar-menu-btn {
        display: flex;
    }

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

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

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

    .public-header {
        padding: 0 var(--margin-mobile);
    }

    .main-content {
        padding: var(--spacing-md);
    }

    .topbar {
        padding: 0 var(--spacing-md);
    }

    .topbar-user-name {
        display: none;
    }
}

/* ─── Dark Mode ───────────────────────────────────────────── */
.dark {
    --surface: #111318;
    --surface-dim: #13161c;
    --surface-bright: #1a1d24;
    --surface-container-lowest: #0d0f13;
    --surface-container-low: #15171d;
    --surface-container: #181b21;
    --surface-container-high: #1c1f26;
    --surface-container-highest: #20242b;
    --on-surface: #e3e2e6;
    --on-surface-variant: #c3c6d6;
    --outline: #8d9099;
    --outline-variant: #434654;
    --background: #111318;
    --on-background: #e3e2e6;
    --color-border: #2d3038;
    --color-bg: #111318;
    --color-neutral: #b0b8c1;

    --primary: #b2c5ff;
    --primary-container: #0052cc;
    --on-primary: #001848;
    --on-primary-container: #c4d2ff;

    --shadow-hover: 0 2px 8px rgba(0, 0, 0, 0.2);
    --shadow-overlay: 0 4px 24px rgba(0, 0, 0, 0.3);
}

.dark .topbar,
.dark .sidebar,
.dark .sidebar-header {
    background: var(--surface-container-lowest);
    border-color: var(--color-border);
}

.dark .stat-card,
.dark .login-card,
.dark .role-card,
.dark .quick-link-card,
.dark .coming-soon-card {
    background: var(--surface-container-low);
    border-color: var(--color-border);
}

.dark .form-input {
    background: var(--surface-container);
    border-color: var(--color-border);
    color: var(--on-surface);
}

.dark .sidebar-link:hover {
    background: var(--surface-container);
}

.dark .sidebar-link.active {
    background: rgba(178, 197, 255, 0.1);
}

.dark .role-card-icon,
.dark .stat-icon {
    background: var(--surface-container);
}

/* ─── Utility Classes ─────────────────────────────────────── */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--on-surface-variant); }
.font-mono { font-family: var(--font-mono); }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.hidden { display: none; }

/* ─── Status Chips ────────────────────────────────────────── */
.chip {
    display: inline-flex;
    align-items: center;
    padding: 2px 10px;
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: 500;
    font-family: var(--font-mono);
    letter-spacing: var(--letter-label-md);
}

.chip-success { background: var(--color-success-light); color: #1a6b3e; }
.chip-warning { background: var(--color-warning-light); color: #7a5e00; }
.chip-danger { background: var(--color-danger-light); color: var(--color-danger); }
.chip-info { background: var(--primary-light); color: var(--primary); }
.chip-neutral { background: var(--surface-container-low); color: var(--on-surface-variant); }

.dark .chip-success { color: #36B37E; }
.dark .chip-warning { color: #E8A838; }
.dark .chip-danger { color: #ff6b6b; }
.dark .chip-info { color: var(--primary); }

/* ─── Cards ───────────────────────────────────────────────── */
.card {
    background: var(--surface-container-lowest);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: var(--spacing-lg);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
    background: var(--surface-container-low);
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.card-body {
    padding: var(--spacing-lg);
}

.card-title {
    font: var(--text-headline-sm);
    margin: 0;
}

/* ─── Data Tables ─────────────────────────────────────────── */
.table-responsive {
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.data-table thead {
    background: var(--surface-container-low);
}

.data-table th {
    padding: 10px 16px;
    text-align: left;
    font: var(--text-label-md);
    letter-spacing: var(--letter-label-md);
    color: var(--on-surface-variant);
    text-transform: uppercase;
    border-bottom: 2px solid var(--color-border);
    white-space: nowrap;
}

.data-table td {
    padding: 10px 16px;
    border-bottom: 1px solid var(--color-border);
    color: var(--on-surface);
    vertical-align: middle;
}

.data-table tbody tr {
    transition: background var(--transition-fast);
    height: 48px;
}

.data-table tbody tr:hover {
    background: var(--surface-container-low);
}

/* ─── Detail Views ────────────────────────────────────────── */
.detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

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

.detail-label {
    font: var(--text-label-md);
    letter-spacing: var(--letter-label-md);
    color: var(--on-surface-variant);
    text-transform: uppercase;
    min-width: 150px;
}

/* ─── Form Layout Helpers ─────────────────────────────────── */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.form-actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--spacing-sm);
    padding-top: var(--spacing-md);
    margin-top: var(--spacing-md);
    border-top: 1px solid var(--color-border);
}

.search-form {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.search-form .form-input {
    padding-left: 12px;
}

select.form-input {
    padding-left: 12px;
}

textarea.form-input {
    padding-left: 12px;
    resize: vertical;
    min-height: 60px;
}

/* ─── Avatars ─────────────────────────────────────────────── */
.avatar-sm {
    width: 36px; height: 36px;
    border-radius: var(--radius-full);
    background: var(--surface-container-low);
    display: flex; align-items: center; justify-content: center;
    font-size: 11px; font-weight: 600;
    color: var(--on-surface-variant);
    overflow: hidden;
}

.avatar-lg {
    display: flex; align-items: center;
}

.avatar-sm img {
    width: 100%; height: 100%;
    object-fit: cover;
}

/* ─── Page Header with action ─────────────────────────────── */
.page-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

/* ─── Responsive Detail Grid ──────────────────────────────── */
@media (max-width: 767px) {
    .detail-grid { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .card-header { flex-direction: column; align-items: flex-start; }
}

/* ─── Dark mode extensions ────────────────────────────────── */
.dark .card,
.dark .data-table thead {
    background: var(--surface-container-low);
    border-color: var(--color-border);
}

.dark .data-table tbody tr:hover {
    background: var(--surface-container);
}