/* ================================================
   仓储管理系统 (WMS) — 2026 Modern UI
   响应式 · 暗色模式 · 移动优先 · 8px栅格
   ================================================ */

/* ---------- CSS Variables / Design Tokens ---------- */
:root {
    /* Colors - Slate + Indigo */
    --color-bg: #f8fafc;
    --color-surface: #ffffff;
    --color-surface-hover: #f1f5f9;
    --color-border: #e2e8f0;
    --color-border-light: #f1f5f9;
    --color-text: #0f172a;
    --color-text-secondary: #475569;
    --color-text-muted: #94a3b8;
    --color-primary: #4f46e5;
    --color-primary-hover: #4338ca;
    --color-primary-light: #eef2ff;
    --color-success: #059669;
    --color-success-light: #ecfdf5;
    --color-warning: #d97706;
    --color-warning-light: #fffbeb;
    --color-danger: #dc2626;
    --color-danger-light: #fef2f2;
    --color-info: #0284c7;
    --color-info-light: #f0f9ff;
    --color-accent: #7c3aed;
    --color-accent-light: #f5f3ff;

    /* Typography */
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Roboto, sans-serif;
    --font-mono: "SF Mono", "Fira Code", "Consolas", monospace;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.8125rem;
    --font-size-base: 0.9375rem;
    --font-size-lg: 1.0625rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;

    /* Spacing (8px grid) */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
    --shadow-lg: 0 4px 6px rgba(0,0,0,0.06), 0 2px 4px rgba(0,0,0,0.04);

    /* Layout */
    --sidebar-width: 240px;
    --sidebar-collapsed: 64px;
    --header-height: 56px;
    --mobile-nav-height: 60px;

    /* Transition */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.2s ease;
    --transition-slow: 0.3s ease;
}

/* ---------- Dark Mode ---------- */
[data-theme="dark"] {
    --color-bg: #0f172a;
    --color-surface: #1e293b;
    --color-surface-hover: #334155;
    --color-border: #334155;
    --color-border-light: #1e293b;
    --color-text: #f1f5f9;
    --color-text-secondary: #94a3b8;
    --color-text-muted: #64748b;
    --color-primary-light: #1e1b4b;
    --color-success-light: #022c22;
    --color-warning-light: #451a03;
    --color-danger-light: #450a0a;
    --color-info-light: #082f49;
    --color-accent-light: #1e1b4b;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
    --shadow-md: 0 1px 3px rgba(0,0,0,0.4);
    --shadow-lg: 0 4px 6px rgba(0,0,0,0.4);
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        --color-bg: #0f172a;
        --color-surface: #1e293b;
        --color-surface-hover: #334155;
        --color-border: #334155;
        --color-border-light: #1e293b;
        --color-text: #f1f5f9;
        --color-text-secondary: #94a3b8;
        --color-text-muted: #64748b;
        --color-primary-light: #1e1b4b;
        --color-success-light: #022c22;
        --color-warning-light: #451a03;
        --color-danger-light: #450a0a;
        --color-info-light: #082f49;
        --color-accent-light: #1e1b4b;
        --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
        --shadow-md: 0 1px 3px rgba(0,0,0,0.4);
        --shadow-lg: 0 4px 6px rgba(0,0,0,0.4);
    }
}

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

html {
    font-size: 15px;
    -webkit-text-size-adjust: 100%;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-text);
    background: var(--color-bg);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

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

/* ---------- Scrollbar ---------- */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--color-text-muted); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--color-text-secondary); }

/* ================================================
   LAYOUT — Main Shell
   ================================================ */
.app-layout {
    display: flex;
    min-height: 100vh;
}

/* ---------- Sidebar ---------- */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: var(--sidebar-width);
    background: var(--color-surface);
    border-right: 1px solid var(--color-border);
    z-index: 100;
    transition: width var(--transition-normal), transform var(--transition-normal);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.sidebar.collapsed {
    width: var(--sidebar-collapsed);
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-4);
    height: var(--header-height);
    border-bottom: 1px solid var(--color-border);
    white-space: nowrap;
    overflow: hidden;
}

.sidebar-brand-icon {
    width: 32px;
    height: 32px;
    background: var(--color-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-lg);
    flex-shrink: 0;
}

.sidebar-brand-text {
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-base);
    color: var(--color-text);
    overflow: hidden;
}

.sidebar.collapsed .sidebar-brand-text { opacity: 0; width: 0; }

.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: var(--space-3);
}

/* Sidebar Menu Items */
.nav-section {
    margin-bottom: var(--space-2);
}

.nav-section-title {
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: var(--space-2) var(--space-3);
    margin-top: var(--space-2);
    white-space: nowrap;
    overflow: hidden;
}

.sidebar.collapsed .nav-section-title { opacity: 0; height: 0; padding: 0; margin: 0; }

.nav-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
    overflow: hidden;
    margin-bottom: 1px;
    border: none;
    background: none;
    width: 100%;
    text-align: left;
}

.nav-item:hover {
    background: var(--color-surface-hover);
    color: var(--color-text);
}

.nav-item.active {
    background: var(--color-primary-light);
    color: var(--color-primary);
    font-weight: var(--font-weight-semibold);
}

.nav-item svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.nav-item-text {
    overflow: hidden;
}

.sidebar.collapsed .nav-item-text { opacity: 0; width: 0; }
.sidebar.collapsed .nav-item { justify-content: center; padding: var(--space-3); }

/* Sidebar Toggle */
.sidebar-toggle {
    position: absolute;
    top: 12px;
    right: -14px;
    width: 28px;
    height: 28px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 14px;
    color: var(--color-text-secondary);
    transition: all var(--transition-fast);
    z-index: 10;
}

.sidebar-toggle:hover { background: var(--color-surface-hover); color: var(--color-text); }

/* ---------- Main Content Area ---------- */
.main-area {
    flex: 1;
    margin-left: var(--sidebar-width);
    transition: margin-left var(--transition-normal);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.sidebar.collapsed ~ .main-area { margin-left: var(--sidebar-collapsed); }

/* ---------- Header ---------- */
.header {
    height: var(--header-height);
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--space-6);
    position: sticky;
    top: 0;
    z-index: 50;
    gap: var(--space-4);
}

.header-left {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    min-width: 0;
}

.header-org-name {
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-lg);
    color: var(--color-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.header-right {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.header-user {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.header-user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--color-primary-light);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-sm);
}

.header-date {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    white-space: nowrap;
}

.header-divider {
    width: 1px;
    height: 24px;
    background: var(--color-border);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

/* ---------- Page Content ---------- */
.page-content {
    flex: 1;
    padding: var(--space-6);
    overflow-y: auto;
}

.page-header {
    margin-bottom: var(--space-6);
}

.page-title {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text);
    margin-bottom: var(--space-1);
}

.page-subtitle {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

/* ================================================
   COMPONENTS
   ================================================ */

/* ---------- Card ---------- */
.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.card-header {
    padding: var(--space-4) var(--space-6);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    flex-wrap: wrap;
}

.card-title {
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-base);
    color: var(--color-text);
}

.card-body {
    padding: var(--space-6);
}

.card-footer {
    padding: var(--space-4) var(--space-6);
    border-top: 1px solid var(--color-border);
    background: var(--color-bg);
}

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    line-height: 1.5;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
    user-select: none;
    min-height: 36px;
    text-decoration: none;
}

.btn:active { transform: scale(0.97); }

.btn-primary {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}
.btn-primary:hover { background: var(--color-primary-hover); border-color: var(--color-primary-hover); color: #fff; }

.btn-secondary {
    background: var(--color-surface);
    color: var(--color-text-secondary);
    border-color: var(--color-border);
}
.btn-secondary:hover { background: var(--color-surface-hover); color: var(--color-text); }

.btn-success {
    background: var(--color-success);
    color: #fff;
}
.btn-success:hover { opacity: 0.9; }

.btn-danger {
    background: var(--color-danger);
    color: #fff;
}
.btn-danger:hover { opacity: 0.9; }

.btn-warning {
    background: var(--color-warning);
    color: #fff;
}
.btn-warning:hover { opacity: 0.9; }

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

.btn-sm { padding: var(--space-1) var(--space-3); font-size: var(--font-size-xs); min-height: 30px; }
.btn-lg { padding: var(--space-3) var(--space-6); font-size: var(--font-size-base); min-height: 44px; }

.btn-icon {
    width: 36px; height: 36px; padding: 0;
    justify-content: center;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

.btn-group {
    display: inline-flex;
    gap: var(--space-2);
}

/* ---------- Form Controls ---------- */
.form-group {
    margin-bottom: var(--space-4);
}

.form-label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text);
    margin-bottom: var(--space-1);
}

.form-label .required {
    color: var(--color-danger);
    margin-left: 2px;
}

.form-control {
    display: block;
    width: 100%;
    padding: var(--space-2) var(--space-3);
    font-size: var(--font-size-sm);
    line-height: 1.5;
    color: var(--color-text);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    min-height: 36px;
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.form-control::placeholder { color: var(--color-text-muted); }

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
    padding-right: 32px;
}

textarea.form-control {
    min-height: 80px;
    resize: vertical;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-4);
}

.form-hint {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    margin-top: var(--space-1);
}

.form-error {
    font-size: var(--font-size-xs);
    color: var(--color-danger);
    margin-top: var(--space-1);
}

.form-check {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    cursor: pointer;
}

.form-check input[type="checkbox"],
.form-check input[type="radio"] {
    width: 16px; height: 16px;
    accent-color: var(--color-primary);
}

/* ---------- Tables ---------- */
.table-container {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--font-size-sm);
}

.table th {
    text-align: left;
    padding: var(--space-3) var(--space-4);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-secondary);
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    white-space: nowrap;
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.table td {
    padding: var(--space-3) var(--space-4);
    border-bottom: 1px solid var(--color-border-light);
    color: var(--color-text);
    vertical-align: middle;
}

.table tbody tr {
    transition: background var(--transition-fast);
}

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

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

.table-actions {
    display: flex;
    gap: var(--space-1);
    align-items: center;
}

/* ---------- Badges ---------- */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 2px var(--space-2);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    border-radius: 20px;
    line-height: 1.4;
}

.badge-success { background: var(--color-success-light); color: var(--color-success); }
.badge-warning { background: var(--color-warning-light); color: var(--color-warning); }
.badge-danger { background: var(--color-danger-light); color: var(--color-danger); }
.badge-info { background: var(--color-info-light); color: var(--color-info); }
.badge-primary { background: var(--color-primary-light); color: var(--color-primary); }
.badge-accent { background: var(--color-accent-light); color: var(--color-accent); }
.badge-secondary { background: var(--color-surface-hover); color: var(--color-text-secondary); }

/* ---------- Pagination ---------- */
.pagination {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4) 0;
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    flex-wrap: wrap;
    gap: var(--space-3);
}

.pagination-info { color: var(--color-text-muted); }

.pagination-btns {
    display: flex;
    gap: var(--space-1);
}

.pagination-btns .btn {
    min-width: 36px;
}

.pagination-btns .btn.active {
    background: var(--color-primary);
    color: #fff;
}

/* ---------- Modal ---------- */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(2px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-4);
    animation: fadeIn 0.15s ease;
}

.modal {
    background: var(--color-surface);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 720px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    animation: slideUp 0.2s ease;
}

.modal-sm { max-width: 480px; }
.modal-lg { max-width: 960px; }

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4) var(--space-6);
    border-bottom: 1px solid var(--color-border);
}

.modal-title {
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-lg);
    color: var(--color-text);
}

.modal-close {
    width: 32px; height: 32px;
    border-radius: 50%;
    border: none;
    background: var(--color-surface-hover);
    color: var(--color-text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    transition: all var(--transition-fast);
}

.modal-close:hover { background: var(--color-danger-light); color: var(--color-danger); }

.modal-body {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-6);
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-6);
    border-top: 1px solid var(--color-border);
}

/* ---------- Search Bar ---------- */
.search-bar {
    display: flex;
    gap: var(--space-3);
    flex-wrap: wrap;
    align-items: flex-end;
}

.search-bar .form-group {
    flex: 1;
    min-width: 160px;
    margin-bottom: 0;
}

.search-bar .form-label {
    font-size: var(--font-size-xs);
    margin-bottom: var(--space-1);
}

/* ---------- Stats Grid ---------- */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--space-4);
    margin-bottom: var(--space-6);
}

.stat-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-4) var(--space-5);
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--transition-fast);
}

.stat-card:hover {
    box-shadow: var(--shadow-md);
}

.stat-card-label {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    margin-bottom: var(--space-1);
    font-weight: var(--font-weight-medium);
}

.stat-card-value {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text);
}

.stat-card-sub {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    margin-top: var(--space-1);
}

/* ---------- Toast / Alert ---------- */
.toast-container {
    position: fixed;
    top: var(--space-4);
    right: var(--space-4);
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    max-width: 380px;
}

.toast {
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    display: flex;
    align-items: center;
    gap: var(--space-2);
    animation: slideInRight 0.25s ease;
    border: 1px solid;
}

.toast-success {
    background: var(--color-success-light);
    color: var(--color-success);
    border-color: var(--color-success);
}

.toast-error {
    background: var(--color-danger-light);
    color: var(--color-danger);
    border-color: var(--color-danger);
}

.toast-info {
    background: var(--color-info-light);
    color: var(--color-info);
    border-color: var(--color-info);
}

.toast-warning {
    background: var(--color-warning-light);
    color: var(--color-warning);
    border-color: var(--color-warning);
}

.toast-close {
    margin-left: auto;
    cursor: pointer;
    opacity: 0.6;
    background: none;
    border: none;
    color: inherit;
    font-size: 16px;
    padding: 0;
    line-height: 1;
}

.toast-close:hover { opacity: 1; }

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

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

.loading-overlay {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-12);
}

/* ---------- Empty State ---------- */
.empty-state {
    text-align: center;
    padding: var(--space-12) var(--space-4);
    color: var(--color-text-muted);
}

.empty-state-icon {
    font-size: 48px;
    margin-bottom: var(--space-4);
    opacity: 0.5;
}

.empty-state-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-2);
}

/* ---------- OCR Camera Button ---------- */
.btn-ocr {
    position: relative;
    background: var(--color-accent);
    color: #fff;
    border-color: var(--color-accent);
    flex-shrink: 0;
}
.btn-ocr:hover { opacity: 0.9; color: #fff; }

.ocr-input-group {
    display: flex;
    gap: var(--space-2);
}

.ocr-input-group .form-control {
    flex: 1;
}

/* Camera preview */
.camera-preview {
    width: 100%;
    max-height: 300px;
    border-radius: var(--radius-md);
    background: #000;
    overflow: hidden;
    margin-bottom: var(--space-4);
}

.camera-preview video {
    width: 100%;
    height: auto;
}

/* ---------- Chart Container ---------- */
.chart-container {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    padding: var(--space-6);
    margin-bottom: var(--space-6);
}

.chart-container canvas {
    width: 100% !important;
    max-height: 360px;
}

/* ---------- Summary Row (Footer totals) ---------- */
.summary-row {
    background: var(--color-primary-light) !important;
    font-weight: var(--font-weight-semibold) !important;
}

.summary-row td {
    border-top: 2px solid var(--color-primary) !important;
}

/* ================================================
   AUTH PAGES
   ================================================ */
.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-4);
    background: linear-gradient(135deg, #eef2ff 0%, #f8fafc 50%, #f0fdf4 100%);
}

[data-theme="dark"] .auth-page {
    background: linear-gradient(135deg, #1e1b4b 0%, #0f172a 50%, #022c22 100%);
}

.auth-card {
    background: var(--color-surface);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 440px;
    overflow: hidden;
}

.auth-card-header {
    padding: var(--space-8) var(--space-8) var(--space-4);
    text-align: center;
}

.auth-card-logo {
    width: 56px; height: 56px;
    background: var(--color-primary);
    border-radius: var(--radius-lg);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--space-4);
}

.auth-card-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text);
    margin-bottom: var(--space-1);
}

.auth-card-subtitle {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.auth-card-body {
    padding: var(--space-4) var(--space-8) var(--space-8);
}

.auth-footer {
    text-align: center;
    padding: var(--space-4) var(--space-8);
    border-top: 1px solid var(--color-border);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

/* ---------- Code Input ---------- */
.code-input-group {
    display: flex;
    gap: var(--space-2);
}

.code-input-group .form-control {
    flex: 1;
}

.code-input-group .btn {
    flex-shrink: 0;
}

/* ================================================
   RESPONSIVE — Tablet & Mobile
   ================================================ */
@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
        box-shadow: var(--shadow-lg);
    }

    .sidebar.mobile-open {
        transform: translateX(0);
        width: var(--sidebar-width);
    }

    .sidebar.mobile-open .sidebar-brand-text { opacity: 1; width: auto; }
    .sidebar.mobile-open .nav-item-text { opacity: 1; width: auto; }
    .sidebar.mobile-open .nav-item { justify-content: flex-start; padding: var(--space-2) var(--space-3); }

    .sidebar-toggle { display: none; }

    .main-area {
        margin-left: 0 !important;
    }

    .sidebar-overlay {
        display: none;
        position: fixed;
        inset: 0;
        background: rgba(0,0,0,0.3);
        z-index: 99;
    }

    .sidebar-overlay.active { display: block; }

    .header {
        padding: 0 var(--space-4);
    }

    .header-org-name {
        max-width: 200px;
    }

    .page-content {
        padding: var(--space-4);
    }

    /* Table → Card layout on mobile */
    .table thead { display: none; }

    .table, .table tbody, .table tr, .table td {
        display: block;
    }

    .table tr {
        background: var(--color-surface);
        border: 1px solid var(--color-border);
        border-radius: var(--radius-md);
        margin-bottom: var(--space-3);
        padding: var(--space-3);
    }

    .table td {
        padding: var(--space-2) var(--space-3);
        border: none;
        display: flex;
        justify-content: space-between;
    }

    .table td::before {
        content: attr(data-label);
        font-weight: var(--font-weight-semibold);
        color: var(--color-text-secondary);
        font-size: var(--font-size-xs);
        text-transform: uppercase;
    }

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

    /* Search bar stack */
    .search-bar {
        flex-direction: column;
    }

    .search-bar .form-group {
        min-width: 100%;
    }

    /* Modal fullscreen */
    .modal {
        max-width: 100%;
        max-height: 100vh;
        border-radius: 0;
        margin: 0;
    }

    .modal-overlay {
        padding: 0;
    }

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

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

@media (max-width: 640px) {
    .header-date,
    .header-divider:nth-of-type(2) {
        display: none;
    }

    .header {
        padding: 0 var(--space-3);
    }

    .header-org-name {
        font-size: var(--font-size-base);
        max-width: 140px;
    }

    .page-content {
        padding: var(--space-3);
        padding-bottom: calc(var(--mobile-nav-height) + var(--space-3));
    }

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

    .pagination {
        flex-direction: column;
        align-items: center;
    }

    .auth-card {
        border-radius: 0;
        min-height: 100vh;
        max-width: 100%;
    }
}

/* ---------- Mobile Bottom Nav ---------- */
.mobile-nav {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: var(--mobile-nav-height);
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
    z-index: 90;
    padding: 0 var(--space-2);
    padding-bottom: env(safe-area-inset-bottom);
}

@media (max-width: 1024px) {
    .mobile-nav {
        display: flex;
        align-items: center;
        justify-content: space-around;
    }

    .mobile-nav-item {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 2px;
        padding: var(--space-1) var(--space-2);
        font-size: 10px;
        color: var(--color-text-muted);
        text-decoration: none;
        border: none;
        background: none;
        cursor: pointer;
        min-width: 56px;
        transition: color var(--transition-fast);
    }

    .mobile-nav-item.active { color: var(--color-primary); }
    .mobile-nav-item svg { width: 22px; height: 22px; }
    .mobile-nav-item span { font-weight: var(--font-weight-medium); }
}

/* ================================================
   ANIMATIONS
   ================================================ */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(16px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideInRight {
    from { opacity: 0; transform: translateX(100%); }
    to { opacity: 1; transform: translateX(0); }
}

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

/* ---------- Utility ---------- */
.text-right { text-align: right; }
.text-center { text-align: center; }
.text-muted { color: var(--color-text-muted); }
.text-danger { color: var(--color-danger); }
.text-success { color: var(--color-success); }
.text-primary { color: var(--color-primary); }
.font-mono { font-family: var(--font-mono); }
.mt-0 { margin-top: 0; }
.mt-2 { margin-top: var(--space-2); }
.mt-4 { margin-top: var(--space-4); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.flex { display: flex; }
.flex-1 { flex: 1; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.w-full { width: 100%; }
.hidden { display: none !important; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }