/* =============================================
   OCR 名片管理 — Zendesk Style Dashboard
   ============================================= */

:root {
    --color-electric-lime: #d1f470;
    --color-forest-canopy: #203524;
    --color-deep-grove: #2d4c33;
    --color-near-black-ink: #11110d;
    --color-warm-white: #f5f5f2;
    --color-pure-white: #ffffff;
    --color-midnight: #000000;
    --color-stone-divider: #90918c;
    --color-border: rgba(17, 17, 13, 0.11);
    --color-input-bg: rgba(17, 17, 13, 0.05);
    --color-danger: #c0392b;
    --color-success: #2d4c33;

    --font-vanilla-sans: 'Inter', ui-sans-serif, system-ui, -apple-system, sans-serif;
    --tracking: 0.054em;

    --text-caption: 14px;
    --text-body: 16px;
    --text-subheading: 18px;
    --text-heading-sm: 26px;
    --text-heading: 32px;

    --radius-inputs: 12px;
    --radius-buttons: 16px;
    --radius-cards: 0px;
    --radius-tags: 4px;
    --radius-icon: 100%;

    --sidebar-width: 248px;
    --bottom-nav-height: 64px;
    --page-max-width: 1200px;

    /* legacy aliases */
    --primary: var(--color-electric-lime);
    --text: var(--color-near-black-ink);
    --text-secondary: var(--color-stone-divider);
    --bg: var(--color-pure-white);
    --bg-secondary: var(--color-warm-white);
    --border: var(--color-border);
    --transition: 0.2s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

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

body {
    font-family: var(--font-vanilla-sans);
    font-size: var(--text-body);
    line-height: 1.56;
    letter-spacing: var(--tracking);
    color: var(--color-near-black-ink);
    background: var(--color-pure-white);
    min-height: 100vh;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }

/* ========== Dashboard Shell ========== */
.app-shell {
    display: flex;
    min-height: 100vh;
}

.app-main {
    flex: 1;
    margin-left: var(--sidebar-width);
    min-width: 0;
    display: flex;
    flex-direction: column;
}

.main-content {
    flex: 1;
    max-width: var(--page-max-width);
    width: 100%;
    margin: 0 auto;
    padding: 40px 40px 48px;
}

.mobile-topbar {
    display: none;
}

/* ========== Sidebar ========== */
.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    width: var(--sidebar-width);
    background: var(--color-warm-white);
    border-right: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    padding: 24px 16px;
    z-index: 200;
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 12px 24px;
    font-weight: 600;
    font-size: 15px;
    color: var(--color-near-black-ink);
}

.brand-mark {
    width: 32px;
    height: 32px;
    background: var(--color-electric-lime);
    border-radius: var(--radius-tags);
    flex-shrink: 0;
}

.sidebar-nav {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    border-radius: var(--radius-inputs);
    font-size: 15px;
    font-weight: 500;
    color: var(--color-near-black-ink);
    transition: background var(--transition);
}

.sidebar-link:hover {
    background: rgba(17, 17, 13, 0.05);
}

.sidebar-link.active {
    background: var(--color-electric-lime);
    font-weight: 600;
}

.sidebar-link-muted {
    color: var(--color-stone-divider);
    font-size: 14px;
}

.sidebar-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.sidebar-icon svg {
    width: 18px;
    height: 18px;
}

.sidebar-divider {
    height: 1px;
    background: var(--color-border);
    margin: 12px 8px;
}

.sidebar-footer {
    margin-top: auto;
    padding-top: 16px;
    border-top: 1px solid var(--color-border);
}

.sidebar-user {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px 12px;
}

.sidebar-avatar {
    width: 36px;
    height: 36px;
    background: var(--color-forest-canopy);
    color: var(--color-pure-white);
    border-radius: var(--radius-icon);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 14px;
    text-transform: uppercase;
}

.sidebar-username {
    display: block;
    font-size: 14px;
    font-weight: 600;
}

.sidebar-role {
    display: block;
    font-size: 12px;
    color: var(--color-stone-divider);
}

.sidebar-link-logout {
    font-size: 14px;
    color: var(--color-stone-divider);
}

/* ========== Bottom Nav (Mobile WebApp) ========== */
.bottom-nav {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: calc(var(--bottom-nav-height) + env(safe-area-inset-bottom, 0px));
    padding-bottom: env(safe-area-inset-bottom, 0px);
    background: var(--color-pure-white);
    border-top: 1px solid var(--color-border);
    z-index: 200;
    align-items: stretch;
    justify-content: space-around;
}

.bottom-nav-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    font-size: 11px;
    font-weight: 500;
    color: var(--color-stone-divider);
    padding: 8px 4px;
    transition: color var(--transition);
    -webkit-tap-highlight-color: transparent;
}

.bottom-nav-item.active {
    color: var(--color-near-black-ink);
    font-weight: 600;
}

.bottom-nav-item.active .bottom-nav-icon {
    background: var(--color-electric-lime);
}

.bottom-nav-icon {
    width: 40px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-buttons);
    transition: background var(--transition);
}

.bottom-nav-icon svg {
    width: 20px;
    height: 20px;
}

.bottom-nav-item-primary .bottom-nav-icon {
    background: var(--color-electric-lime);
}

.bottom-nav-item-primary.active .bottom-nav-icon {
    background: var(--color-electric-lime);
}

/* ========== Page Header ========== */
.page-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 32px;
    gap: 16px;
}

.page-header h1 {
    font-size: var(--text-heading);
    font-weight: 300;
    line-height: 1.25;
    letter-spacing: var(--tracking);
}

.page-subtitle {
    font-size: var(--text-caption);
    color: var(--color-stone-divider);
    margin-top: 6px;
    font-weight: 400;
}

.back-link {
    display: inline-block;
    font-size: var(--text-caption);
    color: var(--color-stone-divider);
    margin-bottom: 8px;
    border-bottom: 1px solid var(--color-border);
    padding-bottom: 2px;
}

.back-link:hover {
    color: var(--color-near-black-ink);
}

/* ========== Buttons ========== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    border: 1px solid transparent;
    border-radius: var(--radius-buttons);
    font-family: var(--font-vanilla-sans);
    font-size: var(--text-body);
    font-weight: 600;
    letter-spacing: var(--tracking);
    cursor: pointer;
    transition: opacity var(--transition);
    line-height: 1.4;
    white-space: nowrap;
}

.btn:hover { opacity: 0.88; }

.btn-primary {
    background: var(--color-electric-lime);
    color: var(--color-near-black-ink);
    border-color: var(--color-electric-lime);
}

.btn-outline {
    background: transparent;
    color: var(--color-near-black-ink);
    border-color: var(--color-near-black-ink);
}

.btn-danger {
    background: transparent;
    color: var(--color-danger);
    border-color: var(--color-danger);
}

.btn-sm {
    padding: 8px 16px;
    font-size: var(--text-caption);
}

.btn-block { width: 100%; }

.btn:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

/* ========== Forms ========== */
.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 16px;
}

.form-group label {
    font-size: var(--text-caption);
    font-weight: 600;
    letter-spacing: var(--tracking);
}

.form-group input,
.form-group textarea,
.form-group select,
.search-input,
.filter-select {
    padding: 12px;
    background: var(--color-input-bg);
    border: 1px solid var(--color-near-black-ink);
    border-radius: var(--radius-inputs);
    font-family: var(--font-vanilla-sans);
    font-size: var(--text-body);
    letter-spacing: var(--tracking);
    color: var(--color-near-black-ink);
    outline: none;
    transition: background var(--transition);
    width: 100%;
}

.form-group input:focus,
.form-group textarea:focus,
.search-input:focus,
.filter-select:focus {
    background: var(--color-pure-white);
}

.form-group textarea { resize: vertical; min-height: 88px; }

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.form-section {
    background: var(--color-warm-white);
    padding: 32px 24px;
    margin-bottom: 24px;
}

.form-section h2 {
    font-size: var(--text-subheading);
    font-weight: 600;
    margin-bottom: 16px;
}

.form-actions, .step-actions {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--color-border);
}

.form-meta {
    display: flex;
    gap: 24px;
    font-size: var(--text-caption);
    color: var(--color-stone-divider);
    margin: 16px 0;
}

.required { color: var(--color-danger); }
.optional { font-size: 12px; font-weight: 400; color: var(--color-stone-divider); }

/* ========== Alerts ========== */
.alert {
    padding: 12px 16px;
    border-radius: var(--radius-inputs);
    font-size: var(--text-caption);
    margin-bottom: 20px;
}

.alert-error {
    background: rgba(192, 57, 43, 0.08);
    color: var(--color-danger);
    border: 1px solid rgba(192, 57, 43, 0.2);
}

.alert-success {
    background: rgba(45, 76, 51, 0.08);
    color: var(--color-success);
    border: 1px solid rgba(45, 76, 51, 0.2);
}

/* ========== Search ========== */
.search-bar { margin-bottom: 32px; }

.search-form { position: relative; max-width: 480px; }

.search-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-stone-divider);
    pointer-events: none;
}

.search-form .search-input { padding-left: 44px; }

.search-clear {
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 13px;
    color: var(--color-stone-divider);
    border-bottom: 1px solid var(--color-border);
}

/* ========== Card Grid ========== */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 16px;
}

.card-grid-compact {
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
}

.card-item {
    display: block;
    background: var(--color-warm-white);
    border-radius: var(--radius-cards);
    overflow: hidden;
    color: var(--color-near-black-ink);
    transition: background var(--transition);
}

.card-item:hover {
    background: #ecece8;
}

.card-item-image {
    aspect-ratio: 16/10;
    overflow: hidden;
    background: var(--color-pure-white);
}

.card-item-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.card-item-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.card-item-info { padding: 16px 20px 20px; }

.card-item-info h3 {
    font-size: var(--text-body);
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.card-item-position,
.card-item-company {
    font-size: var(--text-caption);
    color: var(--color-stone-divider);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.card-item-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 12px;
}

.card-item-date {
    font-size: 12px;
    color: var(--color-stone-divider);
}

/* ========== Badge ========== */
.badge {
    display: inline-block;
    padding: 3px 8px;
    background: var(--color-electric-lime);
    color: var(--color-near-black-ink);
    border-radius: var(--radius-tags);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: var(--tracking);
}

.badge-admin { background: var(--color-forest-canopy); color: #fff; }
.badge-user { background: rgba(17,17,13,0.08); color: var(--color-stone-divider); }

/* ========== Empty State ========== */
.empty-state {
    text-align: center;
    padding: 64px 24px;
    background: var(--color-warm-white);
}

.empty-state h2 {
    font-size: var(--text-heading-sm);
    font-weight: 300;
    margin: 16px 0 8px;
}

.empty-state p {
    color: var(--color-stone-divider);
    margin-bottom: 24px;
    font-size: var(--text-body);
}

/* ========== Pagination ========== */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-top: 40px;
}

.pagination-info {
    font-size: var(--text-caption);
    color: var(--color-stone-divider);
}

/* ========== Upload Steps ========== */
.upload-steps {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    margin-bottom: 40px;
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
}

.step-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: var(--text-caption);
    font-weight: 500;
    color: var(--color-stone-divider);
    white-space: nowrap;
}

.step-item span {
    width: 28px;
    height: 28px;
    border-radius: var(--radius-icon);
    background: var(--color-warm-white);
    border: 1px solid var(--color-border);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 600;
}

.step-item.active { color: var(--color-near-black-ink); }
.step-item.active span { background: var(--color-electric-lime); border-color: var(--color-electric-lime); }
.step-item.done { color: var(--color-deep-grove); }
.step-item.done span { background: var(--color-deep-grove); border-color: var(--color-deep-grove); color: #fff; }

.step-line {
    flex: 1;
    height: 1px;
    background: var(--color-border);
    margin: 0 12px;
    min-width: 20px;
}

.upload-panel {
    background: var(--color-warm-white);
    padding: 32px 24px;
    margin-bottom: 24px;
}

.upload-page {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.form-section-title {
    font-size: var(--text-subheading);
    font-weight: 600;
    margin-bottom: 4px;
}

.upload-block-desc {
    font-size: 13px;
    color: var(--color-stone-divider);
    margin-bottom: 12px;
}

.upload-panel h2 {
    font-size: var(--text-subheading);
    font-weight: 600;
    margin-bottom: 8px;
}

.section-desc {
    font-size: var(--text-caption);
    color: var(--color-stone-divider);
    margin-bottom: 20px;
}

.upload-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 12px;
}

.upload-block h3 {
    font-size: var(--text-caption);
    font-weight: 600;
    margin-bottom: 10px;
}

.upload-zone {
    border: 1px dashed var(--color-stone-divider);
    border-radius: var(--radius-inputs);
    padding: 32px 20px;
    text-align: center;
    cursor: pointer;
    background: var(--color-pure-white);
    transition: border-color var(--transition), background var(--transition);
}

.upload-zone:hover,
.upload-zone.dragover {
    border-color: var(--color-near-black-ink);
    background: var(--color-input-bg);
}

.upload-zone-content p {
    margin-top: 10px;
    font-size: var(--text-caption);
    font-weight: 500;
}

.upload-preview-img {
    max-height: 180px;
    margin: 0 auto;
    border-radius: var(--radius-inputs);
}

.upload-status {
    margin-top: 8px;
    font-size: 13px;
    min-height: 20px;
}

.upload-status.uploading { color: var(--color-stone-divider); }
.upload-status.success { color: var(--color-deep-grove); }
.upload-status.error { color: var(--color-danger); }

.ocr-preview { text-align: center; margin: 20px 0; }

.ocr-preview-img {
    max-height: 240px;
    margin: 0 auto;
    border-radius: var(--radius-inputs);
}

/* ========== Card Detail ========== */
.card-detail-images {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.card-image-box {
    background: var(--color-warm-white);
    padding: 20px;
}

.card-image-box h3 {
    font-size: var(--text-caption);
    font-weight: 600;
    color: var(--color-stone-divider);
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: var(--tracking);
}

.card-image {
    width: 100%;
    border-radius: var(--radius-inputs);
}

.card-detail-form,
.delete-form {
    background: var(--color-warm-white);
    padding: 32px 24px;
    margin-bottom: 16px;
}

.delete-form { margin-top: 0; }

.detail-info-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    background: var(--color-warm-white);
    padding: 32px 24px;
    margin-bottom: 16px;
}

.detail-info-item label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--color-stone-divider);
    text-transform: uppercase;
    letter-spacing: var(--tracking);
    margin-bottom: 4px;
}

.detail-info-full { grid-column: 1 / -1; }

/* ========== Admin Stats & Table ========== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
    margin-bottom: 40px;
}

.stat-card {
    background: var(--color-warm-white);
    padding: 28px 24px;
    text-align: center;
}

.stat-value {
    font-size: var(--text-heading);
    font-weight: 300;
    color: var(--color-near-black-ink);
    line-height: 1.1;
}

.stat-label {
    font-size: var(--text-caption);
    color: var(--color-stone-divider);
    margin-top: 6px;
}

.admin-section {
    margin-bottom: 40px;
}

.admin-section h2 {
    font-size: var(--text-subheading);
    font-weight: 600;
    margin-bottom: 16px;
}

.filter-bar { margin-bottom: 24px; }

.filter-form {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
}

.filter-select { width: auto; min-width: 160px; }

.table-responsive {
    overflow-x: auto;
    border: 1px solid var(--color-border);
}

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

.data-table th {
    background: var(--color-warm-white);
    padding: 12px 16px;
    text-align: left;
    font-weight: 600;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: var(--tracking);
    color: var(--color-stone-divider);
    border-bottom: 1px solid var(--color-border);
    white-space: nowrap;
}

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

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

.data-table tr:hover td { background: var(--color-warm-white); }

.table-thumb {
    width: 56px;
    height: 36px;
    object-fit: cover;
    border-radius: var(--radius-tags);
}

/* ========== Loading ========== */
.loading-overlay {
    position: fixed;
    inset: 0;
    background: rgba(245, 245, 242, 0.92);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.loading-spinner { text-align: center; }

.spinner {
    width: 40px;
    height: 40px;
    border: 2px solid var(--color-border);
    border-top-color: var(--color-near-black-ink);
    border-radius: var(--radius-icon);
    animation: spin 0.8s linear infinite;
    margin: 0 auto 16px;
}

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

.loading-spinner p {
    font-size: var(--text-caption);
    color: var(--color-stone-divider);
    font-weight: 500;
}

/* ========== Auth Pages ========== */
body.page-auth {
    background: var(--color-pure-white);
}

.auth-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 24px;
}

.auth-card {
    width: 100%;
    max-width: 400px;
}

.auth-logo {
    text-align: center;
    margin-bottom: 36px;
}

.auth-logo .brand-mark {
    width: 48px;
    height: 48px;
    margin: 0 auto 16px;
    display: block;
}

.auth-logo h1 {
    font-size: var(--text-heading-sm);
    font-weight: 300;
    line-height: 1.3;
}

.auth-subtitle {
    font-size: var(--text-caption);
    color: var(--color-stone-divider);
    margin-top: 6px;
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.auth-footer {
    text-align: center;
    margin-top: 24px;
    font-size: var(--text-caption);
    color: var(--color-stone-divider);
}

.auth-footer a {
    border-bottom: 1px solid var(--color-border);
    padding-bottom: 1px;
}

/* ========== Responsive ========== */
@media (max-width: 768px) {
    .sidebar { display: none; }

    .app-main {
        margin-left: 0;
        padding-bottom: calc(var(--bottom-nav-height) + env(safe-area-inset-bottom, 0px));
    }

    .mobile-topbar {
        display: flex;
        align-items: center;
        height: 52px;
        padding: 0 20px;
        background: var(--color-pure-white);
        border-bottom: 1px solid var(--color-border);
        position: sticky;
        top: 0;
        z-index: 100;
    }

    .mobile-topbar-title {
        font-size: var(--text-body);
        font-weight: 600;
    }

    .bottom-nav { display: flex; }

    .main-content {
        padding: 24px 16px 32px;
    }

    .page-header {
        flex-direction: column;
    }

    .page-header h1 {
        font-size: var(--text-heading-sm);
        font-weight: 300;
    }

    .form-grid,
    .detail-info-grid,
    .upload-grid {
        grid-template-columns: 1fr;
    }

    .form-actions,
    .step-actions {
        flex-direction: column;
    }

    .form-actions .btn,
    .step-actions .btn {
        width: 100%;
    }

    .upload-steps {
        font-size: 12px;
    }

    .step-line { margin: 0 6px; }

    .filter-form {
        flex-direction: column;
        align-items: stretch;
    }

    .filter-select { width: 100%; }
}

@media (max-width: 480px) {
    .card-grid {
        grid-template-columns: 1fr;
    }

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