/* ═══════════════════════════════════════════════
   Slip OCR — Premium Dark Theme
   ═══════════════════════════════════════════════ */

:root {
    /* Color Palette */
    --bg-primary: #0f0f1a;
    --bg-secondary: #1a1a2e;
    --bg-card: #16213e;
    --bg-card-hover: #1a2745;
    --bg-input: #0d1b2a;
    --bg-glass: rgba(22, 33, 62, 0.7);

    --text-primary: #e0e0f0;
    --text-secondary: #8b8bae;
    --text-muted: #5a5a7a;

    --accent-primary: #6366f1;
    --accent-secondary: #a855f7;
    --accent-gradient: linear-gradient(135deg, #6366f1, #a855f7);
    --accent-glow: rgba(99, 102, 241, 0.3);

    --success: #22c55e;
    --success-bg: rgba(34, 197, 94, 0.1);
    --error: #ef4444;
    --error-bg: rgba(239, 68, 68, 0.1);
    --warning: #f59e0b;

    --border: rgba(99, 102, 241, 0.15);
    --border-hover: rgba(99, 102, 241, 0.3);

    --radius: 12px;
    --radius-lg: 16px;
    --radius-sm: 8px;

    --shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 30px var(--accent-glow);

    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'IBM Plex Sans Thai', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* ═══ Navbar ═══ */
.navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    padding: 0 1.5rem;
    height: 64px;
}

.nav-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    color: var(--text-primary);
    font-size: 1.4rem;
    font-weight: 700;
}

.logo-icon { font-size: 1.6rem; }
.accent { background: var(--accent-gradient); -webkit-background-clip: text; background-clip: text; color: transparent; }

.nav-links { display: flex; gap: 0.5rem; align-items: center; }

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    transition: var(--transition);
}

.nav-link:hover { color: var(--text-primary); background: rgba(255,255,255,0.05); }
.nav-link.active { color: var(--accent-primary); background: rgba(99, 102, 241, 0.1); }
.nav-icon { font-size: 1.1rem; }

.nav-user {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.88rem;
    margin-left: 0.25rem;
}

.role-pill {
    display: inline-flex;
    align-items: center;
    padding: 0.15rem 0.55rem;
    border-radius: 999px;
    border: 1px solid var(--border-hover);
    color: var(--text-primary);
    background: rgba(99, 102, 241, 0.15);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.04em;
}

/* ═══ Container ═══ */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 84px 1.5rem 2rem;
}

/* ═══ Page Header ═══ */
.page-header {
    margin-bottom: 2rem;
    animation: fadeInUp 0.5s ease;
}

.page-header h1 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 1rem;
}

/* ═══ Alerts ═══ */
.alert {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.9rem 1.2rem;
    border-radius: var(--radius-sm);
    margin-bottom: 1rem;
    font-weight: 500;
    animation: fadeInDown 0.3s ease;
}

.alert-success { background: var(--success-bg); color: var(--success); border: 1px solid rgba(34,197,94,0.2); }
.alert-error { background: var(--error-bg); color: var(--error); border: 1px solid rgba(239,68,68,0.2); }
.alert-close { background: none; border: none; color: inherit; cursor: pointer; opacity: 0.7; font-size: 1.1rem; }
.alert-close:hover { opacity: 1; }

/* ═══ Upload Zone ═══ */
.upload-zone {
    background: var(--bg-card);
    border: 2px dashed var(--border);
    border-radius: var(--radius-lg);
    padding: 3rem 2rem;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    animation: fadeInUp 0.5s ease 0.1s backwards;
    margin-bottom: 2rem;
}

.upload-zone:hover, .upload-zone.dragover {
    border-color: var(--accent-primary);
    background: var(--bg-card-hover);
    box-shadow: var(--shadow-glow);
}

.upload-icon {
    margin-bottom: 1rem;
    animation: float 3s ease-in-out infinite;
}

.upload-content h3 { font-size: 1.3rem; margin-bottom: 0.25rem; }
.upload-content p { color: var(--text-secondary); }
.upload-hint { font-size: 0.85rem; color: var(--text-muted); margin-top: 0.5rem; }

.upload-preview {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.upload-preview img {
    max-height: 300px;
    max-width: 100%;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    object-fit: contain;
}

.preview-info {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--text-secondary);
}

.btn-remove {
    background: var(--error-bg);
    border: 1px solid rgba(239,68,68,0.2);
    color: var(--error);
    padding: 0.3rem 0.8rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.85rem;
    transition: var(--transition);
}

.btn-remove:hover { background: var(--error); color: white; }

/* ═══ Buttons ═══ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.6rem 1.2rem;
    border-radius: var(--radius-sm);
    border: none;
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

.btn-primary {
    background: var(--accent-gradient);
    color: white;
    box-shadow: 0 4px 15px var(--accent-glow);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 6px 20px var(--accent-glow); }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

.btn-lg { padding: 0.8rem 2rem; font-size: 1.05rem; border-radius: var(--radius); margin-top: 1.5rem; }

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border);
}
.btn-ghost:hover { background: rgba(255,255,255,0.05); color: var(--text-primary); }

.btn-outline {
    background: transparent;
    color: var(--accent-primary);
    border: 1px solid var(--accent-primary);
}
.btn-outline:hover { background: rgba(99,102,241,0.1); }

.btn-danger {
    background: var(--error);
    color: white;
}
.btn-danger:hover { background: #dc2626; }

.btn-sm { padding: 0.3rem 0.7rem; font-size: 0.85rem; }

/* ═══ Spinner ═══ */
.spinner {
    display: inline-block;
    width: 18px; height: 18px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

.btn-loading { display: inline-flex; align-items: center; gap: 0.5rem; }

/* ═══ Feature Cards ═══ */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.2rem;
    animation: fadeInUp 0.5s ease 0.2s backwards;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
    text-align: center;
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-4px);
    border-color: var(--border-hover);
    box-shadow: var(--shadow);
}

.feature-icon { font-size: 2.2rem; margin-bottom: 0.5rem; }
.feature-card h3 { font-size: 1.05rem; margin-bottom: 0.3rem; }
.feature-card p { font-size: 0.9rem; color: var(--text-secondary); }

/* ═══ Cards ═══ */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    margin-bottom: 1.5rem;
    animation: fadeInUp 0.4s ease backwards;
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.2rem;
    border-bottom: 1px solid var(--border);
    background: rgba(0, 0, 0, 0.15);
}

.card-header h3 { font-size: 1rem; font-weight: 600; }

.card-body { padding: 1.2rem; }
.card-body.collapsed { display: none; }

.card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.2rem;
    border-top: 1px solid var(--border);
    background: rgba(0, 0, 0, 0.1);
}

/* ═══ Forms ═══ */
.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-group { display: flex; flex-direction: column; gap: 0.3rem; }
.form-group.full-width { grid-column: 1 / -1; }

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

.form-control {
    padding: 0.6rem 0.8rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    background: var(--bg-input);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.95rem;
    transition: var(--transition);
    outline: none;
}

.form-control:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-control-lg { font-size: 1.2rem; font-weight: 700; padding: 0.8rem; }

textarea.form-control { resize: vertical; min-height: 60px; }

/* ═══ Confirm Layout ═══ */
.confirm-layout {
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    gap: 1.5rem;
    align-items: start;
}

.slip-image {
    width: 100%;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
}

.raw-text {
    font-size: 0.8rem;
    color: var(--text-secondary);
    background: var(--bg-primary);
    padding: 0.8rem;
    border-radius: var(--radius-sm);
    white-space: pre-wrap;
    word-break: break-all;
    max-height: 300px;
    overflow-y: auto;
    font-family: 'Courier New', monospace;
}

/* ═══ Summary Cards ═══ */
.summary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.summary-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.2rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: var(--transition);
    animation: fadeInUp 0.4s ease backwards;
}

.summary-card:nth-child(1) { animation-delay: 0.05s; }
.summary-card:nth-child(2) { animation-delay: 0.1s; }
.summary-card:nth-child(3) { animation-delay: 0.15s; }
.summary-card:nth-child(4) { animation-delay: 0.2s; }

.summary-card:hover { transform: translateY(-2px); box-shadow: var(--shadow); }

.summary-card.accent {
    background: var(--accent-gradient);
    border-color: transparent;
}

.summary-card.accent .summary-label { color: rgba(255,255,255,0.7); }
.summary-card.accent .summary-value { color: white; }

.summary-icon { font-size: 2rem; }
.summary-info { display: flex; flex-direction: column; }
.summary-label { font-size: 0.8rem; color: var(--text-secondary); font-weight: 500; }
.summary-value { font-size: 1.3rem; font-weight: 700; }

/* ═══ Filter ═══ */
.filter-card { animation-delay: 0.1s; }

.filter-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 0.8rem;
    margin-bottom: 1rem;
}

.filter-actions {
    display: flex;
    gap: 0.8rem;
    flex-wrap: wrap;
}

/* ═══ Data Table ═══ */
.table-responsive { overflow-x: auto; padding: 0; }

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.data-table th {
    padding: 0.8rem 0.7rem;
    text-align: left;
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.85rem;
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
    background: rgba(0,0,0,0.1);
}

.data-table td {
    padding: 0.7rem;
    border-bottom: 1px solid rgba(255,255,255,0.03);
    transition: var(--transition);
}

.data-table tbody tr:hover td { background: rgba(99,102,241,0.05); }

.col-id { width: 40px; text-align: center; color: var(--text-muted); }
.col-date { white-space: nowrap; }
.col-type { white-space: nowrap; }
.col-time { white-space: nowrap; color: var(--text-secondary); }
.col-amount { font-weight: 700; color: var(--success); white-space: nowrap; font-variant-numeric: tabular-nums; }
.col-sender, .col-receiver { max-width: 150px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.col-actions { text-align: center; width: 120px; }
.col-actions .btn { margin: 0 0.1rem; }

.bank-tag {
    display: inline-block;
    padding: 0.15rem 0.5rem;
    border-radius: 4px;
    font-size: 0.8rem;
    background: rgba(99,102,241,0.1);
    color: var(--accent-primary);
    white-space: nowrap;
}

.arrow { color: var(--text-muted); margin: 0 0.2rem; font-size: 0.8rem; }

.table-empty {
    text-align: center;
    padding: 3rem !important;
    color: var(--text-muted);
    font-size: 1rem;
}

.badge {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    background: rgba(99,102,241,0.15);
    color: var(--accent-primary);
}

.badge-slip {
    background: rgba(59, 130, 246, 0.15);
    color: #93c5fd;
}

.badge-receipt {
    background: rgba(34, 197, 94, 0.15);
    color: #86efac;
}

.batch-upload-card {
    margin-bottom: 2rem;
}

.admin-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1rem;
}

.admin-form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 0.8rem;
}

.admin-meta-row {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.status-pill {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 72px;
    padding: 0.2rem 0.5rem;
    border-radius: 999px;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    border: 1px solid transparent;
}

.status-ok {
    color: #86efac;
    background: rgba(34, 197, 94, 0.12);
    border-color: rgba(34, 197, 94, 0.24);
}

.status-fail {
    color: #fca5a5;
    background: rgba(239, 68, 68, 0.12);
    border-color: rgba(239, 68, 68, 0.24);
}

.queue-status {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 88px;
    padding: 0.2rem 0.55rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    border: 1px solid transparent;
    text-transform: uppercase;
}

.queue-queued {
    background: rgba(59, 130, 246, 0.12);
    color: #93c5fd;
    border-color: rgba(59, 130, 246, 0.25);
}

.queue-processing {
    background: rgba(251, 191, 36, 0.12);
    color: #fcd34d;
    border-color: rgba(251, 191, 36, 0.25);
}

.queue-completed {
    background: rgba(34, 197, 94, 0.12);
    color: #86efac;
    border-color: rgba(34, 197, 94, 0.25);
}

.queue-duplicate {
    background: rgba(249, 115, 22, 0.14);
    color: #fdba74;
    border-color: rgba(249, 115, 22, 0.25);
}

.queue-failed {
    background: rgba(239, 68, 68, 0.14);
    color: #fca5a5;
    border-color: rgba(239, 68, 68, 0.25);
}

.error-inline {
    display: inline-block;
    max-width: 300px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    color: #fca5a5;
    font-size: 0.85rem;
}

/* ═══ Detail Page ═══ */
.detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.detail-item {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    padding: 0.8rem;
    border-radius: var(--radius-sm);
    background: rgba(0,0,0,0.15);
}

.detail-item.full-width { grid-column: 1 / -1; }
.detail-item.highlight { background: rgba(99,102,241,0.1); border: 1px solid var(--border-hover); }

.detail-label { font-size: 0.8rem; color: var(--text-secondary); font-weight: 600; }
.detail-value { font-size: 1rem; font-weight: 500; }
.amount-big { font-size: 1.5rem; font-weight: 700; color: var(--success); }

.raw-details {
    margin-top: 1rem;
}

.raw-details summary {
    cursor: pointer;
    color: var(--text-secondary);
    font-weight: 500;
    padding: 0.5rem 0;
}

.history-item {
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: rgba(0, 0, 0, 0.12);
    padding: 0.85rem 1rem;
    margin-bottom: 0.75rem;
}

.history-item:last-child { margin-bottom: 0; }

.history-meta {
    display: flex;
    justify-content: space-between;
    gap: 0.75rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.history-note {
    margin-bottom: 0.6rem;
    color: var(--text-primary);
    font-size: 0.92rem;
}

.history-list {
    list-style: none;
    display: grid;
    gap: 0.35rem;
}

.history-list li {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    flex-wrap: wrap;
    font-size: 0.9rem;
}

.history-label { color: var(--text-secondary); font-weight: 600; }
.history-before { color: #fca5a5; }
.history-after { color: #86efac; }
.history-arrow { color: var(--text-muted); }

/* ═══ Footer ═══ */
.footer {
    text-align: center;
    padding: 2rem;
    color: var(--text-muted);
    font-size: 0.85rem;
    border-top: 1px solid var(--border);
    margin-top: 3rem;
}

/* ═══ Animations ═══ */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

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

/* ═══ Responsive ═══ */
@media (max-width: 768px) {
    .container { padding: 74px 1rem 1.5rem; }
    .page-header h1 { font-size: 1.5rem; }

    .confirm-layout { grid-template-columns: 1fr; }
    .form-grid { grid-template-columns: 1fr; }
    .detail-grid { grid-template-columns: 1fr; }
    .filter-grid { grid-template-columns: 1fr 1fr; }

    .upload-zone { padding: 2rem 1rem; }

    .data-table { font-size: 0.8rem; }
    .col-sender, .col-receiver { max-width: 100px; }

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

    .nav-link span:not(.nav-icon) { display: none; }
    .nav-user { display: none; }
    .history-meta { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
    .nav-logo .logo-text { display: none; }
    .summary-grid { grid-template-columns: 1fr; }
    .filter-grid { grid-template-columns: 1fr; }
}

/* ═══ Scrollbar ═══ */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent-primary); }