/* ============================================================
   style.css — Worker Upload Logs viewer
   Light corporate theme
   ============================================================ */

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: #f5f6f8;
    color: #1a1a2e;
    font-size: 14px;
    line-height: 1.5;
    min-height: 100vh;
}

/* ---- Header ---- */
.header {
    background: #ffffff;
    border-bottom: 1px solid #e2e5ea;
    padding: 16px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.header-left {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.header h1 {
    font-size: 20px;
    font-weight: 600;
    color: #1a1a2e;
    white-space: nowrap;
}

.stats-badges {
    display: flex;
    gap: 8px;
    align-items: center;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
    line-height: 1;
}

.badge-error {
    background: #fef2f2;
    color: #dc2626;
    border: 1px solid #fecaca;
}

.badge-warn {
    background: #fffbeb;
    color: #d97706;
    border: 1px solid #fde68a;
}

.badge-info {
    background: #f3f4f6;
    color: #6b7280;
    border: 1px solid #e5e7eb;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.last-updated {
    font-size: 12px;
    color: #9ca3af;
    white-space: nowrap;
}

.auto-refresh-toggle {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: #6b7280;
    cursor: pointer;
    user-select: none;
}

.auto-refresh-toggle input[type="checkbox"] {
    accent-color: #3b82f6;
    width: 16px;
    height: 16px;
    cursor: pointer;
}

/* ---- Filter Bar ---- */
.filter-bar {
    background: #ffffff;
    border-bottom: 1px solid #e2e5ea;
    padding: 12px 24px;
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.filter-group {
    display: flex;
    align-items: center;
    gap: 6px;
}

.filter-group label {
    font-size: 12px;
    font-weight: 500;
    color: #6b7280;
    white-space: nowrap;
}

.level-toggles {
    display: flex;
    gap: 0;
}

.level-btn {
    padding: 5px 12px;
    border: 1px solid #d1d5db;
    background: #ffffff;
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s;
    color: #6b7280;
}

.level-btn:first-child {
    border-radius: 6px 0 0 6px;
}

.level-btn:last-child {
    border-radius: 0 6px 6px 0;
}

.level-btn + .level-btn {
    border-left: none;
}

.level-btn.active[data-level="error"] {
    background: #fef2f2;
    color: #dc2626;
    border-color: #fecaca;
}

.level-btn.active[data-level="warn"] {
    background: #fffbeb;
    color: #d97706;
    border-color: #fde68a;
}

.level-btn.active[data-level="info"] {
    background: #f0f9ff;
    color: #3b82f6;
    border-color: #bfdbfe;
}

.filter-select,
.filter-input {
    padding: 6px 10px;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    font-size: 13px;
    color: #374151;
    background: #fff;
    outline: none;
    transition: border-color 0.15s;
}

.filter-select:focus,
.filter-input:focus {
    border-color: #3b82f6;
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.1);
}

.filter-input {
    width: 140px;
}

.filter-input.wide {
    width: 200px;
}

.filter-group.request-id-group {
    display: none;
}

.filter-group.request-id-group.visible {
    display: flex;
}

.btn-clear-filters {
    padding: 6px 14px;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    background: #ffffff;
    font-size: 12px;
    color: #6b7280;
    cursor: pointer;
    transition: all 0.15s;
    white-space: nowrap;
}

.btn-clear-filters:hover {
    background: #f9fafb;
    border-color: #9ca3af;
    color: #374151;
}

/* Mobile filter toggle */
.filter-toggle-btn {
    display: none;
    padding: 6px 14px;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    background: #ffffff;
    font-size: 13px;
    color: #374151;
    cursor: pointer;
    align-items: center;
    gap: 6px;
}

.filter-toggle-btn .hamburger {
    font-size: 16px;
    line-height: 1;
}

/* ---- Main Content ---- */
.main-content {
    padding: 0;
}

.table-container {
    overflow-x: auto;
    background: #ffffff;
    border: 1px solid #e2e5ea;
    border-top: none;
}

/* ---- Log Table ---- */
.log-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

.log-table thead {
    position: sticky;
    top: 60px; /* Below the sticky .header */
    z-index: 10;
}

.log-table th {
    background: #f9fafb;
    border-bottom: 2px solid #e2e5ea;
    padding: 10px 12px;
    text-align: left;
    font-weight: 600;
    font-size: 12px;
    color: #6b7280;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    white-space: nowrap;
    cursor: pointer;
    user-select: none;
}

.log-table th:hover {
    color: #374151;
}

.log-table td {
    padding: 8px 12px;
    border-bottom: 1px solid #f3f4f6;
    vertical-align: top;
}

.log-table tbody tr {
    cursor: pointer;
    transition: background 0.1s;
}

.log-table tbody tr:hover {
    background: #f9fafb !important;
}

/* Level row colours */
.log-table tbody tr.level-error {
    background: #fef8f8;
}

.log-table tbody tr.level-warn {
    background: #fffdf5;
}

.log-table tbody tr.level-info {
    background: #ffffff;
}

/* Level cell badges */
.level-cell {
    font-weight: 600;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.level-cell.error { color: #dc2626; }
.level-cell.warn { color: #d97706; }
.level-cell.info { color: #6b7280; }

/* Clickable cells */
.clickable-cell {
    color: #3b82f6;
    cursor: pointer;
    text-decoration: none;
}

.clickable-cell:hover {
    text-decoration: underline;
}

.time-cell {
    font-family: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
    font-size: 12px;
    white-space: nowrap;
    color: #6b7280;
}

.msg-cell {
    max-width: 400px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.req-cell {
    font-family: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
    font-size: 11px;
    max-width: 100px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Expanded row */
.expanded-row td {
    padding: 0;
    background: #f9fafb;
    cursor: default;
}

.expanded-content {
    padding: 12px 16px;
    max-height: 400px;
    overflow: auto;
}

.expanded-content pre {
    font-family: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
    font-size: 12px;
    line-height: 1.6;
    background: #1e293b;
    color: #e2e8f0;
    padding: 16px;
    border-radius: 8px;
    overflow-x: auto;
    white-space: pre-wrap;
    word-break: break-word;
}

/* ---- Loading / Empty / Error states ---- */
.state-message {
    text-align: center;
    padding: 60px 24px;
    color: #9ca3af;
    font-size: 14px;
}

.state-message.error {
    color: #dc2626;
}

.loading-spinner {
    display: inline-block;
    width: 24px;
    height: 24px;
    border: 3px solid #e5e7eb;
    border-top-color: #3b82f6;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-bottom: 12px;
}

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

/* ---- Responsive ---- */
@media (max-width: 768px) {
    .header {
        padding: 12px 16px;
    }

    .filter-bar {
        padding: 12px 16px;
        flex-direction: column;
        align-items: stretch;
    }

    .filter-bar.collapsed .filter-group,
    .filter-bar.collapsed .btn-clear-filters {
        display: none !important;
    }

    .filter-bar.collapsed .filter-toggle-btn {
        display: flex;
    }

    .filter-toggle-btn {
        display: flex;
    }

    .filter-group {
        width: 100%;
    }

    .filter-input,
    .filter-select {
        flex: 1;
        width: auto;
    }

    .level-toggles {
        flex: 1;
    }

    .level-btn {
        flex: 1;
        text-align: center;
    }

    .msg-cell {
        max-width: 200px;
    }

    .header h1 {
        font-size: 16px;
    }
}

@media (max-width: 480px) {
    .stats-badges {
        display: none;
    }

    .header-right {
        width: 100%;
        justify-content: space-between;
    }
}

/* ---- Overlay Confirm (per CLAUDE.md — replaces browser confirm) ---- */
.overlay-confirm {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
}

.overlay-confirm-box {
    background: #ffffff;
    border-radius: 12px;
    padding: 28px 32px;
    max-width: 400px;
    width: 90%;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
    text-align: center;
}

.overlay-confirm-box p {
    font-size: 15px;
    color: #374151;
    margin-bottom: 20px;
}

.overlay-confirm-box .btn-group {
    display: flex;
    gap: 10px;
    justify-content: center;
}

.overlay-confirm-box button {
    padding: 8px 20px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    border: 1px solid #d1d5db;
    background: #fff;
    color: #374151;
    transition: all 0.15s;
}

.overlay-confirm-box button.primary {
    background: #3b82f6;
    color: #fff;
    border-color: #3b82f6;
}

.overlay-confirm-box button:hover {
    opacity: 0.85;
}

/* ============================================================
   Dark Mode
   ============================================================ */
[data-theme="dark"] {
    --bg-primary: #1a1a2e;
    --bg-secondary: #16213e;
    --bg-card: #0f3460;
    --text-primary: #e0e0e0;
    --text-secondary: #a0a0a0;
    --text-muted: #6c757d;
    --border-color: #2a2a4a;
    --shadow-color: rgba(0, 0, 0, 0.3);
    --badge-bg: #2a2a4a;
    --link-color: #64b5f6;
    --success-color: #66bb6a;
    --warning-color: #ffa726;
    --error-color: #ef5350;
    --info-color: #42a5f5;
}

/* Base */
[data-theme="dark"] body { background: var(--bg-primary); color: var(--text-primary); }

/* Header */
[data-theme="dark"] .header { background: var(--bg-secondary); border-color: var(--border-color); box-shadow: 0 1px 3px var(--shadow-color); }
[data-theme="dark"] .header h1 { color: var(--text-primary); }
[data-theme="dark"] .last-updated { color: var(--text-muted); }
[data-theme="dark"] .auto-refresh-toggle { color: var(--text-secondary); }
[data-theme="dark"] .header-left { color: var(--text-primary); }

/* Stats badges */
[data-theme="dark"] .badge { background: var(--badge-bg); color: var(--text-primary); }
[data-theme="dark"] .badge-error { background: #3b1a1a; color: var(--error-color); border-color: #5c2020; }
[data-theme="dark"] .badge-warn { background: #3b2e1a; color: var(--warning-color); border-color: #5c4a20; }
[data-theme="dark"] .badge-info { background: var(--badge-bg); color: var(--text-secondary); border-color: var(--border-color); }

/* Tab bar (inline styles in index.html) */
[data-theme="dark"] .tab-bar { background: var(--bg-secondary); border-color: var(--border-color); }
[data-theme="dark"] .tab-btn { color: var(--text-secondary); }
[data-theme="dark"] .tab-btn:hover { color: var(--text-primary); background: var(--bg-primary); }
[data-theme="dark"] .tab-btn.active { color: var(--link-color); border-bottom-color: var(--link-color); }

/* Filter bar */
[data-theme="dark"] .filter-bar { background: var(--bg-secondary); border-color: var(--border-color); }
[data-theme="dark"] .filter-group label { color: var(--text-secondary); }

/* Level toggle buttons */
[data-theme="dark"] .level-btn { background: var(--bg-primary); color: var(--text-secondary); border-color: var(--border-color); }
[data-theme="dark"] .level-btn.active[data-level="error"] { background: #3b1a1a; color: var(--error-color); border-color: #5c2020; }
[data-theme="dark"] .level-btn.active[data-level="warn"] { background: #3b2e1a; color: var(--warning-color); border-color: #5c4a20; }
[data-theme="dark"] .level-btn.active[data-level="info"] { background: #1a2a3b; color: var(--info-color); border-color: #204060; }

/* Filter inputs & selects */
[data-theme="dark"] .filter-select,
[data-theme="dark"] .filter-input { background: var(--bg-primary); color: var(--text-primary); border-color: var(--border-color); }
[data-theme="dark"] .filter-select:focus,
[data-theme="dark"] .filter-input:focus { border-color: var(--link-color); box-shadow: 0 0 0 2px rgba(100, 181, 246, 0.15); }
[data-theme="dark"] input,
[data-theme="dark"] select { background: var(--bg-primary); color: var(--text-primary); border-color: var(--border-color); }

/* Clear / toggle buttons */
[data-theme="dark"] .btn-clear-filters { background: var(--bg-primary); color: var(--text-secondary); border-color: var(--border-color); }
[data-theme="dark"] .btn-clear-filters:hover { background: var(--bg-secondary); border-color: var(--text-muted); color: var(--text-primary); }
[data-theme="dark"] .filter-toggle-btn { background: var(--bg-primary); color: var(--text-primary); border-color: var(--border-color); }

/* Main content / table container */
[data-theme="dark"] .main-content { background: var(--bg-primary); }
[data-theme="dark"] .table-container { background: var(--bg-secondary); border-color: var(--border-color); }

/* Log table */
[data-theme="dark"] .log-table { border-color: var(--border-color); }
[data-theme="dark"] .log-table th { background: var(--bg-primary); color: var(--text-secondary); border-color: var(--border-color); }
[data-theme="dark"] .log-table th:hover { color: var(--text-primary); }
[data-theme="dark"] .log-table td { color: var(--text-primary); border-color: var(--border-color); }
[data-theme="dark"] .log-table tbody tr:hover { background: var(--bg-primary) !important; }

/* Level row colours (dark) */
[data-theme="dark"] .log-table tbody tr.level-error { background: #2a1515; }
[data-theme="dark"] .log-table tbody tr.level-warn { background: #2a2515; }
[data-theme="dark"] .log-table tbody tr.level-info { background: var(--bg-secondary); }

/* Level cell badges */
[data-theme="dark"] .level-cell.error { color: var(--error-color); }
[data-theme="dark"] .level-cell.warn { color: var(--warning-color); }
[data-theme="dark"] .level-cell.info { color: var(--text-muted); }

/* Clickable cells */
[data-theme="dark"] .clickable-cell { color: var(--link-color); }
[data-theme="dark"] .time-cell { color: var(--text-muted); }
[data-theme="dark"] .msg-cell { color: var(--text-primary); }
[data-theme="dark"] .req-cell { color: var(--text-secondary); }

/* Expanded row */
[data-theme="dark"] .expanded-row td { background: var(--bg-primary); }
[data-theme="dark"] .expanded-content pre { background: #0d1117; color: #c9d1d9; }

/* State messages */
[data-theme="dark"] .state-message { color: var(--text-muted); }
[data-theme="dark"] .state-message.error { color: var(--error-color); }
[data-theme="dark"] .loading-spinner { border-color: var(--border-color); border-top-color: var(--link-color); }

/* Links */
[data-theme="dark"] a { color: var(--link-color); }

/* Status classes */
[data-theme="dark"] .status-ok { color: var(--success-color); }
[data-theme="dark"] .status-warning { color: var(--warning-color); }
[data-theme="dark"] .status-error,
[data-theme="dark"] .status-critical { color: var(--error-color); }

/* Overlay confirm */
[data-theme="dark"] .overlay-confirm { background: rgba(0, 0, 0, 0.6); }
[data-theme="dark"] .overlay-confirm-box { background: var(--bg-secondary); box-shadow: 0 20px 60px var(--shadow-color); }
[data-theme="dark"] .overlay-confirm-box p { color: var(--text-primary); }
[data-theme="dark"] .overlay-confirm-box button { background: var(--bg-primary); color: var(--text-primary); border-color: var(--border-color); }
[data-theme="dark"] .overlay-confirm-box button.primary { background: #2563eb; color: #fff; border-color: #2563eb; }

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