/* ==========================================================================
   ONLINE QUALITY CONTROL (QC) MONITOR - STYLESHEET
   ========================================================================== */

:root {
    --bg-main: #0b0f19;
    --bg-card: #111827;
    --bg-card-hover: #1e293b;
    --bg-header: #0f172a;
    --border-color: #1f293d;
    --border-light: #334155;
    
    --primary: #3b82f6;
    --primary-hover: #2563eb;
    --primary-light: rgba(59, 130, 246, 0.15);

    --success: #10b981;
    --success-bg: rgba(16, 185, 129, 0.12);
    --success-border: #059669;

    --warning: #f59e0b;
    --warning-bg: rgba(245, 158, 11, 0.12);
    --warning-border: #d97706;

    --danger: #ef4444;
    --danger-bg: rgba(239, 68, 68, 0.12);
    --danger-border: #dc2626;

    --purple: #8b5cf6;
    --purple-bg: rgba(139, 92, 246, 0.15);

    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --text-dim: #64748b;
    
    --font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', 'Consolas', monospace;
    --radius: 12px;
    --radius-sm: 8px;
    --shadow: 0 4px 20px -2px rgba(0, 0, 0, 0.5);
}

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

body {
    font-family: var(--font-family);
    background-color: var(--bg-main);
    color: var(--text-main);
    min-height: 100vh;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
}

#qc-app-container {
    max-width: 1350px;
    width: 100%;
    margin: 0 auto;
    padding: 20px 24px 60px 24px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* --------------------------------------------------------------------------
   HEADER
   -------------------------------------------------------------------------- */
.qc-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: linear-gradient(135deg, #111827 0%, #0f172a 100%);
    border: 1px solid var(--border-color);
    padding: 16px 24px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.header-left {
    display: flex;
    align-items: center;
    gap: 14px;
}

.qc-logo {
    font-size: 28px;
    background: rgba(59, 130, 246, 0.12);
    padding: 8px;
    border-radius: 10px;
    border: 1px solid rgba(59, 130, 246, 0.3);
}

.qc-title {
    font-size: 19px;
    font-weight: 800;
    letter-spacing: -0.3px;
    background: linear-gradient(135deg, #ffffff 0%, #cbd5e1 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.qc-subtitle {
    font-size: 12.5px;
    color: var(--text-muted);
    font-weight: 500;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 14px;
}

.live-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid var(--success-border);
    color: var(--success);
    border-radius: 20px;
    font-size: 11.5px;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.live-badge.disconnected {
    background: rgba(239, 68, 68, 0.1);
    border-color: var(--danger-border);
    color: var(--danger);
}

.pulse-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--success);
    box-shadow: 0 0 10px var(--success);
    animation: pulse 2s infinite ease-in-out;
}

.live-badge.disconnected .pulse-dot {
    background-color: var(--danger);
    box-shadow: 0 0 10px var(--danger);
    animation: none;
}

@keyframes pulse {
    0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
    70% { transform: scale(1); box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); }
    100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.btn-nav-home {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    color: var(--text-main);
    text-decoration: none;
    padding: 7px 16px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 600;
    transition: all 0.2s ease;
}

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

/* --------------------------------------------------------------------------
   METRICS GRID
   -------------------------------------------------------------------------- */
.metrics-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1fr;
    gap: 16px;
}

.metric-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 18px 20px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    box-shadow: var(--shadow);
    transition: transform 0.2s ease, border-color 0.2s ease;
}

.metric-card:hover {
    transform: translateY(-2px);
    border-color: var(--border-light);
}

.metric-card.card-score {
    background: linear-gradient(135deg, rgba(17, 24, 39, 0.9) 0%, rgba(15, 23, 42, 0.95) 100%);
    border: 1px solid rgba(59, 130, 246, 0.3);
}

.metric-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.metric-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-muted);
}

.metric-icon {
    font-size: 18px;
}

.score-display {
    margin: 4px 0 10px 0;
}

.score-number {
    font-size: 36px;
    font-weight: 800;
    color: #ffffff;
    font-family: var(--font-mono);
    letter-spacing: -1px;
}

.score-bar-bg {
    width: 100%;
    height: 6px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 8px;
}

.score-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, #10b981, #3b82f6);
    border-radius: 4px;
    transition: width 0.5s ease;
}

.metric-val-row {
    display: flex;
    align-items: baseline;
    gap: 6px;
    margin: 6px 0;
}

.metric-value {
    font-size: 32px;
    font-weight: 800;
    font-family: var(--font-mono);
    color: #ffffff;
}

.metric-sep {
    font-size: 24px;
    color: var(--text-dim);
}

.metric-subtext {
    font-size: 11.5px;
    color: var(--text-dim);
}

.metric-footer {
    font-size: 11px;
    color: var(--text-dim);
}

/* Status Pills */
.status-pill {
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.3px;
}

.pill-excellent, .pill-pass {
    background: var(--success-bg);
    color: var(--success);
    border: 1px solid var(--success-border);
}

.pill-good, .pill-warn {
    background: var(--warning-bg);
    color: var(--warning);
    border: 1px solid var(--warning-border);
}

.pill-action, .pill-fail {
    background: var(--danger-bg);
    color: var(--danger);
    border: 1px solid var(--danger-border);
}

.text-success { color: var(--success) !important; }
.text-warning { color: var(--warning) !important; }
.text-danger { color: var(--danger) !important; }

/* --------------------------------------------------------------------------
   CONTROLS BAR
   -------------------------------------------------------------------------- */
.controls-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 14px 18px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 14px;
}

.controls-left {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
}

.search-box {
    display: flex;
    align-items: center;
    background: var(--bg-main);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    padding: 0 12px;
    width: 260px;
}

.search-box input {
    background: transparent;
    border: none;
    outline: none;
    color: #ffffff;
    font-size: 13px;
    padding: 8px 6px;
    width: 100%;
}

.search-icon {
    font-size: 13px;
    color: var(--text-dim);
}

.filter-group {
    display: flex;
    background: var(--bg-main);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 2px;
}

.filter-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 12px;
    font-weight: 600;
    padding: 6px 14px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.filter-btn:hover {
    color: #ffffff;
}

.filter-btn.active {
    background: var(--primary);
    color: #ffffff;
}

.controls-right {
    display: flex;
    align-items: center;
    gap: 10px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: var(--font-family);
    font-size: 12.5px;
    font-weight: 700;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    border: 1px solid transparent;
    transition: all 0.2s ease;
}

.btn-fix {
    background: #0284c7;
    color: #ffffff;
    border-color: #0369a1;
}
.btn-fix:hover { background: #0369a1; }

.btn-pdf {
    background: #7c3aed;
    color: #ffffff;
    border-color: #6d28d9;
}
.btn-pdf:hover { background: #6d28d9; }

.btn-secondary {
    background: var(--bg-card);
    border-color: var(--border-light);
    color: var(--text-main);
}
.btn-secondary:hover { background: var(--border-color); }

/* --------------------------------------------------------------------------
   TABLE CONTAINER
   -------------------------------------------------------------------------- */
.table-container-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.table-responsive {
    width: 100%;
    overflow-x: auto;
}

.qc-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
    text-align: left;
}

.qc-table thead {
    background: #0f172a;
    border-bottom: 1px solid var(--border-color);
}

.qc-table th {
    padding: 12px 16px;
    font-weight: 700;
    color: var(--text-muted);
    font-size: 12px;
    letter-spacing: 0.3px;
    text-transform: uppercase;
}

.qc-table td {
    padding: 12px 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    vertical-align: middle;
}

.qc-table tbody tr {
    transition: background-color 0.15s ease;
}

.qc-table tbody tr:hover {
    background-color: rgba(255, 255, 255, 0.025);
}

.row-fail {
    background-color: rgba(239, 68, 68, 0.04) !important;
}

.row-warn {
    background-color: rgba(245, 158, 11, 0.03) !important;
}

.td-id {
    font-family: var(--font-mono);
    font-weight: 700;
    color: #ffffff;
}

.td-math {
    font-family: var(--font-mono);
    font-size: 12px;
}

.math-match {
    color: var(--success);
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-weight: 600;
}

.math-mismatch {
    color: var(--danger);
    background: var(--danger-bg);
    border: 1px solid var(--danger-border);
    padding: 2px 6px;
    border-radius: 4px;
    font-weight: 700;
}

.pdf-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 11.5px;
    font-weight: 600;
}

.btn-action-view {
    background: rgba(59, 130, 246, 0.12);
    border: 1px solid rgba(59, 130, 246, 0.3);
    color: #60a5fa;
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 700;
    cursor: pointer;
    margin-right: 4px;
}

.btn-action-view:hover { background: rgba(59, 130, 246, 0.25); }

.btn-action-fix {
    background: rgba(16, 185, 129, 0.12);
    border: 1px solid var(--success-border);
    color: var(--success);
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 700;
    cursor: pointer;
}

.btn-action-fix:hover { background: rgba(16, 185, 129, 0.25); }

.loading-cell {
    text-align: center;
    padding: 40px !important;
    color: var(--text-muted);
}

.spinner {
    width: 28px;
    height: 28px;
    border: 3px solid rgba(59, 130, 246, 0.2);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto 12px auto;
}

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

/* --------------------------------------------------------------------------
   ACTIVITY FEED
   -------------------------------------------------------------------------- */
.feed-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 16px 20px;
}

.feed-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.feed-title {
    font-size: 14px;
    font-weight: 700;
}

.feed-sub {
    font-size: 11.5px;
    color: var(--text-dim);
    margin-left: 10px;
    font-weight: normal;
}

.btn-clear-feed {
    background: transparent;
    border: none;
    color: var(--text-dim);
    font-size: 11.5px;
    cursor: pointer;
}
.btn-clear-feed:hover { color: var(--text-muted); }

.feed-logs {
    max-height: 160px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-family: var(--font-mono);
    font-size: 11.5px;
}

.feed-item {
    display: flex;
    gap: 12px;
    padding: 4px 8px;
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.02);
}

.feed-time {
    color: var(--text-dim);
}

.feed-item.info .feed-msg { color: #38bdf8; }
.feed-item.success .feed-msg { color: var(--success); }
.feed-item.warn .feed-msg { color: var(--warning); }
.feed-item.error .feed-msg { color: var(--danger); }

/* --------------------------------------------------------------------------
   MODAL
   -------------------------------------------------------------------------- */
.modal {
    display: none;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(4px);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius);
    max-width: 620px;
    width: 100%;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.8);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.modal-header {
    padding: 16px 20px;
    background: var(--bg-header);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-title-box {
    display: flex;
    align-items: center;
    gap: 12px;
}

.modal-body {
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    max-height: 70vh;
    overflow-y: auto;
}

.diff-box {
    background: var(--bg-main);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 14px;
}

.diff-box h4 {
    font-size: 13px;
    margin-bottom: 6px;
    color: var(--text-muted);
}

.formula-row {
    font-size: 11.5px;
    color: var(--text-dim);
    margin-bottom: 10px;
}

.formula-row code {
    background: rgba(255, 255, 255, 0.05);
    padding: 2px 6px;
    border-radius: 4px;
    color: #cbd5e1;
    font-family: var(--font-mono);
}

.math-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.m-item label {
    display: block;
    font-size: 11px;
    color: var(--text-dim);
    margin-bottom: 2px;
}

.val-mono {
    font-family: var(--font-mono);
    font-size: 13px;
    font-weight: 600;
    color: #ffffff;
}

.issues-box {
    background: var(--danger-bg);
    border: 1px solid var(--danger-border);
    border-radius: var(--radius-sm);
    padding: 12px 16px;
}

.issues-box h4 {
    font-size: 13px;
    color: var(--danger);
    margin-bottom: 6px;
}

.issues-box ul {
    padding-left: 18px;
    font-size: 12px;
    color: #fca5a5;
}

.modal-footer {
    padding: 14px 20px;
    background: var(--bg-header);
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

.btn-close {
    background: transparent;
    border: none;
    color: var(--text-dim);
    font-size: 22px;
    cursor: pointer;
}
.btn-close:hover { color: #ffffff; }

/* --------------------------------------------------------------------------
   TOAST
   -------------------------------------------------------------------------- */
.qc-toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    background: #0f172a;
    border: 1px solid var(--primary);
    color: #ffffff;
    padding: 12px 20px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 600;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 2000;
}

.qc-toast.show {
    transform: translateY(0);
    opacity: 1;
}

/* --------------------------------------------------------------------------
   RESPONSIVE
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
    .metrics-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 640px) {
    .metrics-grid {
        grid-template-columns: 1fr;
    }
    .qc-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
    .controls-card {
        flex-direction: column;
        align-items: stretch;
    }
    .search-box {
        width: 100%;
    }
}

/* Emergency Alert Banner */
.emergency-alert-banner {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.22) 0%, rgba(185, 28, 28, 0.35) 100%);
    border: 1px solid rgba(239, 68, 68, 0.6);
    border-left: 5px solid #ef4444;
    border-radius: var(--radius);
    padding: 14px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    box-shadow: 0 4px 20px rgba(239, 68, 68, 0.25);
    animation: pulseAlert 2s infinite ease-in-out;
}
@keyframes pulseAlert {
    0%, 100% { box-shadow: 0 4px 20px rgba(239, 68, 68, 0.2); }
    50% { box-shadow: 0 4px 30px rgba(239, 68, 68, 0.5); }
}
.emergency-alert-banner .alert-content {
    display: flex;
    align-items: center;
    gap: 14px;
}
.emergency-alert-banner .alert-icon {
    font-size: 26px;
    animation: wobble 1s infinite alternate ease-in-out;
}
@keyframes wobble {
    0% { transform: scale(1); }
    100% { transform: scale(1.15) rotate(5deg); }
}
.emergency-alert-banner .alert-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.emergency-alert-banner .alert-text strong {
    color: #fca5a5;
    font-size: 14.5px;
    font-weight: 700;
}
.emergency-alert-banner .alert-text span {
    color: #fecaca;
    font-size: 12.5px;
}
.btn-banner-inspect {
    background: #ef4444;
    color: #ffffff;
    font-weight: 700;
    font-size: 13px;
    padding: 10px 18px;
    border-radius: var(--radius-sm);
    border: none;
    cursor: pointer;
    white-space: nowrap;
    transition: var(--transition);
    box-shadow: 0 2px 8px rgba(239, 68, 68, 0.4);
}
.btn-banner-inspect:hover {
    background: #dc2626;
    transform: translateY(-1px);
    box-shadow: 0 4px 14px rgba(239, 68, 68, 0.6);
}

/* Dual-System Bar Card */
.system-bar-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 14px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    box-shadow: var(--shadow);
}
.system-bar-left {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
}
.sys-label {
    font-size: 13.5px;
    font-weight: 700;
    color: #94a3b8;
}
.system-tabs {
    display: flex;
    gap: 8px;
    background: rgba(15, 23, 42, 0.6);
    padding: 4px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
}
.sys-btn {
    background: transparent;
    border: none;
    color: #94a3b8;
    font-size: 12.5px;
    font-weight: 600;
    padding: 7px 14px;
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition);
}
.sys-btn:hover {
    color: #ffffff;
    background: rgba(255, 255, 255, 0.05);
}
.sys-btn.active {
    background: #3b82f6;
    color: #ffffff;
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.4);
}
.system-bar-right {
    display: flex;
    gap: 10px;
    align-items: center;
}
.sys-badge {
    font-size: 11px;
    font-weight: 700;
    padding: 3px 8px;
    border-radius: 6px;
    background: rgba(59, 130, 246, 0.15);
    color: #60a5fa;
    border: 1px solid rgba(59, 130, 246, 0.3);
}
.sys-badge.sys-2 {
    background: rgba(168, 85, 247, 0.15);
    color: #c084fc;
    border: 1px solid rgba(168, 85, 247, 0.3);
}