/* Misra / BLCK Balance Dashboard — Solver.tr v2 design language */

:root {
    --v2-bg: #0b0b10;
    --v2-bg-elevated: #12121a;
    --v2-surface: rgba(255, 255, 255, 0.035);
    --v2-surface-hover: rgba(255, 255, 255, 0.055);
    --v2-glass: rgba(18, 18, 26, 0.72);
    --v2-border: rgba(255, 255, 255, 0.07);
    --v2-border-strong: rgba(255, 255, 255, 0.12);
    --v2-text: #f4f4f8;
    --v2-text-muted: #9494a8;
    --v2-text-faint: #6b6b7d;
    --v2-accent: #5eead4;
    --v2-accent-2: #a78bfa;
    --v2-accent-3: #f472b6;
    --v2-success: #34d399;
    --v2-warning: #fbbf24;
    --v2-danger: #f87171;
    --v2-radius-sm: 10px;
    --v2-radius: 16px;
    --v2-radius-lg: 22px;
    --v2-shadow: 0 1px 0 rgba(255,255,255,0.04) inset, 0 12px 40px rgba(0,0,0,0.35);
    --v2-font: 'Plus Jakarta Sans', system-ui, sans-serif;
    --v2-mono: 'JetBrains Mono', ui-monospace, monospace;
    --v2-ease: cubic-bezier(0.22, 1, 0.36, 1);
    --accent-cyan: var(--v2-accent);
    --accent-purple: var(--v2-accent-2);
    --accent-green: var(--v2-success);
    --accent-yellow: var(--v2-warning);
    --accent-red: var(--v2-danger);
    --accent-pink: var(--v2-accent-3);
    --border-color: var(--v2-border);
    --bg-card: var(--v2-glass);
    --bg-secondary: var(--v2-bg-elevated);
    --text-primary: var(--v2-text);
    --text-secondary: var(--v2-text-muted);
}

*, *::before, *::after { box-sizing: border-box; }
html {
    scroll-behavior: auto;
}
body {
    margin: 0;
    min-height: 100vh;
    font-family: var(--v2-font);
    font-size: 15px;
    line-height: 1.5;
    color: var(--v2-text);
    background: var(--v2-bg);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

.solver-bg {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    overflow: hidden;
    contain: strict;
    transform: translateZ(0);
}
.solver-aurora {
    position: absolute;
    inset: -20%;
    background:
        radial-gradient(ellipse 50% 40% at 15% 10%, rgba(94, 234, 212, 0.14), transparent 55%),
        radial-gradient(ellipse 45% 35% at 85% 15%, rgba(167, 139, 250, 0.16), transparent 50%),
        radial-gradient(ellipse 40% 30% at 50% 90%, rgba(244, 114, 182, 0.08), transparent 55%);
    animation: auroraShift 18s ease-in-out infinite alternate;
    will-change: transform;
}
/* Scroll sırasında aurora animasyonunu dondur — compositing jank azalır */
body.is-scrolling .solver-aurora {
    animation-play-state: paused;
}
body.is-scrolling .misra-kpi,
body.is-scrolling .chart-card,
body.is-scrolling .misra-panel {
    transition: none !important;
}
.solver-grid-noise {
    position: absolute;
    inset: 0;
    opacity: 0.35;
    background-image:
        linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
    background-size: 48px 48px;
    mask-image: radial-gradient(ellipse 80% 70% at 50% 30%, black, transparent);
}
@keyframes auroraShift {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(-2%, 1%) scale(1.03); }
}

.misra-shell {
    position: relative;
    z-index: 1;
    max-width: 1200px;
    margin: 0 auto;
    padding: 28px 20px 64px;
    content-visibility: visible;
}
.misra-panel,
.chart-card,
.data-panel {
    content-visibility: auto;
    contain-intrinsic-size: auto 360px;
}

/* Hero */
.misra-hero {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 28px;
    padding: 28px 32px;
    border-radius: var(--v2-radius-lg);
    border: 1px solid rgba(255,255,255,0.09);
    background:
        linear-gradient(145deg, rgba(94,234,212,0.07) 0%, transparent 42%),
        linear-gradient(220deg, rgba(167,139,250,0.12) 0%, transparent 48%),
        rgba(14, 14, 22, 0.65);
}
.misra-brand {
    display: flex;
    align-items: center;
    gap: 14px;
}
.misra-brand-mark {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    object-fit: contain;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    padding: 6px;
    filter: brightness(0) invert(1);
}
.misra-eyebrow {
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--v2-accent);
    margin: 0 0 4px;
}
.misra-hero h1 {
    margin: 0;
    font-size: clamp(1.35rem, 2.5vw, 1.85rem);
    font-weight: 700;
    letter-spacing: -0.03em;
}
.misra-hero-sub {
    margin: 6px 0 0;
    color: var(--v2-text-muted);
    font-size: 0.88rem;
    display: flex;
    align-items: center;
    gap: 8px;
}
.misra-reg {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 8px;
}
.misra-reg-row {
    display: flex;
    align-items: center;
    gap: 10px;
}
.misra-reg-label { color: var(--v2-text-muted); font-size: 0.85rem; }
.misra-reg-meta { font-size: 0.72rem; color: var(--v2-text-faint); }
.misra-reg-status { font-size: 0.85rem; font-weight: 600; }
.misra-reg-status.on { color: #6ee7b7; }
.misra-reg-status.off { color: #fca5a5; }

.connection-indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    display: inline-block;
}
.connection-indicator.connected {
    background: var(--v2-success);
    box-shadow: 0 0 8px rgba(52, 211, 153, 0.6);
}
.connection-indicator.disconnected {
    background: var(--v2-danger);
    box-shadow: 0 0 8px rgba(248, 113, 113, 0.6);
}

.toggle-switch {
    position: relative;
    width: 48px;
    height: 26px;
    background: var(--v2-danger);
    border-radius: 13px;
    cursor: pointer;
    transition: background 0.25s var(--v2-ease);
    flex-shrink: 0;
}
.toggle-switch.active { background: var(--v2-success); }
.toggle-switch::after {
    content: '';
    position: absolute;
    top: 3px;
    left: 3px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: #fff;
    transition: transform 0.25s var(--v2-ease);
    box-shadow: 0 2px 6px rgba(0,0,0,0.25);
}
.toggle-switch.active::after { transform: translateX(22px); }

/* KPI bento */
.misra-bento {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
    margin-bottom: 22px;
}
@media (max-width: 960px) {
    .misra-bento { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 520px) {
    .misra-bento { grid-template-columns: 1fr; }
}

.misra-kpi {
    position: relative;
    min-width: 0;
    padding: 18px 18px 16px;
    border-radius: var(--v2-radius);
    border: 1px solid var(--v2-border);
    background: rgba(14, 14, 22, 0.72);
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
    overflow: hidden;
    transition: border-color 0.25s, transform 0.25s var(--v2-ease);
}
.misra-kpi::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    opacity: 0.7;
}
.misra-kpi.cyan::before { background: linear-gradient(90deg, var(--v2-accent), transparent); }
.misra-kpi.yellow::before { background: linear-gradient(90deg, var(--v2-warning), transparent); }
.misra-kpi.green::before { background: linear-gradient(90deg, var(--v2-success), transparent); }
.misra-kpi.purple::before { background: linear-gradient(90deg, var(--v2-accent-2), transparent); }
.misra-kpi:hover {
    border-color: rgba(255,255,255,0.14);
    transform: translateY(-2px);
}
.misra-kpi-label {
    margin: 0 0 6px;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--v2-text-faint);
}
.misra-kpi-value {
    margin: 0;
    font-size: clamp(1.45rem, 2.4vw, 1.85rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    font-variant-numeric: tabular-nums;
    min-width: 1.8em;
    display: inline-block;
}
.misra-kpi-meta {
    margin: 8px 0 0;
    font-size: 0.78rem;
    color: var(--v2-text-muted);
}
.icon-box {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    display: grid;
    place-items: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}
.icon-box.cyan { background: rgba(94,234,212,0.12); color: var(--v2-accent); }
.icon-box.yellow { background: rgba(251,191,36,0.12); color: var(--v2-warning); }
.icon-box.green { background: rgba(52,211,153,0.12); color: var(--v2-success); }
.icon-box.purple { background: rgba(167,139,250,0.14); color: var(--v2-accent-2); }

/* Panels / cards */
.card, .misra-panel {
    background: rgba(14, 14, 22, 0.72);
    border: 1px solid var(--v2-border);
    border-radius: var(--v2-radius);
    color: var(--v2-text);
}
.misra-panel { padding: 20px 22px; margin-bottom: 18px; }
.misra-panel-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 16px;
}
.misra-panel-head h2,
.misra-panel-head h3,
.card h2,
.card h3 {
    margin: 0;
    font-size: 1.05rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 8px;
}
.misra-panel-head h2 i,
.card h3 i { color: var(--v2-accent); }
.misra-panel-meta { font-size: 0.75rem; color: var(--v2-text-faint); margin-top: 4px; }
.misra-panel-time { font-size: 0.75rem; color: var(--v2-text-faint); white-space: nowrap; }

.misra-grid-2 {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
    margin-bottom: 14px;
}
@media (max-width: 800px) {
    .misra-grid-2 { grid-template-columns: 1fr; }
}
.misra-grid-2 > .card { padding: 18px 20px; }

/* ── Analytics studio ── */
.analytics-studio { margin-top: 8px; }
.analytics-studio-head {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    justify-content: space-between;
    gap: 14px;
    margin-bottom: 14px;
}
.analytics-studio-head h2 {
    margin: 0;
    font-size: 1.05rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}
.analytics-studio-head p {
    margin: 4px 0 0;
    font-size: 0.8rem;
    color: var(--v2-text-muted);
}

.analytics-tabs {
    display: inline-flex;
    flex-wrap: wrap;
    gap: 4px;
    padding: 5px;
    border-radius: 14px;
    border: 1px solid rgba(255,255,255,0.08);
    background: rgba(0,0,0,0.28);
    margin: 0;
}
.analytics-tab {
    background: transparent;
    border: 0;
    color: var(--v2-text-muted);
    padding: 10px 14px;
    border-radius: 10px;
    font-size: 0.78rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: background 0.2s, color 0.2s, box-shadow 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 7px;
    line-height: 1.2;
}
.analytics-tab i { font-size: 1rem; opacity: 0.85; }
.analytics-tab:hover {
    background: rgba(255,255,255,0.05);
    color: var(--v2-text);
}
.analytics-tab.active {
    background: linear-gradient(135deg, rgba(94,234,212,0.18), rgba(167,139,250,0.12));
    color: var(--v2-text);
    box-shadow: inset 0 0 0 1px rgba(94,234,212,0.22);
}
.analytics-tab.active i { color: var(--v2-accent); opacity: 1; }

.analytics-content { animation: fadeIn 0.28s ease; }
.analytics-content.hidden,
.hidden { display: none !important; }

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

.chart-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
    margin-bottom: 14px;
}
@media (max-width: 860px) {
    .chart-grid { grid-template-columns: 1fr; }
}

.chart-card {
    position: relative;
    display: flex;
    flex-direction: column;
    min-height: 0;
    padding: 0;
    overflow: hidden;
    border-radius: 18px;
    border: 1px solid rgba(255,255,255,0.08);
    background:
        linear-gradient(165deg, rgba(255,255,255,0.035) 0%, transparent 38%),
        rgba(14, 14, 22, 0.82);
}
.chart-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.18), transparent);
    opacity: 0.7;
}
.chart-card[data-tone="cyan"] { box-shadow: inset 3px 0 0 rgba(94,234,212,0.55); }
.chart-card[data-tone="green"] { box-shadow: inset 3px 0 0 rgba(52,211,153,0.55); }
.chart-card[data-tone="violet"] { box-shadow: inset 3px 0 0 rgba(167,139,250,0.55); }
.chart-card[data-tone="amber"] { box-shadow: inset 3px 0 0 rgba(251,191,36,0.5); }
.chart-card[data-tone="pink"] { box-shadow: inset 3px 0 0 rgba(244,114,182,0.5); }
.chart-card[data-tone="blue"] { box-shadow: inset 3px 0 0 rgba(96,165,250,0.5); }

.chart-card-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
    padding: 16px 18px 10px;
}
.chart-card-kicker {
    margin: 0 0 4px;
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--v2-text-faint);
}
.chart-card-title {
    margin: 0;
    font-size: 0.98rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}
.chart-card-desc {
    margin: 4px 0 0;
    font-size: 0.75rem;
    color: var(--v2-text-muted);
    line-height: 1.4;
}
.chart-card-badge {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    border-radius: 11px;
    display: grid;
    place-items: center;
    font-size: 1.05rem;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    color: var(--v2-accent);
}
.chart-card[data-tone="green"] .chart-card-badge { color: #6ee7b7; }
.chart-card[data-tone="violet"] .chart-card-badge { color: #c4b5fd; }
.chart-card[data-tone="amber"] .chart-card-badge { color: #fcd34d; }
.chart-card[data-tone="pink"] .chart-card-badge { color: #f9a8d4; }
.chart-card[data-tone="blue"] .chart-card-badge { color: #93c5fd; }

.chart-well {
    position: relative;
    margin: 0 14px 14px;
    padding: 12px 10px 8px;
    border-radius: 14px;
    background: rgba(0,0,0,0.28);
    border: 1px solid rgba(255,255,255,0.05);
}
.chart-container {
    position: relative;
    height: 280px;
}
.chart-container.chart-sm { height: 240px; }
.chart-container.chart-donut {
    height: 280px;
    max-width: 320px;
    margin: 0 auto;
}
@media (max-width: 768px) {
    .chart-container,
    .chart-container.chart-donut,
    .chart-container.chart-sm { height: 220px; }
}

.chart-donut-wrap { position: relative; }
.chart-donut-center {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    pointer-events: none;
    padding-bottom: 28px;
}
.chart-donut-center strong {
    font-size: 1.65rem;
    font-weight: 750;
    letter-spacing: -0.03em;
    font-variant-numeric: tabular-nums;
}
.chart-donut-center span {
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--v2-text-faint);
}

.data-panel {
    border-radius: 18px;
    border: 1px solid rgba(255,255,255,0.08);
    background: rgba(14, 14, 22, 0.82);
    overflow: hidden;
    margin-bottom: 8px;
}
.data-panel-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 14px 18px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
    background: rgba(255,255,255,0.02);
}
.data-panel-head h3 {
    margin: 0;
    font-size: 0.92rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 8px;
}
.data-panel-head h3 i { color: var(--v2-accent); }
.data-panel .table-scroll { padding: 0; }
.data-panel .data-table { min-width: 720px; }
.data-panel .data-table th {
    background: transparent;
    border-bottom: 1px solid rgba(255,255,255,0.07);
}
.data-panel .data-table td { font-variant-numeric: tabular-nums; }

.summary-strip {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    padding: 14px 18px 4px;
}
@media (max-width: 640px) {
    .summary-strip { grid-template-columns: 1fr; }
}

/* Tables */
.table-scroll {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}
.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.86rem;
    min-width: 700px;
}
.data-table th,
.data-table td {
    padding: 11px 14px;
    text-align: left;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    vertical-align: middle;
}
.data-table th {
    font-size: 0.68rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--v2-text-faint);
    background: rgba(0,0,0,0.22);
}
.data-table tbody tr:hover { background: rgba(255,255,255,0.025); }
.data-table tr.row-failed { background: rgba(248, 113, 113, 0.08); }
.data-table tr.row-failed:hover { background: rgba(248, 113, 113, 0.12); }

.status-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
    margin-right: 8px;
}
.status-online {
    background: var(--v2-success);
    box-shadow: 0 0 8px rgba(52,211,153,0.5);
}
.status-offline {
    background: var(--v2-danger);
    box-shadow: 0 0 8px rgba(248,113,113,0.5);
}

.progress-bar {
    background: rgba(255,255,255,0.08);
    border-radius: 999px;
    overflow: hidden;
    height: 6px;
}
.progress-fill {
    background: linear-gradient(90deg, var(--v2-accent), var(--v2-accent-2));
    height: 100%;
    border-radius: 999px;
    transition: width 0.45s var(--v2-ease);
}

.btn-action {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 7px 10px;
    border-radius: 10px;
    border: 1px solid rgba(255,255,255,0.1);
    background: rgba(255,255,255,0.04);
    color: var(--v2-text-muted);
    cursor: pointer;
    font-family: inherit;
    font-size: 0.78rem;
    font-weight: 600;
    transition: color 0.2s, border-color 0.2s, background 0.2s;
}
.btn-action:hover { color: var(--v2-text); border-color: rgba(255,255,255,0.2); }
.btn-action.disable { color: #fca5a5; }
.btn-action.enable { color: #6ee7b7; }
.btn-action.detail { color: var(--v2-accent); }

.btn-refresh {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    border-radius: 11px;
    border: 0;
    font-size: 0.8rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: background 0.2s;
}
.btn-refresh.cyan { background: rgba(94,234,212,0.14); color: var(--v2-accent); }
.btn-refresh.cyan:hover { background: rgba(94,234,212,0.24); }
.btn-refresh.green { background: rgba(52,211,153,0.14); color: var(--v2-success); }
.btn-refresh.green:hover { background: rgba(52,211,153,0.24); }
.btn-refresh.purple { background: rgba(167,139,250,0.16); color: var(--v2-accent-2); }
.btn-refresh.purple:hover { background: rgba(167,139,250,0.26); }

.summary-card {
    padding: 14px 16px;
    border-radius: 14px;
    border: 1px solid rgba(255,255,255,0.08);
    background: rgba(255,255,255,0.03);
}
.summary-card.purple { border-color: rgba(167,139,250,0.22); background: rgba(167,139,250,0.08); }
.summary-card.cyan { border-color: rgba(94,234,212,0.22); background: rgba(94,234,212,0.08); }
.summary-card .label {
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--v2-text-muted);
    margin-bottom: 6px;
}
.summary-card .value { font-size: 0.95rem; font-weight: 700; line-height: 1.35; }
.summary-card.purple .value { color: #c4b5fd; }
.summary-card.cyan .value { color: var(--v2-accent); }

/* Modal */
.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 2200;
    align-items: center;
    justify-content: center;
    padding: 20px 12px;
    background: rgba(4, 4, 8, 0.55);
}
.modal-overlay.active { display: flex; }
.modal-content {
    background: #12121a;
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 18px;
    width: 100%;
    max-width: 900px;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 28px 80px rgba(0,0,0,0.55);
}
.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 22px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}
.modal-header h3 {
    margin: 0;
    font-size: 1.05rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 8px;
}
.modal-header h3 i { color: var(--v2-accent); }
.modal-close {
    background: rgba(255,255,255,0.06);
    border: 0;
    color: var(--v2-text-muted);
    width: 36px;
    height: 36px;
    border-radius: 10px;
    cursor: pointer;
    display: grid;
    place-items: center;
}
.modal-close:hover { background: rgba(248,113,113,0.2); color: #fca5a5; }
.modal-body { padding: 18px 22px; overflow-y: auto; flex: 1; }
.modal-summary {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 12px;
    margin-bottom: 18px;
}
.modal-summary-item {
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 12px;
    padding: 12px 14px;
}
.modal-summary-item .label { font-size: 0.72rem; color: var(--v2-text-muted); margin-bottom: 4px; }
.modal-summary-item .value { font-size: 1.15rem; font-weight: 700; }
.modal-summary-item .value.danger { color: var(--v2-danger); }
.modal-section-title {
    font-size: 0.82rem;
    font-weight: 700;
    margin: 14px 0 10px;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--v2-text);
}
.modal-loading { text-align: center; padding: 40px; color: var(--v2-text-muted); }

/* Toast */
.toast {
    position: fixed;
    top: 24px;
    right: 24px;
    z-index: 3000;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    border-radius: 12px;
    border: 1px solid rgba(255,255,255,0.1);
    background: rgba(16,16,24,0.95);
    color: var(--v2-text);
    font-size: 0.88rem;
    font-weight: 500;
    box-shadow: 0 16px 40px rgba(0,0,0,0.45);
    animation: slideInRight 0.28s var(--v2-ease);
}
.toast.success { border-color: rgba(52,211,153,0.35); color: #6ee7b7; }
.toast.error { border-color: rgba(248,113,113,0.35); color: #fca5a5; }
@keyframes slideInRight {
    from { opacity: 0; transform: translateX(16px); }
    to { opacity: 1; transform: translateX(0); }
}

/* Utilities kept for dynamic JS HTML */
.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.gap-4 { gap: 16px; }
.mb-4 { margin-bottom: 16px; }
.mb-6 { margin-bottom: 24px; }
.mt-1 { margin-top: 4px; }
.w-20 { width: 5rem; }
.md\:w-32 { width: 8rem; }
.min-w-\[700px\] { min-width: 700px; }
.font-medium { font-weight: 600; }
.font-semibold { font-weight: 700; }
.text-center { text-align: center; }
.text-xs { font-size: 0.75rem; }
.text-sm { font-size: 0.875rem; }
.text-lg { font-size: 1.1rem; }
.opacity-50 { opacity: 0.5; }
.text-white { color: var(--v2-text); }
.text-gray-400, .text-gray-500, .text-gray-600 { color: var(--v2-text-muted); }
.text-green-400 { color: #6ee7b7; }
.text-red-400 { color: #fca5a5; }
.text-yellow-400 { color: #fcd34d; }
.text-cyan-400 { color: var(--v2-accent); }
.text-purple-400 { color: #c4b5fd; }
.text-blue-400 { color: #93c5fd; }
.text-pink-400 { color: #f9a8d4; }
.scrollbar-hide {
    -ms-overflow-style: none;
    scrollbar-width: none;
}
.scrollbar-hide::-webkit-scrollbar { display: none; }

::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--v2-bg-elevated); }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.12); border-radius: 3px; }

@media (prefers-reduced-motion: reduce) {
    .solver-aurora { animation: none; }
    .analytics-content { animation: none; }
}