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

:root {
    --bg: #0a0e17;
    --bg-card: #111827;
    --bg-elevated: #161f32;
    --border: #1e293b;
    --border-subtle: rgba(255, 255, 255, 0.06);
    --text: #e2e8f0;
    --text-muted: #64748b;
    --text-dim: #475569;
    --accent: #3b82f6;
    --green: #22c55e;
    --yellow: #eab308;
    --orange: #f97316;
    --red: #ef4444;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'Segoe UI', Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    height: 100vh;
    overflow: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.hidden { display: none !important; }

/* ---------- Graph view (full screen) ---------- */
#graph-view {
    position: relative;
    width: 100%;
    height: 100vh;
    overflow: hidden;
}

#graph-canvas {
    width: 100%;
    height: 100%;
    display: block;
}

/* ---------- Bottom bar (narrative) ---------- */
.bottom-bar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 50;
    background: rgba(17, 24, 39, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    padding: 14px 24px;
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.bottom-bar.hidden-bar {
    transform: translateY(-100%);
}

.bottom-bar-content {
    max-width: 960px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 20px;
}

.bottom-bar-narrative {
    flex: 1;
    min-width: 0;
}

#narrative-text {
    font-size: 0.82rem;
    line-height: 1.6;
    color: rgba(226, 232, 240, 0.92);
    letter-spacing: 0.005em;
}

#last-update {
    font-size: 0.58rem;
    color: var(--text-dim);
    margin-top: 4px;
    letter-spacing: 0.02em;
}

/* ---------- Graph legend ---------- */
.graph-legend {
    position: absolute;
    bottom: 16px;
    left: 16px;
    z-index: 40;
    display: flex;
    gap: 14px;
    padding: 10px 16px;
    background: rgba(17, 24, 39, 0.88);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.07);
    border-radius: 10px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    transition: bottom 0.3s;
}

.graph-legend-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.65rem;
    color: var(--text-muted);
    font-weight: 500;
    letter-spacing: 0.01em;
}

.graph-legend-separator {
    width: 1px;
    height: 14px;
    background: var(--border-subtle);
    align-self: center;
}

.legend-arrow {
    color: rgba(249, 115, 22, 0.7);
    font-size: 0.82rem;
    line-height: 1;
}

/* ---------- Phase dot (shared) ---------- */
.phase-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    flex-shrink: 0;
    display: inline-block;
}

/* ---------- Tooltip ---------- */
.tooltip {
    position: absolute;
    pointer-events: none;
    background: rgba(17, 24, 39, 0.95);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 12px 16px;
    font-size: 0.78rem;
    line-height: 1.5;
    opacity: 0;
    transition: opacity 0.15s;
    z-index: 100;
    max-width: 280px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(8px);
}

.tooltip.visible { opacity: 1; }
.tooltip .ticker { font-weight: 700; font-size: 0.9rem; }
.tooltip .sector { color: var(--text-muted); font-size: 0.7rem; }
.tooltip .positive { color: var(--green); }
.tooltip .negative { color: var(--red); }

/* ---------- Back button ---------- */
.back-btn {
    position: absolute;
    top: 14px;
    left: 14px;
    z-index: 50;
    background: rgba(17, 24, 39, 0.9);
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: var(--text);
    padding: 8px 16px;
    border-radius: 10px;
    font-size: 0.78rem;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: all 0.2s;
    backdrop-filter: blur(12px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}

.back-btn:hover {
    border-color: rgba(255, 255, 255, 0.15);
    background: rgba(30, 41, 59, 0.9);
}

/* ---------- Sector navigation pills ---------- */
.sector-pills {
    position: absolute;
    top: 60px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 50;
    display: flex;
    gap: 4px;
    padding: 4px 8px;
    background: rgba(17, 24, 39, 0.9);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    max-width: calc(100% - 24px);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.sector-pills::-webkit-scrollbar { display: none; }

.sector-pill {
    flex-shrink: 0;
    padding: 5px 12px;
    border: 1px solid transparent;
    border-radius: 8px;
    background: transparent;
    color: var(--text-muted);
    font-size: 0.68rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
    font-family: inherit;
}

.sector-pill:hover {
    color: var(--text);
    background: rgba(255, 255, 255, 0.05);
}

.sector-pill.active {
    color: #fff;
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.15);
    font-weight: 600;
}

.sector-pill-back {
    color: var(--text);
    border-color: rgba(255, 255, 255, 0.1);
}

.sector-pill-back:hover {
    background: rgba(255, 255, 255, 0.08);
}

/* ---------- Onboarding overlay ---------- */
.onboarding-overlay {
    position: fixed;
    inset: 0;
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.onboarding-card {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 20px;
    padding: 32px 36px;
    max-width: 420px;
    width: calc(100% - 32px);
    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.5);
    animation: slideUp 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.onboarding-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 24px;
    letter-spacing: -0.01em;
}

.onboarding-body {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 20px;
}

.onboarding-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 0.82rem;
    line-height: 1.55;
    color: rgba(226, 232, 240, 0.85);
}

.onboarding-item .phase-dot {
    margin-top: 6px;
    width: 8px;
    height: 8px;
}

.onboarding-item .legend-arrow {
    margin-top: 1px;
    font-size: 1rem;
}

.onboarding-item strong {
    color: var(--text);
    font-weight: 600;
}

.onboarding-tip {
    font-size: 0.72rem;
    color: var(--text-dim);
    margin-bottom: 24px;
    padding-left: 20px;
    font-style: italic;
}

.onboarding-btn {
    display: block;
    width: 100%;
    padding: 12px;
    border: none;
    border-radius: 12px;
    background: var(--accent);
    color: #fff;
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
    font-family: inherit;
    transition: all 0.2s;
    letter-spacing: 0.01em;
}

.onboarding-btn:hover {
    background: #2563eb;
    box-shadow: 0 4px 16px rgba(59, 130, 246, 0.3);
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
    .bottom-bar {
        padding: 12px 16px;
    }

    #narrative-text {
        font-size: 0.76rem;
    }

    .graph-legend {
        bottom: 12px;
        left: 12px;
        gap: 8px;
        padding: 6px 10px;
    }

    .graph-legend-item { font-size: 0.58rem; }

    .tooltip { font-size: 0.72rem; max-width: 220px; }

    .sector-pills {
        top: 54px;
        padding: 4px 6px;
        gap: 3px;
    }

    .sector-pill {
        padding: 4px 8px;
        font-size: 0.6rem;
    }

    .onboarding-card {
        padding: 24px 24px;
    }

    .onboarding-title {
        font-size: 1rem;
    }

    .onboarding-item {
        font-size: 0.78rem;
    }
}