:root {
    --bg: #0b0f1a;
    --bg-alt: #111827;
    --card: #141c2f;
    --card-soft: #1a2340;
    --border: rgba(148, 163, 184, 0.15);
    --text: #f8fafc;
    --muted: #9aa4b2;
    --accent: #7c5cff;
    --accent-2: #24caff;
    --success: #22c55e;
    --warning: #f59e0b;
}

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

body {
    font-family: "Inter", system-ui, sans-serif;
    background: radial-gradient(circle at top, rgba(36, 202, 255, 0.12), transparent 50%), var(--bg);
    color: var(--text);
    min-height: 100vh;
}

.app {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 280px;
    background: linear-gradient(180deg, rgba(19, 25, 43, 0.98), rgba(12, 15, 27, 0.98));
    border-right: 1px solid var(--border);
    padding: 24px 20px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand-mark {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    display: grid;
    place-items: center;
    font-weight: 700;
}

.brand-text {
    display: flex;
    flex-direction: column;
}

.brand-title {
    font-weight: 600;
    font-size: 1rem;
}

.brand-sub {
    font-size: 0.75rem;
    color: var(--muted);
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.nav-item {
    background: transparent;
    border: 1px solid transparent;
    color: var(--text);
    padding: 10px 12px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: 0.2s ease;
}

.nav-item i {
    width: 18px;
    height: 18px;
}

.nav-item:hover {
    background: rgba(124, 92, 255, 0.12);
    border-color: rgba(124, 92, 255, 0.4);
}

.nav-item.active {
    background: rgba(124, 92, 255, 0.2);
    border-color: rgba(124, 92, 255, 0.6);
}

.nav-pill {
    margin-left: auto;
    font-size: 0.65rem;
    background: rgba(34, 197, 94, 0.2);
    color: var(--success);
    padding: 2px 6px;
    border-radius: 999px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.sidebar-footer {
    margin-top: auto;
}

.status-card {
    background: var(--card);
    border-radius: 16px;
    padding: 16px;
    border: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.status-header {
    font-size: 0.85rem;
    font-weight: 600;
}

.status-row {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--muted);
    font-size: 0.8rem;
}

.dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent-2);
}

.dot.success {
    background: var(--success);
}

.dot.warn {
    background: var(--warning);
}

.main {
    flex: 1;
    padding: 24px 32px 40px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.topbar {
    display: flex;
    align-items: center;
    gap: 16px;
}

.mobile-toggle {
    display: none;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 8px;
    color: var(--text);
}

.search {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 10px 14px;
    color: var(--muted);
}

.search input {
    background: transparent;
    border: none;
    outline: none;
    color: var(--text);
    width: 100%;
    font-size: 0.9rem;
}

.topbar-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.icon-alert {
    display: none;
    align-items: center;
    gap: 8px;
    background: rgba(245, 158, 11, 0.15);
    border: 1px solid rgba(245, 158, 11, 0.35);
    color: #fbbf24;
    padding: 10px 14px;
    border-radius: 12px;
    font-size: 0.85rem;
}

body.no-icons .icon-alert {
    display: flex;
}

button {
    font-family: inherit;
}

.primary,
.secondary,
.ghost,
.icon-button {
    border-radius: 12px;
    border: 1px solid transparent;
    padding: 10px 16px;
    font-size: 0.85rem;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: 0.2s ease;
}

.primary {
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    color: #fff;
}

.primary.small {
    padding: 8px 14px;
    font-size: 0.8rem;
}

.secondary {
    background: rgba(124, 92, 255, 0.12);
    color: var(--text);
    border-color: rgba(124, 92, 255, 0.4);
}

.secondary.full {
    width: 100%;
    justify-content: space-between;
}

.ghost {
    background: var(--card);
    color: var(--text);
    border: 1px solid var(--border);
}

.ghost.small {
    padding: 6px 10px;
    font-size: 0.75rem;
}

.icon-button {
    background: var(--card);
    border: 1px solid var(--border);
    padding: 10px;
}

.hero {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    padding: 24px;
    border-radius: 20px;
    background: linear-gradient(135deg, rgba(124, 92, 255, 0.18), rgba(36, 202, 255, 0.08));
    border: 1px solid rgba(124, 92, 255, 0.3);
}

.hero-copy h1 {
    font-size: 2rem;
    margin: 8px 0 12px;
}

.hero-copy p {
    color: var(--muted);
    line-height: 1.6;
}

.eyebrow {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--accent-2);
}

.hero-actions {
    display: flex;
    gap: 12px;
    margin: 20px 0;
    flex-wrap: wrap;
}

.badge-row {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.badge {
    padding: 6px 12px;
    border-radius: 999px;
    background: rgba(148, 163, 184, 0.12);
    font-size: 0.75rem;
    color: var(--muted);
}

.badge.active {
    background: rgba(124, 92, 255, 0.3);
    color: #fff;
}

.hero-panel {
    display: flex;
    justify-content: center;
}

.video-card {
    background: var(--card);
    border-radius: 18px;
    border: 1px solid var(--border);
    padding: 16px;
    width: 100%;
    max-width: 420px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.video-header {
    display: flex;
    justify-content: space-between;
    color: var(--muted);
    font-size: 0.8rem;
}

.status {
    color: var(--success);
    font-weight: 600;
}

.video-body {
    background: linear-gradient(135deg, rgba(124, 92, 255, 0.2), rgba(36, 202, 255, 0.2));
    border-radius: 16px;
    height: 220px;
    position: relative;
    overflow: hidden;
}

.video-grid {
    position: absolute;
    inset: 0;
    background-image: linear-gradient(rgba(255, 255, 255, 0.07) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.07) 1px, transparent 1px);
    background-size: 40px 40px;
}

.swing-metric {
    position: absolute;
    bottom: 16px;
    left: 16px;
    background: rgba(15, 23, 42, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 10px 14px;
}

.swing-metric .label {
    display: block;
    font-size: 0.7rem;
    color: var(--muted);
}

.swing-metric .value {
    font-size: 1.4rem;
    font-weight: 600;
}

.video-footer {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.camera-pill {
    background: rgba(124, 92, 255, 0.15);
    border: 1px solid rgba(124, 92, 255, 0.3);
    border-radius: 999px;
    padding: 6px 10px;
    font-size: 0.7rem;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.metrics {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
}

.metric-card {
    background: var(--card);
    border-radius: 16px;
    padding: 16px;
    border: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.metric-label {
    color: var(--muted);
    font-size: 0.8rem;
}

.metric-value {
    font-size: 1.6rem;
    font-weight: 600;
}

.metric-value span {
    font-size: 0.85rem;
    color: var(--muted);
    margin-left: 4px;
}

.metric-sub {
    font-size: 0.75rem;
    color: var(--muted);
}

.tab-panels {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.tab-panel {
    display: none;
}

.tab-panel.active {
    display: block;
}

.panel-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.panel {
    background: var(--card);
    border-radius: 16px;
    padding: 16px;
    border: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.panel.wide {
    grid-column: span 2;
}

.panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.panel-header h3 {
    font-size: 1rem;
}

.phase-list,
.insight-list,
.history-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.phase-item,
.history-row {
    background: var(--card-soft);
    border-radius: 12px;
    padding: 10px 14px;
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
    color: var(--muted);
}

.phase-item.active,
.phase-item.highlight {
    color: #fff;
    background: rgba(124, 92, 255, 0.2);
}

.phase-time {
    font-weight: 600;
}

.insight-list li {
    list-style: none;
    background: var(--card-soft);
    border-radius: 12px;
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.insight-title {
    font-weight: 600;
    font-size: 0.9rem;
}

.insight-sub {
    color: var(--muted);
    font-size: 0.8rem;
}

.trajectory {
    position: relative;
    background: linear-gradient(180deg, rgba(36, 202, 255, 0.12), transparent);
    border-radius: 14px;
    height: 180px;
    overflow: hidden;
}

.trajectory-line {
    position: absolute;
    inset: 50% 10% auto 10%;
    height: 2px;
    background: rgba(36, 202, 255, 0.5);
    transform: rotate(-6deg);
}

.trajectory-point {
    position: absolute;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--accent-2);
    top: 40%;
    left: 30%;
}

.trajectory-point.two {
    top: 35%;
    left: 55%;
}

.trajectory-point.three {
    top: 45%;
    left: 75%;
}

.trajectory-label {
    position: absolute;
    bottom: 12px;
    left: 16px;
    font-size: 0.8rem;
    color: var(--muted);
}

.chat-thread {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.chat-message {
    background: var(--card-soft);
    border-radius: 12px;
    padding: 12px;
    font-size: 0.85rem;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.chat-message.user {
    align-self: flex-end;
    background: rgba(124, 92, 255, 0.25);
}

.chat-message span {
    font-size: 0.7rem;
    color: var(--muted);
}

.chat-input {
    display: flex;
    gap: 10px;
}

.chat-input input {
    flex: 1;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: var(--card-soft);
    color: var(--text);
    padding: 10px 12px;
}

.sparkline {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 6px;
    height: 80px;
    align-items: end;
}

.sparkline span {
    background: linear-gradient(180deg, var(--accent), var(--accent-2));
    border-radius: 6px;
    display: block;
    height: 30%;
}

.sparkline span:nth-child(2) {
    height: 55%;
}

.sparkline span:nth-child(3) {
    height: 70%;
}

.sparkline span:nth-child(4) {
    height: 45%;
}

.sparkline span:nth-child(5) {
    height: 65%;
}

.sparkline span:nth-child(6) {
    height: 80%;
}

.ring {
    --ring-progress: 78%;
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: conic-gradient(var(--accent) 0 var(--ring-progress), rgba(148, 163, 184, 0.2) var(--ring-progress) 100%);
    display: grid;
    place-items: center;
    margin: 0 auto;
}

.ring-value {
    background: var(--card);
    border-radius: 50%;
    width: 80px;
    height: 80px;
    display: grid;
    place-items: center;
    font-weight: 600;
}

.panel-text {
    color: var(--muted);
    font-size: 0.85rem;
}

.metric-table,
.target-grid,
.security-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 16px;
}

.metric-table div,
.target-grid div,
.security-grid div {
    background: var(--card-soft);
    border-radius: 12px;
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    color: var(--muted);
}

.metric-table strong,
.target-grid strong,
.security-grid strong {
    color: var(--text);
}

.history-row {
    align-items: center;
}

.history-row span {
    display: block;
    font-size: 0.75rem;
    color: var(--muted);
}

.history-score {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--accent-2);
}

.settings-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.settings-list label {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--card-soft);
    border-radius: 12px;
    padding: 10px 12px;
    font-size: 0.85rem;
}

.settings-list input {
    width: 18px;
    height: 18px;
    accent-color: var(--accent);
}

@media (max-width: 1100px) {
    .app {
        flex-direction: column;
    }

    .sidebar {
        position: fixed;
        top: 0;
        left: 0;
        height: 100vh;
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        z-index: 10;
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .mobile-toggle {
        display: inline-flex;
    }

    .main {
        padding: 20px;
    }

    .panel-grid {
        grid-template-columns: 1fr;
    }

    .panel.wide {
        grid-column: auto;
    }
}

@media (max-width: 700px) {
    .topbar-actions {
        display: none;
    }

    .hero-copy h1 {
        font-size: 1.6rem;
    }
}