:root {
    --bg: #0b0f19;
    --panel: #131b2e;
    --panel-alt: #19233c;
    --border: #283655;
    --text: #eef2ff;
    --muted: #94a3b8;
    --accent: #f59e0b;
    --accent-hover: #d97706;
    --teal: #14b8a6;
    --purple: #a855f7;
    --danger: #ef4444;
    --success: #10b981;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "Inter", system-ui, -apple-system, sans-serif;
    background: radial-gradient(circle at top right, #1e1b4b, var(--bg) 55%);
    color: var(--text);
    min-height: 100vh;
}

a {
    color: var(--accent);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

.topbar {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.75rem;
    background: rgba(19, 27, 46, 0.9);
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 20;
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.85rem;
}

.brand-icon {
    width: 42px;
    height: 42px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--accent), var(--purple));
    display: grid;
    place-items: center;
    font-weight: 800;
    font-size: 1.2rem;
    color: #0b0f19;
}

.brand h1 {
    margin: 0;
    font-size: 1.25rem;
    letter-spacing: -0.02em;
}

.brand p {
    margin: 0.15rem 0 0;
    font-size: 0.8rem;
    color: var(--muted);
}

.auth-bar {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    flex-wrap: wrap;
}

.pill {
    font-size: 0.78rem;
    padding: 0.35rem 0.7rem;
    border-radius: 999px;
    background: var(--panel-alt);
    border: 1px solid var(--border);
    color: var(--muted);
}

.pill.connected {
    border-color: var(--success);
    color: #a7f3d0;
    background: rgba(16, 185, 129, 0.12);
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 1.5rem;
}

.tabs {
    display: flex;
    gap: 0.6rem;
    margin-bottom: 1.25rem;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 0.65rem 1.15rem;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: var(--panel);
    color: var(--text);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s ease;
}

.tab-btn.active {
    background: linear-gradient(135deg, var(--accent), #ea580c);
    color: #0b0f19;
    border-color: transparent;
}

.grid-2 {
    display: grid;
    grid-template-columns: 1.35fr 1fr;
    gap: 1.25rem;
}

@media (max-width: 960px) {
    .grid-2 {
        grid-template-columns: 1fr;
    }
}

.card {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 1.25rem;
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.28);
}

.card h2,
.card h3 {
    margin-top: 0;
}

.canvas-frame {
    position: relative;
    background: #070a12;
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
    aspect-ratio: 5 / 3;
    display: flex;
    align-items: center;
    justify-content: center;
}

.canvas-frame canvas {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

.toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem;
    align-items: center;
    justify-content: space-between;
    margin-top: 0.85rem;
}

.btn {
    padding: 0.55rem 0.95rem;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: var(--panel-alt);
    color: var(--text);
    font-weight: 600;
    font-size: 0.86rem;
    cursor: pointer;
}

.btn:hover {
    border-color: var(--accent);
}

.btn-primary {
    background: var(--accent);
    color: #0b0f19;
    border-color: transparent;
}

.btn-primary:hover {
    background: var(--accent-hover);
}

.btn-teal {
    background: var(--teal);
    color: #042f2e;
    border-color: transparent;
}

.field {
    margin-bottom: 0.9rem;
}

.field label {
    display: block;
    font-size: 0.82rem;
    color: var(--muted);
    margin-bottom: 0.35rem;
    font-weight: 600;
}

.field input,
.field select,
.field textarea {
    width: 100%;
    padding: 0.6rem 0.75rem;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: #0b1020;
    color: var(--text);
    font-size: 0.9rem;
}

.case-pills {
    display: flex;
    gap: 0.45rem;
    flex-wrap: wrap;
    margin-bottom: 0.9rem;
}

.case-pill {
    padding: 0.4rem 0.75rem;
    border-radius: 8px;
    font-size: 0.8rem;
    border: 1px solid var(--border);
    background: var(--panel-alt);
    color: var(--text);
    cursor: pointer;
}

.case-pill.active {
    border-color: var(--accent);
    background: rgba(245, 158, 11, 0.18);
    color: #fde68a;
}

.status-box {
    margin-top: 0.9rem;
    padding: 0.85rem;
    border-radius: 10px;
    background: rgba(15, 23, 42, 0.85);
    border: 1px solid var(--border);
    font-size: 0.86rem;
    line-height: 1.5;
}

.scoreboard {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.6rem;
    margin-bottom: 1rem;
}

.score-tile {
    background: var(--panel-alt);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 0.65rem;
    text-align: center;
}

.score-tile strong {
    display: block;
    font-size: 1.25rem;
    color: var(--accent);
}

.score-tile span {
    font-size: 0.75rem;
    color: var(--muted);
}

.footer {
    margin-top: 2rem;
    padding: 1.25rem;
    border-top: 1px solid var(--border);
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    color: var(--muted);
    font-size: 0.85rem;
}

.hidden {
    display: none !important;
}