:root {
    /* Base surfaces */
    --bg: #0a0b12;
    --surface: rgba(255, 255, 255, 0.03);
    --surface-2: rgba(255, 255, 255, 0.06);
    --surface-3: rgba(255, 255, 255, 0.1);
    --border: rgba(255, 255, 255, 0.08);
    --border-2: rgba(255, 255, 255, 0.14);

    /* Text */
    --text: #ece9f3;
    --muted: #8a8fa6;

    /* Accents — Indigo × Coral */
    --accent: #6366f1;
    --accent-2: #fb7185;
    --accent-glow: rgba(99, 102, 241, 0.5);

    /* Status colours */
    --green: #34d399;
    --yellow: #fbbf24;
    --purple: #c084fc;
    --red: #fb7185;       /* aliased to --accent-2 */
    --grey: #6e7681;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    background:
        radial-gradient(800px 400px at 10% -10%, rgba(99, 102, 241, 0.28), transparent 50%),
        radial-gradient(700px 350px at 110% 110%, rgba(251, 113, 133, 0.22), transparent 55%),
        var(--bg);
    background-attachment: fixed;
    color: var(--text);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 13px;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
}

h1, h2, h3, h4 { margin: 0; font-weight: 600; }
h1 { font-size: 22px; letter-spacing: -0.02em; }
h2 { font-size: 16px; letter-spacing: -0.01em; }
h3 { font-size: 13px; }
h4 {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--muted);
    font-weight: 500;
}

.hidden { display: none !important; }
.muted { color: var(--muted); }
.mono { font-family: ui-monospace, 'SF Mono', Menlo, monospace; font-size: 12px; }
.num  { font-variant-numeric: tabular-nums; }

button { font-family: inherit; font-size: inherit; cursor: pointer; }

input, select {
    font-family: inherit;
    font-size: 12px;
    background: var(--bg);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 6px 10px;
    outline: none;
    transition: border-color 0.12s, box-shadow 0.12s;
}
input:focus, select:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}
input::placeholder { color: var(--muted); }

.btn-primary {
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    color: #fff;
    font-weight: 500;
    border: none;
    border-radius: 8px;
    padding: 6px 12px;
    font-size: 12px;
    box-shadow: 0 6px 20px -8px var(--accent-glow);
    transition: filter 0.12s, box-shadow 0.12s;
}
.btn-primary:hover  { filter: brightness(1.08); box-shadow: 0 8px 24px -8px var(--accent-glow); }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; filter: none; box-shadow: none; }

.btn-ghost {
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--text);
    border-radius: 8px;
    padding: 6px 12px;
    font-size: 12px;
    transition: background 0.12s, border-color 0.12s;
}
.btn-ghost:hover { background: var(--surface-2); border-color: var(--border-2); }

.btn-danger {
    background: transparent;
    border: 1px solid var(--red);
    color: var(--red);
    border-radius: 8px;
    padding: 6px 12px;
    font-size: 12px;
    transition: background 0.12s;
}
.btn-danger:hover { background: rgba(251, 113, 133, 0.1); }

.btn-icon {
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--text);
    border-radius: 8px;
    padding: 6px 9px;
    font-size: 13px;
    line-height: 1;
}
.btn-icon:hover { background: var(--surface-2); }