/* ── CSS Custom Properties ───────────────────────────────────────────────── */
:root {
    --ctth-primary:    #1a5c2e;
    --ctth-accent:     #d4af37;
    --ctth-bg:         #f8f9fa;
    --ctth-card:       #ffffff;
    --ctth-text:       #1a1a1a;
    --ctth-muted:      #6c757d;
    --ctth-border:     #dee2e6;
    --ctth-radius:     8px;
    --ctth-shadow:     0 2px 12px rgba(0,0,0,.08);
    --ctth-input-bg:   #fff;
}

/* ── Wrapper ─────────────────────────────────────────────────────────────── */
.ctth-wrap {
    max-width: 720px;
    margin: 0 auto;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* ── Cards ───────────────────────────────────────────────────────────────── */
.ctth-register-card,
.ctth-leaderboard-card {
    background: var(--ctth-card);
    border-radius: var(--ctth-radius);
    box-shadow: var(--ctth-shadow);
    padding: 2rem;
    margin-bottom: 2rem;
}

/* ── Logo ────────────────────────────────────────────────────────────────── */
.ctth-logo-wrap {
    text-align: center;
    margin-bottom: 1.25rem;
}

.ctth-logo {
    max-height: 80px;
    max-width: 100%;
    width: auto;
    display: inline-block;
}

/* ── Title ───────────────────────────────────────────────────────────────── */
.ctth-title {
    color: var(--ctth-primary);
    font-size: 1.6rem;
    font-weight: 700;
    margin: 0 0 .4rem;
    border-bottom: 3px solid var(--ctth-accent);
    padding-bottom: .5rem;
}

.ctth-subtitle {
    color: var(--ctth-muted);
    margin: 0 0 1.5rem;
    font-size: .95rem;
}

/* ── Form Fields ─────────────────────────────────────────────────────────── */
.ctth-fields {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.ctth-field {
    display: flex;
    flex-direction: column;
    gap: .35rem;
}

.ctth-field-half { flex: 1 1 calc(50% - .5rem); min-width: 180px; }
.ctth-field-full { flex: 1 1 100%; }

.ctth-field label {
    font-size: .85rem;
    font-weight: 600;
    color: var(--ctth-text);
}

.ctth-field input,
.ctth-field select {
    padding: .6rem .85rem;
    border: 1.5px solid var(--ctth-border);
    border-radius: 5px;
    font-size: .95rem;
    background: var(--ctth-input-bg);
    color: var(--ctth-text);
    width: 100%;
    box-sizing: border-box;
    transition: border-color .15s;
}

.ctth-field input:focus,
.ctth-field select:focus {
    outline: none;
    border-color: var(--ctth-primary);
    box-shadow: 0 0 0 3px rgba(26,92,46,.12);
}

.ctth-req { color: #dc3545; }

/* ── Consent Disclaimer ──────────────────────────────────────────────────── */
.ctth-consent {
    margin: 1.25rem 0 1rem;
    padding: .75rem 1rem;
    background: #f1f3f5;
    border-left: 3px solid var(--ctth-accent);
    border-radius: 4px;
    font-size: .8rem;
    color: var(--ctth-muted);
    line-height: 1.5;
}

.ctth-consent strong {
    color: var(--ctth-text);
}

/* ── Submit Button ───────────────────────────────────────────────────────── */
.ctth-btn {
    display: inline-block;
    padding: .75rem 2rem;
    border: none;
    border-radius: 5px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background .15s, transform .1s;
}

.ctth-btn-submit {
    background: var(--ctth-primary);
    color: #fff;
}

.ctth-btn-submit:hover {
    background: #154d26;
    transform: translateY(-1px);
}

.ctth-btn-submit:disabled {
    opacity: .6;
    cursor: default;
    transform: none;
}

/* ── Message ─────────────────────────────────────────────────────────────── */
.ctth-message {
    margin-top: 1rem;
    padding: .75rem 1rem;
    border-radius: 5px;
    font-size: .9rem;
}

.ctth-message.ctth-success {
    background: #d1e7dd;
    color: #0a3622;
    border: 1px solid #a3cfbb;
}

.ctth-message.ctth-error {
    background: #f8d7da;
    color: #58151c;
    border: 1px solid #f1aeb5;
}

/* ── Leaderboard Table ───────────────────────────────────────────────────── */
.ctth-empty {
    color: var(--ctth-muted);
    font-style: italic;
    text-align: center;
    padding: 2rem 0;
}

.ctth-table-wrap {
    overflow-x: auto;
}

.ctth-table {
    width: 100%;
    border-collapse: collapse;
    font-size: .95rem;
}

.ctth-table thead th {
    background: var(--ctth-primary);
    color: #fff;
    padding: .75rem 1rem;
    text-align: left;
    font-weight: 600;
    font-size: .8rem;
    text-transform: uppercase;
    letter-spacing: .05em;
}

.ctth-table tbody tr {
    border-bottom: 1px solid var(--ctth-border);
    transition: background .1s;
}

.ctth-table tbody tr:hover {
    background: #f8f9fa;
}

.ctth-table tbody td {
    padding: .75rem 1rem;
    color: var(--ctth-text);
}

.ctth-row-first td {
    background: #fffbeb;
    font-weight: 700;
}

.ctth-col-rank {
    width: 60px;
    text-align: center;
    font-weight: 700;
    color: var(--ctth-primary);
}

.ctth-trophy {
    font-size: 1.3rem;
}

.ctth-col-score {
    font-family: 'Georgia', serif;
    font-weight: 600;
    color: var(--ctth-primary);
}

/* ── Queue ───────────────────────────────────────────────────────────────── */
.ctth-queue {
    margin-top: 1.5rem;
    background: var(--ctth-card);
    border-radius: var(--ctth-radius);
    box-shadow: var(--ctth-shadow);
    overflow: hidden;
}

.ctth-queue-title {
    background: var(--ctth-primary);
    color: #fff;
    margin: 0;
    padding: .7rem 1.2rem;
    font-size: .85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .08em;
    font-family: sans-serif;
}

.ctth-queue-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.ctth-queue-list li {
    padding: .65rem 1.2rem;
    border-bottom: 1px solid var(--ctth-border);
    font-family: 'Georgia', serif;
    font-size: .95rem;
    color: var(--ctth-text);
}

.ctth-queue-list li:last-child {
    border-bottom: none;
}

/* ── Responsive ──────────────────────────────────────────────────────────── */
@media (max-width: 600px) {
    .ctth-register-card,
    .ctth-leaderboard-card {
        padding: 1.25rem;
    }

    .ctth-field-half {
        flex: 1 1 100%;
    }

    .ctth-table thead th,
    .ctth-table tbody td {
        padding: .5rem .6rem;
        font-size: .85rem;
    }

    .ctth-col-company {
        display: none;
    }
}