:root {
    --bg: #f5f4ef;
    --surface: #fffdf7;
    --surface-strong: #ffffff;
    --text: #1e1b16;
    --muted: #635c53;
    --accent: #0e7c66;
    --accent-strong: #085848;
    --border: #d8d0c4;
    --danger: #9f1d1d;
    --radius: 14px;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "DM Sans", "Segoe UI", sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at 5% 10%, rgba(14, 124, 102, 0.09), transparent 26%),
        radial-gradient(circle at 95% 90%, rgba(194, 106, 32, 0.11), transparent 28%),
        var(--bg);
}

.booking-page {
    max-width: 1080px;
    margin: 0 auto;
    padding: 2.5rem 1rem 3rem;
}

.booking-header {
    margin-bottom: 1.5rem;
}

.back-link {
    display: inline-block;
    margin-bottom: 0.75rem;
    color: var(--accent-strong);
    text-decoration: none;
    font-weight: 600;
}

.booking-header h1 {
    margin: 0 0 0.5rem;
    line-height: 1.15;
    font-size: clamp(1.6rem, 4vw, 2.2rem);
}

.booking-summary {
    margin: 0;
    color: var(--muted);
}

.booking-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.panel {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1rem;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.04);
}

.panel h2 {
    margin: 0 0 1rem;
    font-size: 1.05rem;
}

.label {
    display: block;
    margin: 0.7rem 0 0.4rem;
    font-weight: 600;
}

.input {
    width: 100%;
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 0.62rem 0.72rem;
    font-size: 0.98rem;
    background: var(--surface-strong);
}

.input:focus,
.button:focus,
.slot:focus {
    outline: 2px solid rgba(14, 124, 102, 0.45);
    outline-offset: 2px;
}

.timezone-line {
    margin: 0.65rem 0;
    color: var(--muted);
}

.feedback {
    min-height: 1.2rem;
    margin-bottom: 0.6rem;
    color: var(--muted);
}

.feedback.error {
    color: var(--danger);
}

.slots {
    display: grid;
    gap: 0.55rem;
    grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
}

.slot {
    border: 1px solid var(--border);
    background: var(--surface-strong);
    padding: 0.55rem;
    border-radius: 10px;
    font-weight: 600;
    cursor: pointer;
}

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

.slot.is-selected {
    border-color: var(--accent);
    background: rgba(14, 124, 102, 0.11);
}

.button {
    margin-top: 1rem;
    width: 100%;
    border: 0;
    border-radius: 12px;
    padding: 0.74rem;
    background: var(--accent);
    color: #fff;
    font-weight: 700;
    font-size: 0.98rem;
    cursor: pointer;
}

.anti-bot {
    margin-top: 0.75rem;
    padding: 0.65rem 0.7rem;
    border: 1px dashed var(--border);
    border-radius: 10px;
    background: rgba(14, 124, 102, 0.04);
}

.anti-bot .feedback {
    margin: 0 0 0.45rem;
}

.button:hover {
    background: var(--accent-strong);
}

.button:disabled {
    opacity: 0.6;
    cursor: wait;
}

.panel-confirmation {
    margin-top: 1rem;
}

.panel-confirmation h3 {
    margin-top: 0;
}

.confirmation-grid {
    display: grid;
    gap: 0.45rem;
    font-size: 0.95rem;
}

.confirmation-grid strong {
    color: var(--text);
}

.is-hidden {
    display: none;
}

@media (max-width: 900px) {
    .booking-layout {
        grid-template-columns: 1fr;
    }
}