@import url('https://fonts.googleapis.com/css2?family=Kanit:wght@300;400;500;600;700&display=swap');

:root {
    --ku-pine: #12554b;
    --ku-pine-dark: #0b3d36;
    --ku-fresh: #a8c23f;
    --ku-cyan: #00c4cc;
    --bg: #f2f8f5;
    --surface: #ffffff;
    --text: #16302a;
    --text-muted: #5b7167;
    --border: #dfeae5;
}

* { box-sizing: border-box; }

body {
    font-family: 'Kanit', Arial, sans-serif;
    margin: 0;
    padding: 40px 20px;
    background: var(--bg);
    color: var(--text);
}

h1, h2 { color: var(--ku-pine); }

a { color: var(--ku-pine); }

.card {
    max-width: 400px;
    margin: 40px auto;
    padding: 30px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 16px;
    text-align: center;
    box-shadow: 0 8px 24px rgba(18, 85, 75, 0.08);
}

.card form {
    display: flex;
    flex-direction: column;
    gap: 8px;
    text-align: left;
}

.card label {
    font-size: 14px;
    color: var(--text-muted);
    margin-top: 6px;
}

.card input,
.card select {
    padding: 10px 12px;
    font-size: 16px;
    font-family: inherit;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--bg);
    color: var(--text);
}

.card input:focus,
.card select:focus {
    outline: none;
    border-color: var(--ku-cyan);
    box-shadow: 0 0 0 3px rgba(0, 196, 204, 0.2);
}

.card button,
button[type="submit"] {
    padding: 12px;
    font-size: 16px;
    font-family: inherit;
    font-weight: 600;
    margin-top: 10px;
    cursor: pointer;
    border: none;
    border-radius: 8px;
    background: linear-gradient(135deg, var(--ku-pine), var(--ku-cyan));
    color: #fff;
    transition: opacity 0.15s ease;
}

.card button:hover,
button[type="submit"]:hover {
    opacity: 0.9;
}

.success-sub {
    font-size: 14px;
    color: var(--text-muted);
    margin: 4px 0 0;
}

.success-title {
    margin: -6px 0 18px;
}

.divider {
    width: 56px;
    height: 3px;
    margin: 0 auto 18px;
    background: linear-gradient(135deg, var(--ku-pine), var(--ku-cyan));
    border-radius: 3px;
}

.queue-label {
    font-size: 14px;
    color: var(--text-muted);
    margin: 0 0 8px;
}

.queue-number {
    display: inline-block;
    min-width: 130px;
    padding: 10px 20px;
    margin: 0 0 18px;
    font-size: 56px;
    font-weight: bold;
    line-height: 1.1;
    color: var(--ku-pine);
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 14px;
    box-shadow: 0 4px 16px rgba(18, 85, 75, 0.1);
}

.queue-hint {
    font-size: 13px;
    color: var(--text-muted);
    margin: 0;
}

.error {
    color: #c0392b;
}