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

:root {
    --bg-base: #ffffff;
    --blue-deep: #0d3b7a;
    --blue-mid: #1a5fb4;
    --blue-accent: #3d7cc9;
    --text-primary: #111827;
    --text-secondary: #374151;
    --text-muted: #6b7280;
    --border: #dce8f8;
    --font-heading: 'Cormorant Garamond', Georgia, serif;
    --font-body: 'Poppins', system-ui, sans-serif;
}

* { box-sizing: border-box; }
body {
    font-family: var(--font-body);
    color: var(--text-primary);
    background: var(--bg-base);
    margin: 0;
    line-height: 1.6;
}
.site-header {
    background: var(--blue-deep);
    color: #fff;
    padding: 2.5rem 1rem;
    text-align: center;
}
.site-header h1 { margin: 0 0 .4rem; font-family: var(--font-heading); font-weight: 600; font-size: 2.1rem; }
.site-header p { margin: 0; opacity: .9; }

main { max-width: 640px; margin: 0 auto; padding: 1.5rem 1rem 4rem; }

.site-link {
    background: #eaf2fd;
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: .9rem 1.25rem;
    margin-bottom: 1.5rem;
    font-size: .92rem;
    color: var(--text-secondary);
}
.site-link a { color: var(--blue-mid); font-weight: 600; text-decoration: none; }
.site-link a:hover { text-decoration: underline; }

.rules {
    background: #f5f9ff;
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 1.25rem 1.5rem;
    margin-bottom: 2rem;
}
.rules h2 { margin-top: 0; color: var(--blue-deep); font-family: var(--font-heading); font-weight: 600; font-size: 1.4rem; }
.rules ul { padding-left: 1.2rem; margin: 0; color: var(--text-secondary); }
.rules li { margin-bottom: .5rem; }

h2 { color: var(--blue-deep); font-family: var(--font-heading); font-weight: 600; font-size: 1.5rem; }

.cal-head {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: .75rem; font-weight: 600; text-transform: capitalize; color: var(--text-primary);
}
.cal-head button {
    background: var(--blue-mid); color: #fff; border: none; border-radius: 6px;
    width: 2rem; height: 2rem; cursor: pointer; font-size: 1rem;
}
.cal-head button:hover { background: var(--blue-deep); }
.cal-grid {
    display: grid; grid-template-columns: repeat(7, 1fr); gap: 4px;
}
.cal-weekdays { margin-bottom: 4px; }
.cal-weekday {
    text-align: center; font-size: .78rem; font-weight: 600;
    color: var(--text-muted); text-transform: uppercase;
}
.cal-cell {
    aspect-ratio: 1; display: flex; align-items: center; justify-content: center;
    border-radius: 6px; font-size: .9rem;
}
.cal-cell.empty { visibility: hidden; }
.cal-cell.unavailable { color: #cbd5e1; }
.cal-cell.available {
    background: #eaf2fd; color: var(--blue-deep); cursor: pointer; font-weight: 600;
    border: 1px solid var(--border);
}
.cal-cell.available:hover { background: var(--blue-mid); color: #fff; }

#slots { display: flex; flex-wrap: wrap; gap: .5rem; margin: 1rem 0 2rem; }
.slot-btn {
    background: #fff; border: 1px solid var(--blue-mid); color: var(--blue-mid);
    padding: .5rem 1rem; border-radius: 6px; cursor: pointer; font-weight: 600;
}
.slot-btn:hover { background: var(--blue-mid); color: #fff; }

form label { display: block; margin-bottom: .9rem; font-weight: 600; font-size: .95rem; color: var(--text-primary); }
form input, form textarea {
    display: block; width: 100%; margin-top: .3rem; padding: .55rem .7rem;
    border: 1px solid var(--border); border-radius: 6px; font-size: 1rem; font-weight: 400;
    font-family: var(--font-body); color: var(--text-primary);
}
form input:focus, form textarea:focus { outline: none; border-color: var(--blue-accent); }
form fieldset { border: 1px solid var(--border); border-radius: 8px; margin-bottom: 1rem; }
form .radio { display: flex; align-items: center; gap: .5rem; font-weight: 400; }
form .radio input { width: auto; margin: 0; }
form .hint { font-weight: 400; font-size: .85rem; color: var(--text-muted); margin-top: .3rem; }

button[type="submit"] {
    background: var(--blue-mid); color: #fff; border: none; padding: .8rem 1.5rem;
    border-radius: 8px; font-size: 1rem; font-weight: 600; cursor: pointer;
    font-family: var(--font-body);
}
button[type="submit"]:hover { background: var(--blue-deep); }
.error { color: #b91c1c; font-weight: 600; }

#confirmation { background: #eefdf3; border: 1px solid #bbf0ce; border-radius: 10px; padding: 1.5rem; }
#confirmation h2 { color: #15803d; }

footer { text-align: center; padding: 2rem 1rem; color: var(--text-muted); font-size: .9rem; }