:root {
    color-scheme: light;
    --border: #d5d5d5;
    --text: #1a1a1a;
    --muted: #666;
    --accent: #2f5d8a;
    --bg: #fafafa;
    --danger: #a33;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.4;
}

.page {
    max-width: 640px;
    margin: 0 auto;
    padding: 1.5rem 1rem 3rem;
    text-align: left;
}

.page-narrow { max-width: 360px; }

h1 { font-size: 1.4rem; margin: 0 0 1rem; }
h2 { font-size: 1.1rem; margin: 2rem 0 0.75rem; }

.admin-nav {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.flash {
    background: #eef4ea;
    border: 1px solid #b9d6a8;
    padding: 0.6rem 0.8rem;
    border-radius: 4px;
    margin-bottom: 1rem;
}

.flash-error {
    background: #f7e7e7;
    border-color: #e0a8a8;
}

.slot {
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 0.9rem 1rem;
    margin-bottom: 0.9rem;
    background: #fff;
}

.slot-header {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem 0.8rem;
    align-items: baseline;
    margin-bottom: 0.5rem;
}

.slot-date { font-weight: 600; }
.slot-label { color: var(--text); }
.slot-count { color: var(--muted); font-size: 0.9rem; margin-left: auto; }

.slot-names {
    list-style: none;
    margin: 0 0 0.6rem;
    padding: 0;
}

.slot-names li {
    padding: 0.25rem 0;
    border-bottom: 1px dashed #eee;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.slot-full { color: var(--muted); font-style: italic; margin: 0.4rem 0 0; }

.signup-form, .admin-form {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.admin-form label {
    display: flex;
    flex-direction: column;
    font-size: 0.85rem;
    color: var(--muted);
    gap: 0.2rem;
}

input[type=text], input[type=password], input[type=date], input[type=number] {
    padding: 0.5rem;
    border: 1px solid var(--border);
    border-radius: 4px;
    font-size: 1rem;
}

button {
    padding: 0.5rem 0.9rem;
    border: none;
    border-radius: 4px;
    background: var(--accent);
    color: #fff;
    font-size: 1rem;
    cursor: pointer;
}

button:hover { opacity: 0.9; }

.inline-form { display: inline; margin: 0; }

.link-button {
    background: none;
    border: none;
    color: var(--accent);
    padding: 0;
    font-size: 0.85rem;
    text-decoration: underline;
    cursor: pointer;
}

.link-danger { color: var(--danger); }

.admin-slot { margin-bottom: 1.4rem; }
.admin-form-inline { margin-bottom: 0.4rem; }

.footer-link {
    margin-top: 1.5rem;
    font-size: 0.85rem;
    color: var(--muted);
}