:root {
    --bg: #071c1d;
    --bg-2: #0f3d3e;
    --card: #123f41;
    --ink: #f7f5f0;
    --muted: #b7c7c4;
    --accent: #e8c547;
    --accent-ink: #1a2a12;
    --danger: #e07a5f;
    --ok: #7dce82;
    --line: rgba(255, 255, 255, 0.08);
    --radius: 16px;
    --font: "Segoe UI", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
    font-family: var(--font);
    background: radial-gradient(1200px 600px at 10% -10%, #165557, var(--bg));
    color: var(--ink);
}
a { color: var(--accent); text-decoration: none; }
h1, h2, h3 { margin: 0 0 0.6rem; font-weight: 650; }
p { margin: 0 0 1rem; }
hr { border: 0; border-top: 1px solid var(--line); margin: 1.2rem 0; }

#app { max-width: 980px; margin: 0 auto; padding: 1rem 1rem 5rem; }

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.75rem 0 1.25rem;
}
.brand { font-weight: 700; letter-spacing: 0.02em; }
.brand span { color: var(--accent); }
.nav { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.nav a, .nav button.link {
    color: var(--muted);
    background: none;
    border: 0;
    cursor: pointer;
    font: inherit;
    padding: 0.35rem 0.5rem;
}
.nav a.active, .nav a:hover { color: var(--ink); }

.card, .auth-card {
    background: #10393b;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 1.25rem;
    margin-bottom: 1rem;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.25);
}
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 1rem;
}
.muted { color: var(--muted); }
.small { font-size: 0.85rem; }
.center { text-align: center; }
.row {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    align-items: center;
}

label {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    font-size: 0.9rem;
    color: var(--muted);
    margin-bottom: 0.85rem;
}
input, select, textarea, button {
    font: inherit;
}
input, select, textarea {
    background: #0b2a2b;
    color: var(--ink);
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 0.65rem 0.75rem;
}
button, .btn {
    background: var(--accent);
    color: var(--accent-ink);
    border: 0;
    border-radius: 999px;
    padding: 0.65rem 1.1rem;
    font-weight: 650;
    cursor: pointer;
}
button.secondary, .btn.secondary {
    background: transparent;
    color: var(--ink);
    border: 1px solid var(--line);
}
button.danger { background: var(--danger); color: #fff; }
button:disabled { opacity: 0.5; cursor: not-allowed; }

.alert {
    border-radius: 10px;
    padding: 0.75rem 1rem;
    margin-bottom: 1rem;
}
.alert.error { background: rgba(224, 122, 95, 0.18); color: #ffd4c8; }
.alert.ok { background: rgba(125, 206, 130, 0.15); color: #c8f0cb; }

.slot {
    background: #0b2a2b;
    border: 1px solid var(--line);
    color: var(--ink);
    border-radius: 12px;
    padding: 0.6rem 0.8rem;
}
.slot.selected { border-color: var(--accent); background: #1b4d3e; }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 0.92rem; }
th, td { text-align: left; padding: 0.6rem 0.4rem; border-bottom: 1px solid var(--line); }
.badge {
    display: inline-block;
    padding: 0.15rem 0.5rem;
    border-radius: 999px;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}
.badge.confirmed { background: rgba(125, 206, 130, 0.2); color: var(--ok); }
.badge.cancelled { background: rgba(224, 122, 95, 0.2); color: var(--danger); }

.day-row {
    display: grid;
    grid-template-columns: 110px 1fr 1fr 90px 70px;
    gap: 0.5rem;
    align-items: end;
    margin-bottom: 0.75rem;
}
@media (max-width: 720px) {
    .day-row { grid-template-columns: 1fr 1fr; }
}

.auth-body { min-height: 100vh; display: grid; place-items: center; padding: 1rem; }
.auth-card { width: min(440px, 100%); }

.hero-stat {
    font-size: 0.9rem;
    color: var(--muted);
}
.hero-stat strong { color: var(--ink); font-size: 1.4rem; display: block; }