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

:root {
    --bg:           #F7F7F7;
    --card:         #FFFFFF;
    --ink:          #171717;
    --ink-soft:     #6B6B6B;
    --accent:       #171717;
    --accent-dark:  #000000;
    --accent-soft:  #ECECEC;
    --muted:        #9CA3AF;
    --danger:       #B3261E;
    --border:       #E2E2E2;
    --radius:       10px;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--ink);
    font-family: 'Inter', -apple-system, sans-serif;
    font-size: 15px;
    line-height: 1.5;
}

h1, h2, h3 {
    font-family: 'Inter', -apple-system, sans-serif;
    font-weight: 700;
    letter-spacing: -0.01em;
    color: var(--ink);
    margin: 0 0 0.5em;
}

h1 { font-size: 1.9rem; }
h2 { font-size: 1.25rem; }

a { color: var(--accent-dark); }

.page {
    max-width: 860px;
    margin: 0 auto;
    padding: 2rem 1.25rem 4rem;
}

.page-narrow {
    max-width: 460px;
    margin: 0 auto;
    padding: 3rem 1.25rem 4rem;
}

.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
}

/* Nav */
.nav {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border);
    background: var(--card);
}
.nav .brand {
    font-family: 'Inter', sans-serif;
    font-weight: 700;
    font-size: 1.1rem;
    margin-right: auto;
}
.nav a {
    text-decoration: none;
    color: var(--ink-soft);
    font-weight: 500;
    font-size: 0.92rem;
}
.nav a.active, .nav a:hover { color: var(--accent-dark); }

/* Forms */
label {
    display: block;
    font-size: 0.85rem;
    color: var(--ink-soft);
    margin: 0.9rem 0 0.3rem;
}
input, select, textarea {
    width: 100%;
    padding: 0.6rem 0.75rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 0.95rem;
    font-family: inherit;
    background: var(--card);
    color: var(--ink);
}
textarea { resize: vertical; }
input:focus, select:focus, textarea:focus, button:focus {
    outline: 2px solid var(--accent);
    outline-offset: 1px;
}

.btn {
    display: inline-block;
    border: none;
    border-radius: 8px;
    padding: 0.65rem 1.1rem;
    font-size: 0.92rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    background: var(--accent);
    color: #fff;
}
.btn:hover { background: var(--accent-dark); }
.btn-secondary {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--ink);
}
.btn-secondary:hover { border-color: var(--accent); }
.btn-danger { background: transparent; color: var(--danger); border: 1px solid var(--danger); }
.btn-danger:hover { background: var(--danger); color: #fff; }
.btn-block { width: 100%; margin-top: 1.25rem; }

/* Tables */
table { width: 100%; border-collapse: collapse; margin-top: 1rem; }
th, td {
    text-align: left;
    padding: 0.65rem 0.5rem;
    border-bottom: 1px solid var(--border);
    font-size: 0.92rem;
}
th { color: var(--ink-soft); font-weight: 600; font-size: 0.8rem; text-transform: none; }

.tag {
    display: inline-block;
    padding: 0.15rem 0.55rem;
    border-radius: 20px;
    font-size: 0.78rem;
    font-weight: 500;
}
.tag-open      { background: var(--accent-soft); color: var(--ink); }
.tag-booked    { background: var(--ink); color: #fff; }
.tag-cancelled { background: transparent; color: var(--muted); border: 1px solid var(--border); text-decoration: line-through; }
.tag-trial     { background: var(--accent-soft); color: var(--ink); border: 1px dashed var(--ink-soft); }
.tag-paused    { background: transparent; color: var(--muted); border: 1px solid var(--border); }
.tag-expired   { background: transparent; color: var(--danger); border: 1px solid var(--danger); }
.booking-note  { display: block; font-size: 0.78rem; color: var(--ink-soft); margin-top: 0.15rem; font-weight: 400; }

.error   { color: var(--danger); font-size: 0.9rem; margin: 0.75rem 0; }
.hint    { color: var(--ink-soft); font-size: 0.85rem; }
.empty   { color: var(--ink-soft); padding: 1.5rem 0; }
code     { background: var(--accent-soft); border-radius: 4px; padding: 0.1rem 0.35rem; font-size: 0.85em; }

/* Shareable link box (admin + merchant "share link" page) */
.link-box { display: flex; gap: 0.5rem; align-items: center; flex-wrap: wrap; }
.link-box input {
    flex: 1;
    min-width: 12rem;
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 0.85rem;
}
.qr-wrap { display: flex; flex-direction: column; align-items: flex-start; gap: 0.6rem; margin-top: 0.5rem; }
.qr-wrap img { border: 1px solid var(--border); border-radius: var(--radius); padding: 0.5rem; background: #fff; }

/* Public booking flow */
.steps { display: flex; gap: 0.4rem; margin-bottom: 1.75rem; }
.step-dot {
    flex: 1;
    height: 4px;
    border-radius: 2px;
    background: var(--border);
}
.step-dot.done { background: var(--accent); }

.option-btn {
    display: block;
    width: 100%;
    text-align: left;
    padding: 0.85rem 1rem;
    margin-bottom: 0.6rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--card);
    font-family: inherit;
    font-size: 0.95rem;
    color: var(--ink);
    cursor: pointer;
}
.option-btn:hover { border-color: var(--accent); background: var(--accent-soft); }
.option-btn .meta { display: block; color: var(--ink-soft); font-size: 0.82rem; margin-top: 0.15rem; }

/* Calendar (dashboard > Slots, dashboard > Bookings, public booking page) */
.cal-wrap { padding: 1.25rem; }
.cal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}
.cal-header h2 { margin: 0; }
.btn-small { padding: 0.35rem 0.7rem; font-size: 0.85rem; line-height: 1; }
.cal-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 0.3rem;
}
.cal-dow {
    text-align: center;
    font-size: 0.72rem;
    color: var(--ink-soft);
    font-weight: 600;
    padding-bottom: 0.3rem;
}
.cal-day {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    gap: 0.25rem;
    aspect-ratio: 1;
    border-radius: 8px;
    border: 1px solid transparent;
    background: none;
    text-decoration: none;
    color: var(--ink);
    padding: 0.4rem 0.2rem 0.3rem;
    font: inherit;
    font-size: 0.85rem;
    cursor: pointer;
}
.cal-day:not(:disabled):hover { border-color: var(--accent); }
.cal-day-empty { visibility: hidden; }
.cal-day-disabled,
.cal-day:disabled {
    opacity: 0.32;
    cursor: default;
}
.cal-day.today .cal-daynum { color: var(--accent-dark); font-weight: 700; }
.cal-day.selected { background: var(--accent-soft); border-color: var(--accent); }
.cal-dots { display: flex; gap: 3px; }
.dot { width: 6px; height: 6px; border-radius: 50%; display: inline-block; }
.dot-open { background: var(--accent); }
.dot-booked { background: var(--muted); }

#time-rows input:not(:first-child) { margin-top: 0.5rem; }

.confirm-box {
    text-align: center;
    padding: 2rem 1rem;
}
.confirm-box .mark {
    width: 48px; height: 48px;
    border-radius: 50%;
    background: var(--accent);
    color: #fff;
    display: flex; align-items: center; justify-content: center;
    margin: 0 auto 1rem;
    font-size: 1.3rem;
}