/* ============================================================
   Sitzplanreservierung - Styles
   ============================================================ */

:root {
    --clr-bg: #f0f2f5;
    --clr-surface: #ffffff;
    --clr-text: #1a1a2e;
    --clr-text-muted: #6b7280;
    --clr-primary: #2563eb;
    --clr-primary-hover: #1d4ed8;
    --clr-danger: #dc2626;
    --clr-danger-hover: #b91c1c;
    --clr-success: #16a34a;
    --clr-border: #e5e7eb;
    --clr-seat-free: #facc15;
    --clr-seat-free-border: #ca8a04;
    --clr-seat-selected: #22c55e;
    --clr-seat-selected-border: #15803d;
    --clr-seat-locked: #f97316;
    --clr-seat-locked-border: #c2410c;
    --clr-seat-reserved: #94a3b8;
    --clr-seat-reserved-border: #64748b;
    --clr-table: #d1d5db;
    --radius: 8px;
    --shadow: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
    --shadow-lg: 0 4px 16px rgba(0,0,0,.1);
    --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; }
body {
    font-family: var(--font);
    background: var(--clr-bg);
    color: var(--clr-text);
    line-height: 1.5;
    min-height: 100vh;
}

/* --- Layout --- */
.container { max-width: 960px; margin: 0 auto; padding: 1.5rem; }
.container-wide { max-width: 1280px; }

/* --- Navbar --- */
.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: .75rem 1.5rem;
    background: var(--clr-surface);
    border-bottom: 1px solid var(--clr-border);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
    flex-wrap: wrap;
    gap: .5rem;
}
.nav-brand {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--clr-text);
    text-decoration: none;
}
.nav-links {
    display: flex;
    align-items: center;
    gap: .75rem;
    flex-wrap: wrap;
}
.nav-user { font-size: .85rem; color: var(--clr-text-muted); }
.nav-event-name { font-size: .85rem; color: var(--clr-text-muted); font-weight: 600; }

/* --- Page Header --- */
.page-header { margin-bottom: 2rem; }
.page-header h1 { font-size: 1.75rem; margin-bottom: .25rem; }
.page-header p { color: var(--clr-text-muted); }

/* --- Cards --- */
.card {
    background: var(--clr-surface);
    border-radius: var(--radius);
    padding: 1.5rem;
    box-shadow: var(--shadow);
    margin-bottom: 1.5rem;
}
.card h2 { font-size: 1.25rem; margin-bottom: 1rem; }
.card h3 { font-size: 1.1rem; margin-bottom: .75rem; }

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    padding: .5rem 1rem;
    border: 1px solid var(--clr-border);
    border-radius: 6px;
    background: var(--clr-surface);
    color: var(--clr-text);
    font-size: .9rem;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    transition: all .15s;
    white-space: nowrap;
}
.btn:hover { background: #f3f4f6; }
.btn-primary { background: var(--clr-primary); color: #fff; border-color: var(--clr-primary); }
.btn-primary:hover { background: var(--clr-primary-hover); }
.btn-danger { background: var(--clr-danger); color: #fff; border-color: var(--clr-danger); }
.btn-danger:hover { background: var(--clr-danger-hover); }
.btn-outline { background: transparent; }
.btn-outline:hover { background: #f3f4f6; }
.btn-sm { padding: .3rem .7rem; font-size: .8rem; }
.btn-edit-res { background: #2563eb; color: #fff; border-color: #2563eb; }
.btn-edit-res:hover { background: #1d4ed8; }
.btn-lg { padding: .7rem 1.5rem; font-size: 1rem; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

/* --- Forms --- */
.form-group { margin-bottom: 1rem; }
.form-group label {
    display: block;
    margin-bottom: .3rem;
    font-weight: 600;
    font-size: .9rem;
    color: var(--clr-text);
}
.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: .55rem .75rem;
    border: 1px solid var(--clr-border);
    border-radius: 6px;
    font-size: .9rem;
    font-family: inherit;
    transition: border-color .15s;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--clr-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, .1);
}
.form-row {
    display: flex;
    gap: 1rem;
}
.form-row .form-group { flex: 1; }

/* --- Alerts --- */
.alert {
    padding: .75rem 1rem;
    border-radius: var(--radius);
    margin-bottom: 1rem;
    font-size: .9rem;
}
.alert-error { background: #fee2e2; color: #991b1b; border: 1px solid #fecaca; }
.alert-success { background: #d1fae5; color: #065f46; border: 1px solid #a7f3d0; }

/* --- Tables --- */
.table-responsive { overflow-x: auto; }
.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: .875rem;
}
.data-table th,
.data-table td {
    padding: .6rem .75rem;
    text-align: left;
    border-bottom: 1px solid var(--clr-border);
}
.data-table th {
    font-weight: 600;
    color: var(--clr-text-muted);
    font-size: .8rem;
    text-transform: uppercase;
    letter-spacing: .03em;
}
.data-table tbody tr:hover { background: #f9fafb; }

/* --- Event Grid --- */
.event-grid {
    display: grid;
    gap: 1rem;
}
.event-card {
    display: flex;
    background: var(--clr-surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    text-decoration: none;
    color: var(--clr-text);
    overflow: hidden;
    transition: box-shadow .2s, transform .2s;
}
.event-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}
.event-date {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 1.25rem 1.5rem;
    background: var(--clr-primary);
    color: #fff;
    min-width: 100px;
}
.event-date .day { font-size: 2rem; font-weight: 700; line-height: 1; }
.event-date .month { font-size: .85rem; text-transform: uppercase; font-weight: 600; }
.event-date .year { font-size: .75rem; opacity: .8; }
.event-date .time { font-size: .8rem; font-weight: 600; margin-top: .25rem; opacity: .9; }
.event-info {
    padding: 1.25rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}
.event-info h2 { font-size: 1.15rem; margin-bottom: .4rem; }
.event-info p { color: var(--clr-text-muted); font-size: .9rem; flex: 1; margin-bottom: .5rem; }

/* ============================================================
   SEATING PLAN
   ============================================================ */

.plan-wrapper {
    position: relative;
    background: var(--clr-surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 3rem 2.5rem 2rem;
    margin-bottom: 1.5rem;
}

.plan-scroll {
    overflow-x: auto;
}

.plan-label {
    position: absolute;
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--clr-text-muted);
    text-transform: uppercase;
    letter-spacing: .08em;
}
.plan-label-top { top: .75rem; left: 50%; transform: translateX(-50%); }
.plan-label-left { left: .75rem; top: 50%; transform: translateY(-50%) rotate(-90deg); }
.plan-label-right { right: .75rem; top: 50%; transform: translateY(-50%) rotate(90deg); }

.plan-legend {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}
.legend-item {
    display: flex;
    align-items: center;
    gap: .4rem;
    font-size: .85rem;
    color: var(--clr-text-muted);
}
.legend-dot {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    border: 2px solid;
}
.legend-dot.free { background: var(--clr-seat-free); border-color: var(--clr-seat-free-border); }
.legend-dot.selected { background: var(--clr-seat-selected); border-color: var(--clr-seat-selected-border); }
.legend-dot.locked { background: var(--clr-seat-locked); border-color: var(--clr-seat-locked-border); }
.legend-dot.reserved { background: var(--clr-seat-reserved); border-color: var(--clr-seat-reserved-border); }

/* Seating grid: tables arranged in rows */
.seating-plan {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    min-width: 700px;
}
.table-row {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: nowrap;
}

/* Single table */
.table-unit {
    display: flex;
    align-items: flex-start;
    gap: 0;
    position: relative;
}
.table-rect {
    width: 60px;
    min-height: 200px;
    background: var(--clr-table);
    border: 2px solid #b0b5be;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--clr-text-muted);
    position: relative;
    z-index: 1;
}

/* Seat columns */
.seats-column {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: 4px 0;
}
.seats-left { align-items: flex-end; padding-right: 4px; }
.seats-right { align-items: flex-start; padding-left: 4px; }

/* Individual seat */
.seat {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    border: 2px solid var(--clr-seat-free-border);
    background: var(--clr-seat-free);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: .65rem;
    font-weight: 700;
    cursor: pointer;
    transition: transform .1s, box-shadow .1s;
    position: relative;
    user-select: none;
    color: #333;
    z-index: 2;
}
.seat:hover {
    transform: scale(1.15);
    box-shadow: 0 2px 8px rgba(0,0,0,.2);
    z-index: 5;
}

.seat.selected {
    background: var(--clr-seat-selected);
    border-color: var(--clr-seat-selected-border);
    color: #fff;
}
.seat.locked {
    background: var(--clr-seat-locked);
    border-color: var(--clr-seat-locked-border);
    cursor: not-allowed;
    color: #fff;
}
.seat.locked.mine {
    background: var(--clr-seat-selected);
    border-color: var(--clr-seat-selected-border);
    cursor: pointer;
    color: #fff;
}
.seat.reserved {
    background: var(--clr-seat-reserved);
    border-color: var(--clr-seat-reserved-border);
    cursor: not-allowed;
    color: #fff;
}

/* Reservation panel */
.reservation-panel {
    max-width: 600px;
    margin: 0 auto 2rem;
}

/* Staff reservation highlight */
.seat.staff-highlight {
    box-shadow: 0 0 0 3px var(--clr-primary), 0 0 12px rgba(37,99,235,.3);
}

/* Clickable row in reservation list */
.data-table tbody tr.clickable { cursor: pointer; }
.data-table tbody tr.clickable:hover { background: #eef2ff; }
.data-table tbody tr.row-active { background: #e0e7ff; }
.data-table tbody tr.row-editing {
    background: #dbeafe;
    box-shadow: inset 3px 0 0 #2563eb;
}
.data-table tbody tr.row-editing td:first-child::before {
    content: '✏️ ';
}

/* Toggle buttons (present/paid) */
.btn-toggle {
    background: none;
    border: none;
    font-size: 1.1rem;
    cursor: pointer;
    padding: .2rem .4rem;
    border-radius: 4px;
    transition: background .15s;
    line-height: 1;
}
.btn-toggle:hover { background: #f3f4f6; }

/* Responsive */
@media (max-width: 768px) {
    .form-row { flex-direction: column; gap: 0; }
    .plan-wrapper { padding: 2.5rem 1rem 1rem; }
    .navbar { padding: .5rem 1rem; }
    .nav-links { gap: .5rem; }
    .table-row { gap: 1rem; }
    .seat { width: 26px; height: 26px; font-size: .6rem; }
    .seats-column { gap: 6px; }
    .table-rect { width: 50px; font-size: 1rem; }
}

/* Tooltip for reserved seats (staff) */
.seat[title] { position: relative; }