:root {
  --bg: #0a0e1a;
  --surface: #131929;
  --surface-alt: #1a2035;
  --header-bg: #0d1220;
  --accent: #4da6ff;
  --accent-hover: #2d8ce0;
  --text: #e6e6e6;
  --text-dim: #8899aa;
  --border: #2a3550;
  --ice-blue: #b8e0f7;
  --ice-glow: rgba(77, 166, 255, 0.12);

  --hockey: #ffe066;
  --hockey-bg: rgba(255, 224, 102, 0.38);
  --skating: #4dd0c8;
  --skating-bg: rgba(30, 160, 150, 0.50);
  --match: #ff5252;
  --match-bg: rgba(200, 40, 40, 0.55);
  --public: #82b1ff;
  --public-bg: rgba(50, 90, 180, 0.50);
  --closed: #888;
  --closed-bg: rgba(70, 75, 85, 0.60);
  --free: #69f0ae;
  --free-bg: rgba(40, 160, 90, 0.35);
  --school: #f48fb1;
  --school-bg: rgba(180, 60, 110, 0.50);

  --hour-h: 56px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  min-height: 100vh;
}

.container {
  max-width: 1680px;
  margin: 0 auto;
  padding: 0 16px 40px;
}

/* ── Header ─────────────────────── */
.top-bar {
  background: linear-gradient(180deg, var(--header-bg) 0%, var(--surface) 100%);
  border-bottom: 1px solid var(--border);
  padding: 12px 0;
  margin-bottom: 12px;
}
.top-bar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding-bottom: 0;
}
.top-bar h1 {
  font-size: 22px;
  font-weight: 700;
  color: var(--ice-blue);
  display: flex;
  align-items: center;
  gap: 10px;
}
.top-bar h1 .ice-icon { font-size: 28px; }
.top-bar .subtitle { font-size: 13px; color: var(--text-dim); }
.meta-info { font-size: 12px; color: var(--text-dim); text-align: right; }

/* ── Filtrering ─────────────────── */
.filter-bar {
  background: var(--surface-alt);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 8px 12px;
  margin-bottom: 10px;
}
.filter-bar label { font-size: 13px; color: var(--text-dim); }
.filter-bar input[type="text"] {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 13px;
  width: 220px;
}
.filter-bar input[type="text"]::placeholder { color: var(--text-dim); }
.filter-bar input[type="text"]:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--ice-glow);
}

/* ── Filter toggle (mobile collapse) ── */
.filter-toggle {
  display: none;  /* shown via media query on mobile */
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 4px 0;
  background: none;
  border: none;
  color: var(--text);
  font-size: 0.9rem;
  font-family: inherit;
  font-weight: 500;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}
.filter-toggle svg {
  width: 16px;
  height: 16px;
  transition: transform 0.2s;
  flex-shrink: 0;
}
.filter-toggle .ft-label { flex: 1; text-align: left; }
.filter-toggle .ft-badge {
  background: var(--accent);
  color: #000;
  font-size: 0.65rem;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 10px;
  min-width: 20px;
  text-align: center;
  display: none;
}
.filter-toggle .ft-chevron {
  transition: transform 0.2s;
}
.filter-bar.collapsed .ft-chevron {
  transform: rotate(-90deg);
}

/* Filter collapsible content */
.filter-collapsible {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.filter-bar.collapsed .filter-collapsible {
  display: none;
}

.toggle-group { display: flex; gap: 6px; }
.toggle-btn {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-dim);
  padding: 5px 12px;
  border-radius: 6px;
  font-size: 12px;
  cursor: pointer;
  transition: all 0.15s;
}
.toggle-btn.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.toggle-btn:hover { border-color: var(--accent); }

/* ── Veckonavigering (enrad) ─────── */
.week-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 10px;
}
.week-nav button {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-dim);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  font-size: 18px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  line-height: 1;
}
.week-nav button:hover { background: var(--surface-alt); color: var(--text); }
.week-nav button:disabled { opacity: 0.3; cursor: default; }
.week-nav button:disabled:hover { background: var(--surface); color: var(--text-dim); }
.week-nav .week-label {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  min-width: 200px;
  text-align: center;
}
.week-nav .week-label .wl-dim {
  color: var(--text-dim);
  font-weight: 400;
}

/* ── Legend ──────────────────────── */
.legend {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 10px;
  padding: 8px 12px;
  background: var(--surface);
  border-radius: 8px;
  border: 1px solid var(--border);
}
.legend-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--text-dim);
}
.legend-dot {
  width: 12px;
  height: 12px;
  border-radius: 3px;
}

/* ── Kalender-grid ──────────────── */
.calendar {
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface);
  overflow: auto;
  max-height: 78vh;
}
.cal-inner {
  min-width: 820px;
}

/* Header-rad med dagnamn */
.cal-header-row {
  display: grid;
  grid-template-columns: 52px repeat(7, 1fr);
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--surface);
  border-bottom: 2px solid var(--border);
}
.cal-gutter-hdr {
  border-right: 1px solid var(--border);
}
.cal-day-hdr {
  text-align: center;
  padding: 8px 4px 6px;
  border-left: 1px solid var(--border);
}
.cal-day-hdr .hdr-name {
  color: var(--text-dim);
  font-weight: 400;
  text-transform: uppercase;
  font-size: 10px;
  letter-spacing: 0.5px;
}
.cal-day-hdr .hdr-num {
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
  margin: 2px 0;
  line-height: 1.2;
}
.cal-day-hdr .hdr-month {
  font-size: 10px;
  color: var(--text-dim);
}
.cal-day-hdr.today .hdr-num {
  background: var(--accent);
  color: #fff;
  width: 32px;
  height: 32px;
  line-height: 32px;
  border-radius: 50%;
  margin: 2px auto;
  font-size: 16px;
}

/* Kropp (tidsgutter + 7 dagkolumner) */
.cal-body {
  display: grid;
  grid-template-columns: 52px repeat(7, 1fr);
  position: relative;
}
.cal-gutter {
  position: relative;
  border-right: 1px solid var(--border);
}
.cal-time {
  position: absolute;
  width: 100%;
  text-align: right;
  padding-right: 6px;
  font-size: 10px;
  color: var(--text-dim);
  line-height: 1;
  pointer-events: none;
  transform: translateY(-6px);
}
.cal-day {
  position: relative;
  border-left: 1px solid var(--border);
  background-image:
    linear-gradient(to bottom, var(--border) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(42, 53, 80, 0.35) 1px, transparent 1px);
  background-size: 100% var(--hour-h), 100% calc(var(--hour-h) / 2);
  background-position-y: 8px;
}
.cal-day.today {
  background-color: rgba(77, 166, 255, 0.04);
}

/* Nulinje (röd markör för aktuell tid) */
.cal-now {
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--match);
  z-index: 5;
  pointer-events: none;
}
.cal-now::before {
  content: '';
  position: absolute;
  left: -4px;
  top: -4px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--match);
}

/* ── Slot-block ─────────────────── */
.slot {
  position: absolute;
  left: 2px;
  right: 2px;
  border-radius: 5px;
  padding: 2px 5px;
  font-size: 11px;
  line-height: 1.3;
  overflow: hidden;
  cursor: default;
  z-index: 2;
  border-left: 3px solid transparent;
  transition: opacity 0.1s, box-shadow 0.15s;
}
/* Sida vid sida när båda hallar visas */
.slot.hall-left {
  right: calc(50% + 1px);
}
.slot.hall-right {
  left: calc(50% + 1px);
}
.slot:hover {
  opacity: 1 !important;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
  z-index: 4;
}
.slot .slot-time {
  font-weight: 700;
  font-size: 10px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.slot .slot-customer {
  font-weight: 700;
  font-size: 11px;
  color: #fff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.slot .slot-desc {
  font-size: 10px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.78);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.slot .slot-activity {
  font-style: italic;
  font-size: 10px;
  color: var(--text-dim);
}

/* Bokningstyp-färger */
.booking-hockey { background: var(--hockey-bg); border-left-color: var(--hockey); }
.booking-hockey .slot-time { color: var(--hockey); }
.booking-hockey .slot-customer { color: #fff8e1; }

.booking-skating { background: var(--skating-bg); border-left-color: var(--skating); }
.booking-skating .slot-time { color: var(--skating); }
.booking-skating .slot-customer { color: #e0f7fa; }

.booking-match { background: var(--match-bg); border-left-color: var(--match); }
.booking-match .slot-time { color: var(--match); }
.booking-match .slot-customer { color: #ffcdd2; }

.booking-public { background: var(--public-bg); border-left-color: var(--public); }
.booking-public .slot-time { color: var(--public); }
.booking-public .slot-customer { color: #e3f2fd; }

.booking-school { background: var(--school-bg); border-left-color: var(--school); }
.booking-school .slot-time { color: var(--school); }
.booking-school .slot-customer { color: #fce4ec; }

.booking-closed { background: var(--closed-bg); border-left-color: var(--closed); }
.booking-closed .slot-time { color: var(--closed); }
.booking-closed .slot-desc { color: rgba(255, 255, 255, 0.5); }

.booking-free { background: var(--free-bg); border-left-color: var(--free); }
.booking-free .slot-time { color: var(--free); }

.booking-other { background: rgba(255, 255, 255, 0.08); border-left-color: #999; }

.slot.hhc-highlight { border-left-width: 5px; }

/* Hall-indikator: vänsterkant visar vilken hall */
.slot.hall-holmen { border-left-color: #ff4466 !important; border-left-width: 5px; }
.slot.hall-internetport { border-left-color: #2ecc71 !important; border-left-width: 5px; }

/* ── Slot popup (mobil tap-info) ────── */
.slot-popup-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 1000;
  align-items: flex-end;
  justify-content: center;
}
.slot-popup-overlay.active { display: flex; }
.slot-popup {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px 14px 0 0;
  padding: 20px 20px 28px;
  width: 100%;
  max-width: 420px;
  color: var(--text);
  box-shadow: 0 -4px 24px rgba(0,0,0,0.4);
  animation: slideUp 0.2s ease-out;
}
@keyframes slideUp {
  from { transform: translateY(100%); }
  to { transform: translateY(0); }
}
.slot-popup .sp-time {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
}
.slot-popup .sp-hall {
  font-size: 0.8rem;
  color: var(--text-dim);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.slot-popup .sp-hall-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
}
.slot-popup .sp-customer {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 4px;
}
.slot-popup .sp-desc {
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-bottom: 4px;
}
.slot-popup .sp-activity {
  font-size: 0.8rem;
  font-style: italic;
  color: var(--text-dim);
}
.slot-popup .sp-close {
  position: absolute;
  top: 12px;
  right: 16px;
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 1.5rem;
  cursor: pointer;
  line-height: 1;
  padding: 4px;
}

/* ── Responsive: Tablet (≤ 900px) ─────── */
@media (max-width: 900px) {
  .container { padding: 0 12px; }
  .top-bar { padding: 14px 0; margin-bottom: 14px; }
  .top-bar h1 { font-size: 18px; }
  .top-bar h1 .ice-icon { font-size: 22px; }
  .top-bar .subtitle { font-size: 11px; }
  .meta-info { font-size: 10px; }
  .legend { gap: 6px 10px; padding: 8px 12px; font-size: 10px; }
  .legend-dot { width: 8px; height: 8px; }
  .week-nav .week-label { font-size: 13px; min-width: 160px; }
  .week-nav button { width: 28px; height: 28px; font-size: 16px; }
  .cal-body { grid-template-columns: 36px repeat(7, 1fr); }
  .cal-time { font-size: 9px; padding-right: 4px; }
  .cal-day-hdr { font-size: 10px; padding: 6px 2px; }
  .cal-day-hdr .hdr-num { font-size: 14px; }
  .slot { font-size: 9px; padding: 1px 3px; }
  .slot .slot-time { font-size: 8px; }
  .slot .slot-customer { font-size: 9px; }
  .slot .slot-desc { font-size: 8px; }
}

/* ── Responsive: Mobil (≤ 600px) ─────── */
@media (max-width: 600px) {
  .container { padding: 0 8px; }
  .top-bar { padding: 10px 0; margin-bottom: 10px; }
  .top-bar .container { gap: 6px; }
  .top-bar h1 { font-size: 16px; gap: 6px; }
  .top-bar h1 .ice-icon { font-size: 20px; }
  .top-bar .subtitle { display: none; }
  .meta-info { font-size: 9px; }

  .legend { gap: 4px 8px; padding: 6px 8px; font-size: 9px; flex-wrap: wrap; }
  .legend-dot { width: 7px; height: 7px; }

  /* Show filter toggle, collapse filter content */
  .filter-toggle { display: flex; }
  .filter-bar { padding: 10px 12px; margin-bottom: 10px; border-radius: 8px; }
  .filter-bar.collapsed { padding: 6px 12px; }
  .filter-bar label { display: none; }
  .filter-collapsible {
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    padding-top: 8px;
  }
  .filter-bar input[type="text"] {
    width: 100%;
    font-size: 14px;
    padding: 10px 12px;
    border-radius: 8px;
    background: #1a1a1a;
    border: 1px solid #444;
  }
  .toggle-group { flex-wrap: wrap; gap: 4px; }
  .toggle-btn { padding: 8px 12px; font-size: 12px; border-radius: 8px; flex: 1; text-align: center; }

  /* Week nav */
  .week-nav { gap: 8px; margin-bottom: 6px; }
  .week-nav .week-label { font-size: 12px; min-width: 140px; }
  .week-nav button { width: 28px; height: 28px; font-size: 14px; }

  /* Calendar grid: hide time gutter, shrink */
  .cal-body { grid-template-columns: 28px repeat(7, 1fr); }
  .cal-gutter { display: block; }
  .cal-time { font-size: 8px; padding-right: 2px; }
  .cal-day-hdr { font-size: 9px; padding: 4px 1px; }
  .cal-day-hdr .hdr-day { font-size: 9px; }
  .cal-day-hdr .hdr-num { font-size: 12px; }
  .cal-day-hdr.today .hdr-num { width: 24px; height: 24px; line-height: 24px; font-size: 12px; }
  :root { --hour-h: 40px; }
  .slot { font-size: 8px; padding: 1px 2px; border-left-width: 2px !important; left: 1px; right: 1px; }
  .slot .slot-time { font-size: 7px; }
  .slot .slot-customer { font-size: 8px; }
  .slot .slot-desc { display: none; }
}

/* ── Responsive: Smal mobil (≤ 400px) ──── */
@media (max-width: 400px) {
  .cal-body { grid-template-columns: 22px repeat(7, 1fr); }
  .cal-time { font-size: 7px; }
  .cal-day-hdr .hdr-day { display: none; }
  .cal-day-hdr .hdr-num { font-size: 11px; }
  :root { --hour-h: 34px; }
  .slot .slot-customer { font-size: 7px; }
  .week-nav button { width: 24px; height: 24px; font-size: 12px; }
  .week-nav .week-label { font-size: 11px; min-width: 120px; }
}