:root {
  color-scheme: light dark;
  --bg: #f6f7f9;
  --panel: #ffffff;
  --text: #0e1218;
  --muted: #647082;
  --border: #e0e5ec;
  --accent: #2563eb;
  --danger: #dc2626;
  --ok: #16a34a;
  --shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
  --radius: 16px;
  --px-per-min: 1.2px;
  --cat-0: #0ea5e9;
  --cat-1: #22c55e;
  --cat-2: #f97316;
  --cat-3: #e11d48;
  --cat-4: #14b8a6;
  --cat-5: #facc15;
  --cat-6: #8b5cf6;
  --cat-7: #64748b;
  --safe-top: env(safe-area-inset-top);
  --safe-bottom: env(safe-area-inset-bottom);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b0d10;
    --panel: #12151b;
    --text: #e6edf3;
    --muted: #9aa7b5;
    --border: #1f2632;
    --accent: #38bdf8;
    --danger: #f87171;
    --ok: #4ade80;
    --shadow: 0 20px 40px rgba(0, 0, 0, 0.35);
  }
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-size: 16px;
}

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.5;
  overflow-x: hidden;
  -webkit-tap-highlight-color: transparent;
}

a {
  color: inherit;
  text-decoration: none;
}

img, svg, video {
  max-width: 100%;
  height: auto;
  display: block;
}

button, input, select, textarea {
  font: inherit;
}

.layout {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  line-height: 1.5;
  overflow-x: hidden;
  -webkit-tap-highlight-color: transparent;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: calc(16px + var(--safe-top)) 16px 16px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.brand .title {
  font-size: 20px;
  font-weight: 700;
}

.brand .subtitle {
  font-size: 13px;
  color: var(--muted);
}

.actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px 16px 60px;
  width: 100%;
}

.week-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin: 10px 0 20px;
  flex-wrap: wrap;
}

.week-label {
  font-weight: 600;
  font-size: 16px;
}

.week-controls input[type="date"] {
  min-width: 160px;
}

.btn {
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  padding: 10px 16px;
  border-radius: 999px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.08s ease, box-shadow 0.2s ease, background 0.2s ease;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  touch-action: manipulation;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(1px);
}

.btn:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.btn.primary {
  background: var(--accent);
  color: #fff;
  border-color: transparent;
}

.btn.ghost {
  background: transparent;
}

.icon-btn {
  border: none;
  background: transparent;
  font-size: 20px;
  cursor: pointer;
  color: var(--muted);
  min-width: 44px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
  margin-bottom: 20px;
}

.panel.ok {
  border-color: color-mix(in srgb, var(--ok) 60%, var(--border));
  background: color-mix(in srgb, var(--ok) 8%, var(--panel));
}

.panel.warning {
  border-color: color-mix(in srgb, var(--danger) 60%, var(--border));
  background: color-mix(in srgb, var(--danger) 8%, var(--panel));
}

.panel.narrow {
  max-width: 420px;
  margin: 40px auto;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
}

.form {
  display: grid;
  gap: 12px;
}

.switch-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 14px;
}

.switch {
  position: relative;
  display: inline-flex;
  align-items: center;
  width: 52px;
  height: 32px;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.switch .slider {
  position: absolute;
  inset: 0;
  background: var(--border);
  border-radius: 999px;
  transition: background 0.2s ease;
}

.switch .slider::before {
  content: "";
  position: absolute;
  height: 24px;
  width: 24px;
  left: 4px;
  top: 4px;
  background: var(--panel);
  border-radius: 999px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
  transition: transform 0.2s ease;
}

.switch input:checked + .slider {
  background: var(--accent);
}

.switch input:checked + .slider::before {
  transform: translateX(20px);
}

.switch input:focus-visible + .slider {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

label {
  display: grid;
  gap: 6px;
  font-size: 14px;
}

input, select {
  width: 100%;
  height: 44px;
  border-radius: 12px;
  border: 1px solid var(--border);
  padding: 0 12px;
  background: transparent;
  color: var(--text);
}

textarea {
  width: 100%;
  min-height: 80px;
  border-radius: 12px;
  border: 1px solid var(--border);
  padding: 10px 12px;
  background: transparent;
  color: var(--text);
  font-family: inherit;
  resize: vertical;
}

input:focus, select:focus {
  outline: 2px solid rgba(37, 99, 235, 0.3);
  border-color: var(--accent);
}

.hint {
  font-size: 12px;
  color: var(--muted);
}

.btn.tiny {
  padding: 6px 10px;
  font-size: 12px;
  border-radius: 10px;
}

.time-row {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 8px;
  align-items: center;
}
.warning {
  font-size: 12px;
  color: var(--danger);
  display: none;
}

.warning.show {
  display: block;
}

.calendar {
  display: none;
  grid-template-columns: 80px 1fr;
  gap: 12px;
}

.calendar-wrap {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.time-col {
  display: grid;
  grid-template-rows: 40px 1fr;
}

.time-header {
  height: 40px;
}

.time-labels {
  position: relative;
  height: calc(var(--total-minutes) * var(--px-per-min));
  border-right: 1px solid var(--border);
}

.time-label {
  position: absolute;
  left: 0;
  font-size: 12px;
  color: var(--muted);
  transform: translateY(-6px);
}

.day-cols {
  display: grid;
  grid-template-columns: repeat(7, minmax(140px, 1fr));
  gap: 8px;
}

.day-col {
  display: grid;
  grid-template-rows: 40px 1fr;
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  background: var(--panel);
  position: relative;
}

.day-header {
  position: sticky;
  top: 0;
  background: var(--panel);
  padding: 10px;
  font-size: 13px;
  border-bottom: 1px solid var(--border);
  z-index: 2;
}

.day-track {
  position: relative;
  height: calc(var(--total-minutes) * var(--px-per-min));
  background-image:
    linear-gradient(to bottom, rgba(100, 116, 139, 0.1) 1px, transparent 1px),
    linear-gradient(to right, transparent calc(50% - 1px), rgba(100, 116, 139, 0.2) 50%, transparent calc(50% + 1px));
  background-size: 100% calc(var(--px-per-min) * 30), 100% 100%;
  box-shadow: inset 0 -1px 0 var(--border);
  overflow: hidden;
}

.selection-box {
  position: absolute;
  left: 6px;
  right: 6px;
  border: 1px dashed var(--accent);
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  border-radius: 10px;
  pointer-events: none;
  z-index: 3;
}

.selection-tooltip {
  position: fixed;
  padding: 6px 10px;
  border-radius: 10px;
  background: var(--panel);
  border: 1px solid var(--border);
  font-size: 12px;
  color: var(--text);
  box-shadow: var(--shadow);
  pointer-events: none;
  z-index: 40;
  display: none;
}

.booking {
  position: absolute;
  border-radius: 12px;
  padding: 6px 8px;
  background: rgba(37, 99, 235, 0.15);
  border: 1px solid rgba(37, 99, 235, 0.4);
  color: var(--text);
  font-size: 12px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 4px;
  box-shadow: none;
  min-width: 0;
  cursor: pointer;
}

.booking:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.booking-head {
  display: flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
}

.booking-title {
  font-weight: 600;
  line-height: 1.2;
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.space-compact {
  display: none;
  padding: 2px 6px;
  border-radius: 999px;
  font-size: 11px;
  background: rgba(37, 99, 235, 0.15);
  border: 1px solid rgba(37, 99, 235, 0.3);
}

.booking.small {
  font-size: 11px;
  padding: 4px 6px;
}

.booking.tiny {
  font-size: 10px;
  padding: 3px 5px;
}

.booking.tiny .chips {
  display: none;
}

.booking.tiny .booking-title {
  -webkit-line-clamp: 1;
}

.booking.whole {
  left: 6px;
  right: 6px;
  border: none;
}

.booking.half-a,
.booking.space-a {
  left: 6px;
  width: calc(50% - 9px);
}

.booking.half-b,
.booking.space-b {
  right: 6px;
  width: calc(50% - 9px);
}

.booking.space-whole {
  left: 6px;
  right: 6px;
}


.chips {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  min-width: 0;
}

.booking-meta {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  min-width: 0;
}

.chip {
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 11px;
  background: rgba(15, 23, 42, 0.1);
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.booking.compact .booking-meta {
  display: none;
}

.booking.compact .space-compact {
  display: inline-flex;
  align-items: center;
}

.booking.space-a {
  left: 6px;
  right: 50%;
  width: auto;
}

.booking.space-b {
  right: 6px;
  left: 50%;
  width: auto;
}

.booking.space-whole {
  left: 6px;
  right: 6px;
}

.booking.space-a,
.booking.space-b,
.booking.space-whole {
  border-width: 1px;
}

.legend-split {
  display: flex;
  gap: 12px;
  align-items: center;
  font-size: 12px;
  color: var(--muted);
  margin: 6px 0 12px;
  flex-wrap: wrap;
}

.cat-0 { background: color-mix(in srgb, var(--cat-0) 25%, transparent); border: 1px solid var(--cat-0); }
.cat-1 { background: color-mix(in srgb, var(--cat-1) 25%, transparent); border: 1px solid var(--cat-1); }
.cat-2 { background: color-mix(in srgb, var(--cat-2) 25%, transparent); border: 1px solid var(--cat-2); }
.cat-3 { background: color-mix(in srgb, var(--cat-3) 25%, transparent); border: 1px solid var(--cat-3); }
.cat-4 { background: color-mix(in srgb, var(--cat-4) 25%, transparent); border: 1px solid var(--cat-4); }
.cat-5 { background: color-mix(in srgb, var(--cat-5) 25%, transparent); border: 1px solid var(--cat-5); }
.cat-6 { background: color-mix(in srgb, var(--cat-6) 25%, transparent); border: 1px solid var(--cat-6); }
.cat-7 { background: color-mix(in srgb, var(--cat-7) 25%, transparent); border: 1px solid var(--cat-7); }

.modal {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(15, 23, 42, 0.4);
  backdrop-filter: blur(8px);
  z-index: 20;
}

.modal[aria-hidden="false"] {
  display: flex;
}

.modal-card {
  background: var(--panel);
  border-radius: 20px;
  padding: 20px;
  width: min(520px, 92vw);
  box-shadow: var(--shadow);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.modal-title {
  font-weight: 700;
  font-size: 18px;
}

.spinner {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.4);
  border-top-color: #fff;
  border-radius: 999px;
  display: none;
  margin-left: 8px;
  animation: spin 1s linear infinite;
}

button.loading .spinner {
  display: inline-block;
}

.toast {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: var(--panel);
  border: 1px solid var(--border);
  padding: 12px 16px;
  border-radius: 12px;
  box-shadow: var(--shadow);
  opacity: 0;
  transform: translateY(10px);
  transition: all 0.2s ease;
  z-index: 30;
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

.table {
  display: grid;
  gap: 8px;
}

.table-row {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--panel);
}

.table-row .meta {
  font-size: 12px;
  color: var(--muted);
}

.grid-admin {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}

.agenda {
  display: grid;
  gap: 12px;
}

.agenda-item {
  padding: 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--panel);
}

@media (min-width: 900px) {
  .calendar { display: grid; }
  .agenda { display: none; }
  .content { padding: 24px 24px 60px; }
  .topbar { padding: 20px 32px; }
}

@media (max-width: 600px) {
  .modal { align-items: flex-end; }
  .modal-card {
    width: 100%;
    border-radius: 20px 20px 0 0;
    max-height: 92vh;
    overflow: auto;
  }
  .grid-2 {
    grid-template-columns: 1fr;
  }
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}


@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition: none !important;
  }
}