:root {
  --bg: #f5f5f7;
  --panel: #ffffff;
  --border: #e3e3e8;
  --text: #1c1c22;
  --muted: #6b6b76;
  --primary: #5b4bdb;
  --primary-soft: #ecebfc;
  --danger: #d33a3a;
  --ok: #1f9d55;
  --warn: #c98400;
  --radius: 10px;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121216;
    --panel: #1c1c22;
    --border: #2e2e36;
    --text: #ececf1;
    --muted: #9a9aa6;
    --primary: #8577ff;
    --primary-soft: #2a2748;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

body {
  margin: 0;
  font: 14px/1.45 system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  color: var(--text);
  background: var(--bg);
}

h1, h2 { margin: 0; line-height: 1.2; }
small, .hint { color: var(--muted); font-weight: 400; }
.hint { font-size: 12px; margin: 6px 0 0; }

/* ---------- Controls ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel);
  color: var(--text);
  font: inherit;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap;
}
.btn:hover { border-color: var(--muted); }
.btn.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn.danger { color: var(--danger); }
.btn.danger:hover { background: var(--danger); color: #fff; border-color: var(--danger); }
.btn.ghost { background: transparent; border-color: transparent; }
.btn.small { padding: 4px 9px; font-size: 12px; }

input:not([type=checkbox]):not([type=range]):not([type=color]), select, textarea {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel);
  color: var(--text);
  font: inherit;
  font-weight: 400;
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--primary); outline-offset: -1px; }
textarea { resize: vertical; }

.switch { display: inline-flex !important; flex-direction: row !important; align-items: center; gap: 8px; cursor: pointer; font-weight: 500; }
.switch input { position: absolute; opacity: 0; pointer-events: none; }
.switch span {
  position: relative;
  width: 34px; height: 20px;
  border-radius: 10px;
  background: var(--border);
  transition: background .15s;
  flex: none;
}
.switch span::after {
  content: '';
  position: absolute;
  top: 2px; left: 2px;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 1px 2px rgb(0 0 0 / .3);
  transition: transform .15s;
}
.switch input:checked + span { background: var(--primary); }
.switch input:checked + span::after { transform: translateX(14px); }
.switch input:focus-visible + span { outline: 2px solid var(--primary); outline-offset: 2px; }

.error { color: var(--danger); min-height: 1.2em; margin: 0; }

/* ---------- Login ---------- */

.login { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login-card {
  width: 100%; max-width: 340px;
  display: flex; flex-direction: column; gap: 14px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 28px;
}
.login-card p { margin: 0; color: var(--muted); }
.login-card label { display: flex; flex-direction: column; gap: 6px; font-weight: 600; }

/* ---------- Layout ---------- */

.app { display: grid; grid-template-columns: 260px 1fr; min-height: 100vh; }

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 18px 14px;
  background: var(--panel);
  border-right: 1px solid var(--border);
}
.brand { font-weight: 800; font-size: 16px; padding: 0 6px; }
.new-event { display: flex; gap: 6px; }
.new-event .btn { padding: 0 12px; font-size: 18px; }
.event-list { display: flex; flex-direction: column; gap: 2px; overflow-y: auto; flex: 1; }
.event-list button {
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
  padding: 9px 10px;
  border: 0; border-radius: 8px;
  background: transparent;
  color: var(--text);
  font: inherit;
  text-align: left;
  cursor: pointer;
}
.event-list button:hover { background: var(--bg); }
.event-list button.active { background: var(--primary-soft); color: var(--primary); font-weight: 600; }
.event-list .name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.badge { flex: none; min-width: 20px; padding: 1px 6px; border-radius: 10px; background: var(--warn); color: #fff; font-size: 11px; font-weight: 700; text-align: center; }
.logout { justify-content: flex-start; color: var(--muted); }

.main { padding: 24px 28px 48px; min-width: 0; }
.placeholder { text-align: center; color: var(--muted); padding: 80px 20px; }
.placeholder h2 { color: var(--text); margin-bottom: 8px; }
.placeholder.small { padding: 40px 20px; }

.event-header { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; margin-bottom: 18px; }
.meta { color: var(--muted); margin-top: 4px; }
.header-actions { display: flex; gap: 8px; }

.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); margin-bottom: 18px; overflow-x: auto; }
.tabs button {
  padding: 10px 14px;
  border: 0;
  border-bottom: 2px solid transparent;
  background: none;
  color: var(--muted);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
}
.tabs button.active { color: var(--primary); border-bottom-color: var(--primary); }

/* ---------- Photos ---------- */

.toolbar { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; margin-bottom: 14px; }
.filters { display: flex; flex-wrap: wrap; gap: 6px; }
.filters button {
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: var(--panel);
  color: var(--text);
  font: inherit;
  cursor: pointer;
}
.filters button.active { background: var(--text); border-color: var(--text); color: var(--panel); }
.filters span { opacity: .6; margin-left: 2px; }
.quick-toggles { display: flex; flex-wrap: wrap; gap: 18px; align-items: center; }

.bulk {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 10px 14px;
  margin-bottom: 14px;
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--warn) 14%, var(--panel));
  border: 1px solid color-mix(in srgb, var(--warn) 40%, transparent);
}

.photo-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 14px; }
.photo {
  display: flex; flex-direction: column;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  animation: appear .3s ease-out;
}
@keyframes appear { from { opacity: 0; transform: scale(.96); } }
.photo .thumb { position: relative; aspect-ratio: 4 / 5; background: var(--bg); cursor: zoom-in; border: 0; padding: 0; }
.photo .thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.photo.hidden .thumb img { opacity: .35; filter: grayscale(1); }
.status {
  position: absolute; top: 8px; left: 8px;
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 11px; font-weight: 700;
  color: #fff;
}
.status.approved { background: var(--ok); }
.status.pending { background: var(--warn); }
.status.hidden { background: #555; }
.photo .info { padding: 8px 10px 0; display: flex; justify-content: space-between; gap: 8px; }
.photo .info strong { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.photo .info time { color: var(--muted); font-size: 12px; flex: none; }
.actions { display: flex; gap: 6px; padding: 8px 10px 10px; flex-wrap: wrap; }
.actions .btn { flex: 1; }

.lightbox { padding: 0; border: 0; border-radius: 14px; max-width: min(92vw, 900px); background: var(--panel); color: var(--text); }
.lightbox::backdrop { background: rgb(0 0 0 / .75); }
.lightbox img { display: block; max-width: 100%; max-height: 75vh; margin: 0 auto; }
.lightbox-bar { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 10px 14px; }
.lightbox-bar .actions { padding: 0; }

/* ---------- Branding ---------- */

.branding { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); gap: 24px; align-items: start; }
.settings { display: flex; flex-direction: column; gap: 16px; }
fieldset {
  margin: 0;
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--panel);
  display: flex;
  flex-direction: column;
  gap: 14px;
}
legend { font-weight: 700; padding: 0 6px; }
.settings label { display: flex; flex-direction: column; gap: 6px; font-weight: 600; }
.settings output { font-weight: 400; color: var(--muted); }
.row { display: flex; flex-wrap: wrap; gap: 16px; align-items: flex-end; }
.row > label { flex: 1; min-width: 140px; }
.prefixed { display: flex; align-items: stretch; }
.prefixed span {
  display: flex; align-items: center;
  padding: 0 8px;
  border: 1px solid var(--border);
  border-right: 0;
  border-radius: 8px 0 0 8px;
  background: var(--bg);
  color: var(--muted);
  font-weight: 400;
  white-space: nowrap;
}
.prefixed input { border-radius: 0 8px 8px 0 !important; }
.colors { display: grid; grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); gap: 10px; }
.colors label { flex-direction: row !important; align-items: center; font-weight: 500 !important; }
.colors input { width: 36px; height: 36px; padding: 0; border: 1px solid var(--border); border-radius: 8px; background: none; cursor: pointer; }
.logo-row { display: flex; gap: 14px; align-items: center; }
.logo-row .btn { margin-right: 6px; }
.settings label.btn { display: inline-flex; }
.logo-preview {
  width: 110px; height: 70px; flex: none;
  display: grid; place-items: center;
  border-radius: 8px;
  border: 1px dashed var(--border);
  background: repeating-conic-gradient(#8881 0 25%, transparent 0 50%) 0 0 / 14px 14px;
  color: var(--muted);
  font-size: 12px;
}
.logo-preview img { max-width: 100%; max-height: 100%; object-fit: contain; }
.danger { border-color: color-mix(in srgb, var(--danger) 35%, var(--border)); }

.preview { position: sticky; top: 20px; }
.preview-head { display: flex; justify-content: space-between; margin-bottom: 8px; }
.save-state { color: var(--muted); font-size: 12px; }
.preview-frame {
  position: relative;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius);
  overflow: hidden;
  background: #000;
  box-shadow: 0 6px 24px rgb(0 0 0 / .15);
}
.preview-frame iframe {
  position: absolute; top: 0; left: 0;
  width: 1920px; height: 1080px;
  border: 0;
  transform-origin: 0 0;
  pointer-events: none;
}

/* ---------- Share ---------- */

.share { display: flex; flex-wrap: wrap; gap: 28px; align-items: flex-start; }
.qr-big { background: #fff; padding: 16px; border-radius: 14px; border: 1px solid var(--border); }
.qr-big img { width: 260px; height: 260px; display: block; }
.links { flex: 1; min-width: 280px; display: flex; flex-direction: column; gap: 16px; }
.links label { display: flex; flex-direction: column; gap: 6px; font-weight: 600; }
.copy { display: flex; gap: 6px; }

.toast {
  position: fixed; left: 50%; bottom: 24px;
  transform: translateX(-50%);
  padding: 10px 16px;
  border-radius: 8px;
  background: var(--text);
  color: var(--panel);
  font-weight: 600;
  z-index: 100;
}

/* ---------- Small screens ---------- */

@media (max-width: 900px) {
  .branding { grid-template-columns: 1fr; }
  .preview { position: static; order: -1; }
}
@media (max-width: 720px) {
  .app { grid-template-columns: 1fr; }
  .sidebar { position: static; height: auto; border-right: 0; border-bottom: 1px solid var(--border); }
  .event-list { max-height: 180px; }
  .main { padding: 18px 16px 40px; }
  .event-header { flex-direction: column; }
  .photo-grid { grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); }
}