/* Palette: ink night with a lilac accent. Type: Young Serif for titles, Instrument Sans for UI. */
:root {
  color-scheme: dark;
  --bg: #100e16;
  --bg-elev: #1a1722;
  --bg-elev-2: #231f2e;
  --border: #2f2a3c;
  --text: #f0ebe6;
  --text-dim: #a8a2b4;
  --accent: #c3b1ff;
  --on-accent: #17121f;
  --danger: #ff8f8f;
  --radius: 14px;
  --font-ui: "Instrument Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-display: "Young Serif", Georgia, "Times New Roman", serif;
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body { height: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-ui);
  overscroll-behavior-y: none;
}

/* ---------- login ---------- */
.login-body {
  position: relative; min-height: 100vh; min-height: 100dvh; overflow: hidden;
  display: flex; align-items: center; background: var(--bg);
}
.reel {
  position: absolute; top: -12%; bottom: -12%; right: -9vw; width: min(78vw, 1100px);
  display: flex; gap: 14px; padding: 0 14px; transform: rotate(-4deg) scale(1.15);
  transform-origin: 60% 50%;
  -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 34%);
          mask-image: linear-gradient(90deg, transparent 0, #000 34%);
}
.reel-col { flex: 1; min-width: 0; overflow: hidden; }
.reel-track { display: flex; flex-direction: column; gap: 14px; will-change: transform; }
.reel-col.down .reel-track { animation: reel-down var(--speed, 80s) linear infinite; }
.reel-col.up .reel-track { animation: reel-up var(--speed, 80s) linear infinite; }
@keyframes reel-down { from { transform: translateY(-50%); } to { transform: translateY(0); } }
@keyframes reel-up { from { transform: translateY(0); } to { transform: translateY(-50%); } }
.frame {
  width: 100%; border-radius: 6px; opacity: .62; box-shadow: 0 0 0 1px rgba(255,255,255,.04) inset;
  animation: frame-in .9s ease-out both; animation-delay: var(--d, 0ms);
}
@keyframes frame-in { from { opacity: 0; } to { opacity: .62; } }
.login-body::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(120% 90% at 0% 50%, var(--bg) 28%, transparent 70%);
}
.gate {
  position: relative; z-index: 2; width: min(420px, 100%);
  margin-left: clamp(24px, 8vw, 120px); padding: 24px 0;
}
.gate-title {
  font-family: var(--font-display); font-weight: 400; margin: 0 0 14px;
  font-size: clamp(2.6rem, 6vw, 3.8rem); line-height: 1.02; letter-spacing: -.01em;
}
.gate-sub { margin: 0 0 34px; color: var(--text-dim); font-size: 1.02rem; line-height: 1.55; max-width: 34ch; }
.gate-form { display: flex; flex-direction: column; gap: 18px; }
.field { display: flex; flex-direction: column; gap: 7px; }
.field label { font-size: .88rem; font-weight: 500; color: var(--text); }
.field input {
  width: 100%; height: 50px; padding: 0 14px; border-radius: 10px;
  border: 1px solid var(--border); background: rgba(26,23,34,.85); color: var(--text);
  font: inherit; font-size: 1rem;
}
.field input:hover { border-color: #443d57; }
.field input:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-color: transparent; }
.pw-wrap { position: relative; }
.pw-wrap input { padding-right: 70px; }
.pw-toggle {
  position: absolute; top: 5px; right: 5px; height: 40px; padding: 0 12px; border: 0; border-radius: 7px;
  background: transparent; color: var(--text-dim); font: inherit; font-size: .88rem; font-weight: 500; cursor: pointer;
}
.pw-toggle:hover { color: var(--text); }
.pw-toggle:focus-visible { outline: 2px solid var(--accent); }
.gate-submit {
  height: 52px; margin-top: 6px; border: 0; border-radius: 10px; cursor: pointer;
  background: var(--accent); color: var(--on-accent); font: inherit; font-size: 1.02rem; font-weight: 600;
  transition: transform .12s ease, filter .12s ease;
}
.gate-submit:hover { filter: brightness(1.06); }
.gate-submit:active { transform: scale(.985); }
.gate-submit:focus-visible { outline: 2px solid var(--text); outline-offset: 3px; }
.gate-submit:disabled { opacity: .7; cursor: progress; }
.gate-error { min-height: 1.4em; margin: 0; color: var(--danger); font-size: .92rem; line-height: 1.4; }
@media (max-width: 760px) {
  .reel { inset: 0; width: 100%; opacity: .55; transform: rotate(-4deg) scale(1.3); -webkit-mask-image: none; mask-image: none; }
  .login-body::after { background: linear-gradient(180deg, rgba(16,14,22,.55), var(--bg) 78%); }
  .login-body { align-items: flex-end; }
  .gate { margin: 0 auto; padding: 24px 22px calc(28px + env(safe-area-inset-bottom)); }
}
@media (prefers-reduced-motion: reduce) {
  .reel-track { animation: none !important; }
  .frame { animation: none; opacity: .62; }
}

/* ---------- layout ---------- */
.app { display: flex; flex-direction: column; height: 100vh; }
.topbar {
  display: flex; align-items: center; gap: 12px; padding: 10px 16px;
  border-bottom: 1px solid var(--border); background: rgba(16,14,22,.9);
  backdrop-filter: blur(10px); z-index: 20; flex-shrink: 0;
}
.brand { font-family: var(--font-display); font-weight: 400; font-size: 1.25rem; white-space: nowrap; }
.search-wrap { flex: 1; max-width: 420px; min-width: 0; }
.search-wrap input {
  width: 100%; min-width: 0; padding: 9px 14px; border-radius: 10px; border: 1px solid var(--border);
  background: var(--bg-elev); color: var(--text); font-size: .9rem;
}
.search-wrap input:focus { outline: none; border-color: var(--accent); }
.topbar-actions { display: flex; gap: 6px; margin-left: auto; }
.icon-btn {
  background: var(--bg-elev); border: 1px solid var(--border); color: var(--text);
  width: 38px; height: 38px; border-radius: 10px; font-size: 1.05rem;
  display: flex; align-items: center; justify-content: center; cursor: pointer;
  text-decoration: none;
}
.icon-btn:active { transform: scale(.94); }
.icon-btn.spinning { animation: spin 1s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.date-jump-wrap { position: relative; font-size: 1.05rem; }
.date-jump-input {
  position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0;
  border: 0; padding: 0; margin: 0; cursor: pointer; color-scheme: dark;
}

.body-row { flex: 1; display: flex; min-height: 0; }
.sidebar {
  width: 240px; flex-shrink: 0; overflow-y: auto; border-right: 1px solid var(--border);
  padding: 14px 10px; background: var(--bg);
}
.sidebar-backdrop { display: none; }
.filters { display: flex; gap: 6px; padding: 0 4px 12px; }
.filter-btn {
  flex: 1; background: var(--bg-elev); border: 1px solid var(--border); color: var(--text-dim);
  padding: 8px 0; border-radius: 9px; font-size: .82rem; cursor: pointer;
}
.filter-btn.active { background: var(--accent); border-color: var(--accent); color: var(--on-accent); font-weight: 600; }

.tree-year > .tree-label { font-weight: 700; font-size: .95rem; padding: 8px 6px; }
.tree-month > .tree-label { font-weight: 500; font-size: .85rem; padding: 6px 6px 6px 16px; }
.tree-week > .tree-label { font-size: .78rem; padding: 4px 6px 4px 28px; color: var(--text-dim); }
.tree-day { font-size: .76rem; padding: 3px 6px 3px 40px; color: var(--text-dim); }
.tree-label, .tree-day {
  cursor: pointer; border-radius: 8px; display: flex; justify-content: space-between; gap: 6px;
}
.tree-label:hover, .tree-day:hover { background: var(--bg-elev); color: var(--text); }
.tree-count { color: var(--text-dim); font-size: .74rem; }
.tree-label.current, .tree-day.current { background: var(--bg-elev-2); color: var(--accent); }
.tree-kids { overflow: hidden; }
.tree-kids.collapsed { display: none; }
.tree-caret { display: inline-block; width: 12px; transition: transform .15s; }
.tree-caret.open { transform: rotate(90deg); }

.content { flex: 1; overflow-y: auto; padding: 16px 20px 80px; min-width: 0; }
.stats-header { margin-bottom: 16px; }
.stats-header h2 { margin: 0 0 4px; font-family: var(--font-display); font-size: 1.7rem; font-weight: 400; }
.stats-header .sub { color: var(--text-dim); font-size: .88rem; }

/* ---------- feed / masonry ---------- */
.day-group { margin-bottom: 22px; }
.day-heading {
  display: flex; align-items: baseline; gap: 8px; margin: 18px 0 8px; color: var(--text);
}
.day-heading .d-main { font-weight: 700; font-size: .98rem; }
.day-heading .d-sub { color: var(--text-dim); font-size: .78rem; }
.month-heading { font-family: var(--font-display); font-size: 1.3rem; font-weight: 400; margin: 26px 0 2px; }
.year-heading { font-family: var(--font-display); font-size: 1.9rem; font-weight: 400; margin: 34px 0 2px; color: var(--accent); }

.grid {
  columns: 5 160px; column-gap: 6px;
}
@media (max-width: 1100px) { .grid { columns: 4 140px; } }
@media (max-width: 700px) { .grid { columns: 3 100px; column-gap: 4px; } }
@media (max-width: 420px) { .grid { columns: 3 90px; } }

.cell {
  break-inside: avoid; margin-bottom: 6px; position: relative; border-radius: 10px;
  overflow: hidden; background: var(--bg-elev); cursor: pointer;
}
@media (max-width: 700px) { .cell { margin-bottom: 4px; border-radius: 6px; } }
.cell img { width: 100%; height: auto; display: block; }
.cell .play {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 1.6rem; text-shadow: 0 1px 6px rgba(0,0,0,.6); pointer-events: none;
}
.cell .duration {
  position: absolute; bottom: 5px; right: 6px; background: rgba(0,0,0,.65); color: #fff;
  font-size: .68rem; padding: 1px 6px; border-radius: 5px; pointer-events: none;
}
.empty { text-align: center; color: var(--text-dim); padding: 60px 0; }

/* ---------- week nav ---------- */
.week-nav {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  margin-bottom: 16px; padding: 8px 10px; background: var(--bg-elev);
  border: 1px solid var(--border); border-radius: 12px;
}
.week-nav-btn {
  background: var(--bg-elev-2); border: 1px solid var(--border); color: var(--text);
  padding: 8px 14px; border-radius: 9px; font-size: .85rem; cursor: pointer; flex-shrink: 0;
}
.week-nav-btn:disabled { opacity: .35; cursor: default; }
.week-nav-btn:not(:disabled):hover { border-color: var(--accent); color: var(--accent); }
#week-nav-label {
  display: flex; flex-direction: column; align-items: center; gap: 1px;
  min-width: 0; flex: 1;
}
#week-nav-title {
  color: var(--text); font-size: .9rem; font-weight: 600; max-width: 100%;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
#week-nav-count { color: var(--text-dim); font-size: .74rem; }

/* ---------- viewer ---------- */
.viewer {
  position: fixed; inset: 0; background: rgba(0,0,0,.97); display: none;
  flex-direction: column; z-index: 50; touch-action: pan-y;
}
.viewer.open { display: flex; }
.viewer-bar {
  display: flex; align-items: center; gap: 12px; padding: 10px 14px;
  color: var(--text-dim); font-size: .85rem; flex-shrink: 0;
}
.viewer-bar #v-name { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.viewer-actions { display: flex; gap: 6px; }
.viewer-stage {
  flex: 1; display: flex; align-items: center; justify-content: center; overflow: hidden;
  position: relative;
}
.viewer-stage img { max-width: 96vw; max-height: 82vh; object-fit: contain; touch-action: pinch-zoom; }
.viewer-stage video { max-width: 96vw; max-height: 82vh; }
.v-nav {
  position: absolute; top: 50%; transform: translateY(-50%); background: rgba(255,255,255,.08);
  border: none; color: #fff; font-size: 1.8rem; width: 46px; height: 46px; border-radius: 50%;
  cursor: pointer; z-index: 5;
}
.v-prev { left: 10px; }
.v-next { right: 10px; }
@media (max-width: 700px) { .v-nav { display: none; } }

/* ---------- confirm modal ---------- */
.confirm {
  position: fixed; inset: 0; background: rgba(0,0,0,.6); display: flex;
  align-items: center; justify-content: center; z-index: 60;
}
.confirm[hidden] { display: none; }
.confirm-box {
  background: var(--bg-elev); border: 1px solid var(--border); border-radius: 14px;
  padding: 22px; width: 280px; text-align: center;
}
.confirm-box p { margin: 0 0 16px; font-size: .95rem; }
.confirm-actions { display: flex; gap: 10px; }
.confirm-actions button {
  flex: 1; padding: 10px; border-radius: 9px; border: 1px solid var(--border);
  background: var(--bg-elev-2); color: var(--text); cursor: pointer; font-size: .88rem;
}
.confirm-actions button.danger { background: var(--danger); border-color: var(--danger); color: #2a0d0d; font-weight: 600; }

/* ---------- toast ---------- */
.toast {
  position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%);
  background: var(--bg-elev-2); border: 1px solid var(--border); padding: 10px 18px;
  border-radius: 10px; font-size: .85rem; z-index: 70;
}

/* ---------- mobile ---------- */
@media (max-width: 860px) {
  .sidebar {
    position: fixed; top: 0; bottom: 0; left: 0; width: 78vw; max-width: 300px;
    transform: translateX(-100%); transition: transform .2s ease; z-index: 40;
    box-shadow: 10px 0 30px rgba(0,0,0,.4);
  }
  .sidebar.open { transform: translateX(0); }
  .sidebar-backdrop {
    display: none; position: fixed; inset: 0; background: rgba(0,0,0,.5); z-index: 39;
  }
  .sidebar-backdrop.open { display: block; }
  .brand { display: none; }
  .content { padding: 12px 12px 90px; }
}

/* ---------- focus ---------- */
button:focus-visible, a:focus-visible, .search-wrap input:focus-visible, .filter-btn:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 2px;
}