:root {
  --bg0: #140f12;
  --bg1: #1d1519;
  --ink: #f7efe8;
  --muted: #b7a79c;
  --line: rgba(247, 239, 232, 0.12);
  --card: rgba(255, 248, 242, 0.04);
  --accent: #e8a07a;
  --accent-2: #f0c9a0;
  --good: #9dbea0;
  --danger: #e08989;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
  --font-display: "Fraunces", "Noto Sans SC", serif;
  --font-body: "Noto Sans SC", system-ui, sans-serif;
  --radius: 18px;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--bg0);
  line-height: 1.55;
}
.atmosphere {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(900px 500px at 12% -10%, rgba(232, 160, 122, 0.22), transparent 55%),
    radial-gradient(700px 420px at 90% 8%, rgba(240, 201, 160, 0.12), transparent 50%),
    radial-gradient(800px 600px at 50% 110%, rgba(120, 70, 80, 0.25), transparent 55%),
    linear-gradient(160deg, #120d10, #1a1216 45%, #101018);
}
.hidden { display: none !important; }
.muted { color: var(--muted); }
.eyebrow {
  margin: 0 0 8px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-size: 0.72rem;
  color: var(--accent-2);
}
.brand {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.6rem, 8vw, 4rem);
  letter-spacing: 0.04em;
  line-height: 1.05;
}
.brand-sm {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.7rem;
}
.lead {
  margin: 14px 0 22px;
  color: var(--muted);
  max-width: 34em;
}

.gate {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 28px 16px;
}
.gate-card {
  width: min(520px, 100%);
  padding: 28px 24px 22px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: linear-gradient(180deg, rgba(255,255,255,0.05), rgba(255,255,255,0.02));
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}
.seg {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  margin-bottom: 16px;
  padding: 4px;
  border-radius: 999px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--line);
}
.seg-btn, .tab, .btn, select, input, textarea {
  font: inherit;
}
.seg-btn {
  border: 0;
  background: transparent;
  color: var(--muted);
  border-radius: 999px;
  padding: 10px 12px;
  cursor: pointer;
}
.seg-btn.active {
  background: rgba(232, 160, 122, 0.18);
  color: var(--ink);
}
.field {
  display: grid;
  gap: 6px;
  margin-bottom: 12px;
}
.field span {
  font-size: 0.82rem;
  color: var(--muted);
}
input, select, textarea {
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--bg0);
  color: var(--ink);
  padding: 11px 12px;
  outline: none;
  color-scheme: dark;
}
/* 系统下拉列表：底色与页面一致，避免浅灰高亮块 */
select option,
select optgroup {
  background-color: #140f12;
  color: #f7efe8;
}
select option:checked,
select option:hover,
select option:focus {
  background-color: #1d1519 !important;
  color: #f7efe8;
}
textarea { resize: vertical; }
#loginPane,
#createPane {
  display: flex;
  flex-direction: column;
}
#loginPane.hidden,
#createPane.hidden {
  display: none !important;
}
.pane > .btn.primary,
#loginBtn,
#createBtn {
  display: block;
  width: min(220px, 100%);
  margin: 16px auto 0;
  align-self: center;
  text-align: center;
}
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.btn {
  border-radius: 999px;
  border: 1px solid var(--line);
  padding: 11px 16px;
  cursor: pointer;
  background: transparent;
  color: var(--ink);
}
.btn.primary {
  background: linear-gradient(135deg, #e8a07a, #d4846a);
  border-color: transparent;
  color: #1a0f0c;
  font-weight: 600;
}
.btn.ghost:hover { border-color: rgba(232,160,122,0.45); }
.btn.danger {
  color: var(--danger);
  border-color: rgba(224,137,137,0.35);
}
.msg { min-height: 1.2em; color: var(--accent-2); font-size: 0.9rem; }

.app {
  width: min(980px, 100%);
  margin: 0 auto;
  padding: 18px 16px 48px;
}
.top {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: end;
  margin-bottom: 14px;
}
.top-actions {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-end;
}
.top-actions select {
  width: auto;
  min-width: 120px;
}
.bgm-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  max-width: min(260px, 52vw);
  padding: 2px 6px 2px 2px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(232, 160, 122, 0.08);
}
.bgm-chip.playing {
  border-color: rgba(232, 160, 122, 0.45);
  background: rgba(232, 160, 122, 0.16);
}
.bgm-chip .btn.ghost {
  padding: 6px 10px;
  min-width: 36px;
}
.bgm-title {
  font-size: 0.78rem;
  color: var(--accent-2);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 140px;
}
@media (max-width: 720px) {
  .bgm-title { max-width: 88px; }
}
.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}
.tab {
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--muted);
  border-radius: 999px;
  padding: 8px 14px;
  cursor: pointer;
}
.tab.active {
  color: var(--ink);
  border-color: rgba(232,160,122,0.45);
  background: rgba(232,160,122,0.12);
}
.panel { display: none; animation: rise 0.35s ease both; }
.panel.active { display: block; }
@keyframes rise {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: none; }
}
.sec-head { margin-bottom: 14px; }
.sec-head h2, .hero-strip h2 {
  margin: 0 0 4px;
  font-family: var(--font-display);
  font-size: 1.55rem;
}
.hero-strip {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  margin-bottom: 16px;
}
.partner-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.tip { font-size: 0.86rem; margin-top: 6px; max-width: 36em; }
.tiny { font-size: 0.8rem; margin-top: 8px; }
.partner-card {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
  background: var(--card);
}
.partner-card.me {
  border-color: rgba(232, 160, 122, 0.45);
  background: rgba(232, 160, 122, 0.08);
}
.partner-card.ta {
  border-color: rgba(158, 190, 200, 0.35);
  background: rgba(120, 150, 170, 0.06);
}
.card-tag {
  position: absolute;
  top: 12px;
  right: 12px;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  border: 1px solid var(--line);
  color: var(--accent-2);
}
.partner-card.ta .card-tag { color: #b8d4de; }
.partner-card .avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-weight: 700;
  margin-bottom: 10px;
}
.partner-card h3 {
  margin: 0 0 4px;
  font-family: var(--font-display);
}
.split-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.split-col {
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 12px;
  background: rgba(255,255,255,0.02);
}
.split-title {
  margin: 0 0 10px;
  font-size: 0.95rem;
  font-family: var(--font-display);
  color: var(--accent-2);
}
@media (max-width: 860px) {
  .split-2 { grid-template-columns: 1fr; }
}
.composer {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 8px;
  margin-bottom: 16px;
  align-items: center;
}
.composer.stacked {
  grid-template-columns: 1fr;
}
.composer select,
.composer input,
.composer textarea,
.composer button {
  min-width: 0;
}
.composer > * { grid-column: span 1; }
.composer #hobbyName,
.composer #hobbyNote,
.composer #photoCaption,
.composer #photoFiles,
.composer #eventNote { grid-column: span 2; }
.composer button { grid-column: span 1; }
@media (max-width: 860px) {
  .composer { grid-template-columns: 1fr 1fr; }
  .composer > * { grid-column: span 1 !important; }
  .composer.stacked > * { grid-column: span 2 !important; }
  .partner-grid, .grid-2 { grid-template-columns: 1fr; }
}
.list { display: grid; gap: 10px; }
.item {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 12px 14px;
  background: rgba(255,255,255,0.03);
}
.item .meta {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  color: var(--muted);
  font-size: 0.82rem;
  margin-bottom: 6px;
}
.pill {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  border: 1px solid var(--line);
  font-size: 0.75rem;
  color: var(--accent-2);
}
.photo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 10px;
}
.photo-card {
  position: relative;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: #000;
  aspect-ratio: 1;
}
.photo-card.kind-video,
.photo-card.kind-audio {
  aspect-ratio: auto;
  min-height: 120px;
  background: #140f12;
}
.photo-card img,
.photo-card video.media-el {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  background: #0c090b;
}
.photo-card img { cursor: zoom-in; }
.photo-card.kind-video video.media-el {
  height: auto;
  max-height: 220px;
  object-fit: contain;
}
.photo-card .audio-wrap {
  padding: 18px 12px 40px;
}
.photo-card .audio-label {
  font-size: 0.78rem;
  color: var(--accent-2);
  margin-bottom: 10px;
}
.photo-card audio.media-el {
  width: 100%;
  height: 36px;
}
.photo-card .cap {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 8px;
  font-size: 0.75rem;
  background: linear-gradient(transparent, rgba(0,0,0,0.75));
}
.photo-card .del {
  position: absolute;
  top: 6px;
  right: 6px;
  z-index: 2;
}
.filters { margin-bottom: 12px; color: var(--muted); }
.filters select { width: auto; display: inline-block; margin-left: 6px; }
.result {
  white-space: pre-wrap;
  border: 1px solid rgba(232,160,122,0.28);
  background: rgba(232,160,122,0.08);
  border-radius: 16px;
  padding: 14px 16px;
  margin-bottom: 14px;
}
.img-viewer {
  position: fixed;
  inset: 0;
  z-index: 50;
  background: rgba(0,0,0,0.88);
  display: grid;
  place-items: center;
  padding: 20px;
}
.img-viewer img {
  max-width: min(960px, 100%);
  max-height: 92vh;
  object-fit: contain;
  border-radius: 10px;
}
.img-viewer-close {
  position: absolute;
  top: 12px;
  right: 14px;
  width: 40px;
  height: 40px;
  border: 0;
  border-radius: 999px;
  background: rgba(255,255,255,0.14);
  color: #fff;
  font-size: 1.4rem;
  cursor: pointer;
}
.modal {
  position: fixed;
  inset: 0;
  z-index: 40;
  background: rgba(0,0,0,0.55);
  display: grid;
  place-items: center;
  padding: 16px;
}
.modal-card {
  width: min(440px, 100%);
  border-radius: 20px;
  border: 1px solid var(--line);
  background: #1b1418;
  padding: 18px;
  box-shadow: var(--shadow);
}
.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 8px;
}
.edit-couple {
  margin-top: 14px;
  padding: 14px;
  border-radius: 16px;
  border: 1px dashed var(--line);
}
.bgm-panel {
  margin-top: 22px;
  padding-top: 8px;
}
.bgm-slots {
  display: grid;
  gap: 10px;
}
.bgm-slot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: var(--card);
}
.bgm-slot.ready {
  border-color: rgba(157, 190, 160, 0.35);
}
.bgm-slot strong { font-weight: 600; }
.bgm-slot .tiny { margin: 4px 0 0; font-size: 0.78rem; }
.bgm-slot-actions {
  display: flex;
  gap: 6px;
  align-items: center;
  flex-shrink: 0;
}
.bgm-upload-btn { cursor: pointer; margin: 0; }
.bgm-add {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  margin-top: 12px;
  align-items: center;
}
@media (max-width: 640px) {
  .bgm-add { grid-template-columns: 1fr; }
}
.bgm-video-hidden {
  position: fixed;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
  left: -99vw;
  top: -99vh;
}