:root {
  --ink: #1a1a2e;
  --ink-mid: #2d2d44;
  --paper: #f5f0e8;
  --paper-warm: #ede8dc;
  --gold: #c9a84c;
  --gold-light: #e8c96a;
  --rose: #c4687a;
  --teal-soft: #5b9ea0;
  --moss: #6b8a5e;
  --text-main: #2a2035;
  --text-muted: #7a7080;
  --card-bg: rgba(255, 252, 245, 0.92);
  --border-soft: rgba(180, 160, 120, 0.3);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: var(--ink);
  min-height: 100vh;
  color: var(--text-main);
  overflow-x: hidden;
}

/* ── Background ── */
.bg-texture {
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 20% 30%, rgba(90, 60, 120, 0.18) 0%, transparent 60%),
    radial-gradient(ellipse 60% 40% at 80% 70%, rgba(60, 80, 100, 0.15) 0%, transparent 55%),
    linear-gradient(160deg, #0f0c1a 0%, #1a1430 40%, #141828 100%);
  z-index: 0;
}

.stars {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}

.star {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.6);
  animation: twinkle var(--d, 3s) ease-in-out infinite;
  animation-delay: var(--delay, 0s);
}

@keyframes twinkle {
  0%, 100% { opacity: 0.2; transform: scale(1); }
  50%       { opacity: 0.9; transform: scale(1.3); }
}

/* ── Header ── */
.site-header {
  position: relative;
  z-index: 10;
  text-align: center;
  padding: 3rem 1.5rem 2rem;
  border-bottom: 0.5px solid rgba(201, 168, 76, 0.25);
}

.back-button {
  position: absolute;
  top: 1.5rem;
  left: 1.5rem;
  color: rgba(255, 255, 255, 0.5);
  text-decoration: none;
  font-size: 13px;
  font-family: 'Noto Sans SC', sans-serif;
  letter-spacing: 0.1em;
  transition: color 0.2s;
}

.back-button:hover {
  color: var(--gold);
}

.site-title {
  font-family: 'Noto Serif SC', serif;
  font-size: clamp(2.2rem, 6vw, 3.5rem);
  font-weight: 600;
  letter-spacing: 0.25em;
  color: var(--gold);
  text-shadow: 0 0 40px rgba(201, 168, 76, 0.3);
  margin-bottom: 0.4rem;
}

.site-subtitle {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.35);
  letter-spacing: 0.3em;
  font-weight: 300;
}

.site-decor {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-top: 1rem;
  color: rgba(201, 168, 76, 0.4);
  font-size: 13px;
  letter-spacing: 0.2em;
}

.site-decor::before,
.site-decor::after {
  content: '';
  display: block;
  width: 60px;
  height: 0.5px;
  background: linear-gradient(90deg, transparent, rgba(201, 168, 76, 0.5), transparent);
}

/* ── Layout ── */
.container {
  position: relative;
  z-index: 10;
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 1.25rem 4rem;
}

/* ── Compose Box ── */
.compose-box {
  background: var(--card-bg);
  border-radius: 16px;
  border: 0.5px solid rgba(201, 168, 76, 0.35);
  padding: 1.5rem;
  margin: 0 auto 2.5rem;
  max-width: 720px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
}

.compose-header {
  font-family: 'Noto Serif SC', serif;
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 8px;
}

.compose-header::after {
  content: '';
  flex: 1;
  height: 0.5px;
  background: var(--border-soft);
}

.mood-row {
  display: flex;
  gap: 8px;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.mood-btn {
  padding: 5px 14px;
  border-radius: 20px;
  border: 0.5px solid var(--border-soft);
  background: transparent;
  cursor: pointer;
  font-size: 12px;
  font-family: 'Noto Sans SC', sans-serif;
  color: var(--text-muted);
  transition: all 0.2s;
  letter-spacing: 0.05em;
}

.mood-btn:hover  { border-color: var(--gold); color: var(--gold); }
.mood-btn.active { background: var(--gold); color: white; border-color: var(--gold); }

.name-input {
  width: 100%;
  border: none;
  border-bottom: 0.5px solid var(--border-soft);
  background: transparent;
  padding: 6px 0;
  font-size: 13px;
  font-family: 'Noto Sans SC', sans-serif;
  color: var(--text-main);
  margin-bottom: 0.75rem;
  outline: none;
  letter-spacing: 0.05em;
}

.name-input::placeholder { color: var(--text-muted); }
.name-input:focus         { border-color: var(--gold); }

.msg-textarea {
  width: 100%;
  min-height: 100px;
  border: none;
  background: rgba(0, 0, 0, 0.04);
  border-radius: 8px;
  padding: 12px;
  font-size: 14px;
  font-family: 'Noto Serif SC', serif;
  font-weight: 300;
  color: var(--text-main);
  line-height: 1.8;
  resize: none;
  outline: none;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
  transition: background 0.2s;
}

.msg-textarea::placeholder { color: var(--text-muted); font-style: italic; }
.msg-textarea:focus         { background: rgba(0, 0, 0, 0.06); }

.compose-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.char-count {
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

.submit-btn {
  background: linear-gradient(135deg, var(--gold) 0%, #b8903c 100%);
  color: white;
  border: none;
  border-radius: 8px;
  padding: 8px 24px;
  font-size: 13px;
  font-family: 'Noto Sans SC', sans-serif;
  letter-spacing: 0.15em;
  cursor: pointer;
  transition: all 0.2s;
}

.submit-btn:hover  { opacity: 0.9; transform: translateY(-1px); }
.submit-btn:active { transform: translateY(0); }

/* ── Feed ── */
.feed-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.feed-title {
  font-family: 'Noto Serif SC', serif;
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  color: rgba(255, 255, 255, 0.5);
  display: flex;
  align-items: center;
  gap: 8px;
}

.feed-count {
  background: rgba(201, 168, 76, 0.2);
  color: var(--gold);
  border-radius: 10px;
  padding: 2px 10px;
  font-size: 11px;
  letter-spacing: 0.05em;
}

.filter-row {
  display: flex;
  gap: 6px;
}

.filter-btn {
  background: transparent;
  border: 0.5px solid rgba(255, 255, 255, 0.15);
  color: rgba(255, 255, 255, 0.4);
  border-radius: 12px;
  padding: 3px 12px;
  font-size: 11px;
  font-family: 'Noto Sans SC', sans-serif;
  cursor: pointer;
  transition: all 0.2s;
  letter-spacing: 0.05em;
}

.filter-btn.active,
.filter-btn:hover {
  border-color: rgba(201, 168, 76, 0.5);
  color: var(--gold);
}

/* ── Cards ── */
.cards-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 1.5rem;
}

.card {
  background: var(--card-bg);
  border-radius: 14px;
  border: 0.5px solid rgba(201, 168, 76, 0.2);
  padding: 1.2rem 1.4rem;
  animation: fadeUp 0.4s ease both;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
  position: relative;
  overflow: hidden;
  min-height: 200px;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
}

.card::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: var(--accent, var(--gold));
  border-radius: 0 2px 2px 0;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

.card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.6rem;
}

.card-author {
  display: flex;
  align-items: center;
  gap: 8px;
}

.avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 500;
  flex-shrink: 0;
}

.card-name {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-main);
  letter-spacing: 0.05em;
}

.card-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

.mood-tag {
  font-size: 10px;
  padding: 2px 10px;
  border-radius: 10px;
  letter-spacing: 0.08em;
  font-family: 'Noto Sans SC', sans-serif;
}

.card-time {
  font-size: 10px;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

.card-text {
  font-family: 'HarmonyOS Sans SC', 'Noto Serif SC', serif;
  font-size: 14px;
  font-weight: 500;
  line-height: 1.85;
  color: #3a3040;
  letter-spacing: 0.04em;
  flex: 1;
}



/* ── Empty state ── */
.empty-state {
  text-align: center;
  padding: 3rem 1rem;
  color: rgba(255, 255, 255, 0.25);
  font-size: 13px;
  letter-spacing: 0.1em;
  line-height: 2;
}

/* ── Toast ── */
.toast {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%) translateY(80px);
  background: rgba(30, 25, 45, 0.95);
  color: var(--gold);
  border: 0.5px solid rgba(201, 168, 76, 0.4);
  border-radius: 10px;
  padding: 10px 24px;
  font-size: 13px;
  letter-spacing: 0.15em;
  z-index: 100;
  transition: transform 0.3s ease;
  font-family: 'Noto Sans SC', sans-serif;
}

.toast.show {
  transform: translateX(-50%) translateY(0);
}