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

:root {
  --primary: #ff5c8a;
  --primary-2: #ff8fb2;
  --primary-dark: #ee4d7d;
  --primary-light: #ffe1eb;
  --bg: #fff0f6;
  --card: rgba(255,255,255,0.94);
  --text: #4a3540;
  --text-light: #a78b96;
  --border: #f6dbe6;
  --shadow: 0 8px 30px rgba(238,77,125,0.10);
  --shadow-lg: 0 16px 40px rgba(238,77,125,0.18);
  --green: #4caf50;
  --green-light: #81c784;
  --gray: #bdbdbd;
}

html, body { height: 100%; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}

::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-thumb { background: var(--primary-2); border-radius: 6px; }
::-webkit-scrollbar-track { background: transparent; }

/* login */
.login-body {
  position: relative; overflow: hidden;
  display: flex; align-items: center; justify-content: center;
  min-height: 100vh; padding: 20px;
  background: linear-gradient(160deg, #ffa6bd 0%, #ff5c8a 55%, #ee4d7d 100%);
}
.bg-hearts { position: fixed; inset: 0; pointer-events: none; z-index: 0; }
.heart-float { position: absolute; bottom: -50px; color: rgba(255,255,255,0.45); animation: floatUp linear infinite; }
@keyframes floatUp { to { transform: translateY(-115vh) rotate(24deg); opacity: 0; } }
.login-card {
  position: relative; z-index: 1; background: rgba(255,255,255,0.9); backdrop-filter: blur(20px);
  border-radius: 26px; padding: 44px 34px; width: 100%; max-width: 380px;
  box-shadow: 0 20px 60px rgba(180,30,80,0.35); text-align: center; animation: fadeInUp .6s ease both;
}
.logo-heart {
  width: 76px; height: 76px; margin: 0 auto 18px; border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-2)); color: #fff;
  font-size: 36px; line-height: 76px; box-shadow: 0 8px 24px rgba(238,77,125,0.45);
  animation: heartbeat 1.6s ease-in-out infinite;
}
@keyframes heartbeat { 0%,100%{transform:scale(1)} 12%{transform:scale(1.08)} 24%{transform:scale(1)} 36%{transform:scale(1.06)} 48%{transform:scale(1)} }
.login-card h1 { font-size: 26px; color: var(--primary-dark); letter-spacing: 1px; }
.login-sub { color: var(--text-light); margin: 8px 0 22px; font-size: 14px; }
.auth-tabs {
  display: flex; gap: 8px; margin-bottom: 20px;
  background: var(--primary-light); border-radius: 14px; padding: 4px;
}
.auth-tab {
  flex: 1; border: none; background: none; padding: 9px 0; border-radius: 11px;
  font-size: 14px; color: var(--text-light); cursor: pointer; transition: all .2s;
}
.auth-tab.active {
  background: #fff; color: var(--primary-dark); font-weight: 700;
  box-shadow: 0 2px 8px rgba(238,77,125,0.15);
}
.input-group { position: relative; margin-bottom: 14px; }
.input-group .input-icon { position: absolute; left: 14px; top: 50%; transform: translateY(-50%); color: var(--primary); font-size: 15px; pointer-events: none; }
.input-group input {
  width: 100%; padding: 13px 14px 13px 40px; font-size: 15px; border: 2px solid var(--border);
  border-radius: 14px; outline: none; background: #fff; transition: border-color .2s, box-shadow .2s;
}
.input-group input:focus { border-color: var(--primary); box-shadow: 0 0 0 4px rgba(255,92,138,0.12); }
.login-error { color: #e0394f; font-size: 13px; margin-bottom: 12px; min-height: 18px; }
.btn-primary {
  width: 100%; padding: 14px; font-size: 16px; border: none; border-radius: 14px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark)); color: #fff;
  cursor: pointer; font-weight: 700; letter-spacing: 2px;
  box-shadow: 0 8px 22px rgba(238,77,125,0.35); transition: transform .15s, box-shadow .15s, opacity .15s;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 26px rgba(238,77,125,0.45); }
.btn-primary:active { transform: translateY(0); }
.btn-primary.small { width: auto; padding: 10px 22px; font-size: 14px; letter-spacing: 1px; }
.btn-cancel { border: 1.5px solid var(--border); background: #fff; padding: 8px 16px; border-radius: 10px; font-size: 13px; cursor: pointer; color: var(--text-light); }
.login-tip { color: var(--text-light); font-size: 12px; margin-top: 18px; }

/* animations */
@keyframes fadeInUp { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: translateY(0); } }
@keyframes pop { 0%{transform:scale(1)} 50%{transform:scale(1.45)} 100%{transform:scale(1)} }
@keyframes moodLively {
  0%, 100% { transform: translateY(0) rotate(0deg) scale(1); }
  10% { transform: translateY(-8px) rotate(-10deg) scale(1.06); }
  20% { transform: translateY(0) rotate(0deg) scale(1); }
  30% { transform: translateY(-6px) rotate(8deg) scale(1.04); }
  40% { transform: translateY(0) rotate(0deg) scale(1); }
  50% { transform: translateY(-4px) rotate(-6deg) scale(1.02); }
  60% { transform: translateY(0) rotate(0deg) scale(1); }
}
@keyframes moodGlow {
  0%, 100% { transform: scale(0.88); opacity: 0.55; }
  50% { transform: scale(1.18); opacity: 1; }
}
@keyframes toastIn { 0%{transform:translateX(-50%) translateY(-80px); opacity:0} 15%{transform:translateX(-50%) translateY(0); opacity:1} 85%{transform:translateX(-50%) translateY(0); opacity:1} 100%{transform:translateX(-50%) translateY(-80px); opacity:0} }
@keyframes missYouPop { 0%{transform:scale(1)} 30%{transform:scale(1.15)} 60%{transform:scale(0.95)} 100%{transform:scale(1)} }

/* header */
.app-header {
  position: sticky; top: 0; z-index: 20; display: flex; align-items: center; gap: 12px;
  padding: 12px 16px; background: linear-gradient(135deg, rgba(255,92,138,0.96), rgba(238,77,125,0.96));
  backdrop-filter: blur(10px); color: #fff; box-shadow: 0 4px 20px rgba(238,77,125,0.25);
}
.header-avatar {
  width: 38px; height: 38px; border-radius: 50%; flex-shrink: 0;
  background: rgba(255,255,255,0.25); border: 2px solid rgba(255,255,255,0.55);
  display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 16px;
}
.header-avatar.avatar-c0 { background: linear-gradient(135deg, #ff5c8a, #ff8fb2); border: none; }
.header-avatar.avatar-c1 { background: linear-gradient(135deg, #7a9bff, #a5c0ff); border: none; }
.header-avatar.avatar-c2 { background: linear-gradient(135deg, #5fc98d, #9be0b6); border: none; }
.header-avatar.avatar-c3 { background: linear-gradient(135deg, #c085ff, #e0b8ff); border: none; }
.header-info { flex: 1; min-width: 0; }
.header-title { font-size: 17px; font-weight: 700; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.header-days { font-size: 11.5px; opacity: 0.88; margin-top: 1px; }
.logout-btn {
  border: 1px solid rgba(255,255,255,0.55); background: rgba(255,255,255,0.15);
  color: #fff; padding: 6px 14px; border-radius: 20px; font-size: 12px; cursor: pointer; transition: background .2s;
}
.logout-btn:hover { background: rgba(255,255,255,0.3); }

.app-main { padding-bottom: 96px; max-width: 640px; margin: 0 auto; }
.tab-panel { display: none; }
.tab-panel.active { display: block; animation: fadeInUp .3s ease both; }

/* home hero */
.home-hero {
  position: relative; min-height: calc(100vh - 128px); overflow: hidden;
  background: linear-gradient(160deg, #ffb6c9, #ff5c8a 60%, #ee4d7d);
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 30px;
}
.home-hero.has-bg { background-size: cover; background-position: center; }
.home-hero-tint {
  position: absolute; inset: 0; pointer-events: none; z-index: 0;
  background: rgba(255,255,255,0.08);
}
.bg-set-btn {
  position: absolute; top: 14px; right: 14px; z-index: 5;
  background: rgba(0,0,0,0.35); color: #fff; border: none; border-radius: 18px;
  padding: 6px 14px; font-size: 12px; cursor: pointer; backdrop-filter: blur(4px);
}
.bg-set-btn:hover { background: rgba(0,0,0,0.5); }

/* home days card */
.home-days-card {
  position: relative; z-index: 2; cursor: pointer; text-align: center;
  background: rgba(255,255,255,0.78); backdrop-filter: blur(14px);
  border-radius: 30px; padding: 28px 46px;
  box-shadow: 0 18px 44px rgba(0,0,0,0.2); border: 1px solid rgba(255,255,255,0.6);
  animation: floatY 3.2s ease-in-out infinite;
}
.home-days-card:active { transform: scale(0.97); }
.home-heart-icon {
  width: 52px; height: 52px; margin: 0 auto 10px; border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-2)); color: #fff;
  font-size: 26px; line-height: 52px; box-shadow: 0 6px 18px rgba(238,77,125,0.4);
  animation: heartbeat 1.8s ease-in-out infinite;
}
.home-days-num {
  font-size: 62px; font-weight: 800; line-height: 1;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 3px 8px rgba(0,0,0,0.18));
}
.home-days-label { font-size: 14px; color: var(--text-light); margin-top: 10px; letter-spacing: 2px; }
@keyframes floatY { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-9px)} }

/* miss you */
.miss-you-btn {
  position: relative; z-index: 2;
  display: flex; align-items: center; justify-content: center; gap: 10px;
  padding: 15px 46px; border: none; border-radius: 26px; cursor: pointer;
  background: linear-gradient(135deg, #ff6b8a, #ff4786);
  color: #fff; font-size: 17px; font-weight: 700; letter-spacing: 4px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.25);
  transition: transform .15s, box-shadow .15s;
  animation: floatY 3.2s ease-in-out infinite 1.6s;
}
.miss-you-btn:hover { transform: translateY(-2px); box-shadow: 0 14px 34px rgba(0,0,0,0.3); }
.miss-you-btn:active { transform: scale(0.94); }
.miss-you-btn.pop { animation: missYouPop .5s ease; }
.miss-you-heart { font-size: 22px; display: inline-block; animation: heartbeat 1.4s ease-in-out infinite; }
.miss-count-chip {
  position: relative; z-index: 2;
  background: rgba(255,255,255,0.8); backdrop-filter: blur(8px);
  color: var(--primary-dark); font-size: 13px; font-weight: 700;
  padding: 9px 20px; border-radius: 20px; cursor: pointer;
  box-shadow: 0 4px 14px rgba(0,0,0,0.16);
  border: 1px solid rgba(255,255,255,0.6);
  transition: transform .15s, background .2s;
}
.miss-count-chip:hover { background: rgba(255,255,255,0.95); transform: translateY(-2px); }
.miss-count-chip span { font-size: 17px; margin: 0 2px; }
.miss-you-toast {
  position: fixed; top: 80px; left: 50%; transform: translateX(-50%); z-index: 50;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark)); color: #fff;
  padding: 12px 24px; border-radius: 24px; font-size: 14px; font-weight: 700;
  box-shadow: 0 8px 24px rgba(238,77,125,0.4); opacity: 0;
  white-space: nowrap; letter-spacing: 1px;
  cursor: pointer; pointer-events: auto;
}
.miss-you-toast.show { animation: toastIn 5s ease forwards; }
.miss-you-toast:hover { animation-play-state: paused; box-shadow: 0 10px 30px rgba(238,77,125,0.55); }

/* composer */
.composer {
  background: var(--card); border-radius: 20px; padding: 14px 16px;
  margin: 14px 14px 18px;
  box-shadow: var(--shadow); border: 1px solid var(--border);
}
.composer-head { display: flex; gap: 12px; align-items: flex-start; }
.composer textarea {
  flex: 1; border: none; outline: none; resize: none; font-size: 15px;
  line-height: 1.6; min-height: 54px; font-family: inherit; color: var(--text); background: transparent;
}
.composer-actions { display: flex; align-items: center; gap: 10px; margin-top: 10px; flex-wrap: wrap; }
.image-btn { display: inline-block; padding: 8px 14px; border: 1.5px dashed var(--primary); border-radius: 12px; color: var(--primary-dark); font-size: 13px; cursor: pointer; transition: background .2s; }
.image-btn:hover { background: var(--primary-light); }
.image-preview { display: flex; gap: 6px; flex-wrap: wrap; flex: 1; }
.image-preview img { width: 64px; height: 64px; object-fit: cover; border-radius: 10px; }
.post-count { margin-left: auto; font-size: 12px; color: var(--text-light); }

/* posts */
.post-list { display: flex; flex-direction: column; gap: 16px; padding: 0 14px; }
.post-card {
  background: var(--card); border-radius: 20px; padding: 16px;
  box-shadow: var(--shadow); border: 1px solid var(--border); animation: fadeInUp .4s ease both;
}
.post-head { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; }
.post-author { font-weight: 800; font-size: 15px; }
.post-time { font-size: 12px; color: var(--text-light); margin-top: 1px; }
.post-content { font-size: 15px; line-height: 1.7; white-space: pre-wrap; word-break: break-word; }
.post-images { display: grid; grid-template-columns: repeat(3, 1fr); gap: 4px; margin-top: 12px; }
.post-images img { width: 100%; aspect-ratio: 1; object-fit: cover; border-radius: 10px; cursor: pointer; transition: transform .2s; }
.post-images img:hover { transform: scale(1.02); }
.post-images.single { grid-template-columns: 1fr; }
.post-images.single img { max-height: 340px; aspect-ratio: auto; border-radius: 14px; }
.post-actions { display: flex; gap: 24px; margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--border); }
.action-btn { border: none; background: none; font-size: 13px; color: var(--text-light); cursor: pointer; display: flex; align-items: center; gap: 5px; transition: color .2s; }
.action-btn:hover { color: var(--primary-dark); }
.action-btn.liked { color: var(--primary-dark); font-weight: 800; }
.action-btn.pop { animation: pop .35s ease; }
.comment-list { margin-top: 10px; display: flex; flex-direction: column; gap: 6px; }
.comment-item { font-size: 13px; background: var(--bg); padding: 8px 12px; border-radius: 12px; line-height: 1.5; }
.comment-item b { color: var(--primary-dark); margin-right: 4px; }
.comment-input { display: flex; gap: 8px; margin-top: 12px; }
.comment-input input { flex: 1; border: 1.5px solid var(--border); border-radius: 22px; padding: 8px 16px; font-size: 13px; outline: none; background: #fff; transition: border-color .2s; }
.comment-input input:focus { border-color: var(--primary); }
.comment-input button { border: none; background: var(--primary); color: #fff; border-radius: 22px; padding: 8px 18px; font-size: 13px; cursor: pointer; transition: opacity .2s; }
.comment-input button:hover { opacity: .9; }

/* chat */
.chat-toolbar { display: flex; justify-content: flex-end; padding: 12px 14px 0; }
.chat-search-toggle {
  border: 1.5px solid var(--border); background: var(--card); color: var(--text-light);
  border-radius: 18px; padding: 6px 16px; font-size: 13px; cursor: pointer;
  transition: color .2s, border-color .2s;
}
.chat-search-toggle:hover { color: var(--primary-dark); border-color: var(--primary); }
.chat-search-bar {
  display: flex; flex-wrap: wrap; gap: 8px; align-items: center;
  padding: 10px 14px; background: var(--card); border-bottom: 1px solid var(--border);
}
.chat-search-bar input[type="text"] {
  flex: 1; min-width: 120px; border: 1.5px solid var(--border); border-radius: 20px;
  padding: 8px 14px; font-size: 13px; outline: none; background: #fff;
}
.chat-search-bar input[type="text"]:focus { border-color: var(--primary); }
.chat-search-bar input[type="date"] {
  border: 1.5px solid var(--border); border-radius: 10px; padding: 7px 10px;
  font-size: 12px; outline: none; background: #fff;
}
.chat-filter-btn {
  border: 1.5px solid var(--border); background: #fff; border-radius: 10px;
  padding: 7px 12px; font-size: 12px; color: var(--text-light); cursor: pointer; user-select: none;
  transition: background .2s, color .2s, border-color .2s;
}
.chat-filter-btn.active { background: var(--primary-light); border-color: var(--primary); color: var(--primary-dark); font-weight: 700; }
.chat-clear-btn { border: none; background: none; color: var(--text-light); font-size: 17px; cursor: pointer; padding: 4px 8px; }

.chat-list { display: flex; flex-direction: column; gap: 10px; padding: 14px; min-height: 52vh; max-height: 52vh; overflow-y: auto; }
.chat-row { display: flex; align-items: flex-end; gap: 8px; }
.chat-row.me { flex-direction: row-reverse; }
.chat-row .avatar { width: 30px; height: 30px; font-size: 13px; box-shadow: none; }
.chat-msg { max-width: 72%; padding: 10px 14px; font-size: 14px; line-height: 1.6; word-break: break-word; }
.chat-msg.me { background: linear-gradient(135deg, var(--primary), var(--primary-dark)); color: #fff; border-radius: 18px 18px 4px 18px; box-shadow: 0 4px 14px rgba(238,77,125,0.25); }
.chat-msg.them { background: var(--card); border: 1px solid var(--border); box-shadow: var(--shadow); border-radius: 18px 18px 18px 4px; }
.chat-msg .chat-sender { font-size: 11px; opacity: 0.8; margin-bottom: 2px; font-weight: 700; }
.chat-msg .chat-time { font-size: 10px; opacity: 0.6; margin-top: 4px; text-align: right; }
.chat-msg.them .chat-time { color: var(--text-light); }
.chat-images { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 6px; max-width: 250px; }
.chat-images img { width: 74px; height: 74px; object-fit: cover; border-radius: 10px; cursor: pointer; transition: transform .15s; }
.chat-images img:hover { transform: scale(1.05); }

.chat-input-bar {
  position: fixed; bottom: 74px; left: 50%; transform: translateX(-50%); width: 100%; max-width: 640px;
  padding: 10px 14px; background: rgba(255,255,255,0.92); backdrop-filter: blur(12px);
  border-top: 1px solid var(--border); box-shadow: 0 -6px 20px rgba(238,77,125,0.08);
}
.chat-input-row { display: flex; gap: 8px; width: 100%; align-items: center; }
.chat-image-btn {
  padding: 9px 14px; border: 1.5px dashed var(--primary); border-radius: 12px;
  color: var(--primary-dark); font-size: 13px; cursor: pointer; white-space: nowrap;
  transition: background .2s;
}
.chat-image-btn:hover { background: var(--primary-light); }
.chat-voice-btn {
  padding: 9px 14px; border: 1.5px solid var(--primary); border-radius: 12px;
  background: var(--primary-light); color: var(--primary-dark); font-size: 13px;
  cursor: pointer; white-space: nowrap; transition: background .2s;
}
.chat-voice-btn:hover { background: #ffd3e2; }
.voice-btn {
  padding: 8px 14px; border: 1.5px solid var(--primary); border-radius: 12px;
  background: var(--primary-light); color: var(--primary-dark); font-size: 13px;
  cursor: pointer; transition: background .2s;
}
.voice-btn:hover { background: #ffd3e2; }
.post-voice-chip { display: flex; align-items: center; }
.voice-chip {
  display: flex; align-items: center; gap: 8px; background: var(--bg);
  border: 1px solid var(--border); border-radius: 14px; padding: 5px 12px; font-size: 13px;
}
.voice-chip-remove { border: none; background: none; color: var(--text-light); cursor: pointer; font-size: 14px; padding: 0 2px; }
.voice-chip-remove:hover { color: #e0394f; }
.chat-image-preview { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 8px; }
.chat-image-preview img { width: 46px; height: 46px; object-fit: cover; border-radius: 10px; cursor: pointer; }
.chat-input-row input {
  flex: 1; border: 1.5px solid var(--border); border-radius: 26px; padding: 11px 18px;
  font-size: 14px; outline: none; background: #fff; transition: border-color .2s;
}
.chat-input-row input:focus { border-color: var(--primary); }

/* avatar */
.avatar {
  width: 42px; height: 42px; border-radius: 50%; flex-shrink: 0; display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 17px; font-weight: 800; box-shadow: 0 4px 12px rgba(0,0,0,0.12);
}
.avatar-c0 { background: linear-gradient(135deg, #ff5c8a, #ff8fb2); }
.avatar-c1 { background: linear-gradient(135deg, #7a9bff, #a5c0ff); }
.avatar-c2 { background: linear-gradient(135deg, #5fc98d, #9be0b6); }
.avatar-c3 { background: linear-gradient(135deg, #c085ff, #e0b8ff); }

/* profile */
.profile-card {
  position: relative; background: var(--card); border-radius: 22px; padding: 20px; margin: 0 14px 16px;
  box-shadow: var(--shadow); border: 1px solid var(--border);
}
.profile-card-header { font-size: 15px; font-weight: 700; color: var(--primary-dark); margin-bottom: 16px; text-align: center; }

/* mood float */
.mood-float {
  position: absolute; top: 16px; right: 16px; z-index: 5;
  width: 80px; height: 80px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 60px; line-height: 1; cursor: pointer; user-select: none;
  animation: moodLively 2.6s ease-in-out infinite;
}
.mood-float::before {
  content: '';
  position: absolute; inset: -8px; border-radius: 50%; z-index: -1;
  background: radial-gradient(circle, rgba(255,92,138,0.32) 0%, rgba(255,92,138,0.12) 55%, transparent 72%);
  animation: moodGlow 1.6s ease-in-out infinite;
}
.mood-float:hover { animation: moodLively 0.8s ease-in-out infinite; }
.mood-float:active { animation: moodLively 0.4s ease-in-out infinite; }
#myMoodFloat { animation-delay: 0s; }
#partnerMoodFloat { animation-delay: 1.3s; }
#myMoodFloat::before { animation-delay: 0s; }
#partnerMoodFloat::before { animation-delay: 0.8s; }

/* hobby orbit */
.hobby-orbit {
  position: relative; width: 300px; max-width: 100%; min-height: 200px;
  margin: 0 auto; display: flex; align-items: center; justify-content: center;
}
.hobby-badges { position: absolute; inset: 0; pointer-events: none; }
.hobby-badge {
  position: absolute; padding: 5px 12px; border-radius: 14px; font-size: 12px;
  white-space: nowrap; pointer-events: auto;
  box-shadow: 0 3px 10px rgba(238,77,125,0.16);
  animation: badgeFloat 3s ease-in-out infinite;
}
.hobby-badge.b0 { background: #ffe1eb; color: #ee4d7d; border: 1px solid #ffc3d8; }
.hobby-badge.b1 { background: #e3edff; color: #5b7dcc; border: 1px solid #c5d8ff; }
.hobby-badge.b2 { background: #e0f7e8; color: #3d9967; border: 1px solid #bfe9cf; }
.hobby-badge.b3 { background: #f3e8ff; color: #8a5bd6; border: 1px solid #ddc8ff; }
.hobby-badge.more {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff; border: none; cursor: pointer;
}
@keyframes badgeFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}
.hobby-add-btn {
  position: absolute; bottom: 6px; right: 6%; z-index: 6;
  width: 34px; height: 34px; border-radius: 50%; border: 2px dashed var(--primary);
  background: #fff; color: var(--primary-dark); font-size: 20px; line-height: 1;
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  transition: background .2s, transform .15s;
}
.hobby-add-btn:hover { background: var(--primary-light); transform: scale(1.1) rotate(90deg); }
.profile-avatar-area { display: flex; flex-direction: column; align-items: center; gap: 10px; }
.profile-avatar-wrapper { display: flex; flex-direction: column; align-items: center; gap: 8px; }
.profile-avatar {
  position: relative; width: 80px; height: 80px; border-radius: 50%; overflow: hidden;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  display: flex; align-items: center; justify-content: center;
}
.avatar-fallback {
  font-size: 32px; color: #fff; font-weight: 800;
}
.avatar-img {
  width: 100%; height: 100%; object-fit: cover; border-radius: 50%;
}
.online-dot {
  position: absolute; top: 2px; left: 2px; width: 16px; height: 16px; border-radius: 50%;
  border: 2.5px solid #fff; background: var(--gray); cursor: pointer; transition: background .3s;
}
.online-dot.online { background: var(--green); }
.avatar-upload-btn {
  font-size: 12px; color: var(--primary-dark); cursor: pointer; padding: 4px 12px;
  border: 1px dashed var(--primary); border-radius: 10px; transition: background .2s;
}
.avatar-upload-btn:hover { background: var(--primary-light); }
.profile-nickname-row { display: flex; align-items: center; justify-content: center; gap: 6px; margin-top: 10px; }
.profile-nickname { font-size: 18px; font-weight: 700; }
.profile-account-row {
  display: flex; align-items: center; justify-content: center; gap: 6px; margin-top: 8px;
}
.account-label {
  font-size: 10px; color: var(--text-light); background: var(--bg);
  border: 1px solid var(--border); padding: 2px 8px; border-radius: 8px; letter-spacing: 1px;
}
.profile-account { font-size: 12px; color: var(--text-light); letter-spacing: 1px; }
.nickname-edit-btn { border: none; background: none; color: var(--text-light); font-size: 14px; cursor: pointer; }
.nickname-edit-row { display: flex; align-items: center; justify-content: center; gap: 8px; margin-top: 10px; }
.nickname-edit-row input { border: 1.5px solid var(--border); border-radius: 10px; padding: 7px 12px; font-size: 14px; outline: none; width: 140px; }
.nickname-edit-row input:focus { border-color: var(--primary); }

/* online info */
.online-info { margin-top: 14px; padding-top: 14px; border-top: 1px solid var(--border); text-align: center; }
.online-info-title { font-size: 12px; color: var(--text-light); margin-bottom: 4px; }
.online-info-times { font-size: 13px; color: var(--text); }

/* mood picker */
.mood-picker-overlay {
  position: fixed; inset: 0; z-index: 60; background: rgba(0,0,0,0.5);
  display: flex; align-items: center; justify-content: center; padding: 20px;
}
.mood-picker {
  background: var(--card); border-radius: 22px; padding: 24px; width: 100%; max-width: 360px;
  box-shadow: var(--shadow-lg); text-align: center;
}
.mood-picker-title { font-size: 16px; font-weight: 700; color: var(--primary-dark); margin-bottom: 16px; }
.mood-picker-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.mood-item {
  display: flex; flex-direction: column; align-items: center; gap: 4px; padding: 10px 4px;
  border: 2px solid transparent; border-radius: 14px; cursor: pointer; transition: border-color .2s, background .2s;
}
.mood-item:hover { background: var(--primary-light); }
.mood-item.selected { border-color: var(--primary); background: var(--primary-light); }
.mood-emoji { font-size: 28px; }
.mood-name { font-size: 11px; color: var(--text-light); }
.mood-picker-close {
  margin-top: 16px; border: 1.5px solid var(--border); background: #fff; border-radius: 12px;
  padding: 8px 24px; font-size: 14px; cursor: pointer; color: var(--text-light);
}

/* anni edit overlay */
.anni-edit-overlay {
  position: fixed; inset: 0; z-index: 60; background: rgba(0,0,0,0.5);
  display: flex; align-items: center; justify-content: center; padding: 20px;
}
.anni-edit-box {
  background: var(--card); border-radius: 22px; padding: 26px; width: 100%; max-width: 320px;
  box-shadow: var(--shadow-lg); text-align: center;
}
.anni-edit-title { font-size: 16px; font-weight: 700; color: var(--primary-dark); margin-bottom: 16px; }
.anni-edit-box input {
  border: 1.5px solid var(--border); border-radius: 12px; padding: 9px 12px; font-size: 14px;
  outline: none; width: 100%; background: #fff;
}
.anni-edit-box input:focus { border-color: var(--primary); }
.anni-edit-btns { display: flex; gap: 10px; justify-content: center; margin-top: 16px; }

/* hobby picker */
.hobby-picker-overlay {
  position: fixed; inset: 0; z-index: 60; background: rgba(0,0,0,0.5);
  display: flex; align-items: center; justify-content: center; padding: 20px;
}
.hobby-picker {
  background: var(--card); border-radius: 22px; padding: 24px; width: 100%; max-width: 400px;
  box-shadow: var(--shadow-lg); text-align: center;
  max-height: 80vh; overflow-y: auto;
}
.hobby-picker-title { font-size: 16px; font-weight: 700; color: var(--primary-dark); margin-bottom: 16px; }
.hobby-picker-grid { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; }
.hobby-option {
  padding: 7px 14px; border-radius: 16px; border: 1.5px solid var(--border);
  font-size: 13px; color: var(--text); cursor: pointer; background: #fff;
  transition: background .2s, color .2s, border-color .2s; user-select: none;
}
.hobby-option:hover { border-color: var(--primary); }
.hobby-option.selected {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff; border-color: var(--primary);
}
.hobby-custom-row { display: flex; gap: 8px; margin-top: 16px; }
.hobby-custom-row input {
  flex: 1; border: 1.5px solid var(--border); border-radius: 12px; padding: 9px 12px;
  font-size: 13px; outline: none; background: #fff;
}
.hobby-custom-row input:focus { border-color: var(--primary); }
.hobby-picker-done {
  margin-top: 16px; width: 100%; padding: 11px; border: none; border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff; font-size: 15px; font-weight: 700; cursor: pointer;
}

/* miss you list overlay */
.miss-you-overlay {
  position: fixed; inset: 0; z-index: 60; background: rgba(0,0,0,0.5);
  display: flex; align-items: center; justify-content: center; padding: 20px;
}
.miss-you-box {
  background: var(--card); border-radius: 22px; padding: 24px; width: 100%; max-width: 360px;
  box-shadow: var(--shadow-lg); text-align: center;
  max-height: 70vh; display: flex; flex-direction: column;
}
.miss-you-box-title { font-size: 17px; font-weight: 700; color: var(--primary-dark); margin-bottom: 6px; }
.miss-you-total { font-size: 13px; color: var(--text-light); margin-bottom: 14px; }
.miss-you-list { flex: 1; overflow-y: auto; display: flex; flex-direction: column; gap: 8px; text-align: left; }
.miss-you-item {
  display: flex; align-items: center; gap: 10px; padding: 10px 14px; border-radius: 12px;
  background: var(--primary-light); font-size: 13px; color: var(--primary-dark);
}
.miss-you-item .m-heart { font-size: 14px; }
.miss-you-item .m-time { margin-left: auto; font-size: 12px; color: var(--text-light); }
.miss-you-empty { color: var(--text-light); font-size: 13px; padding: 24px 0; text-align: center; }

/* voice */
.voice-rec-bar {
  position: fixed; bottom: 78px; left: 50%; transform: translateX(-50%); z-index: 45;
  display: flex; align-items: center; gap: 12px;
  background: #fff; border-radius: 28px; padding: 11px 18px;
  box-shadow: var(--shadow-lg); border: 1px solid var(--border);
  width: calc(100% - 40px); max-width: 600px;
}
.rec-dot { width: 10px; height: 10px; border-radius: 50%; background: #e0394f; animation: recPulse 1s ease-in-out infinite; }
@keyframes recPulse { 0%,100% { opacity: 1; transform: scale(1); } 50% { opacity: 0.35; transform: scale(1.5); } }
.rec-time { font-size: 15px; font-weight: 800; color: #e0394f; font-variant-numeric: tabular-nums; min-width: 44px; }
.rec-hint { flex: 1; font-size: 13px; color: var(--text-light); }
.voice-player { display: inline-flex; align-items: center; gap: 9px; vertical-align: middle; }
.voice-play-btn {
  width: 34px; height: 34px; border-radius: 50%; border: none; flex-shrink: 0;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff; font-size: 12px; cursor: pointer; transition: transform .15s;
}
.voice-play-btn:hover { transform: scale(1.08); }
.voice-dur { font-size: 12px; }
.voice-bars { display: flex; gap: 3px; align-items: center; }
.voice-bars i { width: 3px; height: 8px; border-radius: 2px; background: var(--primary-2); opacity: .6; transition: height .2s; }
.voice-player.playing .voice-bars i { animation: barAnim 0.9s ease-in-out infinite; }
.voice-player.playing .voice-bars i:nth-child(2) { animation-delay: .18s; }
.voice-player.playing .voice-bars i:nth-child(3) { animation-delay: .36s; }
@keyframes barAnim { 0%,100% { height: 5px; } 50% { height: 15px; } }
.chat-msg .voice-player { margin-top: 4px; }
.chat-msg.me .voice-dur { color: rgba(255,255,255,0.85); }
.chat-msg.me .voice-bars i { background: rgba(255,255,255,0.85); }
.post-card .voice-player { margin-top: 10px; background: var(--bg); border-radius: 16px; padding: 8px 12px; }
.post-card .voice-dur { color: var(--text-light); }

/* tab bar */
.tab-bar {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 20; display: flex;
  background: rgba(255,255,255,0.92); backdrop-filter: blur(12px);
  border-top: 1px solid var(--border); padding: 6px 8px calc(6px + env(safe-area-inset-bottom));
}
.tab-btn {
  flex: 1; border: none; background: none; padding: 8px 0; font-size: 11px; color: var(--text-light);
  cursor: pointer; display: flex; flex-direction: column; align-items: center; gap: 3px;
  border-radius: 14px; transition: color .2s, background .2s;
}
.tab-btn span { font-size: 20px; line-height: 1; transition: transform .2s; }
.tab-btn.active { color: var(--primary-dark); font-weight: 800; background: var(--primary-light); }
.tab-btn.active span { transform: scale(1.15); }

/* lightbox */
.lightbox {
  position: fixed; inset: 0; background: rgba(0,0,0,0.92); z-index: 100;
  display: flex; align-items: center; justify-content: center; cursor: zoom-out; animation: fadeInUp .2s ease;
}
.lightbox img { max-width: 95%; max-height: 95%; border-radius: 10px; }

.feed-empty, .empty-text { text-align: center; color: var(--text-light); padding: 60px 0; font-size: 14px; }

@media (min-width: 700px) {
  .post-images { grid-template-columns: repeat(4, 1fr); }
  .tab-panel { padding: 0; }
}