/* TrendTack Global Styles */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #080810; --bg2: #0f0f1a; --bg3: #16162a;
  --card: rgba(255,255,255,0.04); --card-solid: #0f0f1a;
  --card-border: rgba(255,255,255,0.08);
  --text: #f0f0ff; --text2: #a0a0c0; --text3: #606080;
  --accent: #7c5cfc; --accent2: #00d4ff; --accent-glow: rgba(124,92,252,0.3);
  --input-bg: rgba(255,255,255,0.06); --input-border: rgba(255,255,255,0.1);
  --nav-bg: rgba(8,8,16,0.85);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
}
[data-theme="light"] {
  --bg: #f4f4ff; --bg2: #eaeaf8; --bg3: #fff;
  --card: rgba(255,255,255,0.9); --card-solid: #fff;
  --card-border: rgba(0,0,0,0.08);
  --text: #0a0a1a; --text2: #404060; --text3: #8080a0;
  --accent: #6040f0; --accent2: #0099cc; --accent-glow: rgba(96,64,240,0.2);
  --input-bg: rgba(0,0,0,0.04); --input-border: rgba(0,0,0,0.1);
  --nav-bg: rgba(244,244,255,0.85);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg); color: var(--text);
  transition: background .3s, color .3s;
  overflow-x: hidden;
}

/* ── NAV ── */
nav.main-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 32px; gap: 20px;
  background: var(--bg2);
  border-bottom: 1px solid var(--card-border);
}
.nav-logo { display: flex; align-items: center; gap: 9px; text-decoration: none; flex-shrink: 0; }
.nav-logo img { width: 30px; height: 30px; border-radius: 9px; }
.nav-logo-text { font-size: 18px; font-weight: 900; background: linear-gradient(135deg, var(--accent), var(--accent2)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.nav-right { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
.nav-icon-btn {
  min-width: 44px; min-height: 44px; border-radius: 11px;
  background: var(--input-bg); border: 1px solid var(--input-border);
  color: var(--text2); font-size: 18px; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all .2s; text-decoration: none;
}
.nav-icon-btn:hover { background: var(--card-border); color: var(--text); }
.nav-icon-btn.active { background: rgba(124,92,252,0.15); border-color: var(--accent); color: var(--accent); }

/* ── BOTTOM NAV ── */
.bottom-nav {
  display: none;
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 200;
  background: var(--bg2); border-top: 1px solid var(--card-border);
  padding-bottom: max(8px, var(--safe-bottom));
}
.bottom-nav-inner { display: flex; justify-content: space-around; align-items: center; padding: 4px 0; }
.bn-item {
  display: flex; flex-direction: column; align-items: center; gap: 2px;
  text-decoration: none; color: var(--text3); font-size: 22px;
  min-width: 44px; min-height: 44px; padding: 4px 8px;
  border-radius: 12px; transition: color .2s; justify-content: center;
}
.bn-item span { font-size: 10px; font-weight: 700; }
.bn-item.active { color: var(--accent); }
.bn-item.bn-plus {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff; border-radius: 14px; font-size: 26px;
  min-width: 50px; min-height: 44px; margin: 0 4px;
  box-shadow: 0 4px 16px var(--accent-glow);
}
.bn-item.bn-plus span { display: none; }
@media (max-width: 600px) {
  .bottom-nav { display: block; }
  .nav-hide-mobile { display: none !important; }
}

/* ── SKELETON ── */
@keyframes shimmer {
  0% { background-position: -400px 0; }
  100% { background-position: 400px 0; }
}
.skeleton {
  background: linear-gradient(90deg, var(--input-bg) 25%, var(--card-border) 50%, var(--input-bg) 75%);
  background-size: 800px 100%;
  animation: shimmer 1.4s infinite;
  border-radius: 8px;
}
.skeleton-card { background: var(--card-solid); border: 1px solid var(--card-border); border-radius: 22px; padding: 14px 16px; margin-bottom: 16px; }
.skeleton-header { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.skeleton-av { width: 40px; height: 40px; border-radius: 50%; flex-shrink: 0; }
.skeleton-line { height: 12px; border-radius: 6px; }
.skeleton-img { width: 100%; height: 280px; border-radius: 12px; margin-bottom: 12px; }

/* ── OFFLINE BANNER ── */
#offline-banner {
  display: none; position: fixed; top: 60px; left: 50%; transform: translateX(-50%);
  z-index: 9999; background: #ef4444; color: #fff;
  padding: 10px 24px; border-radius: 24px; font-size: 13px; font-weight: 700;
  box-shadow: 0 8px 24px rgba(239,68,68,0.4);
  animation: slideDown .3s ease;
}
#offline-banner.show { display: block; }
@keyframes slideDown { from { transform: translateX(-50%) translateY(-20px); opacity: 0; } to { transform: translateX(-50%) translateY(0); opacity: 1; } }

/* ── PULL TO REFRESH ── */
#ptr-indicator {
  text-align: center; padding: 0; overflow: hidden;
  max-height: 0; transition: max-height .3s, padding .3s;
  color: var(--accent); font-size: 13px; font-weight: 600;
}
#ptr-indicator.active { max-height: 60px; padding: 12px 0; }
.ptr-spinner { width: 24px; height: 24px; border: 2px solid var(--input-border); border-top-color: var(--accent); border-radius: 50%; animation: spin .7s linear infinite; margin: 0 auto 4px; display: none; }
.ptr-spinner.spin { display: block; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ── POST MENU ── */
.post-menu-btn {
  margin-left: auto; background: none; border: none;
  color: var(--text3); font-size: 20px; cursor: pointer;
  min-width: 44px; min-height: 44px; display: flex; align-items: center; justify-content: center;
  border-radius: 10px; transition: background .2s;
}
.post-menu-btn:hover { background: var(--input-bg); color: var(--text); }
.post-menu-popup {
  position: absolute; top: 44px; right: 8px; z-index: 200;
  background: var(--card-solid); border: 1px solid var(--card-border);
  border-radius: 14px; overflow: hidden;
  box-shadow: 0 16px 48px rgba(0,0,0,0.4); min-width: 200px; display: none;
}
.post-menu-popup.open { display: block; }
.pm-item {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 16px; font-size: 14px; font-weight: 500;
  color: var(--text); cursor: pointer; transition: background .15s; border: none;
  background: none; width: 100%; text-align: left;
}
.pm-item:hover { background: var(--input-bg); }
.pm-item.danger { color: #ef4444; }

/* ── INFINITE SCROLL LOADER ── */
#load-more { text-align: center; padding: 20px; color: var(--text3); font-size: 13px; }
.load-more-spinner { width: 28px; height: 28px; border: 2px solid var(--input-border); border-top-color: var(--accent); border-radius: 50%; animation: spin .7s linear infinite; margin: 0 auto; }