/* GeekWave - Apple Design System */
:root {
  --gw-bg: #f5f5f7;
  --gw-surface: #ffffff;
  --gw-surface-2: #f2f2f2;
  --gw-text: #1d1d1f;
  --gw-text-2: #6e6e73;
  --gw-text-3: #86868b;
  --gw-border: rgba(0,0,0,0.08);
  --gw-accent: #0071e3;
  --gw-accent-hover: #0077ed;
  --gw-accent-2: #30d158;
  --gw-danger: #ff3b30;
  --gw-radius: 14px;
  --gw-radius-sm: 8px;
  --gw-radius-pill: 100px;
  --gw-shadow: 0 2px 20px rgba(0,0,0,0.08);
  --gw-shadow-lg: 0 8px 40px rgba(0,0,0,0.12);
  --gw-font: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', sans-serif;
  --gw-transition: 0.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --gw-max-w: 1200px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --gw-bg: #000000;
    --gw-surface: #1c1c1e;
    --gw-surface-2: #2c2c2e;
    --gw-text: #f5f5f7;
    --gw-text-2: #ebebf5cc;
    --gw-text-3: #ebebf599;
    --gw-border: rgba(255,255,255,0.1);
    --gw-shadow: 0 2px 20px rgba(0,0,0,0.4);
    --gw-shadow-lg: 0 8px 40px rgba(0,0,0,0.5);
  }
}

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

/* APP LAYOUT */
.gw-app {
  display: grid;
  grid-template-columns: 260px 1fr 280px;
  gap: 24px;
  max-width: var(--gw-max-w);
  margin: 0 auto;
  padding: 24px 16px;
  min-height: 100vh;
  font-family: var(--gw-font);
  color: var(--gw-text);
  background: var(--gw-bg);
}

/* CARD */
.gw-card {
  background: var(--gw-surface);
  border-radius: var(--gw-radius);
  box-shadow: var(--gw-shadow);
  border: 0.5px solid var(--gw-border);
  padding: 20px;
}

/* SIDEBARS */
.gw-sidebar {
  display: flex;
  flex-direction: column;
  gap: 16px;
  position: sticky;
  top: 24px;
  height: fit-content;
}

/* PROFILE CARD */
.gw-profile-card {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--gw-surface);
  border-radius: var(--gw-radius);
  border: 0.5px solid var(--gw-border);
  box-shadow: var(--gw-shadow);
  padding: 16px;
}
.gw-profile-info { display: flex; flex-direction: column; }
.gw-profile-info strong { font-size: 15px; font-weight: 600; }
.gw-profile-info span { font-size: 13px; color: var(--gw-text-3); }

/* AVATARS */
.gw-avatar-lg { width: 52px; height: 52px; border-radius: 50%; object-fit: cover; flex-shrink: 0; }
.gw-avatar-sm { width: 38px; height: 38px; border-radius: 50%; object-fit: cover; flex-shrink: 0; }
.gw-avatar-xs { width: 30px; height: 30px; border-radius: 50%; object-fit: cover; flex-shrink: 0; }

/* NAV */
.gw-nav { display: flex; flex-direction: column; gap: 4px; background: var(--gw-surface); border-radius: var(--gw-radius); border: 0.5px solid var(--gw-border); padding: 8px; box-shadow: var(--gw-shadow); }
.gw-nav-link {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px;
  border-radius: var(--gw-radius-sm);
  text-decoration: none; color: var(--gw-text); font-size: 15px; font-weight: 500;
  transition: background var(--gw-transition);
  cursor: pointer;
}
.gw-nav-link:hover { background: var(--gw-surface-2); }
.gw-nav-link.gw-active { background: var(--gw-accent); color: #fff; }
.gw-icon { font-size: 16px; }

/* LOGO / AUTH PROMO */
.gw-auth-promo { background: var(--gw-surface); border-radius: var(--gw-radius); padding: 24px; box-shadow: var(--gw-shadow); text-align: center; }
.gw-logo { font-size: 22px; font-weight: 700; color: var(--gw-accent); margin-bottom: 12px; }
.gw-auth-promo p { font-size: 14px; color: var(--gw-text-2); line-height: 1.5; margin-bottom: 16px; }

/* BUTTONS */
.gw-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 10px 20px; border-radius: var(--gw-radius-pill);
  font-size: 15px; font-weight: 500; font-family: var(--gw-font);
  cursor: pointer; border: none; transition: all var(--gw-transition);
  white-space: nowrap; text-decoration: none;
}
.gw-btn-primary { background: var(--gw-accent); color: #fff; }
.gw-btn-primary:hover { background: var(--gw-accent-hover); transform: scale(1.02); }
.gw-btn-secondary { background: var(--gw-surface-2); color: var(--gw-text); border: 0.5px solid var(--gw-border); }
.gw-btn-secondary:hover { background: var(--gw-border); }
.gw-btn-danger { background: var(--gw-danger); color: #fff; }
.gw-btn-full { width: 100%; margin-top: 8px; }
.gw-btn-sm { padding: 7px 14px; font-size: 13px; }
.gw-btn-logout { background: none; color: var(--gw-text-3); font-size: 13px; border: 0.5px solid var(--gw-border); padding: 8px 14px; border-radius: var(--gw-radius-pill); cursor: pointer; transition: all var(--gw-transition); align-self: flex-start; }
.gw-btn-logout:hover { color: var(--gw-danger); border-color: var(--gw-danger); }

/* CREATE POST */
.gw-create-post { margin-bottom: 16px; }
.gw-create-header { display: flex; gap: 12px; align-items: flex-start; margin-bottom: 12px; }
.gw-textarea {
  flex: 1; background: var(--gw-surface-2); border: none; border-radius: var(--gw-radius-sm);
  padding: 12px; font-size: 15px; font-family: var(--gw-font); color: var(--gw-text);
  resize: none; transition: all var(--gw-transition); outline: none; line-height: 1.5;
}
.gw-textarea:focus { background: var(--gw-surface); box-shadow: 0 0 0 2px var(--gw-accent); }
.gw-create-media { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.gw-media-btn {
  display: inline-flex; align-items: center; gap: 6px; padding: 7px 14px;
  background: var(--gw-surface-2); border: 0.5px solid var(--gw-border);
  border-radius: var(--gw-radius-pill); font-size: 13px; color: var(--gw-text-2);
  cursor: pointer; transition: all var(--gw-transition); font-family: var(--gw-font);
}
.gw-media-btn:hover { background: var(--gw-border); color: var(--gw-text); }
.gw-media-preview { margin-top: 12px; }
.gw-preview-item { position: relative; display: inline-block; margin-right: 8px; }
.gw-preview-item img { max-height: 120px; border-radius: var(--gw-radius-sm); border: 0.5px solid var(--gw-border); }
.gw-preview-remove { position: absolute; top: -6px; right: -6px; background: var(--gw-danger); color: #fff; border: none; border-radius: 50%; width: 20px; height: 20px; cursor: pointer; font-size: 11px; display: flex; align-items: center; justify-content: center; }

/* RECORDER */
.gw-record-ui { background: var(--gw-surface-2); border-radius: var(--gw-radius-sm); padding: 14px; margin-top: 12px; }
.gw-record-info { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.gw-record-dot { width: 10px; height: 10px; background: var(--gw-danger); border-radius: 50%; animation: pulse 1s infinite; }
@keyframes pulse { 0%,100%{opacity:1;} 50%{opacity:0.3;} }
#gw-record-timer { font-size: 18px; font-weight: 600; font-variant-numeric: tabular-nums; }
.gw-record-max { font-size: 12px; color: var(--gw-text-3); }
.gw-record-bar { height: 4px; background: var(--gw-border); border-radius: 2px; margin-bottom: 12px; overflow: hidden; }
.gw-record-fill { height: 100%; background: var(--gw-danger); border-radius: 2px; transition: width 1s linear; width: 0; }
.gw-record-actions { display: flex; gap: 8px; }

/* FEED FILTER */
.gw-feed-filter { display: flex; gap: 8px; margin-bottom: 16px; }
.gw-filter-btn {
  padding: 8px 18px; border-radius: var(--gw-radius-pill); border: 0.5px solid var(--gw-border);
  background: var(--gw-surface); color: var(--gw-text-2); font-size: 14px; cursor: pointer;
  transition: all var(--gw-transition); font-family: var(--gw-font);
}
.gw-filter-btn.gw-active { background: var(--gw-text); color: var(--gw-surface); border-color: var(--gw-text); }

/* FEED */
.gw-feed { display: flex; flex-direction: column; gap: 16px; }

/* POST CARD */
.gw-post {
  background: var(--gw-surface);
  border-radius: var(--gw-radius);
  border: 0.5px solid var(--gw-border);
  box-shadow: var(--gw-shadow);
  padding: 20px;
  animation: slideIn 0.3s ease;
}
@keyframes slideIn { from { opacity:0; transform: translateY(10px); } to { opacity:1; transform: translateY(0); } }

.gw-post-header { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.gw-post-user { display: flex; flex-direction: column; flex: 1; }
.gw-post-name { font-size: 15px; font-weight: 600; }
.gw-post-meta { font-size: 12px; color: var(--gw-text-3); }
.gw-post-options { margin-left: auto; }
.gw-post-delete { background: none; border: none; cursor: pointer; color: var(--gw-text-3); font-size: 13px; padding: 4px 8px; border-radius: var(--gw-radius-sm); transition: all var(--gw-transition); }
.gw-post-delete:hover { color: var(--gw-danger); background: rgba(255,59,48,0.1); }

.gw-post-content { font-size: 16px; line-height: 1.6; color: var(--gw-text); margin-bottom: 14px; word-break: break-word; }

.gw-post-photo { width: 100%; max-height: 400px; object-fit: cover; border-radius: var(--gw-radius-sm); margin-bottom: 14px; display: block; }

/* AUDIO PLAYER */
.gw-audio-player { background: var(--gw-surface-2); border-radius: var(--gw-radius-sm); padding: 14px; margin-bottom: 14px; display: flex; align-items: center; gap: 12px; }
.gw-play-btn { width: 38px; height: 38px; border-radius: 50%; background: var(--gw-accent); border: none; cursor: pointer; display: flex; align-items: center; justify-content: center; color: #fff; font-size: 14px; flex-shrink: 0; transition: transform var(--gw-transition); }
.gw-play-btn:hover { transform: scale(1.08); }
.gw-audio-info { flex: 1; min-width: 0; }
.gw-audio-bar { width: 100%; height: 3px; background: var(--gw-border); border-radius: 2px; cursor: pointer; position: relative; margin-top: 6px; }
.gw-audio-progress { height: 100%; background: var(--gw-accent); border-radius: 2px; transition: width 0.1s linear; width: 0; }
.gw-audio-time { font-size: 12px; color: var(--gw-text-3); margin-top: 4px; font-variant-numeric: tabular-nums; }

/* REACTIONS */
.gw-reactions { display: flex; align-items: center; gap: 6px; padding: 12px 0; border-top: 0.5px solid var(--gw-border); border-bottom: 0.5px solid var(--gw-border); margin-bottom: 12px; flex-wrap: wrap; }
.gw-reaction-btn {
  display: inline-flex; align-items: center; gap: 5px; padding: 6px 12px;
  border-radius: var(--gw-radius-pill); border: 0.5px solid var(--gw-border);
  background: var(--gw-surface-2); cursor: pointer; font-size: 13px; color: var(--gw-text-2);
  transition: all var(--gw-transition); font-family: var(--gw-font);
}
.gw-reaction-btn:hover { background: var(--gw-surface); transform: scale(1.05); }
.gw-reaction-btn.gw-reacted { background: rgba(0,113,227,0.1); border-color: var(--gw-accent); color: var(--gw-accent); }
.gw-reaction-more { position: relative; }
.gw-reaction-picker {
  position: absolute; bottom: calc(100% + 8px); left: 0;
  background: var(--gw-surface); border-radius: var(--gw-radius-sm);
  border: 0.5px solid var(--gw-border); box-shadow: var(--gw-shadow-lg);
  display: flex; gap: 4px; padding: 8px; z-index: 100;
}
.gw-reaction-emoji { font-size: 22px; cursor: pointer; padding: 4px; border-radius: var(--gw-radius-sm); transition: transform var(--gw-transition); }
.gw-reaction-emoji:hover { transform: scale(1.3); }
.gw-post-actions { display: flex; gap: 8px; }
.gw-action-btn { background: none; border: 0.5px solid var(--gw-border); color: var(--gw-text-2); padding: 7px 14px; border-radius: var(--gw-radius-pill); font-size: 13px; cursor: pointer; transition: all var(--gw-transition); display: flex; align-items: center; gap: 5px; font-family: var(--gw-font); }
.gw-action-btn:hover { background: var(--gw-surface-2); color: var(--gw-text); }

/* COMMENTS */
.gw-comments { margin-top: 14px; }
.gw-comment-form { display: flex; gap: 8px; margin-bottom: 14px; }
.gw-comment-input { flex: 1; background: var(--gw-surface-2); border: none; border-radius: var(--gw-radius-pill); padding: 10px 16px; font-size: 14px; font-family: var(--gw-font); color: var(--gw-text); outline: none; transition: all var(--gw-transition); }
.gw-comment-input:focus { box-shadow: 0 0 0 2px var(--gw-accent); background: var(--gw-surface); }
.gw-comment-submit { background: var(--gw-accent); color: #fff; border: none; border-radius: var(--gw-radius-pill); padding: 10px 16px; font-size: 13px; cursor: pointer; font-family: var(--gw-font); transition: all var(--gw-transition); }
.gw-comment-submit:hover { transform: scale(1.03); }

.gw-comment { display: flex; gap: 8px; margin-bottom: 12px; }
.gw-comment-body { flex: 1; }
.gw-comment-bubble { background: var(--gw-surface-2); border-radius: 0 var(--gw-radius-sm) var(--gw-radius-sm) var(--gw-radius-sm); padding: 10px 14px; }
.gw-comment-author { font-size: 13px; font-weight: 600; margin-bottom: 3px; }
.gw-comment-text { font-size: 14px; line-height: 1.5; color: var(--gw-text); }
.gw-comment-footer { display: flex; align-items: center; gap: 10px; padding: 4px 2px; }
.gw-comment-time { font-size: 12px; color: var(--gw-text-3); }
.gw-comment-like, .gw-comment-reply { background: none; border: none; font-size: 12px; color: var(--gw-text-3); cursor: pointer; font-family: var(--gw-font); padding: 2px 4px; border-radius: 4px; transition: color var(--gw-transition); }
.gw-comment-like:hover { color: var(--gw-accent); }
.gw-comment-reply:hover { color: var(--gw-text); }
.gw-replies { margin-left: 38px; margin-top: 8px; }

/* LOADER */
.gw-loader { text-align: center; padding: 24px; }
.gw-spinner { width: 28px; height: 28px; border: 2.5px solid var(--gw-border); border-top-color: var(--gw-accent); border-radius: 50%; animation: spin 0.7s linear infinite; margin: 0 auto; }
@keyframes spin { to { transform: rotate(360deg); } }
.gw-no-more { text-align: center; padding: 20px; color: var(--gw-text-3); font-size: 14px; }

/* WIDGETS */
.gw-widget { margin-bottom: 0; }
.gw-widget-title { font-size: 14px; font-weight: 600; margin-bottom: 14px; color: var(--gw-text); }
.gw-top-list { display: flex; flex-direction: column; gap: 10px; }
.gw-top-item { display: flex; align-items: center; gap: 8px; }
.gw-top-info { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.gw-top-user { font-size: 12px; font-weight: 600; color: var(--gw-text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.gw-top-content { font-size: 12px; color: var(--gw-text-3); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.gw-reaction-badge { background: var(--gw-surface-2); border-radius: var(--gw-radius-pill); padding: 3px 8px; font-size: 11px; color: var(--gw-text-2); white-space: nowrap; flex-shrink: 0; }
.gw-footer-text { font-size: 12px; color: var(--gw-text-3); line-height: 1.6; text-align: center; }

/* MODAL */
.gw-modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.45); z-index: 1000; display: flex; align-items: center; justify-content: center; backdrop-filter: blur(8px); }
.gw-modal { background: var(--gw-surface); border-radius: 20px; padding: 32px; width: 360px; max-width: calc(100vw - 32px); position: relative; box-shadow: var(--gw-shadow-lg); }
.gw-modal-close { position: absolute; top: 16px; right: 16px; background: var(--gw-surface-2); border: none; border-radius: 50%; width: 28px; height: 28px; cursor: pointer; font-size: 13px; color: var(--gw-text-2); transition: all var(--gw-transition); }
.gw-modal-close:hover { background: var(--gw-border); }
.gw-auth-form h2 { font-size: 22px; font-weight: 700; margin-bottom: 6px; }
.gw-auth-form p { font-size: 14px; color: var(--gw-text-3); margin-bottom: 20px; }
.gw-input { width: 100%; background: var(--gw-surface-2); border: 0.5px solid var(--gw-border); border-radius: var(--gw-radius-sm); padding: 12px 16px; font-size: 15px; font-family: var(--gw-font); color: var(--gw-text); outline: none; margin-bottom: 10px; transition: all var(--gw-transition); }
.gw-input:focus { border-color: var(--gw-accent); box-shadow: 0 0 0 3px rgba(0,113,227,0.15); }
.gw-error { background: rgba(255,59,48,0.1); color: var(--gw-danger); border-radius: var(--gw-radius-sm); padding: 10px 14px; font-size: 13px; margin-bottom: 10px; }
.gw-switch-auth { font-size: 13px; color: var(--gw-text-3); text-align: center; margin-top: 14px; }
.gw-switch-auth a { color: var(--gw-accent); text-decoration: none; }

/* TOAST */
.gw-toast { position: fixed; bottom: 32px; left: 50%; transform: translateX(-50%); background: var(--gw-text); color: var(--gw-surface); padding: 12px 24px; border-radius: var(--gw-radius-pill); font-size: 14px; z-index: 2000; box-shadow: var(--gw-shadow-lg); animation: fadeIn 0.2s ease; white-space: nowrap; }
@keyframes fadeIn { from {opacity:0; transform: translate(-50%, 10px)} to {opacity:1; transform: translate(-50%, 0)} }

/* RESPONSIVE */
@media (max-width: 1024px) {
  .gw-app { grid-template-columns: 220px 1fr; }
  .gw-sidebar-right { display: none; }
}
@media (max-width: 680px) {
  .gw-app { grid-template-columns: 1fr; padding: 12px; gap: 12px; }
  .gw-sidebar-left { position: static; }
  .gw-nav { flex-direction: row; flex-wrap: wrap; }
  .gw-profile-card { display: none; }
}