/* ═══════════════════════════════════════════════════════
   ZOKALS — Premium Dark Theme CSS
   ═══════════════════════════════════════════════════════ */

/* ── Variables ── */
:root {
  --zk-bg:        #0a0a0a;
  --zk-bg-card:   #141414;
  --zk-bg-card2:  #1a1a1a;
  --zk-bg-input:  #1e1e1e;
  --zk-border:    #2a2a2a;
  --zk-red:       #dc143c;
  --zk-red-dark:  #a50e2c;
  --zk-red-glow:  rgba(220,20,60,0.25);
  --zk-text:      #f0f0f0;
  --zk-text-muted:#888;
  --zk-text-dim:  #555;
  --zk-white:     #ffffff;
  --zk-radius:    12px;
  --zk-radius-sm: 8px;
  --zk-radius-xs: 4px;
  --zk-header-h:  56px;
  --zk-nav-h:     64px;
  --zk-shadow:    0 4px 24px rgba(0,0,0,0.7);
  --zk-font:      -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body.zokals-body {
  font-family: var(--zk-font);
  background: var(--zk-bg);
  color: var(--zk-text);
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, textarea { font-family: inherit; }
a { color: var(--zk-red); text-decoration: none; }
img { display: block; }

/* ── App Shell ── */
.zk-app { width: 100%; max-width: 480px; margin: 0 auto; min-height: 100vh; position: relative; background: var(--zk-bg); }

/* ═══════════════════ AUTH SCREEN ═══════════════════ */
.zk-auth-screen {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 32px 24px;
  background: radial-gradient(ellipse at top, #1a0508 0%, var(--zk-bg) 70%);
}
.zk-auth-brand { text-align: center; margin-bottom: 40px; }
.zk-logo { font-size: 48px; font-weight: 900; color: var(--zk-red); letter-spacing: 6px; text-shadow: 0 0 40px var(--zk-red-glow); }
.zk-tagline { color: var(--zk-text-muted); font-size: 14px; margin-top: 8px; letter-spacing: 2px; text-transform: uppercase; }

.zk-auth-tabs { display: flex; gap: 0; border-radius: var(--zk-radius); background: var(--zk-bg-card); padding: 4px; margin-bottom: 24px; width: 100%; max-width: 320px; }
.zk-auth-tab {
  flex: 1; padding: 10px; font-size: 14px; font-weight: 600; border-radius: 10px;
  color: var(--zk-text-muted); transition: all 0.2s;
}
.zk-auth-tab.active { background: var(--zk-red); color: #fff; }

.zk-auth-form { width: 100%; max-width: 320px; display: flex; flex-direction: column; gap: 12px; }
.zk-field { position: relative; }
.zk-field input {
  width: 100%; padding: 14px 16px; background: var(--zk-bg-input); border: 1px solid var(--zk-border);
  border-radius: var(--zk-radius-sm); color: var(--zk-text); font-size: 15px;
  transition: border-color 0.2s;
  -webkit-appearance: none;
}
.zk-field input:focus { outline: none; border-color: var(--zk-red); box-shadow: 0 0 0 2px var(--zk-red-glow); }
.zk-role-select { display: flex; gap: 24px; justify-content: center; }
.zk-role-select label { display: flex; align-items: center; gap: 8px; font-size: 15px; color: var(--zk-text-muted); cursor: pointer; }
.zk-role-select input[type="radio"]:checked + span, .zk-role-select label:has(input:checked) { color: var(--zk-red); }
.zk-auth-error { color: var(--zk-red); font-size: 13px; text-align: center; min-height: 18px; }

/* ═══════════════════ BUTTONS ═══════════════════ */
.zk-btn-primary {
  background: var(--zk-red); color: #fff; font-size: 15px; font-weight: 700;
  padding: 13px 24px; border-radius: var(--zk-radius-sm); transition: all 0.15s;
  letter-spacing: 0.3px;
}
.zk-btn-primary:hover { background: var(--zk-red-dark); transform: translateY(-1px); }
.zk-btn-primary:active { transform: translateY(0); }
.zk-btn-outline {
  background: transparent; border: 1px solid var(--zk-border);
  color: var(--zk-text-muted); padding: 10px 24px; border-radius: var(--zk-radius-sm);
  font-size: 14px; font-weight: 600; transition: all 0.2s;
}
.zk-btn-outline:hover { border-color: var(--zk-red); color: var(--zk-red); }
.zk-btn-ghost { background: none; color: var(--zk-text-muted); font-size: 12px; padding: 4px 8px; }
.w-full { width: 100%; }

/* ═══════════════════ HEADER ═══════════════════ */
.zk-header {
  position: fixed; top: 0; left: 50%; transform: translateX(-50%);
  width: 100%; max-width: 480px; height: var(--zk-header-h);
  background: rgba(10,10,10,0.95); backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--zk-border);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 16px; z-index: 100;
}
.zk-header-left { display: flex; align-items: center; gap: 12px; }
.zk-logo-sm { font-size: 20px; font-weight: 900; color: var(--zk-red); letter-spacing: 3px; }
.zk-location-badge {
  display: flex; align-items: center; gap: 4px;
  background: var(--zk-bg-card); border: 1px solid var(--zk-border);
  padding: 5px 10px; border-radius: 20px; cursor: pointer;
}
.zk-location-badge:hover { border-color: var(--zk-red); }
.zk-pin-icon { width: 14px; height: 14px; fill: var(--zk-red); flex-shrink: 0; }
#zk-location-text { font-size: 12px; color: var(--zk-text-muted); max-width: 120px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.zk-header-right { display: flex; align-items: center; gap: 8px; }
.zk-icon-btn { position: relative; width: 40px; height: 40px; display: flex; align-items: center; justify-content: center; border-radius: 50%; background: var(--zk-bg-card); }
.zk-icon-btn svg { width: 22px; height: 22px; fill: var(--zk-text-muted); }
.zk-icon-btn:hover svg { fill: var(--zk-red); }
.zk-avatar-sm { width: 32px; height: 32px; border-radius: 50%; object-fit: cover; border: 2px solid var(--zk-border); }

/* ═══════════════════ BADGE ═══════════════════ */
.zk-badge {
  position: absolute; top: -4px; right: -4px; background: var(--zk-red);
  color: #fff; font-size: 10px; font-weight: 700; min-width: 18px; height: 18px;
  border-radius: 9px; display: flex; align-items: center; justify-content: center;
  border: 2px solid var(--zk-bg);
}
.zk-badge-pill { background: var(--zk-red); color: #fff; font-size: 11px; font-weight: 700; padding: 2px 8px; border-radius: 10px; }

/* ═══════════════════ SIDE PANELS ═══════════════════ */
.zk-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.7); z-index: 200; }
.zk-side-panel {
  position: fixed; top: 0; right: 0; width: min(360px, 100vw); height: 100vh;
  background: var(--zk-bg-card); border-left: 1px solid var(--zk-border);
  z-index: 300; overflow-y: auto; padding: 0;
  transform: translateX(100%); transition: transform 0.3s ease;
}
.zk-side-panel.open { transform: translateX(0); }
.zk-panel-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px; border-bottom: 1px solid var(--zk-border); position: sticky; top: 0;
  background: var(--zk-bg-card); z-index: 1;
}
.zk-panel-header h3 { font-size: 16px; font-weight: 700; }
.zk-close-btn { font-size: 24px; color: var(--zk-text-muted); width: 32px; height: 32px; display: flex; align-items: center; justify-content: center; }
.zk-close-btn:hover { color: var(--zk-red); }

/* ═══════════════════ MAIN CONTENT ═══════════════════ */
.zk-main-content {
  padding-top: var(--zk-header-h);
  padding-bottom: var(--zk-nav-h);
  min-height: 100vh;
}
.zk-tab-content { display: none; }
.zk-tab-content.active { display: block; }

/* ═══════════════════ RADIUS BAR ═══════════════════ */
.zk-radius-bar {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 16px; background: var(--zk-bg-card); border-bottom: 1px solid var(--zk-border);
}
.zk-radius-label { font-size: 12px; color: var(--zk-text-muted); }
.zk-radius-btns { display: flex; gap: 6px; }
.zk-radius-btn {
  padding: 4px 12px; border-radius: 20px; font-size: 12px; font-weight: 600;
  background: var(--zk-bg-input); color: var(--zk-text-muted); transition: all 0.2s;
}
.zk-radius-btn.active { background: var(--zk-red); color: #fff; }

/* ═══════════════════ STORIES TRAY ═══════════════════ */
.zk-stories-tray {
  background: var(--zk-bg-card); border-bottom: 1px solid var(--zk-border); padding: 12px 0;
}
.zk-stories-scroll { display: flex; gap: 16px; padding: 0 16px; overflow-x: auto; scrollbar-width: none; }
.zk-stories-scroll::-webkit-scrollbar { display: none; }

.zk-story-item, .zk-story-add { display: flex; flex-direction: column; align-items: center; gap: 6px; flex-shrink: 0; cursor: pointer; }
.zk-story-avatar-wrap {
  width: 64px; height: 64px; border-radius: 50%; position: relative;
  background: linear-gradient(135deg, var(--zk-red), #ff6b6b);
  padding: 2.5px;
}
.zk-story-avatar-wrap.viewed { background: var(--zk-border); }
.zk-story-avatar {
  width: 100%; height: 100%; border-radius: 50%; object-fit: cover;
  border: 2.5px solid var(--zk-bg-card);
}
.zk-add-story { background: var(--zk-bg-input); }
.zk-add-plus {
  position: absolute; bottom: -2px; right: -2px; width: 22px; height: 22px;
  background: var(--zk-red); border-radius: 50%; border: 2px solid var(--zk-bg-card);
  display: flex; align-items: center; justify-content: center; font-size: 14px; color: #fff; font-weight: 700;
}
.zk-story-name { font-size: 11px; color: var(--zk-text-muted); text-align: center; max-width: 68px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.zk-story-dist { font-size: 10px; color: var(--zk-red); }

/* ═══════════════════ FEED LIST ═══════════════════ */
.zk-feed-list { display: flex; flex-direction: column; gap: 0; }
.zk-loading-spinner { display: flex; flex-direction: column; align-items: center; gap: 12px; padding: 48px 16px; color: var(--zk-text-muted); font-size: 14px; }
.zk-spinner { width: 32px; height: 32px; border: 3px solid var(--zk-border); border-top-color: var(--zk-red); border-radius: 50%; animation: spin 0.8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.zk-empty-state { text-align: center; padding: 64px 24px; color: var(--zk-text-muted); }
.zk-empty-state h3 { font-size: 18px; margin-bottom: 8px; color: var(--zk-text); }
.zk-load-more { padding: 16px; text-align: center; }

/* ═══════════════════ POST CARD ═══════════════════ */
.zk-post-card {
  background: var(--zk-bg-card); border-bottom: 1px solid var(--zk-border);
  padding: 16px;
}
.zk-post-card.sponsored { border-left: 3px solid var(--zk-red); }
.zk-post-header { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.zk-post-avatar { width: 40px; height: 40px; border-radius: 50%; object-fit: cover; flex-shrink: 0; border: 2px solid var(--zk-border); cursor: pointer; }
.zk-post-meta { flex: 1; min-width: 0; }
.zk-post-name { font-size: 14px; font-weight: 700; color: var(--zk-text); cursor: pointer; }
.zk-post-name:hover { color: var(--zk-red); }
.zk-post-info { display: flex; align-items: center; gap: 8px; margin-top: 2px; flex-wrap: wrap; }
.zk-post-distance { font-size: 12px; color: var(--zk-red); font-weight: 600; }
.zk-post-time { font-size: 12px; color: var(--zk-text-muted); }
.zk-sponsored-tag { font-size: 11px; color: var(--zk-red); font-weight: 600; display: flex; align-items: center; gap: 3px; }
.zk-post-role-badge { font-size: 10px; background: var(--zk-red-glow); color: var(--zk-red); border: 1px solid var(--zk-red-dark); padding: 1px 6px; border-radius: 4px; font-weight: 600; }
.zk-post-options { margin-left: auto; }
.zk-options-btn { color: var(--zk-text-muted); font-size: 20px; padding: 4px 8px; }

.zk-post-content { font-size: 15px; line-height: 1.55; color: var(--zk-text); margin-bottom: 12px; white-space: pre-wrap; word-break: break-word; }
.zk-post-image { width: 100%; border-radius: var(--zk-radius-sm); overflow: hidden; margin-bottom: 12px; }
.zk-post-image img { width: 100%; height: auto; max-height: 400px; object-fit: cover; }

/* View counter */
.zk-view-counter { display: flex; align-items: center; gap: 4px; font-size: 12px; color: var(--zk-text-dim); margin-bottom: 10px; }
.zk-view-counter span { color: var(--zk-text-muted); }

/* Action bar */
.zk-post-actions { display: flex; align-items: center; gap: 0; border-top: 1px solid var(--zk-border); padding-top: 10px; margin-top: 4px; }
.zk-action-btn {
  flex: 1; display: flex; align-items: center; justify-content: center; gap: 5px;
  font-size: 13px; font-weight: 600; color: var(--zk-text-muted); padding: 8px 4px; border-radius: var(--zk-radius-xs);
  transition: all 0.15s;
}
.zk-action-btn:hover { color: var(--zk-text); background: var(--zk-bg-input); }
.zk-action-btn.liked   { color: #4fc3f7; }
.zk-action-btn.fired   { color: #ff7043; }
.zk-action-btn.disliked{ color: #aaa; }
.zk-action-btn span.zk-count { font-size: 12px; }

/* Q&A block (business posts) */
.zk-qa-block {
  margin-top: 12px; border-top: 1px solid var(--zk-border); padding-top: 12px;
}
.zk-qa-title { font-size: 12px; font-weight: 700; color: var(--zk-text-muted); margin-bottom: 10px; text-transform: uppercase; letter-spacing: 0.5px; }
.zk-comment-item { padding: 10px 12px; background: var(--zk-bg-card2); border-radius: var(--zk-radius-sm); margin-bottom: 8px; }
.zk-comment-item.owner-reply { border-left: 3px solid var(--zk-red); }
.zk-comment-header { display: flex; align-items: center; gap: 8px; margin-bottom: 6px; }
.zk-comment-avatar { width: 28px; height: 28px; border-radius: 50%; object-fit: cover; }
.zk-comment-name { font-size: 13px; font-weight: 700; }
.zk-comment-time { font-size: 11px; color: var(--zk-text-dim); margin-left: auto; }
.zk-comment-body { font-size: 14px; color: var(--zk-text); line-height: 1.5; }
.zk-owner-label { font-size: 10px; color: var(--zk-red); font-weight: 700; }
.zk-reply-thread { padding-left: 16px; border-left: 1px solid var(--zk-border); margin-top: 8px; }

/* ═══════════════════ VIDEO CARDS (WATCH TAB) ═══════════════════ */
.zk-watch-header { display: flex; align-items: center; justify-content: space-between; padding: 14px 16px; border-bottom: 1px solid var(--zk-border); }
.zk-section-title { font-size: 18px; font-weight: 800; }
.zk-global-badge { font-size: 12px; color: var(--zk-red); background: var(--zk-red-glow); border: 1px solid var(--zk-red-dark); padding: 4px 10px; border-radius: 20px; font-weight: 600; }
.zk-watch-list { display: flex; flex-direction: column; gap: 0; }

.zk-video-card {
  background: var(--zk-bg-card); border-bottom: 1px solid var(--zk-border); padding: 0;
}
.zk-video-wrap { position: relative; background: #000; }
.zk-video-wrap video { width: 100%; max-height: 360px; object-fit: cover; display: block; }
.zk-video-thumb { width: 100%; max-height: 300px; object-fit: cover; cursor: pointer; }
.zk-video-overlay { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; pointer-events: none; }
.zk-play-btn { width: 64px; height: 64px; background: rgba(220,20,60,0.85); border-radius: 50%; display: flex; align-items: center; justify-content: center; }
.zk-play-btn svg { width: 28px; height: 28px; fill: #fff; margin-left: 4px; }
.zk-video-view-counter { position: absolute; bottom: 10px; right: 10px; background: rgba(0,0,0,0.7); color: #fff; font-size: 12px; font-weight: 600; padding: 3px 8px; border-radius: 12px; display: flex; align-items: center; gap: 4px; }
.zk-video-body { padding: 12px 16px; }
.zk-video-title { font-size: 15px; font-weight: 700; margin-bottom: 4px; }
.zk-video-meta { font-size: 12px; color: var(--zk-text-muted); }
.zk-video-actions { display: flex; gap: 0; border-top: 1px solid var(--zk-border); padding-top: 10px; margin-top: 10px; }

/* ═══════════════════ EXPLORE ═══════════════════ */
.zk-explore-header { display: flex; gap: 8px; padding: 12px 16px; border-bottom: 1px solid var(--zk-border); }
.zk-search-input {
  flex: 1; padding: 11px 14px; background: var(--zk-bg-input); border: 1px solid var(--zk-border);
  border-radius: var(--zk-radius-sm); color: var(--zk-text); font-size: 15px;
}
.zk-search-input:focus { outline: none; border-color: var(--zk-red); }
.zk-search-btn { padding: 11px 18px; }
.zk-explore-tabs { display: flex; padding: 0 16px; gap: 0; border-bottom: 1px solid var(--zk-border); }
.zk-etab { flex: 1; padding: 12px; text-align: center; font-size: 14px; font-weight: 600; color: var(--zk-text-muted); border-bottom: 2px solid transparent; transition: all 0.2s; }
.zk-etab.active { color: var(--zk-red); border-bottom-color: var(--zk-red); }

.zk-people-list { display: flex; flex-direction: column; padding: 8px 0; }
.zk-person-row { display: flex; align-items: center; gap: 12px; padding: 12px 16px; cursor: pointer; }
.zk-person-row:hover { background: var(--zk-bg-card); }
.zk-person-avatar { width: 44px; height: 44px; border-radius: 50%; object-fit: cover; border: 2px solid var(--zk-border); }
.zk-person-info { flex: 1; }
.zk-person-name { font-size: 14px; font-weight: 700; }
.zk-person-role { font-size: 12px; color: var(--zk-text-muted); }
.zk-follow-btn { padding: 6px 14px; font-size: 12px; font-weight: 600; border-radius: 20px; background: var(--zk-red); color: #fff; }
.zk-follow-btn.following { background: var(--zk-bg-input); color: var(--zk-text-muted); }

/* ═══════════════════ CREATE POST ═══════════════════ */
.zk-create-post { padding: 20px 16px; }
.zk-create-title { font-size: 20px; font-weight: 800; margin-bottom: 20px; }
.zk-post-type-tabs { display: flex; gap: 8px; margin-bottom: 16px; }
.zk-ptype { padding: 8px 16px; border-radius: 20px; font-size: 13px; font-weight: 600; background: var(--zk-bg-input); color: var(--zk-text-muted); border: 1px solid var(--zk-border); transition: all 0.2s; }
.zk-ptype.active { background: var(--zk-red); color: #fff; border-color: var(--zk-red); }
.zk-post-textarea {
  width: 100%; min-height: 120px; padding: 14px; background: var(--zk-bg-input);
  border: 1px solid var(--zk-border); border-radius: var(--zk-radius-sm);
  color: var(--zk-text); font-size: 15px; resize: vertical; margin-bottom: 12px;
}
.zk-post-textarea:focus { outline: none; border-color: var(--zk-red); }
.zk-media-section { margin-bottom: 12px; }
.zk-media-label {
  display: block; border: 2px dashed var(--zk-border); border-radius: var(--zk-radius-sm);
  padding: 24px; text-align: center; color: var(--zk-text-muted); cursor: pointer; transition: all 0.2s;
}
.zk-media-label:hover { border-color: var(--zk-red); color: var(--zk-red); }
.zk-hidden-input { display: none; }
.zk-media-preview { margin-top: 10px; }
.zk-media-preview img, .zk-media-preview video { width: 100%; border-radius: var(--zk-radius-sm); max-height: 300px; object-fit: cover; }
.zk-post-location { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--zk-text-muted); margin-bottom: 16px; padding: 10px 14px; background: var(--zk-bg-input); border-radius: var(--zk-radius-sm); }
.zk-pin-sm { font-size: 16px; }

/* ═══════════════════ CHAT ═══════════════════ */
.zk-chat-header { display: flex; align-items: center; gap: 12px; padding: 14px 16px; border-bottom: 1px solid var(--zk-border); }
.zk-thread-list { display: flex; flex-direction: column; }
.zk-thread-item { display: flex; align-items: center; gap: 12px; padding: 14px 16px; border-bottom: 1px solid var(--zk-border); cursor: pointer; transition: background 0.15s; }
.zk-thread-item:hover { background: var(--zk-bg-card); }
.zk-thread-avatar { width: 48px; height: 48px; border-radius: 50%; object-fit: cover; border: 2px solid var(--zk-border); flex-shrink: 0; }
.zk-thread-info { flex: 1; min-width: 0; }
.zk-thread-name { font-size: 14px; font-weight: 700; }
.zk-thread-last { font-size: 13px; color: var(--zk-text-muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; margin-top: 2px; }
.zk-thread-meta { display: flex; flex-direction: column; align-items: flex-end; gap: 4px; }
.zk-thread-time { font-size: 11px; color: var(--zk-text-dim); }
.zk-thread-unread { background: var(--zk-red); color: #fff; font-size: 11px; font-weight: 700; width: 20px; height: 20px; border-radius: 50%; display: flex; align-items: center; justify-content: center; }

.zk-conversation { display: flex; flex-direction: column; height: calc(100vh - var(--zk-header-h) - var(--zk-nav-h)); }
.zk-convo-header { display: flex; align-items: center; gap: 12px; padding: 12px 16px; border-bottom: 1px solid var(--zk-border); background: var(--zk-bg-card); }
.zk-back-btn { color: var(--zk-red); font-size: 14px; font-weight: 600; }
.zk-convo-title { font-size: 15px; font-weight: 700; }
.zk-message-list { flex: 1; overflow-y: auto; padding: 16px; display: flex; flex-direction: column; gap: 10px; }
.zk-msg-bubble { max-width: 75%; padding: 10px 14px; border-radius: 16px; font-size: 14px; line-height: 1.5; }
.zk-msg-mine { align-self: flex-end; background: var(--zk-red); color: #fff; border-bottom-right-radius: 4px; }
.zk-msg-theirs { align-self: flex-start; background: var(--zk-bg-card2); color: var(--zk-text); border-bottom-left-radius: 4px; }
.zk-msg-time { font-size: 10px; color: var(--zk-text-dim); text-align: right; margin-top: 4px; }
.zk-message-input-bar { display: flex; gap: 8px; padding: 12px 16px; border-top: 1px solid var(--zk-border); background: var(--zk-bg); }
.zk-msg-input {
  flex: 1; padding: 11px 14px; background: var(--zk-bg-input); border: 1px solid var(--zk-border);
  border-radius: 24px; color: var(--zk-text); font-size: 14px;
}
.zk-msg-input:focus { outline: none; border-color: var(--zk-red); }

/* ═══════════════════ BOTTOM NAV ═══════════════════ */
.zk-bottom-nav {
  position: fixed; bottom: 0; left: 50%; transform: translateX(-50%);
  width: 100%; max-width: 480px; height: var(--zk-nav-h);
  background: rgba(10,10,10,0.98); backdrop-filter: blur(20px);
  border-top: 1px solid var(--zk-border);
  display: flex; align-items: center; z-index: 100;
  padding-bottom: env(safe-area-inset-bottom);
}
.zk-nav-btn {
  flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 3px; position: relative; color: var(--zk-text-muted); padding: 8px 4px;
  transition: color 0.2s;
}
.zk-nav-btn svg { width: 24px; height: 24px; fill: currentColor; }
.zk-nav-btn span { font-size: 10px; font-weight: 600; }
.zk-nav-btn.active { color: var(--zk-red); }
.zk-post-btn {
  background: var(--zk-red); color: #fff !important; border-radius: 50%;
  width: 52px; height: 52px; max-width: 52px;
  margin: 0 4px;
  flex-shrink: 0;
  box-shadow: 0 4px 16px var(--zk-red-glow);
}
.zk-post-btn svg { width: 28px; height: 28px; }
.zk-post-btn span { display: none; }
.zk-post-btn:hover { background: var(--zk-red-dark); }

/* ═══════════════════ MODALS ═══════════════════ */
.zk-modal {
  position: fixed; inset: 0; z-index: 400; background: rgba(0,0,0,0.85);
  display: flex; align-items: flex-end; justify-content: center;
}
.zk-modal-inner {
  width: 100%; max-width: 480px; background: var(--zk-bg-card);
  border-radius: var(--zk-radius) var(--zk-radius) 0 0;
  max-height: 90vh; overflow-y: auto;
  padding: 0 0 env(safe-area-inset-bottom) 0;
}
.zk-comments-inner { max-height: 85vh; display: flex; flex-direction: column; }
.zk-comments-list { flex: 1; overflow-y: auto; padding: 12px 16px; display: flex; flex-direction: column; gap: 10px; }
.zk-comment-input-bar { display: flex; gap: 8px; padding: 12px 16px; border-top: 1px solid var(--zk-border); background: var(--zk-bg-card); }
.zk-comment-input { flex: 1; padding: 10px 14px; background: var(--zk-bg-input); border: 1px solid var(--zk-border); border-radius: 24px; color: var(--zk-text); font-size: 14px; }
.zk-comment-input:focus { outline: none; border-color: var(--zk-red); }

/* Story modal */
.zk-story-modal {
  align-items: stretch; background: #000;
}
.zk-story-modal .zk-modal-inner { display: none; }
.zk-story-progress-bar { position: absolute; top: 0; left: 0; right: 0; height: 3px; background: rgba(255,255,255,0.2); z-index: 10; }
.zk-story-progress { height: 100%; background: var(--zk-red); transition: width 0.1s linear; width: 0%; }
.zk-story-close { position: absolute; top: 12px; right: 12px; z-index: 10; color: #fff; font-size: 30px; width: 40px; height: 40px; background: rgba(0,0,0,0.5); border-radius: 50%; display: flex; align-items: center; justify-content: center; }
.zk-story-user-info { position: absolute; top: 14px; left: 14px; z-index: 10; display: flex; align-items: center; gap: 10px; }
.zk-story-viewer-avatar { width: 36px; height: 36px; border-radius: 50%; border: 2px solid var(--zk-red); }
.zk-story-viewer-name { color: #fff; font-size: 14px; font-weight: 700; }
.zk-story-dist { color: var(--zk-red); font-size: 12px; margin-left: 4px; }
.zk-story-media-wrap { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; }
.zk-story-media-wrap img, .zk-story-media-wrap video { width: 100%; height: 100%; object-fit: cover; }
.zk-story-caption { position: absolute; bottom: 60px; left: 0; right: 0; text-align: center; color: #fff; font-size: 16px; font-weight: 600; padding: 0 24px; text-shadow: 0 2px 8px rgba(0,0,0,0.8); z-index: 10; }
.zk-story-views-bar { position: absolute; bottom: 16px; left: 16px; right: 16px; display: flex; align-items: center; justify-content: space-between; color: rgba(255,255,255,0.8); font-size: 13px; z-index: 10; }
.zk-story-nav { position: absolute; top: 0; bottom: 0; width: 40%; z-index: 5; }
.zk-story-prev { left: 0; }
.zk-story-next { right: 0; }

/* Profile modal */
.zk-profile-modal-inner { border-radius: var(--zk-radius); max-height: 90vh; }
.zk-user-modal-content { padding: 16px; }
.zk-profile-cover { width: 100%; height: 120px; object-fit: cover; background: var(--zk-bg-input); border-radius: var(--zk-radius-sm); margin-bottom: -30px; }
.zk-profile-avatar-lg { width: 72px; height: 72px; border-radius: 50%; border: 3px solid var(--zk-bg-card); object-fit: cover; position: relative; z-index: 1; }
.zk-profile-info-row { display: flex; align-items: flex-end; justify-content: space-between; padding: 0 0 8px; }
.zk-profile-name { font-size: 20px; font-weight: 800; }
.zk-profile-bio { font-size: 14px; color: var(--zk-text-muted); margin: 4px 0 12px; }
.zk-profile-stats { display: flex; gap: 24px; margin-bottom: 16px; }
.zk-stat { text-align: center; }
.zk-stat-val { font-size: 18px; font-weight: 800; color: var(--zk-text); }
.zk-stat-lbl { font-size: 12px; color: var(--zk-text-muted); }

/* DM modal */
.zk-dm-to-label { font-size: 14px; color: var(--zk-text-muted); padding: 8px 16px; }

/* Viewers */
.zk-viewers-modal { align-items: center; }
.zk-viewers-modal .zk-modal-inner { border-radius: var(--zk-radius); max-width: 360px; }
.zk-viewers-list { padding: 8px; }
.zk-viewer-row { display: flex; align-items: center; gap: 10px; padding: 10px 8px; }
.zk-viewer-avatar { width: 36px; height: 36px; border-radius: 50%; object-fit: cover; }
.zk-viewer-name { font-size: 14px; font-weight: 600; }
.zk-viewer-time { font-size: 12px; color: var(--zk-text-muted); margin-left: auto; }

/* Notifications */
.zk-notif-list { padding: 8px 0; }
.zk-notif-item { display: flex; align-items: flex-start; gap: 12px; padding: 12px 16px; border-bottom: 1px solid var(--zk-border); }
.zk-notif-item.unread { background: rgba(220,20,60,0.04); }
.zk-notif-avatar { width: 40px; height: 40px; border-radius: 50%; object-fit: cover; flex-shrink: 0; }
.zk-notif-msg { flex: 1; }
.zk-notif-text { font-size: 14px; line-height: 1.4; }
.zk-notif-time { font-size: 12px; color: var(--zk-text-muted); margin-top: 3px; }
.zk-notif-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--zk-red); flex-shrink: 0; margin-top: 6px; }

/* ═══════════════════ TOAST ═══════════════════ */
.zk-toast {
  position: fixed; bottom: calc(var(--zk-nav-h) + 12px); left: 50%; transform: translateX(-50%);
  background: var(--zk-bg-card2); border: 1px solid var(--zk-border);
  color: var(--zk-text); font-size: 14px; font-weight: 600;
  padding: 12px 24px; border-radius: 24px; z-index: 1000;
  box-shadow: var(--zk-shadow); white-space: nowrap;
  animation: toastIn 0.25s ease;
}
.zk-toast.error { border-color: var(--zk-red); color: var(--zk-red); }
.zk-toast.success { border-color: #22c55e; color: #22c55e; }
@keyframes toastIn { from { opacity: 0; transform: translate(-50%, 16px); } to { opacity: 1; transform: translate(-50%, 0); } }

/* ═══════════════════ UTILITY ═══════════════════ */
.zk-input { width: 100%; padding: 12px 14px; background: var(--zk-bg-input); border: 1px solid var(--zk-border); border-radius: var(--zk-radius-sm); color: var(--zk-text); font-size: 14px; margin-bottom: 12px; }
.zk-input:focus { outline: none; border-color: var(--zk-red); }

/* Profile content panel */
.zk-profile-content { padding: 16px; }

/* Scrollbar */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--zk-border); border-radius: 2px; }

/* ─── Safe area iOS ─── */
@supports (padding: max(0px)) {
  .zk-bottom-nav { padding-bottom: max(env(safe-area-inset-bottom), 8px); }
}

/* ─── Animations ─── */
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
.zk-post-card, .zk-video-card { animation: fadeIn 0.25s ease both; }

/* ═══════════════════ USERNAME CHECK ═══════════════════ */
.zk-username-field { position: relative; }
.zk-username-status {
  display: block; font-size: 12px; margin-top: -8px; margin-bottom: 8px;
  padding: 0 2px; min-height: 16px;
}
.zk-username-status.available { color: #22c55e; }
.zk-username-status.taken     { color: var(--zk-red); }

/* ═══════════════════ VIDEO INFO BANNER ═══════════════════ */
.zk-video-info-banner {
  background: rgba(220,20,60,0.12); border: 1px solid rgba(220,20,60,0.35);
  border-radius: var(--zk-radius-sm); padding: 10px 14px;
  font-size: 13px; color: var(--zk-text-muted); margin-bottom: 12px;
  line-height: 1.5;
}
.zk-video-info-banner strong { color: var(--zk-red); }

/* ═══════════════════ @MENTION AUTOCOMPLETE ═══════════════════ */
.zk-comment-input-wrap { position: relative; }
.zk-mention-dropdown {
  position: absolute; bottom: 100%; left: 0; right: 0;
  background: var(--zk-bg-card); border: 1px solid var(--zk-border);
  border-radius: var(--zk-radius-sm); max-height: 220px; overflow-y: auto;
  z-index: 500; box-shadow: var(--zk-shadow);
}
.zk-mention-item {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 14px; cursor: pointer; transition: background 0.15s;
}
.zk-mention-item:hover { background: var(--zk-bg-input); }
.zk-mention-avatar { width: 32px; height: 32px; border-radius: 50%; object-fit: cover; flex-shrink: 0; }
.zk-mention-name   { font-size: 13px; font-weight: 600; color: var(--zk-text); }
.zk-mention-handle { font-size: 11px; color: var(--zk-text-muted); }
.zk-mention-tag    { color: var(--zk-red); font-weight: 600; cursor: pointer; }
.zk-mention-tag:hover { text-decoration: underline; }

/* ═══════════════════ FULL-SCREEN PROFILE SCREEN ═══════════════════ */
.zk-profile-screen {
  position: fixed; inset: 0; z-index: 900;
  background: var(--zk-bg); overflow-y: auto;
  display: flex; flex-direction: column;
}
.zk-profile-screen-header {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; gap: 12px;
  padding: 12px 16px; background: var(--zk-bg);
  border-bottom: 1px solid var(--zk-border);
}
.zk-profile-screen-handle { flex: 1; font-size: 14px; color: var(--zk-text-muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.zk-profile-screen-content { flex: 1; }

/* Hero area */
.zk-ps-hero { position: relative; height: 120px; background: var(--zk-bg-input); }
.zk-ps-cover { position: absolute; inset: 0; background: linear-gradient(135deg, #1a0a0a 0%, #2a0a12 100%); }
.zk-ps-avatar-wrap {
  position: absolute; bottom: -36px; left: 20px;
  width: 72px; height: 72px;
  border: 3px solid var(--zk-bg); border-radius: 50%;
}
.zk-ps-avatar { width: 100%; height: 100%; border-radius: 50%; object-fit: cover; }

/* Body */
.zk-ps-body { padding: 48px 16px 100px; }
.zk-ps-name-row { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 8px; gap: 12px; }
.zk-ps-name     { font-size: 18px; font-weight: 700; color: var(--zk-text); }
.zk-ps-handle   { font-size: 13px; color: var(--zk-red); margin-top: 2px; }
.zk-ps-bio      { font-size: 14px; color: var(--zk-text-muted); margin: 10px 0; line-height: 1.5; }
.zk-ps-location { font-size: 12px; color: var(--zk-text-dim); margin-bottom: 12px; }
.zk-ps-stats    { margin: 16px 0; }
.zk-ps-dm-btn   { margin: 12px 0; }

/* Sub-tabs */
.zk-ps-tabs { display: flex; border-bottom: 1px solid var(--zk-border); margin: 16px 0 0; }
.zk-ps-tab  {
  flex: 1; padding: 10px; font-size: 13px; font-weight: 600;
  color: var(--zk-text-muted); background: none; border: none; cursor: pointer;
  border-bottom: 2px solid transparent; transition: all 0.2s;
}
.zk-ps-tab.active { color: var(--zk-red); border-bottom-color: var(--zk-red); }
.zk-ps-list { padding-top: 8px; }

/* ═══════════════════ MY PROFILE PANEL ADDITIONS ═══════════════════ */
.zk-profile-handle   { font-size: 13px; color: var(--zk-red); margin-bottom: 4px; }
.zk-profile-location { font-size: 12px; color: var(--zk-text-dim); margin-bottom: 8px; }
.zk-profile-link     { display: block; text-align: center; margin-bottom: 12px; font-size: 13px; }

/* Search result username */
.zk-people-username { font-size: 11px; color: var(--zk-red); }