:root {
  --bg: #0b141a;
  --panel: #111b21;
  --panel-2: #202c33;
  --accent: #00a884;
  --accent-dark: #005c4b;
  --text: #e9edef;
  --text-dim: #8696a0;
  --bubble-me: #005c4b;
  --bubble-them: #202c33;
  --border: #2a3942;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  height: 100vh;
  overflow: hidden;
}

#app { height: 100vh; display: flex; }

/* ---- Auth screen ---- */
.auth-screen {
  margin: auto;
  width: 100%;
  max-width: 380px;
  padding: 32px 24px;
  text-align: center;
}
.auth-screen h1 { color: var(--accent); margin-bottom: 4px; }
.auth-screen p { color: var(--text-dim); margin-bottom: 24px; }
.auth-screen input {
  width: 100%;
  padding: 14px;
  margin-bottom: 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--text);
  font-size: 16px;
}
.auth-screen button {
  width: 100%;
  padding: 14px;
  border-radius: 8px;
  border: none;
  background: var(--accent);
  color: #05201a;
  font-weight: 600;
  font-size: 16px;
  cursor: pointer;
}
.auth-screen button:disabled { opacity: 0.5; cursor: default; }
.error { color: #ff6b6b; font-size: 14px; margin-top: 8px; min-height: 18px; }
.auth-toggle { color: var(--accent); font-size: 14px; margin-top: 12px; cursor: pointer; text-align: center; }
.auth-toggle:hover { text-decoration: underline; }

/* ---- Main layout ---- */
.sidebar {
  width: 380px;
  min-width: 320px;
  background: var(--panel);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
}
.sidebar-header {
  padding: 10px 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--panel-2);
  gap: 8px;
}
.sidebar-header .me { font-weight: 600; flex: 1; min-width: 0; overflow: hidden; }
.sidebar-header .me span { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; display: block; }
.tabs { display: flex; border-bottom: 1px solid var(--border); }
.tabs button {
  flex: 1;
  padding: 10px;
  background: none;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  border-bottom: 2px solid transparent;
}
.tabs button.active { color: var(--accent); border-bottom-color: var(--accent); }

.list { overflow-y: auto; flex: 1; }
.list-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  cursor: pointer;
  border-bottom: 1px solid var(--border);
}
.list-item:hover { background: var(--panel-2); }
.avatar {
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--panel-2);
  display: flex; align-items: center; justify-content: center;
  font-weight: 600; color: var(--accent);
  flex-shrink: 0;
}
.list-item .meta { flex: 1; min-width: 0; }
.list-item .name { font-weight: 500; }
.list-item .sub { color: var(--text-dim); font-size: 13px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.online-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--accent); margin-left: auto; }

.add-row { padding: 10px 16px; display: flex; gap: 8px; border-bottom: 1px solid var(--border); }
.add-row input { flex: 1; padding: 8px; border-radius: 6px; border: 1px solid var(--border); background: var(--panel-2); color: var(--text); }
.add-row button { padding: 8px 12px; border-radius: 6px; border: none; background: var(--accent); color: #05201a; font-weight: 600; cursor: pointer; }

/* ---- Chat area ---- */
.chat-area { flex: 1; display: flex; flex-direction: column; background: var(--bg); }
.chat-empty { margin: auto; color: var(--text-dim); }
.chat-header {
  padding: 12px 16px;
  background: var(--panel-2);
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--border);
}
.chat-header .name { font-weight: 600; }
.chat-header .status { font-size: 12px; color: var(--text-dim); }

.messages { flex: 1; overflow-y: auto; padding: 16px; display: flex; flex-direction: column; gap: 6px; }
.bubble-row { display: flex; }
.bubble-row.me { justify-content: flex-end; }
.bubble {
  max-width: 65%;
  padding: 8px 10px;
  border-radius: 8px;
  font-size: 14px;
  line-height: 1.4;
}
.bubble-row.me .bubble { background: var(--bubble-me); border-top-right-radius: 2px; }
.bubble-row:not(.me) .bubble { background: var(--bubble-them); border-top-left-radius: 2px; }
.bubble .sender { font-size: 12px; color: var(--accent); margin-bottom: 2px; font-weight: 600; }
.bubble .time { font-size: 10px; color: var(--text-dim); text-align: right; margin-top: 2px; }
.bubble .ticks { font-size: 10px; margin-left: 4px; }
.bubble a.file-link { color: var(--accent); }

.bubble.deleted { opacity: 0.8; }

.msg-media { max-width: 260px; max-height: 320px; border-radius: 6px; display: block; cursor: pointer; margin-bottom: 4px; }
.pending-media { max-width: 260px; max-height: 320px; border-radius: 6px; display: block; opacity: 0.6; margin-bottom: 6px; }
.upload-progress { display: flex; align-items: center; gap: 8px; min-width: 160px; }
.upload-progress-bar { flex: 1; height: 5px; background: rgba(255,255,255,0.15); border-radius: 3px; overflow: hidden; }
.upload-progress-fill { height: 100%; width: 0%; background: var(--accent); transition: width 0.15s ease; }
.upload-progress-label { font-size: 11px; color: var(--text-dim); white-space: nowrap; }
.upload-error { color: #ff8a8a; font-size: 13px; }
.upload-failed { border: 1px solid rgba(255,107,107,0.4); }
.retry-btn { background: rgba(255,255,255,0.1); color: var(--text); border: none; border-radius: 6px; padding: 4px 10px; font-size: 12px; cursor: pointer; }

/* ---------------- Ads ---------------- */

.ad-tab-header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 16px; border-bottom: 1px solid var(--border); background: var(--panel-2);
}
.ad-card {
  border-bottom: 1px solid var(--border); background: var(--panel);
  margin: 8px; border-radius: 10px; overflow: hidden;
}
.ad-card:last-child { border-bottom: none; }
.ad-card-image { width: 100%; max-height: 180px; object-fit: cover; display: block; }
.ad-card-body { padding: 12px; }
.ad-badge {
  display: inline-block; background: var(--accent); color: #05201a;
  font-size: 11px; font-weight: 600; padding: 2px 8px; border-radius: 10px; margin-bottom: 6px;
}
.ad-card-title { font-weight: 600; font-size: 15px; margin-bottom: 4px; }
.ad-card-desc { font-size: 14px; color: var(--text); margin-bottom: 8px; white-space: pre-wrap; }
.ad-card-footer { display: flex; justify-content: space-between; align-items: center; }
.ad-card-link {
  color: var(--accent); font-size: 13px; font-weight: 600;
  text-decoration: none; padding: 4px 10px; border: 1px solid var(--accent); border-radius: 14px;
}
.ad-card-link:hover { background: rgba(0,168,132,0.1); }

.plan-grid { display: flex; flex-direction: column; gap: 8px; }
.plan-card {
  padding: 12px; border-radius: 8px; border: 2px solid var(--border);
  background: var(--panel-2); cursor: pointer;
}
.plan-card.selected { border-color: var(--accent); background: rgba(0,168,132,0.08); }
.plan-label { font-weight: 600; }
.plan-price { color: var(--accent); font-size: 15px; margin: 2px 0; }
.plan-desc { font-size: 12px; color: var(--text-dim); }

/* ---------------- Zeks AI ---------------- */

#zeks-fab { display: none; } /* FAB removed — Zeks is now a header button */

#zeks-panel {
  position: fixed; top: 56px; right: 8px; z-index: 400;
  width: 300px; max-width: calc(100vw - 16px);
  height: 420px; max-height: calc(100vh - 130px); /* stay above composer */
  background: var(--panel); border: 1px solid var(--border); border-radius: 12px;
  display: flex; flex-direction: column; overflow: hidden; box-shadow: 0 8px 30px rgba(0,0,0,0.5);
}
.zeks-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 14px; background: var(--panel-2); font-weight: 600; border-bottom: 1px solid var(--border);
}
.zeks-messages { flex: 1; overflow-y: auto; padding: 12px; display: flex; flex-direction: column; gap: 8px; }
.zeks-msg { max-width: 85%; padding: 8px 12px; border-radius: 12px; font-size: 14px; line-height: 1.4; white-space: pre-wrap; }
.zeks-msg.user { align-self: flex-end; background: var(--bubble-me); border-top-right-radius: 2px; }
.zeks-msg.assistant { align-self: flex-start; background: var(--bubble-them); border-top-left-radius: 2px; }
.zeks-suggestions { display: flex; flex-direction: column; gap: 6px; margin-top: 4px; }
.zeks-suggestion {
  align-self: flex-start; background: var(--panel-2); color: var(--accent); border: 1px solid var(--border);
  border-radius: 14px; padding: 6px 12px; font-size: 13px; cursor: pointer; text-align: left;
}
.zeks-suggestion:hover { background: var(--bubble-them); }
.zeks-input-row { display: flex; gap: 8px; padding: 10px; border-top: 1px solid var(--border); }
.zeks-input-row input { flex: 1; padding: 8px 12px; border-radius: 18px; border: 1px solid var(--border); background: var(--panel-2); color: var(--text); }
.zeks-input-row button { border-radius: 18px; padding: 8px 16px; }

@media (max-width: 720px) {
  #zeks-panel { right: 8px; left: 8px; width: auto; top: 56px; }
}
.bubble-actions {
  display: flex; align-items: flex-start; gap: 2px; opacity: 0;
  transition: opacity 0.1s;
}
.bubble-row:hover .bubble-actions { opacity: 1; }
.bubble-row.me { flex-direction: row-reverse; }
.bubble-actions button {
  border: none; background: var(--panel-2); color: var(--text-dim);
  border-radius: 6px; width: 26px; height: 26px; cursor: pointer; font-size: 13px;
}
.bubble-actions button:hover { color: var(--text); background: var(--border); }

.reply-quote {
  border-left: 3px solid var(--accent);
  background: rgba(255,255,255,0.06);
  padding: 4px 8px;
  border-radius: 4px;
  margin-bottom: 4px;
}
.reply-quote-name { font-size: 12px; color: var(--accent); font-weight: 600; }
.reply-quote .sub { font-size: 12px; color: var(--text-dim); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 240px; }

.reactions-row { display: flex; gap: 4px; flex-wrap: wrap; margin-top: 4px; }
.reaction-pill {
  background: var(--panel); border: 1px solid var(--border); border-radius: 12px;
  padding: 1px 7px; font-size: 12px; cursor: pointer;
}
.reaction-pill.mine { border-color: var(--accent); background: rgba(0,168,132,0.15); }

.reaction-picker {
  position: fixed; z-index: 50; background: var(--panel-2); border: 1px solid var(--border);
  border-radius: 20px; padding: 6px 10px; display: flex; gap: 8px; box-shadow: 0 4px 12px rgba(0,0,0,0.4);
}
.reaction-picker span { cursor: pointer; font-size: 20px; }
.reaction-picker span:hover { transform: scale(1.2); }

.context-bar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 8px 16px; background: var(--panel-2); border-top: 1px solid var(--border);
}
.context-bar-label { font-size: 12px; color: var(--accent); font-weight: 600; }
.context-bar-close { background: none; border: none; color: var(--text-dim); cursor: pointer; font-size: 16px; }

.search-box { padding: 8px 16px; border-bottom: 1px solid var(--border); }
.search-box input {
  width: 100%; padding: 8px 12px; border-radius: 16px; border: 1px solid var(--border);
  background: var(--panel-2); color: var(--text); font-size: 13px;
}

.block-btn {
  border: none; background: none; color: var(--text-dim); cursor: pointer;
  font-size: 13px; padding: 4px 8px; flex-shrink: 0;
}
.block-btn:hover { color: #ff6b6b; }

.typing-indicator { padding: 0 16px 6px; font-size: 12px; color: var(--text-dim); font-style: italic; min-height: 16px; }

.composer { display: flex; gap: 8px; padding: 10px 16px; background: var(--panel-2); align-items: center; }
.composer input[type=text] {
  flex: 1;
  padding: 12px;
  border-radius: 20px;
  border: none;
  background: var(--panel);
  color: var(--text);
  font-size: 14px;
}
.composer button {
  border: none;
  background: var(--accent);
  color: #05201a;
  border-radius: 50%;
  width: 42px;
  height: 42px;
  cursor: pointer;
  font-size: 18px;
}
.composer label.file-btn {
  cursor: pointer;
  color: var(--text-dim);
  font-size: 20px;
  padding: 6px;
}

.modal-backdrop {
  position: fixed; inset: 0; background: rgba(0,0,0,0.5); z-index: 300;
  display: flex; align-items: flex-start; justify-content: center;
  padding: 12px; box-sizing: border-box; overflow-y: auto;
}
.modal {
  background: var(--panel-2); padding: 20px; border-radius: 10px;
  width: 100%; max-width: 420px; box-sizing: border-box;
  margin: auto;
}
.modal-scrollable {
  max-height: calc(100vh - 24px); overflow-y: auto;
}
.modal h3 { margin-top: 0; }
.modal input { width: 100%; padding: 10px; margin-bottom: 10px; border-radius: 6px; border: 1px solid var(--border); background: var(--panel); color: var(--text); }
.modal .checklist { max-height: 160px; overflow-y: auto; margin-bottom: 12px; }
.modal .checklist label { display: flex; gap: 8px; align-items: center; padding: 4px 0; }
.modal-actions { display: flex; gap: 8px; justify-content: flex-end; }
.modal-actions button { padding: 8px 14px; border-radius: 6px; border: none; cursor: pointer; }
.modal-actions .primary { background: var(--accent); color: #05201a; font-weight: 600; }
.modal-actions .secondary { background: transparent; color: var(--text-dim); }

@media (max-width: 720px) {
  .sidebar { width: 100%; }
  .chat-area.hidden-mobile, .sidebar.hidden-mobile { display: none; }
  .back-btn { display: inline-block !important; }
}
.back-btn { display: none; cursor: pointer; margin-right: 4px; }
.icon-btn { background: none; border: none; color: var(--text-dim); cursor: pointer; font-size: 15px; }
.icon-btn:hover { color: var(--text); }
.announcement-badge {
  position: absolute; top: -2px; right: -2px; width: 9px; height: 9px;
  background: #ff6b6b; border-radius: 50%; border: 1.5px solid var(--panel);
}
.announcement-card { border-bottom: 1px solid var(--border); padding: 12px 0; }
.announcement-card:last-child { border-bottom: none; }
.announcement-image { width: 100%; max-height: 200px; object-fit: cover; border-radius: 8px; margin-bottom: 8px; }
.announcement-title { font-weight: 600; margin-bottom: 4px; }
.announcement-body { font-size: 14px; color: var(--text); white-space: pre-wrap; }

/* ---------------- Status / Stories ---------------- */

.modal textarea {
  width: 100%; padding: 10px; margin-bottom: 10px; border-radius: 6px;
  border: 1px solid var(--border); background: var(--panel); color: var(--text);
  font-family: inherit; resize: vertical;
}

.status-viewer-backdrop { background: #000; }
.status-viewer {
  width: 100%; max-width: 420px; height: 100%; max-height: 780px;
  display: flex; flex-direction: column; background: #000; border-radius: 8px; overflow: hidden;
}
.status-progress-row { display: flex; gap: 4px; padding: 8px 10px 0; }
.status-progress-bar { flex: 1; height: 3px; background: rgba(255,255,255,0.25); border-radius: 2px; overflow: hidden; }
.status-progress-fill { height: 100%; width: 0%; background: #fff; animation: status-fill 5s linear forwards; }
@keyframes status-fill { from { width: 0%; } to { width: 100%; } }
.status-header { display: flex; align-items: center; gap: 8px; padding: 10px; color: #fff; }
.status-header .meta .name { color: #fff; }
.status-header .meta .sub { color: rgba(255,255,255,0.7); }
.status-header button { background: rgba(255,255,255,0.12); color: #fff; border: none; border-radius: 6px; padding: 6px 10px; cursor: pointer; font-size: 13px; }
.status-slide { flex: 1; display: flex; align-items: center; justify-content: center; overflow: hidden; }
.status-media { max-width: 100%; max-height: 100%; object-fit: contain; }
.status-text-view {
  width: 100%; height: 100%; display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 26px; font-weight: 600; text-align: center; padding: 24px; box-sizing: border-box;
}
.status-caption { color: #fff; text-align: center; padding: 10px; font-size: 14px; }
.status-reactions-bar { display: flex; gap: 10px; justify-content: center; padding: 10px; background: rgba(0,0,0,0.4); }
.status-reactions-bar button { background: none; border: none; font-size: 22px; cursor: pointer; opacity: 0.8; }
.status-reactions-bar button:hover, .status-reactions-bar .reaction-active { opacity: 1; transform: scale(1.15); }
.status-reply-row { display: flex; gap: 8px; padding: 10px; background: rgba(0,0,0,0.4); }
.status-reply-row input { flex: 1; padding: 8px 12px; border-radius: 20px; border: none; background: rgba(255,255,255,0.15); color: #fff; }
.status-reply-row button { background: var(--accent); color: #05201a; border: none; border-radius: 20px; padding: 8px 16px; font-weight: 600; cursor: pointer; }

/* ---------------- Batch 1 additions ---------------- */

/* Forward preview */
.forward-preview { background: var(--panel-2); border-left: 3px solid var(--accent); padding: 8px 12px; border-radius: 6px; margin-bottom: 12px; font-size: 14px; max-height: 60px; overflow: hidden; }

/* Load more messages */
.load-more-btn { text-align: center; padding: 10px; color: var(--accent); cursor: pointer; font-size: 13px; border-bottom: 1px solid var(--border); }
.load-more-btn:hover { background: var(--panel-2); }

/* Link preview */
.link-preview-card { background: var(--panel-2); border-left: 3px solid var(--accent); border-radius: 6px; overflow: hidden; margin-top: 6px; cursor: pointer; max-width: 260px; }
.link-preview-image { width: 100%; max-height: 120px; object-fit: cover; display: block; }
.link-preview-title { font-weight: 600; font-size: 13px; padding: 6px 8px 2px; }
.link-preview-desc { font-size: 12px; color: var(--text-dim); padding: 0 8px 4px; overflow: hidden; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.link-preview-domain { font-size: 11px; color: var(--accent); padding: 0 8px 6px; }

/* GIF picker */
.gif-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 6px; max-height: 50vh; overflow-y: auto; margin-top: 10px; }
.gif-thumb { width: 100%; border-radius: 6px; cursor: pointer; aspect-ratio: 16/9; object-fit: cover; }
.gif-thumb:hover { opacity: 0.8; }
.file-btn { background: none; border: none; color: var(--text-dim); cursor: pointer; font-size: 18px; padding: 0 4px; }
.file-btn:hover { color: var(--text); }

/* ---------------- Full-screen media viewer ---------------- */

.media-viewer-backdrop {
  position: fixed; inset: 0; background: rgba(0,0,0,0.95); z-index: 600;
  display: flex; flex-direction: column;
}
.media-viewer-bar {
  display: flex; justify-content: space-between; align-items: center;
  padding: 10px 16px; background: rgba(0,0,0,0.5); flex-shrink: 0;
}
.media-viewer-caption { color: #fff; font-size: 14px; font-weight: 500; flex: 1; }
.media-viewer-btn {
  background: rgba(255,255,255,0.12); color: #fff; border: none;
  border-radius: 6px; padding: 6px 12px; font-size: 13px; cursor: pointer;
  text-decoration: none; display: inline-flex; align-items: center;
}
.media-viewer-btn:hover { background: rgba(255,255,255,0.22); }
.media-viewer-content {
  flex: 1; display: flex; align-items: center; justify-content: center;
  overflow: auto; padding: 16px;
}
.viewer-media {
  max-width: 100%; max-height: 100%;
  object-fit: contain; border-radius: 4px;
}
.video-expand-hint {
  position: absolute; bottom: 4px; right: 6px;
  font-size: 10px; color: rgba(255,255,255,0.6); pointer-events: none;
}

/* ---------------- PWA Install Banner ---------------- */
#install-banner {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 800;
  background: var(--panel-2); border-top: 1px solid var(--border);
  padding: 12px 16px;
  box-shadow: 0 -4px 16px rgba(0,0,0,0.3);
  animation: slide-up 0.3s ease;
}
.install-banner-content {
  display: flex; align-items: center; gap: 12px; max-width: 480px; margin: 0 auto;
}
@keyframes slide-up {
  from { transform: translateY(100%); }
  to   { transform: translateY(0); }
}