:root {
  --bg: #14161c;
  --bg-panel: #1c1f28;
  --bg-card: #23262f;
  --border: #33374280;
  --text: #e8e6e0;
  --text-dim: #9a9da6;
  --brass: #c9a961;
  --brass-dim: #8a7647;
  --danger: #c9645f;
  --radius: 10px;
  --font-ui: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, sans-serif;
  --font-display: Georgia, "Times New Roman", serif;
}

[data-theme="light"] {
  --bg: #f3f1ea;
  --bg-panel: #ffffff;
  --bg-card: #fbfaf6;
  --border: #d8d3c4;
  --text: #23262f;
  --text-dim: #6b6f78;
  --brass: #9c7c3d;
  --brass-dim: #c9a961;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--font-ui);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  transition: background 0.2s ease, color 0.2s ease;
}

/* ---------- LOGIN ---------- */
.login-body {
  display: flex;
  align-items: center;
  justify-content: center;
}

.login-card {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 48px 40px;
  width: 100%;
  max-width: 360px;
  text-align: center;
}

.login-card h1 {
  font-family: var(--font-display);
  font-size: 28px;
  margin: 0 0 4px;
  letter-spacing: 0.5px;
}

.subtitle {
  color: var(--text-dim);
  font-size: 14px;
  margin: 0 0 28px;
}

.login-card form { display: flex; flex-direction: column; gap: 12px; }

input[type="password"], input[type="text"], textarea {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  padding: 12px 14px;
  font-size: 15px;
  font-family: var(--font-ui);
  width: 100%;
}

input:focus, textarea:focus {
  outline: none;
  border-color: var(--brass);
}

button { font-family: var(--font-ui); cursor: pointer; }

.primary-btn {
  background: var(--brass);
  color: #17181c;
  border: none;
  border-radius: 6px;
  padding: 12px 18px;
  font-weight: 600;
  font-size: 14px;
  transition: opacity 0.15s ease;
}
.primary-btn:hover { opacity: 0.85; }
.primary-btn:disabled { opacity: 0.5; cursor: not-allowed; }

.ghost-btn {
  background: transparent;
  color: var(--text-dim);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 10px 16px;
  font-size: 14px;
}
.ghost-btn:hover { color: var(--text); border-color: var(--brass-dim); }

.danger-btn {
  background: transparent;
  color: var(--danger);
  border: 1px solid var(--danger);
  border-radius: 6px;
  padding: 10px 16px;
  font-size: 14px;
}
.danger-btn:hover { background: var(--danger); color: #17181c; }

.error { color: var(--danger); font-size: 13px; min-height: 18px; margin-top: 16px; }

/* ---------- DASHBOARD SHELL ---------- */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 28px;
  border-bottom: 1px solid var(--border);
}

.topbar h1 {
  font-family: var(--font-display);
  font-size: 20px;
  margin: 0;
  letter-spacing: 0.5px;
}

.topbar-actions { display: flex; gap: 10px; }

.tabs {
  display: flex;
  gap: 4px;
  padding: 0 28px;
  border-bottom: 1px solid var(--border);
}

.tab-btn {
  background: none;
  border: none;
  color: var(--text-dim);
  padding: 14px 18px;
  font-size: 14px;
  border-bottom: 2px solid transparent;
}

.tab-btn.active { color: var(--brass); border-bottom-color: var(--brass); }

main { padding: 24px 28px 60px; max-width: 1100px; margin: 0 auto; }

.tab-content { display: none; }
.tab-content.active { display: block; }

.panel-header {
  display: flex;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.panel-header input[type="text"] { max-width: 280px; }

#uploadStatus { color: var(--text-dim); font-size: 13px; }

/* ---------- NOTES ---------- */
.notes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 14px;
}

.note-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  cursor: pointer;
  transition: border-color 0.15s ease;
  display: flex;
  flex-direction: column;
  min-height: 120px;
}

.note-card:hover { border-color: var(--brass-dim); }

.note-card h3 { margin: 0 0 8px; font-size: 15px; }
.note-card p { margin: 0; color: var(--text-dim); font-size: 13px; flex: 1; overflow: hidden; }
.note-card .note-meta { margin-top: 10px; font-size: 11px; color: var(--brass-dim); }

.empty-state {
  color: var(--text-dim);
  text-align: center;
  padding: 60px 20px;
  font-size: 14px;
}

/* ---------- GALLERY ---------- */
.media-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 12px;
}

.media-thumb-wrap { cursor: pointer; }

.media-thumb {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  font-size: 32px;
  color: var(--text-dim);
  position: relative;
  transition: border-color 0.15s ease;
}

.media-thumb-wrap:hover .media-thumb { border-color: var(--brass-dim); }

.media-thumb img, .media-thumb video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media-badge {
  position: absolute;
  bottom: 6px;
  right: 6px;
  background: rgba(0,0,0,0.6);
  color: #fff;
  font-size: 11px;
  padding: 2px 6px;
  border-radius: 4px;
}

.media-name {
  margin-top: 6px;
  font-size: 12px;
  color: var(--text-dim);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.upload-btn { display: inline-flex; align-items: center; cursor: pointer; }

/* ---------- MODAL ---------- */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 20px;
}

.modal.hidden { display: none; }

.modal-card {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  width: 100%;
  max-width: 480px;
  max-height: 85vh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.media-preview-card { max-width: 640px; align-items: center; }
.media-preview-card img, .media-preview-card video {
  max-width: 100%;
  max-height: 60vh;
  border-radius: 6px;
}

.modal-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 8px;
}
.modal-actions > div { display: flex; gap: 8px; }

/* ---------- CHAT (dashboard admin view) ---------- */
.hint-text { color: var(--text-dim); font-size: 13px; margin: -8px 0 20px; }

.chat-sessions-list { display: flex; flex-direction: column; gap: 14px; }

.chat-session-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
}

.chat-session-card.ended { opacity: 0.55; }

.chat-session-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  flex-wrap: wrap;
}

.chat-session-top h3 { margin: 0 0 4px; font-size: 16px; }
.chat-session-top .chat-meta { color: var(--text-dim); font-size: 12px; }

.chat-passcode {
  font-family: "SF Mono", Consolas, monospace;
  font-size: 22px;
  letter-spacing: 3px;
  color: var(--brass);
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 14px;
  text-align: center;
}
.chat-passcode-label { font-size: 10px; color: var(--text-dim); text-align: center; margin-top: 4px; letter-spacing: 1px; }

.chat-link-row {
  display: flex;
  gap: 8px;
  margin-top: 12px;
  align-items: center;
}
.chat-link-row input {
  flex: 1;
  font-size: 12px;
  color: var(--text-dim);
  background: var(--bg-panel);
}

.chat-participants {
  margin-top: 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chat-participant-chip {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 4px 6px 4px 12px;
  font-size: 13px;
}

.chat-participant-chip button {
  background: none;
  border: none;
  color: var(--danger);
  cursor: pointer;
  font-size: 14px;
  line-height: 1;
  padding: 2px 6px;
}

.chat-session-actions { margin-top: 14px; display: flex; gap: 8px; }

/* ---------- CHAT ROOM (guest-facing) ---------- */
.chat-room-body { display: flex; flex-direction: column; height: 100vh; }

.chat-room-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
}
.chat-room-header h1 { font-family: var(--font-display); font-size: 18px; margin: 0; }
.chat-room-header .chat-you { font-size: 12px; color: var(--text-dim); }

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 16px 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.chat-msg { max-width: 70%; }
.chat-msg.own { align-self: flex-end; }
.chat-msg .chat-msg-author { font-size: 11px; color: var(--brass-dim); margin-bottom: 3px; }
.chat-msg .chat-msg-bubble {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 8px 12px;
  font-size: 14px;
  word-break: break-word;
}
.chat-msg.own .chat-msg-bubble { background: var(--brass); color: #17181c; border-color: var(--brass); }
.chat-msg .chat-msg-bubble img, .chat-msg .chat-msg-bubble video { max-width: 100%; border-radius: 8px; display: block; }
.chat-msg .chat-msg-time { font-size: 10px; color: var(--text-dim); margin-top: 3px; }
.chat-msg .chat-file-pending { font-size: 13px; opacity: 0.8; cursor: pointer; }

.chat-input-row {
  display: flex;
  gap: 8px;
  padding: 14px 20px;
  border-top: 1px solid var(--border);
  align-items: center;
}
.chat-input-row input[type="text"] { flex: 1; }
.chat-input-row button { flex-shrink: 0; }
.chat-input-row.recording #recordVoiceBtn { background: var(--danger); border-color: var(--danger); color: #fff; }

.chat-join-card { max-width: 380px; }

@media (max-width: 600px) {
  .topbar, .tabs, main { padding-left: 16px; padding-right: 16px; }
  .panel-header { flex-direction: column; align-items: stretch; }
}