/* ===== Variables ===== */
:root {
  --bg-deep: #0a0a0f;
  --bg-main: #0f0f14;
  --bg-card: rgba(20, 20, 28, 0.6);
  --bg-glass: rgba(255, 255, 255, 0.04);
  --bg-glass-hover: rgba(255, 255, 255, 0.08);
  --border-glass: rgba(255, 255, 255, 0.08);
  --text-primary: #f0f0f5;
  --text-secondary: #a0a0b0;
  --text-muted: #606070;
  --accent: #6366f1;
  --accent-hover: #818cf8;
  --success: #22c55e;
  --warning: #eab308;
  --error: #ef4444;
  --radius: 14px;
  --radius-sm: 10px;
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  --font: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== Reset & Base ===== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg-main);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent-hover); }
input, button, textarea, select {
  font-family: inherit;
  font-size: 1rem;
}

/* ===== App wrap ===== */
.app-wrap {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  padding-bottom: 72px;
}
@media (min-width: 768px) {
  .app-wrap { padding-bottom: 0; }
}

/* ===== Main header ===== */
.main-header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-glass);
  transition: transform var(--transition), box-shadow var(--transition);
}
.main-header:hover {
  box-shadow: var(--shadow);
}
.logo {
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}
.nav-desktop {
  display: none;
}
@media (min-width: 768px) {
  .nav-desktop {
    display: flex;
    gap: 4px;
  }
}
.nav-link {
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-weight: 500;
  transition: background var(--transition), color var(--transition);
}
.nav-link:hover {
  color: var(--text-primary);
  background: var(--bg-glass-hover);
}
.nav-link.active {
  color: var(--accent);
  background: rgba(99, 102, 241, 0.15);
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}
.community-badge {
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  color: var(--text-secondary);
  border: 1px solid var(--border-glass);
}
.admin-badge {
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  background: linear-gradient(135deg, var(--accent), #8b5cf6);
  color: #fff;
}

/* ===== Main content ===== */
.main-content {
  flex: 1;
  padding: 24px 20px;
  max-width: 900px;
  margin: 0 auto;
  width: 100%;
}

/* ===== Glass cards ===== */
.glass {
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius);
  transition: transform var(--transition), box-shadow var(--transition);
}
.glass:hover {
  box-shadow: var(--shadow);
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  border: none;
  border-radius: var(--radius-sm);
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.15s ease, background var(--transition), color var(--transition);
}
.btn:active { transform: scale(0.98); }
.btn-primary {
  background: linear-gradient(135deg, var(--accent), #8b5cf6);
  color: #fff;
}
.btn-primary:hover {
  background: linear-gradient(135deg, var(--accent-hover), #a78bfa);
}
.btn-ghost {
  background: var(--bg-glass);
  color: var(--text-secondary);
  border: 1px solid var(--border-glass);
}
.btn-ghost:hover {
  background: var(--bg-glass-hover);
  color: var(--text-primary);
}
.btn-sm { padding: 6px 12px; font-size: 0.875rem; }
.btn-block { width: 100%; }
.btn-approve { background: var(--success); color: #fff; }
.btn-reject { background: var(--error); color: #fff; }
.btn-remove { background: var(--text-muted); color: #fff; }
.btn-icon { padding: 12px; border-radius: 50%; }

/* ===== Join page ===== */
.join-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.join-card {
  width: 100%;
  max-width: 400px;
  padding: 32px;
  text-align: center;
}
.join-card-icon {
  font-size: 3rem;
  margin-bottom: 16px;
}
.join-card-icon.error { color: var(--error); }
.join-sub { color: var(--text-secondary); margin-bottom: 20px; }
.join-error { color: var(--error); margin-bottom: 12px; font-size: 0.9rem; }
.join-form { text-align: left; }
.join-form label {
  display: block;
  margin-top: 14px;
  margin-bottom: 6px;
  font-weight: 500;
  color: var(--text-secondary);
}
.join-form input {
  width: 100%;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-glass);
  background: var(--bg-card);
  color: var(--text-primary);
  transition: border-color var(--transition);
}
.join-form input:focus {
  outline: none;
  border-color: var(--accent);
}
.join-form button { margin-top: 20px; }

/* ===== Landing (home when not logged in) ===== */
.landing-page { padding: 24px 20px; max-width: 520px; margin: 0 auto; }
.landing-hero { padding: 28px 24px; margin-bottom: 24px; text-align: center; }
.landing-hero h1 { margin: 0 0 8px; font-size: 1.75rem; }
.landing-tagline { color: var(--text-secondary); margin: 0 0 20px; font-size: 1rem; }
.landing-cta { margin-top: 12px; padding: 14px 24px; font-size: 1.1rem; }
.landing-actions { margin-bottom: 28px; }
.landing-btn { margin-bottom: 16px; }
.landing-divider { text-align: center; color: var(--text-muted); margin: 16px 0; font-size: 0.9rem; }
.landing-join { padding: 20px; margin-top: 8px; }
.landing-join h2 { margin: 0 0 12px; font-size: 1.1rem; }
.how-it-works { padding: 20px; margin-top: 24px; }
.how-it-works h2 { margin: 0 0 14px; font-size: 1.1rem; }
.steps-list { margin: 0; padding-left: 1.25rem; color: var(--text-secondary); font-size: 0.95rem; line-height: 1.6; }
.steps-list li { margin-bottom: 10px; }

/* ===== Login (community picker) ===== */
.community-option {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  margin-bottom: 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--transition);
}
.community-option:hover { background: var(--bg-glass-hover); }
.community-option input { margin: 0; }
.community-name { flex: 1; font-weight: 500; }
.community-status { font-size: 0.85rem; color: var(--text-muted); }
.login-footer { margin-top: 20px; text-align: center; font-size: 0.9rem; }

/* ===== Home ===== */
.home-page { animation: fadeIn 0.4s ease; }
.banner.pending {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 20px;
  margin-bottom: 24px;
  border-left: 4px solid var(--warning);
}
.banner-icon { font-size: 1.5rem; }
.hero {
  padding: 28px 24px;
  margin-bottom: 28px;
  text-align: center;
}
.hero h1 { margin: 0 0 8px; font-size: 1.75rem; font-weight: 700; }
.hero-sub { color: var(--text-secondary); margin: 0; }
.quick-actions {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 16px;
}
.quick-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 24px 16px;
  text-align: center;
  color: var(--text-primary);
  transition: transform var(--transition);
}
.quick-card:hover {
  transform: translateY(-4px);
  color: var(--text-primary);
}
.quick-card-disabled {
  opacity: 0.7;
  cursor: default;
  pointer-events: none;
}
.quick-card-disabled:hover {
  transform: none;
}
.quick-icon { font-size: 2rem; }

/* ===== Page center (no community) ===== */
.page-center {
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
}
.page-center .card { max-width: 420px; padding: 28px; }
.code-hint { font-size: 0.85rem; color: var(--text-secondary); }
.code-hint code { background: var(--bg-card); padding: 4px 8px; border-radius: 6px; }

/* ===== Profile ===== */
.profile-page { max-width: 520px; }
.profile-card { padding: 28px; margin-bottom: 24px; }
.profile-dl { margin: 0 0 20px; }
.profile-dl dt { color: var(--text-muted); font-size: 0.85rem; margin-top: 12px; }
.profile-dl dd { margin: 4px 0 0; font-weight: 500; }
.admin-section { padding: 24px; margin-bottom: 24px; }
.admin-section h2 { margin-top: 0; font-size: 1.2rem; }
.profile-form label { display: block; margin-bottom: 6px; color: var(--text-secondary); }
.profile-form input {
  width: 100%;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-glass);
  background: var(--bg-card);
  color: var(--text-primary);
  margin-bottom: 14px;
}
.link-row {
  padding: 14px 16px;
  margin-bottom: 12px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}
.join-link { font-size: 0.8rem; word-break: break-all; color: var(--accent); }
.link-status { font-size: 0.8rem; color: var(--text-muted); }
.form-error { color: var(--error); }
.form-success { color: var(--success); }

/* ===== Members ===== */
.members-page { animation: fadeIn 0.4s ease; }
.page-head { margin: 0 0 24px; font-size: 1.5rem; font-weight: 700; }
.members-list { display: flex; flex-direction: column; gap: 12px; }
.member-card {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  padding: 16px 20px;
}
.member-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), #8b5cf6);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.1rem;
}
.member-info { flex: 1; min-width: 0; }
.member-name { font-weight: 600; margin-right: 8px; }
.badge { font-size: 0.75rem; padding: 2px 8px; border-radius: 999px; }
.approved-badge { background: rgba(34, 197, 94, 0.2); color: var(--success); }
.pending-badge { background: rgba(234, 179, 8, 0.2); color: var(--warning); }
.member-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.member-meta { font-size: 0.8rem; color: var(--text-muted); width: 100%; margin-top: 6px; }

/* ===== Chat ===== */
.chat-page { height: calc(100vh - 140px); min-height: 400px; }
.chat-container {
  display: flex;
  flex-direction: column;
  height: 100%;
  max-height: 700px;
  padding: 0;
  overflow: hidden;
}
.chat-header { padding: 16px 20px; border-bottom: 1px solid var(--border-glass); }
.chat-header h1 { margin: 0; font-size: 1.2rem; }
.chat-restricted { color: var(--warning); font-size: 0.9rem; margin: 6px 0 0; }
.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.chat-msg {
  padding: 12px 16px;
  max-width: 85%;
  align-self: flex-start;
}
.msg-meta { font-size: 0.8rem; margin-bottom: 4px; }
.msg-name { font-weight: 600; margin-right: 6px; }
.msg-badge { font-size: 0.7rem; margin-right: 6px; }
.msg-time { color: var(--text-muted); }
.msg-body { color: var(--text-primary); word-break: break-word; }
.chat-form {
  display: flex;
  gap: 10px;
  padding: 16px 20px;
  border-top: 1px solid var(--border-glass);
}
.chat-form input {
  flex: 1;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-glass);
  background: var(--bg-card);
  color: var(--text-primary);
}
.chat-form input:focus { outline: none; border-color: var(--accent); }
.chat-disabled { padding: 16px; text-align: center; color: var(--text-muted); }
.chat-empty { color: var(--text-muted); text-align: center; padding: 20px; }
.chat-loading { color: var(--text-muted); padding: 20px; text-align: center; }

/* ===== Call page ===== */
.call-page { padding: 20px; min-height: 80vh; }
.call-container { padding: 20px; max-width: 900px; margin: 0 auto; }
.call-header { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-bottom: 20px; }
.call-room-id { font-size: 0.85rem; color: var(--text-muted); }
.call-video-area {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 20px;
}
.call-local-wrap, .call-remote-wrap {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg-card);
  aspect-ratio: 4/3;
}
.call-local-wrap video, .call-remote-wrap video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.call-label { position: absolute; bottom: 8px; left: 8px; font-size: 0.8rem; background: rgba(0,0,0,0.6); padding: 4px 8px; border-radius: 6px; }
.call-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

.call-start-area { text-align: center; padding: 32px 24px; margin: 20px 0; border-radius: var(--radius); }
.call-start-area .call-start-hint { margin: 0 0 20px; color: var(--text-secondary); font-size: 1rem; }
.call-start-area .call-start-icon { font-size: 1.5rem; margin-right: 8px; vertical-align: middle; }
.call-start-area .btn-lg { padding: 14px 28px; font-size: 1.1rem; }
.call-start-area .call-start-note { margin: 16px 0 0; font-size: 0.85rem; color: var(--text-muted); }

.call-participants-bar { display: flex; align-items: center; gap: 10px; padding: 10px 16px; margin-top: 16px; border-radius: var(--radius); flex-wrap: wrap; }
.call-participants-label { font-size: 0.9rem; color: var(--text-muted); font-weight: 500; }
.call-participants-list { font-size: 0.9rem; color: var(--text-primary); }

/* ===== Voice community ===== */
.voice-page { animation: fadeIn 0.4s ease; }
.voice-actions { padding: 16px; margin-bottom: 24px; }
.voice-rooms { display: flex; flex-direction: column; gap: 12px; }
.voice-room-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px;
  transition: transform var(--transition);
}
.voice-room-card:hover { transform: translateX(4px); }
.voice-room-meta { font-size: 0.85rem; color: var(--text-muted); display: block; margin-top: 4px; }
.voice-loading, .voice-empty { color: var(--text-muted); padding: 20px; text-align: center; }
.modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
}
.modal[hidden] { display: none; }
.modal-content {
  width: 90%;
  max-width: 400px;
  padding: 28px;
  border-radius: var(--radius);
}
.modal-content h2 { margin-top: 0; }
.modal-content label { display: block; margin-bottom: 6px; color: var(--text-secondary); }
.modal-content input {
  width: 100%;
  padding: 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-glass);
  background: var(--bg-card);
  color: var(--text-primary);
  margin-bottom: 16px;
}
.modal-actions { display: flex; gap: 12px; justify-content: flex-end; }

/* ===== Voice room page ===== */
.voice-room-page { max-width: 600px; margin: 0 auto; }
.voice-room-container { padding: 24px; }
.voice-room-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 24px; }
.voice-room-participants { margin-bottom: 24px; }
.voice-participant {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  margin-bottom: 10px;
}
.voice-participant-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}
.voice-participant-role { font-size: 0.8rem; color: var(--text-muted); margin-left: auto; }

/* ===== Mobile nav ===== */
.nav-mobile {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 90;
  display: flex;
  justify-content: space-around;
  padding: 10px 0 max(10px, env(safe-area-inset-bottom));
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  border-top: 1px solid var(--border-glass);
}
@media (min-width: 768px) {
  .nav-mobile { display: none; }
}
.nav-mob-link {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 8px 16px;
  color: var(--text-secondary);
  font-size: 0.75rem;
  transition: color var(--transition);
}
.nav-mob-link:hover { color: var(--text-primary); }
.nav-mob-link.active { color: var(--accent); }
.nav-mob-icon { font-size: 1.25rem; }

/* ===== Animations ===== */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}
.card { padding: 24px; }

/* ===== Direct (private) chat ===== */
.direct-chat-page { padding: 20px 0; }
.direct-chat-container { max-width: 640px; margin: 0 auto; padding: 20px; min-height: 400px; display: flex; flex-direction: column; }
.direct-chat-header { margin-bottom: 16px; display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.direct-chat-header h1 { margin: 0; font-size: 1.2rem; }
.direct-chat-hint { margin: 8px 0 0; font-size: 0.9rem; color: var(--text-muted); }
.direct-chat-messages { flex: 1; min-height: 280px; max-height: 50vh; overflow-y: auto; padding: 12px 0; }
.direct-chat-form { margin-top: 12px; }
.direct-msg { margin-bottom: 10px; padding: 10px 14px; max-width: 85%; }
.direct-msg-me { margin-left: auto; background: rgba(var(--accent-rgb), 0.15); border-color: var(--accent); }
.direct-chat-list { display: flex; flex-direction: column; gap: 10px; }
.direct-conv-card { display: block; padding: 14px 18px; border-radius: var(--radius); color: inherit; text-decoration: none; transition: background var(--transition); }
.direct-conv-card:hover { background: var(--bg-glass-hover); }
.direct-conv-name { font-weight: 600; display: block; margin-bottom: 4px; }
.direct-conv-preview { font-size: 0.9rem; color: var(--text-muted); display: block; }
.direct-conv-time { font-size: 0.8rem; color: var(--text-muted); margin-top: 4px; display: block; }