/* =====================================================================
   LetsChatPrivate – style.css
   Premium dark-first glassmorphism design
   ===================================================================== */

/* ── Google Font loaded in HTML ── */

/* ══════════════════════════════════════════════════════ CSS Variables ═══ */
:root {
  --bg-primary:      #07070f;
  --bg-secondary:    #0d0d1a;
  --bg-card:         rgba(255,255,255,0.04);
  --bg-card-hover:   rgba(255,255,255,0.07);
  --accent:          #8b5cf6;
  --accent-light:    #a78bfa;
  --accent-glow:     rgba(139,92,246,0.25);
  --accent-2:        #06b6d4;
  --text-primary:    #f1f5f9;
  --text-secondary:  #94a3b8;
  --text-muted:      #475569;
  --border:          rgba(255,255,255,0.07);
  --border-accent:   rgba(139,92,246,0.35);
  --danger:          #ef4444;
  --danger-glow:     rgba(239,68,68,0.3);
  --success:         #22c55e;
  --glass:           rgba(255,255,255,0.04);
  --glass-border:    rgba(255,255,255,0.10);
  --shadow:          0 25px 50px rgba(0,0,0,0.5);
  --ctrl-bg:         rgba(255,255,255,0.08);
  --ctrl-hover:      rgba(255,255,255,0.14);
  --chat-panel-bg:   #0d0d1b;
  --msg-self:        rgba(139,92,246,0.18);
  --msg-other:       rgba(255,255,255,0.06);
  --input-bg:        rgba(255,255,255,0.06);
  --input-border:    rgba(255,255,255,0.10);
  --radius-sm:       8px;
  --radius-md:       12px;
  --radius-lg:       20px;
  --radius-xl:       28px;
  --radius-full:     100px;
  --bg-surface:      rgba(255,255,255,0.03);
  --gradient-top:    linear-gradient(to bottom, rgba(0,0,0,0.75) 0%, transparent 100%);
  --gradient-bottom: linear-gradient(to top, rgba(0,0,0,0.8) 0%, transparent 100%);
  --overlay-bg:      rgba(0, 0, 0, 0.75);
}

[data-theme="light"] {
  --bg-primary:      #f8fafc;
  --bg-secondary:    #f1f5f9;
  --bg-card:         rgba(0,0,0,0.03);
  --bg-card-hover:   rgba(0,0,0,0.06);
  --accent:          #7c3aed;
  --accent-light:    #8b5cf6;
  --accent-glow:     rgba(124,58,237,0.15);
  --accent-2:        #0891b2;
  --text-primary:    #0f172a;
  --text-secondary:  #475569;
  --text-muted:      #94a3b8;
  --border:          rgba(0,0,0,0.08);
  --border-accent:   rgba(124,58,237,0.30);
  --danger:          #dc2626;
  --danger-glow:     rgba(220,38,38,0.2);
  --success:         #16a34a;
  --glass:           rgba(255,255,255,0.7);
  --glass-border:    rgba(0,0,0,0.10);
  --shadow:          0 25px 50px rgba(0,0,0,0.10);
  --ctrl-bg:         rgba(0,0,0,0.07);
  --ctrl-hover:      rgba(0,0,0,0.12);
  --chat-panel-bg:   #ffffff;
  --msg-self:        rgba(124,58,237,0.10);
  --msg-other:       rgba(0,0,0,0.04);
  --input-bg:        rgba(0,0,0,0.04);
  --input-border:    rgba(0,0,0,0.10);
  --bg-surface:      rgba(0,0,0,0.04);
  --gradient-top:    linear-gradient(to bottom, rgba(255,255,255,0.85) 0%, transparent 100%);
  --gradient-bottom: linear-gradient(to top, rgba(255,255,255,0.9) 0%, transparent 100%);
  --overlay-bg:      rgba(255, 255, 255, 0.6);
}

/* ══════════════════════════════════════════════════════ Base Reset ════ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background: var(--bg-primary);
  color: var(--text-primary);
  transition: background 0.3s ease, color 0.3s ease;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  outline: none;
  background: none;
}

input {
  font-family: inherit;
  outline: none;
  border: none;
}

video {
  display: block;
}

/* ══════════════════════════════════════════════════════ Screen System ═ */
.screen {
  position: fixed;
  inset: 0;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.screen.active {
  opacity: 1;
  pointer-events: all;
}

/* ══════════════════════════════════════════════════ Landing Screen ════ */
#landing-screen {
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  background: var(--bg-primary);
}

/* Animated background */
#landing-screen::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 20% 10%, rgba(139,92,246,0.18) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 80% 80%, rgba(6,182,212,0.12) 0%, transparent 60%),
    radial-gradient(ellipse 50% 40% at 60% 30%, rgba(139,92,246,0.08) 0%, transparent 60%);
  animation: bgShift 12s ease-in-out infinite alternate;
  pointer-events: none;
  z-index: 0;
}

@keyframes bgShift {
  0%   { opacity: 1; transform: scale(1) translateY(0); }
  50%  { opacity: 0.8; transform: scale(1.05) translateY(-20px); }
  100% { opacity: 1; transform: scale(1.02) translateY(-10px); }
}

/* ─── Header ─── */
.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 2rem;
  position: relative;
  z-index: 10;
}

/* ─── Logo ─── */
.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  user-select: none;
}

.logo-icon {
  font-size: 1.6rem;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 12px var(--accent-glow));
  transition: filter 0.3s;
}

.logo-icon:hover {
  filter: drop-shadow(0 0 20px var(--accent-glow));
}

.logo-text {
  font-size: 1.15rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent-light), var(--accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.02em;
}

/* ─── Theme button ─── */
.theme-btn {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.9rem;
  border-radius: 100px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-secondary);
  font-size: 0.8rem;
  font-weight: 500;
  backdrop-filter: blur(10px);
  transition: all 0.25s ease;
}

.theme-btn:hover {
  border-color: var(--border-accent);
  color: var(--text-primary);
  background: var(--bg-card-hover);
}

.theme-btn-sm {
  padding: 0.4rem 0.7rem;
}

.theme-label {
  font-size: 0.78rem;
}

/* ─── Landing Main ─── */
.landing-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2.5rem;
  padding: 2rem;
  position: relative;
  z-index: 10;
  min-height: calc(100vh - 80px);
}

/* ─── Hero ─── */
.hero {
  text-align: center;
  max-width: 680px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 1rem;
  border-radius: 100px;
  border: 1px solid var(--border-accent);
  background: rgba(139,92,246,0.08);
  color: var(--accent-light);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  margin-bottom: 1.5rem;
  animation: fadeInDown 0.6s ease both;
}

.badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 8px var(--success);
  animation: pulse-dot 2s ease infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.6; transform: scale(0.85); }
}

.hero-title {
  font-size: clamp(2.4rem, 6vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.04em;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent-light) 40%, var(--accent-2) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 1.2rem;
  animation: fadeInDown 0.6s ease 0.1s both;
}

.hero-subtitle {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.7;
  animation: fadeInDown 0.6s ease 0.2s both;
}

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-18px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ─── Glass Card ─── */
.glass-card {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  box-shadow: var(--shadow), 0 0 0 1px var(--border) inset;
  animation: fadeInUp 0.6s ease 0.3s both;
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

.join-card {
  width: 100%;
  max-width: 500px;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.4rem;
  overflow: hidden;
}

.join-card-header { text-align: center; }

.join-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.3rem;
}

.join-subtitle {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* ─── Input group ─── */
.input-group {
  display: flex;
  gap: 0.5rem;
  width: 100%;
}

.room-input-wrapper {
  flex: 1;
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: var(--radius-md);
  padding: 0 0.85rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.room-input-wrapper:focus-within {
  border-color: var(--border-accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.input-icon {
  font-size: 1rem;
  flex-shrink: 0;
}

.room-input {
  flex: 1;
  min-width: 0;
  width: 100%;
  background: none;
  color: var(--text-primary);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.75rem 0;
  letter-spacing: 0.05em;
}

.room-input::placeholder {
  color: var(--text-muted);
  font-weight: 400;
  letter-spacing: 0;
}

.input-actions {
  display: flex;
  gap: 0.4rem;
  flex-shrink: 0;
}

.generate-btn {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.75rem 0.85rem;
  border-radius: var(--radius-md);
  font-size: 0.82rem;
  font-weight: 600;
  white-space: nowrap;
  transition: all 0.2s ease;
}

.generate-btn {
  border: 1px solid var(--border-accent);
  background: rgba(139,92,246,0.1);
  color: var(--accent-light);
}

.generate-btn:hover {
  background: rgba(139,92,246,0.2);
  border-color: var(--accent);
  transform: translateY(-1px);
}

/* ─── Join button ─── */
.join-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  width: 100%;
  padding: 0.9rem 2rem;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--accent) 0%, #7c3aed 50%, var(--accent-2) 100%);
  background-size: 200% 200%;
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  transition: all 0.3s ease;
  box-shadow: 0 4px 20px var(--accent-glow);
}

.join-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px var(--accent-glow), 0 0 0 1px rgba(139,92,246,0.4);
  background-position: right center;
}

.join-btn:active {
  transform: translateY(0);
}

.join-btn-arrow {
  display: inline-block;
  transition: transform 0.25s ease;
}

.join-btn:hover .join-btn-arrow {
  transform: translateX(5px);
}

/* ─── Feature pills ─── */
.feature-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
}

.pill {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.3rem 0.7rem;
  border-radius: 100px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-secondary);
  font-size: 0.78rem;
  font-weight: 500;
  transition: all 0.2s ease;
  cursor: default;
}

.pill:hover {
  border-color: var(--border-accent);
  color: var(--accent-light);
  background: rgba(139,92,246,0.06);
  transform: translateY(-1px);
}

/* ══════════════════════════════════════════════════════ Call Screen ════ */
#call-screen {
  display: flex;
  flex-direction: column;
  background: var(--bg-primary);
}

/* ─── Top bar ─── */
.call-topbar {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 1.2rem;
  background: var(--gradient-top);
  z-index: 100;
  gap: 1rem;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  min-width: 0;
}

.logo-small .logo-text {
  font-size: 0.95rem;
}

.room-badge {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.3rem 0.65rem;
  border-radius: 100px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  backdrop-filter: blur(10px);
  font-size: 0.8rem;
  max-width: 260px;
}

.room-label {
  color: var(--text-muted);
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  flex-shrink: 0;
}

.room-id-text {
  color: var(--text-primary);
  font-weight: 700;
  letter-spacing: 0.05em;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 0.82rem;
}

.icon-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.08);
  color: var(--text-secondary);
  border: none;
  cursor: pointer;
  transition: all 0.2s;
  flex-shrink: 0;
}

.icon-btn:hover {
  background: rgba(255,255,255,0.16);
  color: var(--text-primary);
}

.topbar-center {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  flex-shrink: 0;
}

/* ─── Connection status ─── */
.conn-status {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.28rem 0.75rem;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  border: 1px solid transparent;
  transition: all 0.3s ease;
}

.status-connecting {
  background: rgba(245,158,11,0.15);
  border-color: rgba(245,158,11,0.3);
  color: #fbbf24;
}

.status-connected {
  background: rgba(34,197,94,0.15);
  border-color: rgba(34,197,94,0.3);
  color: #4ade80;
}

.status-disconnected {
  background: rgba(239,68,68,0.15);
  border-color: rgba(239,68,68,0.3);
  color: #f87171;
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
  animation: statusPulse 2s ease infinite;
}

@keyframes statusPulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.4; }
}

/* ─── Call timer ─── */
.call-timer {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.08em;
  opacity: 0.9;
}

/* ─── Peer count ─── */
.peer-count {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.topbar-right {
  display: flex;
  align-items: center;
}

/* ══════════════════════════════════════════════════════ Video Area ═════ */
.video-area {
  flex: 1;
  position: relative;
  overflow: hidden;
  background: var(--bg-primary);
}

.remote-video-container {
  width: 100%;
  height: 100%;
  position: relative;
  background: var(--bg-primary);
}

.remote-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: object-fit 0s; /* instant switch — no mid-frame weirdness */
}

/* ─── Screen share mode ─── */
/* Switches to contain so the full desktop screen is always visible */
.remote-video-container.screen-share-mode {
  background:
    radial-gradient(circle, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 24px 24px;
  background-color: #0a0a14;
}

.remote-video-container.screen-share-mode .remote-video {
  object-fit: contain;
}

/* ─── Waiting overlay ─── */
.waiting-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(ellipse at center, var(--bg-secondary) 0%, var(--bg-primary) 100%);
  z-index: 10;
  transition: opacity 0.4s ease;
}

.waiting-overlay.hidden {
  opacity: 0;
  pointer-events: none;
}

.waiting-inner {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

/* ─── Pulse rings ─── */
.pulse-wrapper {
  position: relative;
  width: 100px;
  height: 100px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.5rem;
}

.pulse-ring {
  position: absolute;
  border-radius: 50%;
  border: 2px solid var(--accent);
  animation: pulseRing 3s ease-out infinite;
}

.pulse-ring-1 { width: 60px;  height: 60px;  opacity: 0.7; animation-delay: 0s; }
.pulse-ring-2 { width: 80px;  height: 80px;  opacity: 0.45; animation-delay: 0.6s; }
.pulse-ring-3 { width: 100px; height: 100px; opacity: 0.2; animation-delay: 1.2s; }

@keyframes pulseRing {
  0%   { transform: scale(0.8); opacity: 0.7; }
  70%  { transform: scale(1.2); opacity: 0.1; }
  100% { transform: scale(1.4); opacity: 0; }
}

.pulse-core {
  position: relative;
  z-index: 1;
  font-size: 2rem;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 16px var(--accent-glow));
  animation: pulseCoreGlow 3s ease-in-out infinite;
}

@keyframes pulseCoreGlow {
  0%, 100% { filter: drop-shadow(0 0 12px var(--accent-glow)); }
  50%       { filter: drop-shadow(0 0 28px rgba(139,92,246,0.6)); }
}

.waiting-title {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-primary);
}

.waiting-sub {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* ─── Room share box ─── */
.room-share-box {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.5rem 0.8rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-accent);
  background: rgba(139,92,246,0.08);
  backdrop-filter: blur(10px);
  margin-top: 0.5rem;
}

.room-share-id {
  font-size: 1rem;
  font-weight: 700;
  color: var(--accent-light);
  letter-spacing: 0.1em;
}

.share-copy-btn {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-sm);
  background: var(--accent);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
}

.share-copy-btn:hover {
  background: var(--accent-light);
  transform: translateY(-1px);
}

/* ─── Local PiP ─── */
.local-video-container {
  position: absolute;
  bottom: 90px;
  right: 16px;
  width: 180px;
  height: 120px;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 2px solid rgba(255,255,255,0.15);
  box-shadow: 0 8px 32px rgba(0,0,0,0.6);
  cursor: grab;
  transition: border-color 0.2s, box-shadow 0.2s;
  z-index: 50;
  user-select: none;
}

.local-video-container:hover {
  border-color: var(--accent);
  box-shadow: 0 8px 32px rgba(0,0,0,0.6), 0 0 0 2px var(--accent-glow);
}

.local-video-container:active {
  cursor: grabbing;
}

.local-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scaleX(-1);
}

.pip-label {
  position: absolute;
  bottom: 6px;
  left: 8px;
  font-size: 0.7rem;
  font-weight: 600;
  color: rgba(255,255,255,0.85);
  background: rgba(0,0,0,0.5);
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  pointer-events: none;
  backdrop-filter: blur(4px);
}

/* ══════════════════════════════════════════════════════ Chat Panel ═════ */
.chat-panel {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 360px;
  max-width: 100vw;
  background: var(--chat-panel-bg);
  border-left: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  z-index: 150;
  transform: translateX(100%);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
}

.chat-panel.open {
  transform: translateX(0);
}

/* ─── Panel header / tabs ─── */
.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.panel-tabs {
  display: flex;
  gap: 0.25rem;
}

.panel-tab {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.4rem 0.8rem;
  border-radius: var(--radius-sm);
  border: none;
  background: none;
  color: var(--text-muted);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  border-bottom: 2px solid transparent;
}

.panel-tab.active {
  color: var(--accent-light);
  background: rgba(139,92,246,0.1);
  border-bottom-color: var(--accent);
}

.panel-tab:hover:not(.active) {
  color: var(--text-secondary);
  background: var(--bg-card);
}

/* ─── Tab content ─── */
.panel-tab-content {
  display: none;
  flex: 1;
  flex-direction: column;
  overflow: hidden;
}

.panel-tab-content.active {
  display: flex;
}

/* ─── Chat messages ─── */
.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  scrollbar-width: thin;
  scrollbar-color: var(--border-accent) transparent;
}

.chat-messages::-webkit-scrollbar {
  width: 4px;
}
.chat-messages::-webkit-scrollbar-track {
  background: transparent;
}
.chat-messages::-webkit-scrollbar-thumb {
  background: var(--border-accent);
  border-radius: 2px;
}

.chat-empty, .files-empty {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  color: var(--text-muted);
  font-size: 0.85rem;
  text-align: center;
  padding: 2rem;
}

.empty-icon {
  font-size: 2rem;
  opacity: 0.5;
}

/* ─── Message bubbles ─── */
.chat-msg {
  display: flex;
  flex-direction: column;
  max-width: 88%;
  animation: msgIn 0.2s ease both;
}

@keyframes msgIn {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

.chat-msg.self {
  align-self: flex-end;
  align-items: flex-end;
}

.chat-msg.other {
  align-self: flex-start;
  align-items: flex-start;
}

.msg-bubble {
  padding: 0.5rem 0.85rem;
  border-radius: 16px;
  font-size: 0.875rem;
  line-height: 1.5;
  word-break: break-word;
}

.chat-msg.self .msg-bubble {
  background: var(--msg-self);
  border: 1px solid var(--border-accent);
  border-bottom-right-radius: 4px;
  color: var(--text-primary);
}

.chat-msg.other .msg-bubble {
  background: var(--msg-other);
  border: 1px solid var(--border);
  border-bottom-left-radius: 4px;
  color: var(--text-primary);
}

.msg-time {
  font-size: 0.68rem;
  color: var(--text-muted);
  margin-top: 0.2rem;
  padding: 0 0.2rem;
}

/* ─── Chat input area ─── */
.chat-input-area {
  display: flex;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}

.chat-input {
  flex: 1;
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.875rem;
  padding: 0.6rem 0.85rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.chat-input:focus {
  border-color: var(--border-accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.chat-input::placeholder { color: var(--text-muted); }

.send-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  background: var(--accent);
  color: #fff;
  flex-shrink: 0;
  transition: all 0.2s;
}

.send-btn:hover {
  background: var(--accent-light);
  transform: translateY(-1px);
}

/* ─── Files tab ─── */
.files-list {
  flex: 1;
  overflow-y: auto;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  scrollbar-width: thin;
  scrollbar-color: var(--border-accent) transparent;
}

.file-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: var(--bg-card);
  transition: border-color 0.2s;
  animation: msgIn 0.2s ease both;
}

.file-item:hover {
  border-color: var(--border-accent);
}

.file-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.file-info {
  flex: 1;
  min-width: 0;
}

.file-name {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.file-size {
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-top: 0.1rem;
}

.file-progress-bar {
  height: 3px;
  border-radius: 2px;
  background: var(--border);
  margin-top: 0.4rem;
  overflow: hidden;
}

.file-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  border-radius: 2px;
  transition: width 0.15s ease;
}

.file-download-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.35rem 0.65rem;
  border-radius: var(--radius-sm);
  background: var(--accent);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s;
  flex-shrink: 0;
  white-space: nowrap;
}

.file-download-btn:hover {
  background: var(--accent-light);
  transform: translateY(-1px);
}

/* ─── File upload area ─── */
.file-upload-area {
  padding: 0.75rem 1rem;
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}

.file-upload-label {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem;
  border: 2px dashed var(--border);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}

.file-upload-label:hover {
  border-color: var(--accent);
  background: rgba(139,92,246,0.06);
  color: var(--accent-light);
}

.file-input-hidden {
  display: none;
}

/* ══════════════════════════════════════════════════════ Control Bar ════ */
.control-bar {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  padding: 0.75rem 1rem 1rem;
  background: var(--gradient-bottom);
  z-index: 80;
  gap: 0.5rem;
}

.ctrl-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.ctrl-group-center {
  gap: 0.6rem;
}

.ctrl-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
  min-width: 64px;
  padding: 0.6rem 0.75rem;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,0.1);
  background: var(--ctrl-bg);
  color: var(--text-primary);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

.ctrl-btn:hover {
  background: var(--ctrl-hover);
  border-color: rgba(255,255,255,0.2);
  transform: translateY(-2px);
}

.ctrl-btn:active {
  transform: translateY(0);
}

.ctrl-icon {
  font-size: 1.25rem;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
}

.ctrl-icon .icon-svg {
  width: 24px;
  height: 24px;
  display: block;
  flex-shrink: 0;
}

.ctrl-label {
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

/* Active state */
.ctrl-btn.ctrl-active {
  background: rgba(139,92,246,0.15);
  border-color: rgba(139,92,246,0.35);
}

/* Muted/off state */
.ctrl-btn.ctrl-off {
  background: rgba(239,68,68,0.12);
  border-color: rgba(239,68,68,0.3);
  color: var(--danger);
}

/* Danger (leave) */
.ctrl-btn.ctrl-danger {
  background: rgba(239,68,68,0.15);
  border-color: rgba(239,68,68,0.35);
  min-width: 72px;
}

.ctrl-btn.ctrl-danger:hover {
  background: rgba(239,68,68,0.28);
  box-shadow: 0 0 20px var(--danger-glow);
}

/* Panel open state */
.ctrl-btn.panel-open {
  background: rgba(139,92,246,0.2);
  border-color: var(--border-accent);
}

/* ─── Unread badge ─── */
.chat-badge {
  position: absolute;
  top: 6px;
  right: 6px;
  min-width: 18px;
  height: 18px;
  padding: 0 4px;
  border-radius: 9px;
  background: var(--danger);
  color: #fff;
  font-size: 0.65rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  pointer-events: none;
  box-shadow: 0 2px 8px rgba(239,68,68,0.5);
}

.chat-badge.hidden {
  display: none;
}

/* ══════════════════════════════════════════════════════ Toast ══════════ */
.toast {
  position: fixed;
  bottom: 6rem;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border-accent);
  border-radius: 100px;
  padding: 0.55rem 1.3rem;
  font-size: 0.85rem;
  font-weight: 500;
  backdrop-filter: blur(16px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.5);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease, transform 0.3s ease;
  z-index: 9999;
  white-space: nowrap;
  max-width: 90vw;
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ════════════════════════════════════════════ Modal Overlay & Card ═══ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: var(--overlay-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 999;
  padding: 1rem;
  animation: fadeIn 0.25s ease both;
}

.modal-card {
  background: var(--bg-secondary);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 380px;
  padding: 1.5rem;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  animation: scaleUp 0.3s cubic-bezier(0.34, 1.56, 0.64, 1) both;
}

@keyframes scaleUp {
  from { transform: scale(0.9); opacity: 0; }
  to   { transform: scale(1); opacity: 1; }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
}

.modal-close-btn {
  font-size: 1.2rem;
  color: var(--text-muted);
  padding: 0.25rem 0.5rem;
  border-radius: 6px;
  transition: color 0.2s, background 0.2s;
}

.modal-close-btn:hover {
  color: var(--text-primary);
  background: var(--bg-card-hover);
}

.modal-sub {
  font-size: 0.82rem;
  color: var(--text-secondary);
  text-align: center;
}

.qr-container {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  background: #ffffff;
  border-radius: var(--radius-md);
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
}

.qr-container img {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: 4px;
}

.qr-url-box {
  display: flex;
  gap: 0.5rem;
}

.qr-url-input {
  flex: 1;
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.78rem;
  padding: 0.5rem 0.75rem;
}

.copy-url-btn {
  background: var(--accent);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius-sm);
  transition: background 0.2s;
  white-space: nowrap;
}

.copy-url-btn:hover {
  background: var(--accent-light);
}

.share-qr-btn {
  background: rgba(139,92,246,0.15) !important;
  border-color: rgba(139,92,246,0.35) !important;
  color: var(--accent-light) !important;
}

.share-qr-btn:hover {
  background: rgba(139,92,246,0.25) !important;
}

/* ════════════════════════════════════════════ Video Off Avatar Fallbacks ══ */
.video-off-avatar {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: radial-gradient(circle at center, var(--bg-secondary), var(--bg-primary));
  z-index: 5;
  color: var(--text-secondary);
}

.avatar-circle {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--bg-card-hover);
  border: 2px solid var(--border-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.2rem;
  box-shadow: 0 0 20px var(--accent-glow);
}

.avatar-circle-sm {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--bg-card-hover);
  border: 1.5px solid var(--border-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.video-off-text {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
}

/* ══════════════════════════════════════════════════ Utility ════════════ */
.hidden { display: none !important; }

/* ══════════════════════════════════════════════════════ Responsive System ═ */

/* ─── Tablets & Small Desktops (<= 1024px) ─── */
@media (max-width: 1024px) {
  .join-card {
    max-width: 480px;
  }
}

/* ─── Mobile Devices & Tablets (<= 768px) ─── */
@media (max-width: 768px) {
  html, body, .screen {
    height: 100dvh;
  }

  #landing-screen {
    overflow-y: auto;
  }

  .app-header {
    padding: 1rem 1.25rem;
  }

  .landing-main {
    padding: 1.25rem;
    gap: 1.5rem;
    min-height: auto;
  }

  .hero-title {
    font-size: 2.4rem;
  }

  .hero-subtitle br { display: none; }

  .logo-small { display: none; }

  /* Call Topbar */
  .call-topbar {
    padding: 0.5rem 0.75rem;
  }

  .topbar-center {
    gap: 0.4rem;
  }

  .call-timer {
    font-size: 0.75rem;
    padding: 0.15rem 0.45rem;
  }

  .peer-count {
    padding: 0.15rem 0.45rem;
    font-size: 0.75rem;
  }

  /* Full-width overlay chat panel on mobile */
  .chat-panel {
    position: fixed;
    inset: 0;
    width: 100vw;
    height: 100dvh;
    top: 0;
    left: 0;
    z-index: 250;
    box-shadow: 0 -10px 40px rgba(0,0,0,0.6);
  }

  .panel-header {
    padding-top: max(0.75rem, env(safe-area-inset-top));
  }

  /* Local video container PiP */
  .local-video-container {
    width: 110px;
    height: 75px;
    bottom: 85px;
    right: 12px;
  }

  .pip-label {
    font-size: 0.65rem;
    padding: 0.1rem 0.35rem;
  }

  /* Control bar */
  .control-bar {
    padding: 0.6rem 0.5rem max(0.6rem, env(safe-area-inset-bottom));
    gap: 0.35rem;
    justify-content: space-around;
  }

  .ctrl-group {
    gap: 0.35rem;
  }

  .ctrl-label {
    display: none;
  }

  .ctrl-btn {
    min-width: 46px;
    height: 46px;
    padding: 0;
    border-radius: 12px;
  }

  .ctrl-btn.ctrl-danger {
    min-width: 52px;
  }

  .ctrl-icon {
    font-size: 1.35rem;
    width: 26px;
    height: 26px;
  }

  .ctrl-icon .icon-svg {
    width: 26px;
    height: 26px;
  }
}

/* ─── Small Mobile Devices (<= 480px) ─── */
@media (max-width: 480px) {
  .hero-title {
    font-size: 1.85rem;
  }

  .hero-badge {
    font-size: 0.75rem;
    padding: 0.3rem 0.75rem;
  }

  .join-card {
    padding: 1.25rem;
  }

  .join-title {
    font-size: 1.1rem;
  }

  .input-group {
    flex-direction: column;
    gap: 0.5rem;
  }

  .input-actions {
    width: 100%;
    display: flex;
    gap: 0.5rem;
  }

  .generate-btn {
    flex: 1;
    justify-content: center;
  }

  .join-btn {
    padding: 0.75rem;
    font-size: 0.95rem;
  }

  .feature-pills {
    gap: 0.35rem;
  }

  .pill {
    font-size: 0.7rem;
    padding: 0.2rem 0.5rem;
  }

  .room-badge {
    font-size: 0.75rem;
    padding: 0.2rem 0.5rem;
  }

  .room-id-text {
    max-width: 90px;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .topbar-center {
    display: flex;
  }

  .peer-count-icon { display: none; }
  .call-timer { display: none; }

  .local-video-container {
    width: 95px;
    height: 65px;
    bottom: 75px;
    right: 10px;
  }

  .avatar-circle {
    width: 56px;
    height: 56px;
    font-size: 1.8rem;
  }
}

/* ─── Low Height / Landscape Screens (<= 600px height) ─── */
@media (max-height: 600px) {
  .landing-main {
    padding: 1rem;
    gap: 1rem;
  }

  .hero {
    margin-top: 0.5rem;
  }

  .hero-title {
    font-size: 1.6rem;
  }

  .hero-subtitle {
    font-size: 0.85rem;
  }

  .feature-pills {
    display: none;
  }

  .local-video-container {
    width: 90px;
    height: 60px;
    bottom: 70px;
  }
}

/* ════════════════════════════════════════════════ PWA & Install UI ═══ */
.header-actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.pwa-install-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.45rem 0.9rem;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--accent), #7c3aed);
  color: #ffffff;
  font-size: 0.82rem;
  font-weight: 600;
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 4px 14px var(--accent-glow);
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  white-space: nowrap;
}

.pwa-install-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px var(--accent-glow);
  background: linear-gradient(135deg, var(--accent-light), #8b5cf6);
}

.pwa-install-btn:active {
  transform: translateY(0);
}

/* Landing Page Install Banner */
.pwa-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 1.1rem;
  margin-top: 0.8rem;
  border-radius: var(--radius-md);
  background: rgba(139, 92, 246, 0.08);
  border: 1px solid var(--border-accent);
  transition: all 0.2s;
}

.pwa-banner-content {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.pwa-banner-icon {
  font-size: 1.6rem;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: rgba(139, 92, 246, 0.15);
  border: 1px solid rgba(139, 92, 246, 0.3);
  flex-shrink: 0;
}

.pwa-banner-info h4 {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
}

.pwa-banner-info p {
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-top: 0.15rem;
  line-height: 1.3;
}

.pwa-card-install-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.5rem 0.95rem;
  border-radius: var(--radius-sm);
  background: var(--accent);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 600;
  white-space: nowrap;
  transition: all 0.2s;
  flex-shrink: 0;
}

.pwa-card-install-btn:hover {
  background: var(--accent-light);
  transform: translateY(-1px);
}

/* iOS Safari Install Step Modal */
.ios-modal-card {
  max-width: 440px;
}

.ios-step-intro {
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-bottom: 0.8rem;
}

.ios-steps-list {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  list-style: none;
  padding: 0;
  margin: 0;
}

.ios-steps-list li {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 0.7rem 0.9rem;
  background: var(--bg-card-hover);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-size: 0.83rem;
  color: var(--text-primary);
}

.step-num {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.ios-icon-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: rgba(139, 92, 246, 0.18);
  color: var(--accent-light);
  margin-left: auto;
  flex-shrink: 0;
}

/* Offline Banner */
.offline-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: linear-gradient(90deg, #dc2626, #ea580c);
  color: #ffffff;
  font-size: 0.8rem;
  font-weight: 600;
  text-align: center;
  padding: 0.35rem 1rem;
  z-index: 9999;
  box-shadow: 0 2px 10px rgba(0,0,0,0.3);
  animation: slideDown 0.3s ease both;
}

@keyframes slideDown {
  from { transform: translateY(-100%); }
  to   { transform: translateY(0); }
}

@media (max-width: 480px) {
  .pwa-banner {
    flex-direction: column;
    align-items: stretch;
    text-align: center;
  }
  .pwa-banner-content {
    flex-direction: column;
  }
  .pwa-card-install-btn {
    justify-content: center;
    width: 100%;
  }
}

/* ════════════════════════════════════════════════ Connection Quality & Stats ═══ */
.net-quality-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-full);
  background: var(--bg-card);
  border: 1px solid var(--border);
  transition: all 0.3s ease;
}

.quality-excellent {
  color: #10b981;
  border-color: rgba(16, 185, 129, 0.4);
  background: rgba(16, 185, 129, 0.1);
}

.quality-good {
  color: #3b82f6;
  border-color: rgba(59, 130, 246, 0.4);
  background: rgba(59, 130, 246, 0.1);
}

.quality-fair {
  color: #f59e0b;
  border-color: rgba(245, 158, 11, 0.4);
  background: rgba(245, 158, 11, 0.1);
}

.quality-poor {
  color: #ef4444;
  border-color: rgba(239, 68, 68, 0.4);
  background: rgba(239, 68, 68, 0.1);
}

/* Modal sizing variations */
.stats-modal-card {
  max-width: 580px;
  width: 95%;
}

.turn-modal-card {
  max-width: 540px;
  width: 95%;
}

/* Stats grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 0.75rem;
  margin-bottom: 1.2rem;
}

.stat-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 0.65rem 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.stat-label {
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
}

.stat-value {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
}

.stat-value.text-sm {
  font-size: 0.75rem;
  word-break: break-all;
}

.badge-state {
  display: inline-block;
  color: var(--accent-light);
}

.stats-actions {
  display: flex;
  justify-content: flex-end;
}

.stats-action-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-md);
  background: var(--accent);
  color: #ffffff;
  font-size: 0.82rem;
  font-weight: 600;
  transition: all 0.2s;
}

.stats-action-btn:hover {
  background: var(--accent-light);
  transform: translateY(-1px);
}

/* Form controls for settings modal */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-bottom: 1rem;
}

.form-row {
  display: flex;
  gap: 0.75rem;
}

.flex-1 { flex: 1; }

.form-label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.form-input, .form-textarea {
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.85rem;
  padding: 0.55rem 0.75rem;
  font-family: inherit;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-input:focus, .form-textarea:focus {
  border-color: var(--border-accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.modal-footer-btns {
  display: flex;
  justify-content: flex-end;
  gap: 0.6rem;
  margin-top: 1rem;
}

.modal-btn {
  padding: 0.5rem 1rem;
  border-radius: var(--radius-md);
  font-size: 0.82rem;
  font-weight: 600;
  transition: all 0.2s;
}

.modal-btn-secondary {
  background: var(--bg-surface);
  color: var(--text-secondary);
  border: 1px solid var(--border);
}

.modal-btn-secondary:hover {
  background: var(--bg-card);
  color: var(--text-primary);
}

.modal-btn-primary {
  background: var(--accent);
  color: #ffffff;
}

.modal-btn-primary:hover {
  background: var(--accent-light);
  transform: translateY(-1px);
}


/* ════════════════════════════════════════════════ Update Banner ═══════ */
.update-banner {
  position: fixed;
  bottom: 1.25rem;
  left: 50%;
  transform: translateX(-50%) translateY(120%);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  background: linear-gradient(135deg, rgba(16, 16, 32, 0.96), rgba(30, 20, 60, 0.97));
  border: 1px solid rgba(139, 92, 246, 0.5);
  border-radius: 14px;
  padding: 0.85rem 1rem 0.85rem 1.1rem;
  width: min(480px, calc(100vw - 2rem));
  box-shadow:
    0 8px 32px rgba(0, 0, 0, 0.45),
    0 0 0 1px rgba(139, 92, 246, 0.15),
    0 0 24px rgba(139, 92, 246, 0.12);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  transition: transform 0.45s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.35s ease;
  opacity: 0;
}

.update-banner.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

.update-banner-content {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex: 1;
  min-width: 0;
}

.update-banner-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
  animation: rocketBounce 1.8s ease-in-out infinite;
}

@keyframes rocketBounce {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-4px); }
}

.update-banner-text {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  min-width: 0;
}

.update-banner-text strong {
  font-size: 0.88rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.01em;
}

.update-banner-text span {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.6);
}

.update-banner-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
}

.update-refresh-btn {
  padding: 0.42rem 0.9rem;
  border-radius: 8px;
  background: linear-gradient(135deg, #8b5cf6, #6d28d9);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 700;
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
  box-shadow: 0 2px 10px rgba(109, 40, 217, 0.4);
}

.update-refresh-btn:hover {
  background: linear-gradient(135deg, #a78bfa, #7c3aed);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(109, 40, 217, 0.55);
}

.update-dismiss-btn {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.75rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.update-dismiss-btn:hover {
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
}

@media (max-width: 480px) {
  .update-banner {
    flex-direction: column;
    align-items: flex-start;
    bottom: 4.5rem;
  }
  .update-banner-actions {
    align-self: flex-end;
  }
}