/* ============================================================
   MediaSyncer PWA — Global Stylesheet
   Dark glassmorphism, purple accent, smooth animations
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

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

:root {
  --accent:        #9B6DFF;
  --accent-dim:    #7C3AED;
  --accent-dark:   #4F46E5;
  --bg:            #080810;
  --surface:       rgba(255,255,255,0.05);
  --surface-hover: rgba(255,255,255,0.09);
  --border:        rgba(255,255,255,0.1);
  --text:          #FFFFFF;
  --text-dim:      rgba(255,255,255,0.6);
  --text-muted:    rgba(255,255,255,0.25);
  --radius-sm:     8px;
  --radius:        14px;
  --radius-lg:     20px;
  --radius-xl:     28px;
  --transition:    0.22s cubic-bezier(.4,0,.2,1);
}

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100dvh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ── Animated background blobs ────────────────────────────── */
.blob-container {
  position: fixed; inset: 0; pointer-events: none; z-index: 0; overflow: hidden;
}
.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  animation: blob-pulse 4s ease-in-out infinite alternate;
}
.blob-1 {
  width: 500px; height: 500px;
  top: -150px; left: -150px;
  background: radial-gradient(circle, rgba(139,92,246,.35) 0%, transparent 70%);
  animation-delay: 0s;
}
.blob-2 {
  width: 380px; height: 380px;
  bottom: -100px; right: -100px;
  background: radial-gradient(circle, rgba(124,58,237,.3) 0%, transparent 70%);
  animation-delay: 1.5s;
}
.blob-3 {
  width: 260px; height: 260px;
  top: 50%; left: -80px;
  background: radial-gradient(circle, rgba(79,70,229,.22) 0%, transparent 70%);
  animation-delay: 0.8s;
}
@keyframes blob-pulse {
  0%   { opacity: .6; transform: scale(1); }
  100% { opacity: 1;  transform: scale(1.12); }
}

/* ── Page wrapper ─────────────────────────────────────────── */
.page {
  position: relative; z-index: 1;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  padding: clamp(20px, 5vw, 40px);
}

.home-container {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 20px 0;
  max-width: 600px;
  margin: 0 auto;
  width: 100%;
}

/* ── Glass card ───────────────────────────────────────────── */
.glass {
  background: var(--surface);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: background var(--transition), border-color var(--transition);
}
.glass:hover { background: var(--surface-hover); }

/* ── Buttons ──────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 0 22px; height: 48px;
  border: none; border-radius: var(--radius); cursor: pointer;
  font-family: inherit; font-size: 15px; font-weight: 600;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
  text-decoration: none; white-space: nowrap;
}
.btn:active { transform: scale(0.96); }

.btn-primary {
  background: var(--accent);
  color: #000;
  box-shadow: 0 0 24px rgba(155,109,255,.35);
}
.btn-primary:hover {
  background: #b388ff;
  box-shadow: 0 0 32px rgba(155,109,255,.55);
}

.btn-secondary {
  background: rgba(255,255,255,0.07);
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-secondary:hover { background: rgba(255,255,255,0.12); }

.btn-ghost {
  background: transparent; color: var(--text-dim);
  border: 1px solid var(--border);
}
.btn-ghost:hover { color: var(--text); background: var(--surface-hover); }

.btn-icon {
  width: 42px; height: 42px; padding: 0; border-radius: 50%;
}
.btn-sm { height: 36px; padding: 0 14px; font-size: 13px; }

/* ── Input ────────────────────────────────────────────────── */
.input-group { display: flex; flex-direction: column; gap: 6px; }
.input-label { font-size: 12px; font-weight: 600; color: var(--text-dim); text-transform: uppercase; letter-spacing: .05em; }

.input {
  width: 100%;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-family: inherit; font-size: 15px; font-weight: 500;
  padding: 14px 18px;
  outline: none;
  transition: border-color var(--transition), background var(--transition), box-shadow var(--transition);
}
.input::placeholder { color: var(--text-muted); }
.input:focus {
  border-color: var(--accent);
  background: rgba(155,109,255,.08);
  box-shadow: 0 0 0 3px rgba(155,109,255,.18);
}

/* ── Typography ───────────────────────────────────────────── */
.text-accent  { color: var(--accent); }
.text-dim     { color: var(--text-dim); }
.text-muted   { color: var(--text-muted); }
.text-sm      { font-size: 13px; }
.text-xs      { font-size: 11px; }
.fw-bold      { font-weight: 700; }
.fw-semibold  { font-weight: 600; }

/* ── Badges & pills ───────────────────────────────────────── */
.badge {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 3px 10px; border-radius: 99px;
  font-size: 12px; font-weight: 600;
}
.badge-accent { background: rgba(155,109,255,.18); color: var(--accent); }
.badge-green  { background: rgba(52,211,153,.15);  color: #34D399; }

/* ── Chip ─────────────────────────────────────────────────── */
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 14px; border-radius: 99px;
  background: var(--surface); border: 1px solid var(--border);
  font-size: 13px; cursor: pointer;
  transition: background var(--transition), border-color var(--transition);
}
.chip:hover, .chip.active {
  background: rgba(155,109,255,.14);
  border-color: var(--accent);
  color: var(--accent);
}

/* ── Scrollbar ────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,.15); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,.25); }

/* ── Divider ──────────────────────────────────────────────── */
.divider { height: 1px; background: var(--border); margin: 16px 0; }

/* ── Toast notification ───────────────────────────────────── */
#toast-container {
  position: fixed; bottom: 28px; left: 50%; transform: translateX(-50%);
  z-index: 9999; display: flex; flex-direction: column; gap: 8px; align-items: center;
  pointer-events: none;
}
.toast {
  background: rgba(30,20,60,0.92);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 20px;
  font-size: 14px; font-weight: 500;
  color: var(--text);
  box-shadow: 0 8px 32px rgba(0,0,0,.4);
  animation: toast-in .25s ease, toast-out .3s ease 2.5s forwards;
  pointer-events: none;
}
@keyframes toast-in  { from { opacity:0; transform:translateY(12px); } to { opacity:1; transform:translateY(0); } }
@keyframes toast-out { from { opacity:1; } to { opacity:0; transform:translateY(10px); } }

/* ── Modal ────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed; inset: 0; z-index: 500;
  background: rgba(0,0,0,.65);
  backdrop-filter: blur(6px);
  display: flex; align-items: center; justify-content: center;
  padding: 16px;
  animation: fade-in .2s ease;
}
.modal-overlay.hidden { display: none; }
.modal {
  background: #0E0E1A;
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 28px;
  width: 100%; max-width: 480px;
  box-shadow: 0 24px 80px rgba(0,0,0,.6);
  animation: slide-up .25s ease;
}
.modal-title { font-size: 18px; font-weight: 700; margin-bottom: 18px; }
.modal-actions { display: flex; gap: 10px; justify-content: flex-end; margin-top: 20px; }

@keyframes fade-in  { from { opacity:0; } to { opacity:1; } }
@keyframes slide-up { from { opacity:0; transform:translateY(20px); } to { opacity:1; transform:translateY(0); } }

/* ── Home screen ──────────────────────────────────────────── */
.home-container {
  max-width: 480px; margin: 0 auto;
  padding: 40px 24px 60px;
  display: flex; flex-direction: column; align-items: center; gap: 0;
}
.home-logo {
  width: 90px; height: 90px;
  border-radius: 24px;
  margin-bottom: 20px;
  filter: drop-shadow(0 0 28px rgba(155,109,255,.6));
  animation: logo-float 3s ease-in-out infinite;
}
@keyframes logo-float {
  0%,100% { transform: translateY(0); }
  50%      { transform: translateY(-8px); }
}
.home-title {
  font-size: 32px; font-weight: 800; letter-spacing: -.02em;
  background: linear-gradient(135deg, #fff 40%, var(--accent));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  margin-bottom: 6px;
}
.home-subtitle { font-size: 14px; color: var(--text-muted); margin-bottom: 36px; }

.home-input-row { width: 100%; margin-bottom: 14px; }
.home-join-btns { display: flex; gap: 10px; width: 100%; margin-bottom: 24px; }
.home-join-btns .btn { flex: 1; }

.home-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; width: 100%; margin-bottom: 12px; }
.home-card {
  background: linear-gradient(135deg, #1A1A2E, #16213E);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px 18px;
  cursor: pointer;
  text-decoration: none; color: inherit;
  display: flex; flex-direction: column; gap: 10px;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.home-card:hover {
  transform: translateY(-3px);
  border-color: rgba(155,109,255,.4);
  box-shadow: 0 12px 40px rgba(0,0,0,.4);
}
.home-card svg { width: 28px; height: 28px; }
.home-card-title { font-size: 14px; font-weight: 700; }

.home-card-wide {
  grid-column: 1 / -1;
  flex-direction: row; align-items: center; gap: 16px;
  background: linear-gradient(135deg, #1E2A38, #102840);
}
.home-card-wide svg { width: 36px; height: 36px; flex-shrink: 0; color: var(--accent); }
.home-card-wide .home-card-info { display: flex; flex-direction: column; gap: 4px; }
.home-card-wide .home-card-title { font-size: 16px; }
.home-card-wide .home-card-desc  { font-size: 12px; color: var(--text-dim); line-height: 1.4; }

.home-footer { font-size: 11px; color: var(--text-muted); margin-top: 36px; letter-spacing: .03em; }

/* ── Room screen ──────────────────────────────────────────── */
.room-layout {
  display: flex;
  height: 100dvh;
  width: 100%;
}

@media (max-width: 900px) {
  .room-layout { 
    flex-direction: column; 
    height: auto; 
    min-height: 100dvh;
  }
}

.player-box {
  flex: 1;
  background: #000;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
}

@media (max-width: 900px) {
  .player-box {
    width: 100%;
    aspect-ratio: 16/9;
    flex: none;
    height: auto;
  }
}

.room-sidebar {
  width: 380px;
  background: rgba(10,10,20,.7);
  backdrop-filter: blur(20px);
  border-left: 1px solid var(--border);
  display: flex;
  flex-direction: column;
}

@media (max-width: 900px) {
  .room-sidebar {
    width: 100%;
    height: auto;
    flex: 1;
    border-left: none;
    border-top: 1px solid var(--border);
  }
}

.room-header {
  grid-area: header;
  display: flex; align-items: center; gap: 12px;
  padding: 10px 16px;
  background: rgba(8,8,16,.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  z-index: 10;
}
.room-code-badge {
  display: flex; align-items: center; gap: 8px;
  padding: 6px 14px; border-radius: 99px;
  background: rgba(155,109,255,.12);
  border: 1px solid rgba(155,109,255,.25);
  font-size: 13px; font-weight: 700; letter-spacing: .08em;
  color: var(--accent);
}
.viewer-badge {
  display: flex; align-items: center; gap: 6px;
  font-size: 13px; color: var(--text-dim);
}
.viewer-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: #34D399;
  animation: pulse-dot 2s infinite;
}
@keyframes pulse-dot {
  0%,100% { opacity:1; box-shadow: 0 0 0 0 rgba(52,211,153,.5); }
  50% { opacity:.7; box-shadow: 0 0 0 6px rgba(52,211,153,0); }
}
.room-header-actions { display: flex; gap: 8px; margin-left: auto; }

/* ── Player box ───────────────────────────────────────────── */
.player-box {
  grid-area: player;
  background: #000;
  position: relative;
  overflow: hidden;
}
.player-box iframe {
  width: 100%; height: 100%;
  border: none; display: block;
}
.player-empty {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 12px;
  color: var(--text-dim);
}
.player-empty svg { width: 64px; height: 64px; opacity: .4; }

/* ── Sidebar ──────────────────────────────────────────────── */
.room-sidebar {
  grid-area: sidebar;
  display: flex; flex-direction: column;
  background: rgba(10,10,20,.7);
  border-left: 1px solid var(--border);
  overflow: hidden;
}
.sidebar-tabs {
  display: flex;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.sidebar-tab {
  flex: 1; padding: 13px;
  background: transparent; border: none; cursor: pointer;
  color: var(--text-dim); font-family: inherit; font-size: 13px; font-weight: 600;
  transition: color var(--transition), background var(--transition);
  display: flex; align-items: center; justify-content: center; gap: 6px;
}
.sidebar-tab.active {
  color: var(--accent);
  background: rgba(155,109,255,.08);
  border-bottom: 2px solid var(--accent);
}
.sidebar-tab:hover:not(.active) { color: var(--text); background: var(--surface); }

.sidebar-content { flex: 1; overflow-y: auto; padding: 12px; display: flex; flex-direction: column; gap: 8px; }
.sidebar-pane { display: none; flex-direction: column; gap: 8px; height: 100%; }
.sidebar-pane.active { display: flex; }

/* ── Queue item ───────────────────────────────────────────── */
.queue-add-row { display: flex; gap: 8px; flex-shrink: 0; }
.queue-item {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px;
  background: rgba(255,255,255,.04);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition);
}
.queue-item:hover { background: rgba(155,109,255,.1); border-color: rgba(155,109,255,.3); }
.queue-item.playing { background: rgba(155,109,255,.14); border-color: rgba(155,109,255,.5); }
.queue-thumb {
  width: 52px; height: 39px; border-radius: 5px;
  object-fit: cover; flex-shrink: 0;
  background: #1a1a2e;
}
.queue-item-title { flex: 1; font-size: 13px; font-weight: 500; line-height: 1.3; overflow: hidden; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.queue-item-remove { background: none; border: none; color: var(--text-muted); cursor: pointer; padding: 4px; border-radius: 4px; transition: color var(--transition); flex-shrink: 0; }
.queue-item-remove:hover { color: #ff6b6b; }

/* ── Chat ─────────────────────────────────────────────────── */
.chat-messages {
  flex: 1; overflow-y: auto; display: flex; flex-direction: column; gap: 10px;
  padding-bottom: 6px;
}
.chat-msg { display: flex; flex-direction: column; gap: 3px; }
.chat-msg-header { display: flex; align-items: baseline; gap: 8px; }
.chat-msg-name  { font-size: 12px; font-weight: 700; color: var(--accent); }
.chat-msg-time  { font-size: 10px; color: var(--text-muted); }
.chat-msg-self .chat-msg-name { color: #34D399; }
.chat-msg-bubble {
  background: rgba(255,255,255,.06);
  border-radius: 0 10px 10px 10px;
  padding: 8px 12px;
  font-size: 13px; line-height: 1.45;
  max-width: 90%;
}
.chat-msg-self .chat-msg-bubble {
  background: rgba(155,109,255,.15);
  border-radius: 10px 10px 0 10px;
  align-self: flex-end;
}
.chat-msg-self { align-items: flex-end; }
.chat-reply-preview {
  border-left: 3px solid var(--accent);
  padding: 4px 8px;
  font-size: 11px; color: var(--text-dim);
  background: rgba(155,109,255,.06);
  border-radius: 0 6px 6px 0;
  margin-bottom: 4px;
}
.chat-input-row { display: flex; gap: 8px; flex-shrink: 0; padding-top: 8px; border-top: 1px solid var(--border); }
.chat-reply-bar {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 12px; margin-bottom: 4px;
  background: rgba(155,109,255,.08);
  border-radius: var(--radius-sm);
  font-size: 12px; color: var(--text-dim);
}
.chat-reply-bar.hidden { display: none; }
.chat-reply-bar button { background: none; border: none; color: var(--text-muted); cursor: pointer; margin-left: auto; padding: 2px; }

/* ── Controls bar ─────────────────────────────────────────── */
.player-controls {
  position: absolute; bottom: 0; left: 0; right: 0;
  background: linear-gradient(to top, rgba(0,0,0,.9) 0%, transparent 100%);
  padding: 24px 16px 14px;
  display: flex; flex-direction: column; gap: 10px;
  opacity: 0; transition: opacity .3s;
}
.player-box:hover .player-controls { opacity: 1; }
.controls-row { display: flex; align-items: center; gap: 10px; }
.progress-bar {
  flex: 1; height: 4px; border-radius: 2px;
  background: rgba(255,255,255,.2);
  cursor: pointer; position: relative;
}
.progress-fill {
  height: 100%; border-radius: 2px;
  background: var(--accent);
  transition: width .5s linear;
  pointer-events: none;
}
.time-label { font-size: 12px; color: var(--text-dim); white-space: nowrap; }
.control-btn {
  background: rgba(255,255,255,.12);
  border: none; border-radius: 50%;
  width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; color: #fff;
  transition: background var(--transition), transform var(--transition);
}
.control-btn:hover  { background: rgba(255,255,255,.22); }
.control-btn:active { transform: scale(.9); }
.control-btn.large { width: 52px; height: 52px; background: var(--accent); }
.control-btn.large:hover { background: #b388ff; }

/* ── Playlist panel ─────────────────────────────────────────── */
.playlist-list { display: flex; flex-direction: column; gap: 8px; }
.playlist-item {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition);
}
.playlist-item:hover { background: var(--surface-hover); border-color: rgba(155,109,255,.3); }
.playlist-item-name { flex: 1; font-weight: 600; font-size: 14px; }
.playlist-item-count { font-size: 12px; color: var(--text-dim); }

/* ── Solo screen ─────────────────────────────────────────── */
.solo-layout {
  display: grid;
  grid-template-columns: 1fr 380px;
  grid-template-rows: auto 1fr;
  grid-template-areas:
    "header header"
    "player library";
  height: 100dvh; overflow: hidden;
}
@media (max-width: 900px) {
  .solo-layout {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto 1fr;
    grid-template-areas: "header" "player" "library";
    overflow-y: auto;
  }
  .solo-player-area { height: 220px; }
  .solo-library { max-height: 55dvh; }
}
.solo-player-area {
  grid-area: player;
  background: #000;
  position: relative; overflow: hidden;
}
.solo-player-area iframe { width: 100%; height: 100%; border: none; }
.solo-library {
  grid-area: library;
  display: flex; flex-direction: column;
  background: rgba(10,10,20,.7);
  border-left: 1px solid var(--border);
  overflow: hidden;
}

/* ── Loading spinner ─────────────────────────────────────── */
.spinner {
  width: 20px; height: 20px;
  border: 2px solid rgba(255,255,255,.2);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin .7s linear infinite;
  display: none;
}
.spinner.visible { display: inline-block; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Connection status chip ─────────────────────────────── */
.conn-status {
  display: flex; align-items: center; gap: 6px;
  font-size: 12px; color: var(--text-dim);
}
.conn-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: #888; transition: background .4s;
}
.conn-dot.online  { background: #34D399; }
.conn-dot.offline { background: #f87171; }
.conn-dot.connecting { background: #fbbf24; animation: pulse-dot 1s infinite; }

/* Utility classes */
.flex { display: flex; }
.flex-col { display: flex; flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.gap-4 { gap: 16px; }
.mt-2 { margin-top: 8px; }
.mt-3 { margin-top: 12px; }
.w-full { width: 100%; }
.hidden { display: none !important; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }