/* Reset & Variables */
* { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg-primary: #0f0f1a;
  --bg-secondary: #1a1a2e;
  --bg-card: #252542;
  --bg-input: #1e1e35;
  --text-primary: #f0f0f0;
  --text-secondary: #8888aa;
  --accent: #6c5ce7;
  --accent-hover: #7d6ff0;
  --success: #00d26a;
  --warning: #ffc107;
  --error: #ff4757;
  --border: #3a3a5c;
}

[data-theme="light"] {
  --bg-primary: #f5f5f8;
  --bg-secondary: #ffffff;
  --bg-card: #e8e8f0;
  --bg-input: #ffffff;
  --text-primary: #1a1a2e;
  --text-secondary: #666680;
  --border: #d0d0e0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  font-size: 16px;
}

.hidden { display: none !important; }

/* Main Logo */
.main-logo {
  text-align: center;
  padding: 30px 0;
}
.main-logo img {
  max-width: 400px;
  width: 100%;
  height: auto;
}

/* Connection Status */
#connection-status {
  position: fixed; top: 12px; right: 12px;
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--success); z-index: 9999;
  box-shadow: 0 0 8px var(--success);
}
#connection-status.offline { background: var(--error); box-shadow: 0 0 8px var(--error); }

/* Toast */
#toast-container {
  position: fixed; top: 20px; left: 50%; transform: translateX(-50%);
  z-index: 10000; display: flex; flex-direction: column; gap: 8px;
}
.toast {
  padding: 12px 20px; border-radius: 8px; font-size: 14px;
  background: var(--bg-card); color: var(--text-primary);
  box-shadow: 0 4px 20px rgba(0,0,0,0.3); animation: slideIn 0.3s ease;
}
.toast.success { border-left: 4px solid var(--success); }
.toast.error { border-left: 4px solid var(--error); }
.toast.warning { border-left: 4px solid var(--warning); }
@keyframes slideIn { from { opacity: 0; transform: translateY(-10px); } }

/* Buttons */
button { cursor: pointer; border: none; font-family: inherit; }
.btn-primary {
  background: var(--accent); color: #fff; padding: 18px 36px;
  border-radius: 10px; font-size: 18px; font-weight: 500;
  transition: background 0.2s;
}
.btn-primary:hover { background: var(--accent-hover); }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-secondary {
  background: var(--bg-card); color: var(--text-primary);
  padding: 18px 36px; border-radius: 10px; font-size: 18px;
}
.btn-icon {
  background: var(--bg-card); color: var(--text-primary);
  width: 54px; height: 54px; border-radius: 10px; font-size: 24px;
}
.btn-icon:hover { background: var(--border); }

/* Auth Panel */
.auth-panel {
  max-width: 500px; margin: 60px auto; padding: 50px;
  background: var(--bg-secondary); border-radius: 20px;
  text-align: center;
}
.auth-logo { max-width: 280px; margin-bottom: 12px; }
.auth-subtitle { color: var(--text-secondary); margin-bottom: 40px; font-size: 18px; }
.auth-tabs { display: flex; gap: 0; margin-bottom: 30px; }
.auth-tabs .tab {
  flex: 1; padding: 16px; background: var(--bg-card);
  color: var(--text-secondary); font-size: 18px;
}
.auth-tabs .tab:first-child { border-radius: 10px 0 0 10px; }
.auth-tabs .tab:last-child { border-radius: 0 10px 10px 0; }
.auth-tabs .tab.active { background: var(--accent); color: #fff; }
.auth-form { display: flex; flex-direction: column; gap: 16px; }
.auth-form input {
  padding: 18px; border: 1px solid var(--border); border-radius: 10px;
  background: var(--bg-input); color: var(--text-primary); font-size: 18px;
}
.auth-form input:focus { outline: none; border-color: var(--accent); }
#auth-msg { margin-top: 20px; font-size: 16px; }
#auth-msg.error { color: var(--error); }
#auth-msg.success { color: var(--success); }

/* Lobby */
#lobby { padding: 0 30px 30px; max-width: 1600px; margin: 0 auto; }
.lobby-header {
  display: flex; align-items: center; gap: 24px;
  padding: 20px 30px; background: var(--bg-secondary);
  border-radius: 14px; margin-bottom: 30px;
}
.header-logo { height: 50px; }
.header-user { display: flex; align-items: center; gap: 20px; }
.avatar {
  width: 58px; height: 58px; border-radius: 50%;
  background: var(--bg-card); background-size: cover;
}
#my-username { font-weight: 500; font-size: 22px; }
.header-actions { display: flex; gap: 12px; align-items: center; margin-left: auto; }
.header-actions button, .header-actions label {
  width: 58px; height: 58px; border-radius: 12px;
  background: var(--bg-card); display: flex; align-items: center;
  justify-content: center; cursor: pointer; font-size: 24px;
}
.header-actions button:hover, .header-actions label:hover { background: var(--border); }
.avatar-upload input { display: none; }
.btn-logout {
  width: auto !important; padding: 0 24px; font-size: 19px;
  color: var(--text-secondary);
}

/* Lobby Cards */
.lobby-main { display: flex; flex-direction: column; gap: 30px; }
.lobby-card {
  background: var(--bg-secondary); border-radius: 14px; padding: 30px;
}
.lobby-card h3 { margin-bottom: 24px; font-size: 22px; }
.card-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 24px; }
.card-header h3 { margin: 0; }

/* Audio Settings */
.audio-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 40px; }
@media (max-width: 900px) { .audio-grid { grid-template-columns: 1fr; } }
.audio-col { display: flex; flex-direction: column; gap: 20px; }
.form-field { display: flex; flex-direction: column; gap: 10px; }
.form-field label { font-size: 16px; color: var(--text-secondary); }
.form-field select, .form-field input {
  padding: 16px; border: 1px solid var(--border); border-radius: 10px;
  background: var(--bg-input); color: var(--text-primary); font-size: 16px;
}
.form-field select:focus, .form-field input:focus { outline: none; border-color: var(--accent); }
.checkbox-group {
  display: flex; flex-direction: column; gap: 12px;
  padding: 16px; background: var(--bg-card); border: 1px solid var(--border); border-radius: 10px;
}
.checkbox-group label {
  display: flex; align-items: center; gap: 12px;
  font-size: 16px; cursor: pointer;
}
.checkbox-group input { width: 22px; height: 22px; accent-color: var(--accent); }
.btn-test {
  padding: 18px 28px; background: var(--accent); color: #fff;
  border-radius: 10px; font-size: 18px; font-weight: 500;
}
.btn-test:hover { background: var(--accent-hover); }
.mic-meter {
  height: 12px; background: var(--bg-input); border-radius: 6px; overflow: hidden;
  border: 1px solid var(--border);
}
#mic-level { height: 100%; width: 0; background: var(--success); transition: width 0.1s; }
.test-status { font-size: 15px; color: var(--text-secondary); }

/* Mode Toggle */
.mode-toggle { display: flex; gap: 0; }
.mode-btn {
  flex: 1; padding: 12px 16px; background: var(--bg-card);
  color: var(--text-secondary); font-size: 15px; border: none; cursor: pointer;
}
.mode-btn:first-child { border-radius: 8px 0 0 8px; }
.mode-btn:last-child { border-radius: 0 8px 8px 0; }
.mode-btn.active { background: var(--accent); color: #fff; }

/* Range Slider */
input[type="range"] {
  width: 100%; height: 8px; border-radius: 4px;
  background: var(--bg-input); appearance: none; cursor: pointer;
}
input[type="range"]::-webkit-slider-thumb {
  appearance: none; width: 20px; height: 20px; border-radius: 50%;
  background: var(--accent); cursor: pointer;
}
.hint { font-size: 13px; color: var(--text-secondary); margin-top: 6px; }

/* Room List */
.btn-create {
  padding: 14px 28px; background: var(--accent); color: #fff;
  border-radius: 10px; font-size: 17px; font-weight: 500;
}
.room-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 20px; min-height: 100px;
}
.room-item {
  padding: 20px 26px; background: var(--bg-card); border-radius: 12px;
  display: flex; justify-content: space-between; align-items: center;
  gap: 12px; transition: transform 0.2s, background 0.2s;
}
.room-item:hover { background: var(--border); transform: translateY(-2px); }
.room-info { display: flex; justify-content: space-between; align-items: center; flex: 1; cursor: pointer; }
.room-close-btn { background: transparent; border: none; color: var(--text-secondary); font-size: 18px; cursor: pointer; padding: 4px 8px; border-radius: 4px; }
.room-close-btn:hover { background: var(--danger); color: white; }
.room-name { font-weight: 500; font-size: 17px; }
.room-users { color: var(--text-secondary); font-size: 16px; }
.no-rooms { color: var(--text-secondary); text-align: center; padding: 40px; font-size: 16px; }

/* Modal */
.modal {
  position: fixed; inset: 0; z-index: 5000;
  display: flex; align-items: center; justify-content: center;
}
.modal-backdrop { position: absolute; inset: 0; background: rgba(0,0,0,0.6); }
.modal-box {
  position: relative; background: var(--bg-secondary);
  border-radius: 20px; width: 90%; max-width: 560px;
  max-height: 90vh; overflow-y: auto;
}
.modal-wide { max-width: 800px; }
.modal-header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 24px 30px; border-bottom: 1px solid var(--border);
}
.modal-header h2 { font-size: 22px; }
.modal-close {
  width: 42px; height: 42px; border-radius: 10px;
  background: var(--bg-card); font-size: 22px; color: var(--text-secondary);
}
.modal-body { padding: 30px; display: flex; flex-direction: column; gap: 20px; }
.form-section { }
.form-section h4 { font-size: 15px; color: var(--text-secondary); margin-bottom: 16px; padding-bottom: 8px; border-bottom: 1px solid var(--border); }
.modal-footer {
  padding: 20px 30px; border-top: 1px solid var(--border);
  display: flex; justify-content: flex-end; gap: 16px;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.checkbox-inline {
  display: flex; align-items: center; gap: 12px;
  font-size: 16px; cursor: pointer;
}
.checkbox-inline input { width: 22px; height: 22px; accent-color: var(--accent); }
.shortcuts-info { margin-top: 24px; }
.shortcuts-info h4 { margin-bottom: 16px; font-size: 16px; color: var(--text-secondary); }
.shortcuts-info p { font-size: 16px; margin: 10px 0; }
.shortcuts-info kbd {
  background: var(--bg-card); padding: 6px 12px; border-radius: 6px;
  font-family: monospace; margin-right: 10px; font-size: 15px;
}
.admin-list { background: var(--bg-card); border-radius: 10px; padding: 16px; min-height: 80px; }

/* Room View */
#room-view { display: flex; flex-direction: column; height: 100vh; }
.room-header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 16px 28px; background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
}
.room-title h2 { font-size: 22px; display: flex; align-items: center; gap: 10px; }
.room-settings-display {
  display: flex; gap: 8px; margin-top: 4px; font-size: 12px; color: var(--text-secondary);
}
.room-setting-item {
  background: var(--bg-card); padding: 2px 8px; border-radius: 4px;
  border: 1px solid var(--border);
}
.room-setting-select {
  background: var(--bg-input); color: var(--text-primary); border: none;
  font-size: 12px; padding: 2px 4px; border-radius: 4px; cursor: pointer;
}
.room-controls { display: flex; gap: 10px; align-items: center; }
.room-controls select {
  padding: 10px 14px; border: 2px solid var(--border); border-radius: 8px;
  background: var(--bg-input); color: var(--text-primary); font-size: 14px;
  max-width: 200px;
}
.room-controls select:focus { border-color: var(--accent); outline: none; }
.btn-leave {
  padding: 12px 22px; background: var(--error); color: #fff;
  border-radius: 8px; font-size: 16px;
}

.room-toolbar {
  display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center;
  padding: 14px 28px; background: var(--bg-card);
  border-bottom: 1px solid var(--border); gap: 20px;
}
.toolbar-section {
  display: flex; align-items: center; gap: 12px;
  padding: 8px 16px; background: var(--bg-secondary);
  border: 1px solid var(--border); border-radius: 10px;
}
.toolbar-check {
  display: flex; align-items: center; gap: 6px;
  font-size: 14px; cursor: pointer; white-space: nowrap;
}
.toolbar-check input { width: 18px; height: 18px; accent-color: var(--accent); }
.toolbar-label { font-size: 14px; color: var(--text-secondary); white-space: nowrap; }
.toolbar-slider { width: 100px; }
.toolbar-value { font-size: 14px; min-width: 50px; }
.btn-metro {
  width: 42px; height: 42px; border-radius: 50%;
  background: var(--bg-input); font-size: 18px;
  border: 1px solid var(--border);
}
.btn-metro:hover { background: var(--border); }
.btn-metro.playing { background: var(--accent); border-color: var(--accent); }
.bpm-input {
  width: 70px; padding: 8px; text-align: center;
  border: 1px solid var(--border); border-radius: 8px;
  background: var(--bg-input); color: var(--text-primary); font-size: 15px;
}
.count-in-label { font-size: 13px; display: flex; align-items: center; gap: 4px; }
.beat-indicators { display: flex; gap: 6px; }
.beat-indicator { width: 24px; height: 24px; border-radius: 50%; background: var(--bg-input); border: 2px solid var(--border); display: flex; align-items: center; justify-content: center; font-size: 12px; font-weight: bold; color: var(--text-secondary); }
.beat-indicator.active { background: var(--accent); border-color: var(--accent); color: white; }
.beat-indicator:first-child.active { background: var(--success); border-color: var(--success); }
.metro-tick {
  width: 16px; height: 16px; border-radius: 50%;
  background: var(--bg-input); border: 1px solid var(--border);
  transition: background 0.1s;
}
.metro-tick.active { background: var(--accent); border-color: var(--accent); }
.input-meter {
  width: 120px; height: 10px; background: var(--bg-input);
  border-radius: 5px; overflow: hidden; border: 1px solid var(--border);
}
#audio-meter { height: 100%; width: 0; background: var(--success); transition: width 0.1s; }

.room-main { flex: 1; display: flex; overflow: hidden; }
.users-section { flex: 1; padding: 28px; overflow-y: auto; }
.users-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 20px; }
.user-card {
  background: var(--bg-card); border-radius: 14px; padding: 22px;
  text-align: center; transition: transform 0.2s;
}
.user-card:hover { transform: translateY(-2px); }
.user-card.speaking { box-shadow: 0 0 0 4px var(--success); }
.user-card.self { border: 3px solid var(--accent); }
.card-avatar {
  width: 80px; height: 80px; border-radius: 50%;
  background: var(--bg-input); margin: 0 auto 16px;
  background-size: cover;
}
.card-info { display: flex; flex-direction: column; gap: 6px; }
.card-name { font-weight: 500; font-size: 17px; }
.card-latency { font-size: 14px; color: var(--text-secondary); }
.card-mixer { display: flex; align-items: center; justify-content: center; gap: 8px; margin: 12px 0; }
.mixer-btn { width: 28px; height: 28px; border-radius: 4px; border: 1px solid var(--border); background: var(--bg-input); color: var(--text-secondary); font-size: 12px; font-weight: bold; cursor: pointer; }
.mixer-btn:hover { background: var(--border); }
.mixer-btn.active { background: var(--accent); color: white; border-color: var(--accent); }
.pan-slider { width: 80px; height: 4px; cursor: pointer; }
.card-controls { display: flex; align-items: center; justify-content: center; gap: 8px; margin-top: 8px; }
.volume-slider { width: 80px; }
.volume-label { font-size: 12px; color: var(--text-secondary); min-width: 35px; }
.kick-btn { padding: 4px 8px; font-size: 11px; background: var(--danger); color: white; border: none; border-radius: 4px; cursor: pointer; }

.chat-section {
  width: 400px; display: flex; flex-direction: column;
  border-left: 1px solid var(--border); background: var(--bg-secondary);
}
.chat-messages { flex: 1; padding: 20px; overflow-y: auto; }
.chat-msg {
  margin-bottom: 16px; padding: 14px 18px;
  background: var(--bg-card); border-radius: 12px;
  max-width: 90%;
}
.chat-msg.self { margin-left: auto; background: rgba(108, 92, 231, 0.2); }
.chat-user { font-size: 14px; color: var(--accent); margin-bottom: 6px; }
.chat-text { font-size: 16px; line-height: 1.5; word-break: break-word; }
.chat-input { display: flex; gap: 10px; padding: 16px; border-top: 1px solid var(--border); }
.chat-input input {
  flex: 1; padding: 14px 18px; border: 1px solid var(--border);
  border-radius: 10px; background: var(--bg-input); color: var(--text-primary); font-size: 16px;
}
.btn-send {
  padding: 14px 22px; background: var(--accent); color: #fff;
  border-radius: 10px; font-size: 16px;
}

/* Scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-secondary); }

/* Animation classes */
.hide { opacity: 0; transform: translateY(-10px); transition: all 0.3s; }
.muted { opacity: 0.6; background: var(--error) !important; }
.playing { background: var(--success) !important; }
.ptt-active { background: var(--warning) !important; animation: pulse 0.5s infinite; }
.recording { background: var(--error) !important; animation: pulse 1s infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.7; } }

/* Responsive */
@media (max-width: 768px) {
  .chat-section { display: none; }
  .room-controls select { display: none; }
  .toolbar-left { display: none; }
}

/* Stats badge */
.stats-badge {
  display: inline-block; padding: 6px 12px; border-radius: 6px;
  font-size: 12px; background: var(--bg-card); color: var(--text-secondary);
}
.stats-badge.good { background: rgba(46, 213, 115, 0.2); color: var(--success); }
.stats-badge.warning { background: rgba(255, 165, 2, 0.2); color: var(--warning); }
.stats-badge.bad { background: rgba(255, 71, 87, 0.2); color: var(--error); }
.stats-badge.idle { opacity: 0.5; }