/* Voice AI Assistant - Main Styles */

:root {
  /* Dark theme (default) */
  /* Dark theme (default) */
  --bg-primary: #1a1a2e;
  --bg-secondary: #16213e;
  --bg-tertiary: #0f3460;
  --text-primary: #ffffff;
  --text-secondary: #a0a0a0;
  --accent: #e94560;
  --accent-glow: rgba(233, 69, 96, 0.4);
  --success: #00d26a;
  --error: #ff4757;
  --border: rgba(255, 255, 255, 0.1);
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.light-theme {
  --bg-primary: #f5f5f5;
  --bg-secondary: #ffffff;
  --bg-tertiary: #e0e0e0;
  --text-primary: #1a1a2e;
  --text-secondary: #666666;
  --border: rgba(0, 0, 0, 0.1);
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
}

.app {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  position: relative;
}

/* Login Screen */
.login-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.login-card {
  background: var(--bg-secondary);
  border-radius: 16px;
  padding: 2.5rem;
  width: 100%;
  max-width: 400px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  text-align: center;
}

.login-logo {
  margin-bottom: 1.5rem;
}

.logo-img {
  width: 80px;
  height: 80px;
  border-radius: 16px;
}

.login-card h1 {
  font-size: 1.5rem;
  margin-bottom: 2rem;
  background: linear-gradient(135deg, var(--accent), #ff6b6b);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.login-info {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
}

.login-card .form-group {
  margin-bottom: 1rem;
  text-align: left;
}

.login-card label {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.login-card input {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: 1rem;
}

.login-card input:focus {
  outline: none;
  border-color: var(--accent);
}

.login-card .btn {
  margin-top: 1rem;
  padding: 0.875rem;
  font-size: 1rem;
}

.btn {
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s;
  font-weight: 500;
}

.btn.primary {
  background: linear-gradient(135deg, var(--accent), #ff6b6b);
  color: white;
}

.btn.primary:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.btn.full-width {
  width: 100%;
}

.login-error {
  margin-top: 1rem;
  padding: 0.75rem;
  background: rgba(255, 71, 87, 0.1);
  border: 1px solid var(--error);
  border-radius: 8px;
  color: var(--error);
  font-size: 0.9rem;
}

/* Main App Container */
.main-app {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* Header */
.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
}

.header-left {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.header-logo {
  width: 36px;
  height: 36px;
  border-radius: 8px;
}

.header h1 {
  font-size: 1.5rem;
  font-weight: 600;
  background: linear-gradient(135deg, var(--accent), #ff6b6b);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.user-badge {
  background: var(--bg-tertiary);
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-right: 0.5rem;
}

.api-access-info {
  margin-top: 1.5rem;
  padding: 1rem;
  background: var(--bg-tertiary);
  border-radius: 8px;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.api-access-info strong {
  color: var(--accent);
}

.icon-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0.5rem;
  border-radius: 8px;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
}

.icon-btn:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.icon-btn.small {
  padding: 0.25rem;
}

.icon {
  width: 24px;
  height: 24px;
  fill: currentColor;
}

/* Main Content */
.main {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  gap: 2rem;
}

/* Response Area */
.response-area {
  width: 100%;
  max-width: 600px;
  min-height: 200px;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.welcome-message {
  text-align: center;
  padding: 2rem;
}

.welcome-message h2 {
  font-size: 1.75rem;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, var(--accent), #ff6b6b);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.welcome-message p {
  color: var(--text-secondary);
  font-size: 1.1rem;
}

.response-card {
  background: var(--bg-secondary);
  border-radius: 16px;
  padding: 1.5rem;
  border: 1px solid var(--border);
  animation: slideIn 0.3s ease;
}

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

.response-card.user {
  background: var(--bg-tertiary);
  margin-left: 2rem;
}

.response-card.assistant {
  margin-right: 2rem;
}

.response-card.error {
  border-color: var(--error);
}

.response-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.response-text {
  font-size: 1.1rem;
  line-height: 1.6;
}

.response-meta {
  margin-top: 1rem;
  font-size: 0.8rem;
  color: var(--text-secondary);
  display: flex;
  gap: 1rem;
}

/* Visualizer */
.visualizer-container {
  display: none;
}

.visualizer-container.active {
  display: block;
}

#visualizer {
  background: transparent;
}

/* Controls */
.controls {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.mic-btn {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  border: none;
  background: linear-gradient(135deg, var(--accent), #ff6b6b);
  color: white;
  cursor: pointer;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s;
  box-shadow: 0 4px 20px var(--accent-glow);
}

.mic-btn:hover {
  transform: scale(1.05);
  box-shadow: 0 6px 30px var(--accent-glow);
}

.mic-btn:active {
  transform: scale(0.95);
}

.mic-btn.listening {
  animation: pulse 1.5s infinite;
}

@keyframes pulse {
  0%, 100% {
    box-shadow: 0 0 0 0 var(--accent-glow);
  }
  50% {
    box-shadow: 0 0 0 20px transparent;
  }
}

.mic-icon {
  width: 36px;
  height: 36px;
  fill: white;
}

.mic-pulse {
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  border: 2px solid var(--accent);
  animation: pulseRing 1.5s infinite;
  opacity: 0;
}

.mic-btn.listening .mic-pulse {
  opacity: 1;
}

@keyframes pulseRing {
  0% {
    transform: scale(1);
    opacity: 1;
  }
  100% {
    transform: scale(1.5);
    opacity: 0;
  }
}

.text-toggle-btn,
.stop-btn {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  border: 2px solid var(--border);
  background: var(--bg-secondary);
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}

.text-toggle-btn:hover,
.stop-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.stop-btn {
  border-color: var(--error);
  color: var(--error);
}

/* Text Input */
.text-input-container {
  width: 100%;
  max-width: 600px;
  display: flex;
  gap: 0.5rem;
  background: var(--bg-secondary);
  border-radius: 30px;
  padding: 0.5rem;
  border: 1px solid var(--border);
}

#text-input {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-size: 1rem;
  padding: 0.75rem 1rem;
  outline: none;
}

#text-input::placeholder {
  color: var(--text-secondary);
}

.send-btn {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  border: none;
  background: var(--accent);
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}

.send-btn:hover {
  background: #ff6b6b;
}

.send-btn .icon {
  width: 20px;
  height: 20px;
}

/* Sidebar */
.sidebar {
  position: fixed;
  right: 0;
  top: 0;
  bottom: 0;
  width: 300px;
  background: var(--bg-secondary);
  border-left: 1px solid var(--border);
  transform: translateX(100%);
  transition: transform 0.3s;
  z-index: 100;
  display: flex;
  flex-direction: column;
}

.sidebar.open {
  transform: translateX(0);
}

.sidebar-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem;
  border-bottom: 1px solid var(--border);
}

.sidebar-header h3 {
  font-size: 1rem;
  font-weight: 600;
}

.history-list {
  flex: 1;
  overflow-y: auto;
  padding: 1rem;
}

.history-item {
  padding: 0.75rem;
  border-radius: 8px;
  margin-bottom: 0.5rem;
  cursor: pointer;
  transition: background 0.2s;
}

.history-item:hover {
  background: var(--bg-tertiary);
}

.history-query {
  font-size: 0.9rem;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.history-time {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

/* Status Bar */
.status-bar {
  padding: 0.5rem 1rem;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  text-align: center;
}

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

.status-text.listening {
  color: var(--accent);
}

.status-text.processing {
  color: #ffa500;
}

.status-text.speaking {
  color: var(--success);
}

.status-text.error {
  color: var(--error);
}

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

/* Loading */
.loading {
  display: inline-flex;
  gap: 4px;
  padding: 1rem;
}

.loading span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  animation: bounce 1.4s infinite ease-in-out both;
}

.loading span:nth-child(1) {
  animation-delay: -0.32s;
}

.loading span:nth-child(2) {
  animation-delay: -0.16s;
}

@keyframes bounce {
  0%, 80%, 100% {
    transform: scale(0);
  }
  40% {
    transform: scale(1);
  }
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: var(--bg-tertiary);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent);
}

/* Mobile Responsive */
@media (max-width: 768px) {
  .header {
    padding: 1rem;
  }

  .header h1 {
    font-size: 1.25rem;
  }

  .main {
    padding: 1rem;
  }

  .mic-btn {
    width: 70px;
    height: 70px;
  }

  .mic-icon {
    width: 30px;
    height: 30px;
  }

  .response-area {
    min-height: 150px;
  }

  .response-card {
    padding: 1rem;
  }

  .response-card.user,
  .response-card.assistant {
    margin-left: 0;
    margin-right: 0;
  }

  .sidebar {
    width: 100%;
  }
}

/* PWA Install */
@media (display-mode: standalone) {
  .header {
    padding-top: env(safe-area-inset-top, 1rem);
  }

  .status-bar {
    padding-bottom: env(safe-area-inset-bottom, 0.5rem);
  }
}