/**
 * CallAgentAI - Voice Button Widget Styles
 * Modern, attractive design - all UI in one button
 * Version: 2.0.0
 */

/* CSS Custom Properties */
:root {
  --ai-voice-primary: #6c5ce7;
  --ai-voice-primary-dark: #5b4cdb;
  --ai-voice-bg-dark: #1a1a2e;
  --ai-voice-bg-darker: #0f0f1a;
  --ai-voice-text: #ffffff;
  --ai-voice-text-muted: rgba(255, 255, 255, 0.6);
  --ai-voice-success: #00d9a5;
  --ai-voice-warning: #ffc107;
  --ai-voice-danger: #ff4757;
  --ai-voice-glow-user: #00d9a5;
  --ai-voice-glow-ai: #6c5ce7;
}

/* Reset */
.ai-voice-btn-container,
.ai-voice-btn-container * {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* Container Positioning */
.ai-voice-btn-container {
  position: fixed;
  z-index: 999999;
  display: flex;
  justify-content: center;
  align-items: center;
  pointer-events: none;
}

.ai-voice-btn-container.ai-voice-pos-center {
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.ai-voice-btn-container.ai-voice-pos-bottom-center {
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
}

.ai-voice-btn-container.ai-voice-pos-inline {
  position: relative;
  top: auto;
  left: auto;
  transform: none;
  display: inline-flex;
}

/* Wrapper */
.ai-voice-btn-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  pointer-events: auto;
}

/* =============================================
   Main Button - Premium Design
   ============================================= */

.ai-voice-btn {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  border-radius: 100px;
  cursor: pointer;
  overflow: visible;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  outline: none;
  background: transparent;
}

/* Idle State Button */
.ai-voice-btn.ai-voice-btn-idle-state {
  min-width: 320px;
  height: 80px;
  padding: 0 48px;
}

/* Connecting State Button */
.ai-voice-btn.ai-voice-btn-connecting-state {
  min-width: 280px;
  height: 80px;
  padding: 0 40px;
}

/* Active State Button - Wider for avatars */
.ai-voice-btn.ai-voice-btn-active-state {
  min-width: 360px;
  height: 100px;
  padding: 0 32px;
}

/* =============================================
   Idle State - Talk to AI
   ============================================= */

.ai-voice-btn-idle {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--btn-bg-color, var(--ai-voice-bg-dark)) 0%, var(--ai-voice-bg-darker) 100%);
  border-radius: 100px;
  box-shadow:
    0 10px 40px rgba(0, 0, 0, 0.3),
    0 0 0 1px rgba(255, 255, 255, 0.05) inset,
    0 1px 0 rgba(255, 255, 255, 0.1) inset;
  transition: all 0.3s ease;
}

.ai-voice-btn-idle:hover {
  transform: translateY(-2px);
  box-shadow:
    0 15px 50px rgba(0, 0, 0, 0.4),
    0 0 30px rgba(108, 92, 231, 0.3),
    0 0 0 1px rgba(255, 255, 255, 0.1) inset;
}

.ai-voice-btn-idle:active {
  transform: translateY(0);
}

/* Pulse Ring Animation */
.ai-voice-btn-pulse {
  position: absolute;
  inset: -4px;
  border-radius: 100px;
  background: linear-gradient(135deg, var(--btn-accent-color, var(--ai-voice-primary)), #a29bfe, #74b9ff);
  opacity: 0;
  z-index: -1;
  animation: pulse-ring 2s ease-in-out infinite;
}

@keyframes pulse-ring {
  0%, 100% {
    opacity: 0;
    transform: scale(1);
  }
  50% {
    opacity: 0.4;
    transform: scale(1.02);
  }
}

.ai-voice-btn-idle:hover .ai-voice-btn-pulse {
  opacity: 0.6;
}

/* Inner Content */
.ai-voice-btn-inner {
  display: flex;
  align-items: center;
  gap: 16px;
  z-index: 1;
}

.ai-voice-mic-icon {
  width: 32px;
  height: 32px;
  color: var(--btn-accent-color, var(--ai-voice-primary));
  transition: transform 0.3s ease;
}

.ai-voice-btn-idle:hover .ai-voice-mic-icon {
  transform: scale(1.1);
  filter: drop-shadow(0 0 8px var(--btn-accent-color, var(--ai-voice-primary)));
}

.ai-voice-btn-text {
  font-size: 20px;
  font-weight: 700;
  color: var(--btn-text-color, var(--ai-voice-text));
  letter-spacing: 0.5px;
  text-transform: uppercase;
  white-space: nowrap;
}

/* =============================================
   Connecting State
   ============================================= */

.ai-voice-btn-connecting {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--btn-bg-color, var(--ai-voice-bg-dark)) 0%, var(--ai-voice-bg-darker) 100%);
  border-radius: 100px;
  box-shadow:
    0 10px 40px rgba(0, 0, 0, 0.3),
    0 0 20px rgba(108, 92, 231, 0.2);
}

.ai-voice-connecting-spinner {
  width: 28px;
  height: 28px;
  border: 3px solid rgba(255, 255, 255, 0.1);
  border-top-color: var(--btn-accent-color, var(--ai-voice-primary));
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.ai-voice-connecting-text {
  font-size: 18px;
  font-weight: 600;
  color: var(--btn-text-color, var(--ai-voice-text));
  letter-spacing: 0.5px;
}

/* =============================================
   Active Call State - Avatars Inside Button
   ============================================= */

.ai-voice-btn-active {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  width: 100%;
  height: 100%;
  padding: 12px 24px;
  background: linear-gradient(135deg, var(--btn-bg-color, var(--ai-voice-bg-dark)) 0%, var(--ai-voice-bg-darker) 100%);
  border-radius: 100px;
  box-shadow:
    0 10px 40px rgba(0, 0, 0, 0.3),
    0 0 30px rgba(0, 217, 165, 0.15),
    0 0 0 2px rgba(0, 217, 165, 0.3);
  animation: active-pulse 2s ease-in-out infinite;
}

@keyframes active-pulse {
  0%, 100% {
    box-shadow:
      0 10px 40px rgba(0, 0, 0, 0.3),
      0 0 30px rgba(0, 217, 165, 0.15),
      0 0 0 2px rgba(0, 217, 165, 0.3);
  }
  50% {
    box-shadow:
      0 10px 40px rgba(0, 0, 0, 0.3),
      0 0 40px rgba(0, 217, 165, 0.25),
      0 0 0 3px rgba(0, 217, 165, 0.5);
  }
}

/* Avatar Container */
.ai-voice-avatar {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  position: relative;
}

.ai-voice-avatar-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 56px;
  height: 56px;
  border-radius: 50%;
  opacity: 0;
  transition: all 0.3s ease;
  z-index: 0;
}

.ai-voice-avatar-user .ai-voice-avatar-glow {
  background: radial-gradient(circle, var(--ai-voice-glow-user) 0%, transparent 70%);
}

.ai-voice-avatar-ai .ai-voice-avatar-glow {
  background: radial-gradient(circle, var(--ai-voice-glow-ai) 0%, transparent 70%);
}

/* Speaking Glow Effect */
.ai-voice-avatar.speaking .ai-voice-avatar-glow {
  opacity: 1;
  animation: glow-pulse 0.8s ease-in-out infinite;
}

@keyframes glow-pulse {
  0%, 100% {
    transform: translate(-50%, -50%) scale(1);
    opacity: 0.6;
  }
  50% {
    transform: translate(-50%, -50%) scale(1.3);
    opacity: 1;
  }
}

.ai-voice-avatar-circle {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 1;
  transition: all 0.3s ease;
}

.ai-voice-avatar-user .ai-voice-avatar-circle {
  background: linear-gradient(135deg, #2d3748 0%, #1a202c 100%);
  border: 2px solid rgba(0, 217, 165, 0.3);
}

.ai-voice-avatar-ai .ai-voice-avatar-circle {
  background: linear-gradient(135deg, #2d2d44 0%, #1a1a2e 100%);
  border: 2px solid rgba(108, 92, 231, 0.3);
}

.ai-voice-avatar.speaking .ai-voice-avatar-circle {
  transform: scale(1.05);
}

.ai-voice-avatar-user.speaking .ai-voice-avatar-circle {
  border-color: var(--ai-voice-glow-user);
  box-shadow: 0 0 20px rgba(0, 217, 165, 0.5);
}

.ai-voice-avatar-ai.speaking .ai-voice-avatar-circle {
  border-color: var(--ai-voice-glow-ai);
  box-shadow: 0 0 20px rgba(108, 92, 231, 0.5);
}

.ai-voice-avatar-circle svg {
  width: 24px;
  height: 24px;
  color: rgba(255, 255, 255, 0.8);
  transition: color 0.3s ease;
}

.ai-voice-avatar-user.speaking .ai-voice-avatar-circle svg {
  color: var(--ai-voice-glow-user);
}

.ai-voice-avatar-ai.speaking .ai-voice-avatar-circle svg {
  color: var(--ai-voice-glow-ai);
}

.ai-voice-avatar-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--ai-voice-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: color 0.3s ease;
}

.ai-voice-avatar.speaking .ai-voice-avatar-label {
  color: var(--ai-voice-text);
}

/* Timer in Center */
.ai-voice-timer-center {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.ai-voice-status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transition: all 0.3s ease;
}

.ai-voice-status-dot.active {
  background: var(--ai-voice-success);
  box-shadow: 0 0 10px var(--ai-voice-success);
  animation: dot-pulse 1.5s ease-in-out infinite;
}

@keyframes dot-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.ai-voice-timer {
  font-size: 28px;
  font-weight: 700;
  color: var(--ai-voice-text);
  font-variant-numeric: tabular-nums;
  letter-spacing: 1px;
  transition: color 0.3s ease;
}

.ai-voice-timer.warning {
  color: var(--ai-voice-warning);
  animation: timer-warning 1s ease-in-out infinite;
}

@keyframes timer-warning {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

/* =============================================
   End Call Button
   ============================================= */

.ai-voice-end-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 36px;
  background: linear-gradient(135deg, var(--ai-voice-danger) 0%, #c0392b 100%);
  border: none;
  border-radius: 50px;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 20px rgba(255, 71, 87, 0.3);
}

.ai-voice-end-btn:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 8px 30px rgba(255, 71, 87, 0.5);
}

.ai-voice-end-btn:active {
  transform: translateY(0) scale(0.98);
}

.ai-voice-end-btn svg {
  width: 20px;
  height: 20px;
  color: #ffffff;
}

.ai-voice-end-btn span {
  font-size: 14px;
  font-weight: 700;
  color: #ffffff;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* =============================================
   Warning Banner
   ============================================= */

.ai-voice-warning {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background: rgba(255, 193, 7, 0.1);
  border: 1px solid rgba(255, 193, 7, 0.4);
  border-radius: 50px;
  animation: fadeSlideIn 0.3s ease;
}

.ai-voice-warning.critical {
  background: rgba(255, 71, 87, 0.1);
  border-color: rgba(255, 71, 87, 0.4);
}

.ai-voice-warning svg {
  width: 18px;
  height: 18px;
  color: var(--ai-voice-warning);
  flex-shrink: 0;
}

.ai-voice-warning.critical svg {
  color: var(--ai-voice-danger);
}

.ai-voice-warning span {
  font-size: 13px;
  color: var(--ai-voice-warning);
  font-weight: 600;
}

.ai-voice-warning.critical span {
  color: var(--ai-voice-danger);
}

@keyframes fadeSlideIn {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* =============================================
   Message Overlay
   ============================================= */

.ai-voice-message {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 20px 32px;
  background: linear-gradient(135deg, var(--ai-voice-bg-dark) 0%, var(--ai-voice-bg-darker) 100%);
  border-radius: 20px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
  animation: fadeSlideIn 0.3s ease;
}

.ai-voice-message span {
  font-size: 14px;
  color: var(--ai-voice-text-muted);
  text-align: center;
  max-width: 280px;
}

.ai-voice-restart-btn {
  padding: 12px 28px;
  background: linear-gradient(135deg, var(--ai-voice-primary) 0%, var(--ai-voice-primary-dark) 100%);
  border: none;
  border-radius: 50px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 700;
  color: #ffffff;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: all 0.3s ease;
  box-shadow: 0 4px 20px rgba(108, 92, 231, 0.3);
}

.ai-voice-restart-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(108, 92, 231, 0.5);
}

/* =============================================
   Powered By Footer
   ============================================= */

.ai-voice-powered {
  font-size: 11px;
  color: rgba(255, 255, 255, 0.3);
  text-align: center;
}

.ai-voice-powered a {
  color: rgba(255, 255, 255, 0.5);
  text-decoration: none;
  transition: color 0.3s ease;
}

.ai-voice-powered a:hover {
  color: var(--ai-voice-primary);
}

/* =============================================
   Responsive Design
   ============================================= */

@media (max-width: 480px) {
  .ai-voice-btn.ai-voice-btn-idle-state {
    min-width: 280px;
    height: 70px;
    padding: 0 36px;
  }

  .ai-voice-btn.ai-voice-btn-active-state {
    min-width: 320px;
    height: 90px;
    padding: 0 24px;
  }

  .ai-voice-btn-text {
    font-size: 16px;
  }

  .ai-voice-avatar-circle {
    width: 40px;
    height: 40px;
  }

  .ai-voice-avatar-circle svg {
    width: 20px;
    height: 20px;
  }

  .ai-voice-timer {
    font-size: 22px;
  }

  .ai-voice-avatar-label {
    font-size: 10px;
  }
}

/* =============================================
   Accessibility
   ============================================= */

.ai-voice-btn:focus-visible,
.ai-voice-end-btn:focus-visible,
.ai-voice-restart-btn:focus-visible {
  outline: 3px solid var(--ai-voice-primary);
  outline-offset: 4px;
}

/* Reduce motion for users who prefer it */
@media (prefers-reduced-motion: reduce) {
  .ai-voice-btn,
  .ai-voice-btn-idle,
  .ai-voice-btn-pulse,
  .ai-voice-connecting-spinner,
  .ai-voice-avatar-glow,
  .ai-voice-avatar-circle,
  .ai-voice-status-dot,
  .ai-voice-timer,
  .ai-voice-end-btn,
  .ai-voice-warning,
  .ai-voice-message {
    animation: none !important;
    transition: none !important;
  }
}