/**
 * AI Interview Widget v1.9.4 - Enhanced Voice & Customization Features
 * 
 * Comprehensive responsive design with voice controls, customizable play button,
 * and WordPress Customizer integration for complete visual control.
 * 
 * @version 1.9.4
 * @author Eric Rorich
 * @since 1.0.0
 */

/* Root Variables - Play Button & Canvas Customization */
:root {
  /* Play Button Variables */
  --aiw-btn-size: 100; /* Default button size (radius in pixels) */
  --play-button-pulse-speed: 1.0; /* Default pulse speed multiplier */
  --play-button-disable-pulse: false; /* Default pulse state */
  
  /* Canvas Shadow Variables - Canonical naming with backward compatibility */
  --aiw-canvas-shadow-color: rgba(0, 207, 255, 0.5); /* Canvas shadow color */
  --aiw-shadow-color: var(--aiw-canvas-shadow-color); /* Backward compatibility alias */
  --aiw-shadow-intensity: 20; /* Default canvas shadow intensity */
}

/* WordPress Theme Independence - Override all potential theme interference */
.ai-interview-container *,
.ai-interview-container *:before,
.ai-interview-container *:after {
    box-sizing: border-box !important;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif !important;
    text-transform: none !important;
    letter-spacing: normal !important;
    word-spacing: normal !important;
    text-decoration: none !important;
    text-shadow: none !important;
    margin: 0 !important;
    padding: 0 !important;
}

/* Override WordPress theme button/input defaults */
.ai-interview-container button,
.ai-interview-container input,
.ai-interview-container textarea {
    appearance: none !important;
    -webkit-appearance: none !important;
    -moz-appearance: none !important;
    background: none !important;
    border: none !important;
    outline: none !important;
    margin: 0 !important;
    padding: 0 !important;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif !important;
}

.ai-interview-container {
    margin: 20px 0 !important;
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    justify-content: center !important;
    min-height: 500px !important;
    background: var(--container-background, linear-gradient(135deg, #0f0c29, #302b63, #24243e)) !important;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif !important;
    color: white !important;
    padding: var(--container-padding, 20px) !important;
    border-radius: var(--container-border-radius, 15px) !important;
    width: 100% !important;
    box-sizing: border-box !important;
    position: relative !important;
    z-index: 10 !important;
    overflow: visible !important;
}

.ai-interview-inner-container {
    text-align: center !important;
    max-width: 800px !important;
    width: 100% !important;
    position: relative !important;
}

/* === CANVAS CONTAINER - STRUCTURAL SEPARATION === */
.canvas-container {
    position: relative !important;
    display: block !important;
    margin: 20px auto !important;
    width: 100% !important;
    max-width: 800px !important;
    height: 500px !important;
    z-index: 15 !important;
}

#soundbar {
    display: block !important;
    background: var(--canvas-background-color, #0a0a1a) !important;
    border-radius: var(--canvas-border-radius, 8px) !important;
    box-shadow: var(--canvas-box-shadow, 0 0 30px 10px var(--aiw-shadow-color), 0 0 50px 20px rgba(0, 102, 255, 0.3));
    width: 100% !important;
    height: 100% !important;
    visibility: visible !important;
    position: absolute !important;
    top: 0 !important;
    left: 0 !important;
    transform: translateZ(0) !important;
}

/* === DEDICATED PLAY BUTTON CONTAINER - STRUCTURALLY SEPARATED === */
.play-button-container {
    position: absolute !important;
    top: 50% !important;
    left: 50% !important;
    transform: translate(-50%, -50%) !important;
    z-index: 20 !important;
    pointer-events: all !important;
    transition: opacity 0.3s ease, visibility 0.3s ease !important;
}

.play-button-container.hidden {
    opacity: 0 !important;
    visibility: hidden !important;
    pointer-events: none !important;
}

/* === DEDICATED PLAY BUTTON STYLING === */
.play-button {
    width: var(--play-button-size, 100px) !important;
    height: var(--play-button-size, 100px) !important;
    border-radius: 50% !important;
    background: var(--play-button-color, #00cfff) !important;
    border: var(--play-button-border-width, 2px) solid var(--play-button-border-color, #00cfff) !important;
    color: var(--play-button-icon-color, #ffffff) !important;
    cursor: pointer !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    font-size: calc(var(--play-button-size, 100px) * 0.4) !important;
    transition: all 0.3s ease !important;
    box-shadow: 0 0 var(--play-button-shadow-intensity, 20px) var(--play-button-border-color, #00cfff) !important;
    position: relative !important;
    overflow: hidden !important;
    backdrop-filter: blur(5px) !important;
    outline: none !important;
}

.play-button:hover,
.play-button.hover-scale:hover {
    transform: scale(1.1) !important;
    box-shadow: 0 0 calc(var(--play-button-shadow-intensity, 20px) * 1.5) var(--play-button-border-color, #00cfff) !important;
}

.play-button.hover-glow:hover {
    transform: none !important;
    box-shadow: 0 0 calc(var(--play-button-shadow-intensity, 20px) * 2) var(--play-button-border-color, #00cfff) !important;
}

.play-button.hover-none:hover {
    transform: none !important;
    box-shadow: 0 0 var(--play-button-shadow-intensity, 20px) var(--play-button-border-color, #00cfff) !important;
}

.play-button:active {
    transform: scale(0.95) !important;
}

.play-button:focus {
    outline: 2px solid var(--play-button-border-color, #00cfff) !important;
    outline-offset: 4px !important;
}

/* Play button icon */
.play-icon {
    display: block !important;
    line-height: 1 !important;
    margin-left: 4px !important; /* Slight offset to center triangle visually */
}

.ai-interview-controls {
    display: flex !important;
    gap: 15px !important;
    justify-content: center !important;
    margin-top: 0px !important;
    transform: translateY(-50px);
    z-index: 20 !important;
    position: relative !important;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.6s cubic-bezier(.4,0,.2,1) !important;
}

.ai-interview-container button {
    background: rgba(0,100,255,0.2) !important;
    color: #00cfff !important;
    border: 1px solid #00cfff !important;
    padding: 10px 20px !important;
    border-radius: 30px !important;
    cursor: pointer !important;
    font-size: 16px !important;
    transition: all 0.3s ease !important;
    backdrop-filter: blur(5px) !important;
    margin: 0 !important;
}

.ai-interview-container button:hover {
    background: rgba(0,100,255,0.4) !important;
    box-shadow: 0 0 15px rgba(0,207,255,0.5) !important;
}

.ai-interview-container button:disabled {
    opacity: 0.6 !important;
    cursor: not-allowed !important;
    background: rgba(0,100,255,0.1) !important;
}

#chatInterface {
    font-size: 16px !important;
    margin-top: -40px !important;
    background: rgba(10, 10, 26, 0.8) !important;
    border-radius: 15px !important;
    padding: 20px !important;
    box-shadow: 0 0 20px rgba(0, 207, 255, 0.2) !important;
    width: 100% !important;
    box-sizing: border-box !important;
    z-index: 20 !important;
    position: relative !important;
}

/* AI Chat Header - Independent of WordPress Theme */
.ai-chat-header {
    font-size: 18px !important;
    font-weight: 600 !important;
    color: #ffffff !important;
    margin: 0 0 20px 0 !important;
    padding: 0 !important;
    text-align: left !important;
    line-height: 1.3 !important;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif !important;
    text-shadow: none !important;
    background: none !important;
    border: none !important;
    box-shadow: none !important;
    text-transform: none !important;
    letter-spacing: normal !important;
    word-spacing: normal !important;
    text-decoration: none !important;
    display: block !important;
    position: relative !important;
    z-index: 1 !important;
}

/* Ensure header is completely independent of theme styles */
.ai-interview-container .ai-chat-header,
#chatInterface .ai-chat-header {
    font-size: 18px !important;
    font-weight: 600 !important;
    color: #ffffff !important;
    margin: 0 0 20px 0 !important;
    padding: 0 !important;
    text-align: left !important;
    line-height: 1.3 !important;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif !important;
}

/* Override any WordPress theme h1-h6 styles that might affect this */
.ai-interview-container .ai-chat-header:before,
.ai-interview-container .ai-chat-header:after {
    content: none !important;
    display: none !important;
}

#aiEricGreeting {
    visibility: hidden !important;
    display: block !important;
    margin-top: 16px !important;
}

#chatHistory {
    background: rgba(0, 0, 0, 0.2) !important;
    border-radius: 10px !important;
    padding: 15px !important;
    text-align: left !important;
    overflow-y: auto !important;
    min-height: 50px !important;
    height: 150px !important;
    margin-bottom: 20px !important;
}

.message {
    margin-bottom: 15px !important;
    padding: 10px !important;
    border-radius: 8px !important;
    word-wrap: break-word !important;
    position: relative !important;
    line-height: 1.5 !important;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif !important;
}

.user-message {
    background: rgba(0, 100, 255, 0.2) !important;
    border-left: 3px solid #00cfff !important;
}

.ai-message {
    background: rgba(123, 0, 255, 0.2) !important;
    border-left: 3px solid #7b00ff !important;
}

.ai-message .tts-button {
    position: absolute !important;
    top: 8px !important;
    right: 8px !important;
    background: rgba(123, 0, 255, 0.3) !important;
    border: 1px solid #7b00ff !important;
    color: #d0b3ff !important;
    padding: 4px 8px !important;
    border-radius: 15px !important;
    font-size: 12px !important;
    cursor: pointer !important;
    transition: all 0.3s ease !important;
    min-width: 24px !important;
    height: 24px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
}

.ai-message .tts-button:hover {
    background: rgba(123, 0, 255, 0.5) !important;
    box-shadow: 0 0 10px rgba(123, 0, 255, 0.3) !important;
    transform: scale(1.1) !important;
}

.ai-message .tts-button.playing {
    background: rgba(0, 255, 127, 0.3) !important;
    border-color: #00ff7f !important;
    color: #00ff7f !important;
    animation: pulse-tts 1.5s infinite !important;
}

/* === VOICE CONTROLS STYLING === */
.voice-controls {
    display: flex !important;
    gap: 10px !important;
    justify-content: center !important;
    margin: 15px 0 !important;
    flex-wrap: wrap !important;
    position: relative !important;
    z-index: 25 !important;
}

.voice-btn {
    background: rgba(123, 0, 255, 0.2) !important;
    color: #d0b3ff !important;
    border: 1px solid #7b00ff !important;
    padding: 8px 15px !important;
    border-radius: 25px !important;
    cursor: pointer !important;
    font-size: 14px !important;
    transition: all 0.3s ease !important;
    backdrop-filter: blur(5px) !important;
    display: flex !important;
    align-items: center !important;
    gap: 5px !important;
    min-width: 80px !important;
    justify-content: center !important;
    position: relative !important;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif !important;
    outline: none !important;
}

.voice-btn:hover:not(:disabled) {
    background: rgba(123, 0, 255, 0.4) !important;
    box-shadow: 0 0 15px rgba(123, 0, 255, 0.4) !important;
    transform: translateY(-2px) !important;
}

.voice-btn:active:not(:disabled) {
    transform: translateY(0) !important;
}

.voice-btn:disabled {
    opacity: 0.5 !important;
    cursor: not-allowed !important;
    background: rgba(100, 100, 100, 0.2) !important;
    border-color: #666 !important;
    color: #999 !important;
}

.voice-btn.active {
    background: rgba(0, 255, 127, 0.3) !important;
    border-color: #00ff7f !important;
    color: #00ff7f !important;
    box-shadow: 0 0 15px rgba(0, 255, 127, 0.4) !important;
}

.voice-btn.listening {
    background: rgba(255, 0, 100, 0.3) !important;
    border-color: #ff0064 !important;
    color: #ff6b9d !important;
    animation: pulse-recording 1.5s infinite !important;
}

.voice-btn.tts-off {
    background: rgba(100, 100, 100, 0.2) !important;
    border-color: #666 !important;
    color: #999 !important;
}

/* Firefox-specific voice button styling */
.voice-btn:disabled[title*="Firefox"] {
    background: rgba(255, 140, 0, 0.2) !important;
    border-color: #ff8c00 !important;
    color: #ffa500 !important;
}

.voice-icon {
    font-size: 16px !important;
    line-height: 1 !important;
    display: inline-block !important;
}

.voice-text {
    font-size: 12px !important;
    font-weight: 500 !important;
    white-space: nowrap !important;
}

/* Voice Status Indicator */
.voice-status {
    display: none !important;
    background: rgba(0, 0, 0, 0.4) !important;
    color: #00cfff !important;
    padding: 8px 15px !important;
    border-radius: 20px !important;
    font-size: 14px !important;
    margin: 10px 0 !important;
    text-align: center !important;
    border: 1px solid rgba(0, 207, 255, 0.3) !important;
    position: relative !important;
    z-index: 25 !important;
}

.voice-status.visible {
    display: block !important;
}

.voice-status.listening {
    background: rgba(255, 0, 100, 0.2) !important;
    color: #ff6b9d !important;
    border-color: rgba(255, 0, 100, 0.4) !important;
    animation: pulse-recording 1.5s infinite !important;
}

.voice-status.processing {
    background: rgba(255, 165, 0, 0.2) !important;
    color: #ffa500 !important;
    border-color: rgba(255, 165, 0, 0.4) !important;
}

.voice-status.error {
    background: rgba(255, 0, 0, 0.2) !important;
    color: #ff6b6b !important;
    border-color: rgba(255, 0, 0, 0.4) !important;
}

.voice-status.firefox-notice {
    background: rgba(255, 140, 0, 0.2) !important;
    color: #ffa500 !important;
    border-color: rgba(255, 140, 0, 0.4) !important;
}

/* Browser Compatibility Notice */
.browser-notice {
    background: #fff3e0 !important;
    border: 1px solid #ff9800 !important;
    padding: 8px 12px !important;
    margin: 10px 0 !important;
    border-radius: 4px !important;
    font-size: 12px !important;
    text-align: center !important;
    color: #e65100 !important;
}

.browser-notice.firefox-notice {
    background: rgba(255, 140, 0, 0.1) !important;
    border-color: #ff8c00 !important;
    color: #ff8c00 !important;
}

/* Voice Activity Detection (VAD) Toggle Button */
.voice-btn.voice-vad {
    background: rgba(0, 255, 127, 0.2) !important;
    border-color: #00ff7f !important;
    color: #00ff7f !important;
}

.voice-btn.voice-vad:hover:not(:disabled) {
    background: rgba(0, 255, 127, 0.4) !important;
    box-shadow: 0 0 15px rgba(0, 255, 127, 0.4) !important;
}

.voice-btn.voice-vad:not(.active) {
    background: rgba(100, 100, 100, 0.2) !important;
    border-color: #666 !important;
    color: #999 !important;
}

.voice-btn.voice-vad:not(.active):hover:not(:disabled) {
    background: rgba(100, 100, 100, 0.4) !important;
    box-shadow: 0 0 15px rgba(100, 100, 100, 0.4) !important;
}

.vad-icon {
    font-size: 16px !important;
    line-height: 1 !important;
    display: inline-block !important;
}

.vad-text {
    font-size: 12px !important;
    font-weight: 500 !important;
    white-space: nowrap !important;
}

/* VAD Status Indicators */
.voice-status.vad-waiting {
    background: rgba(255, 165, 0, 0.2) !important;
    color: #ffa500 !important;
    border-color: rgba(255, 165, 0, 0.4) !important;
    animation: pulse-vad 1.5s infinite !important;
}

@keyframes pulse-vad {
    0%, 100% {
        box-shadow: 0 0 5px rgba(255, 165, 0, 0.4);
        transform: scale(1);
    }
    50% {
        box-shadow: 0 0 20px rgba(255, 165, 0, 0.8);
        transform: scale(1.02);
    }
}

/* Auto-send message indicator */
.message.auto-sent::after {
    content: " 🎤";
    opacity: 0.7;
    font-size: 0.8em;
}

/* Enhanced Preview Styles */
.preview-controls {
    transition: all 0.3s ease !important;
}

.preview-controls button:hover {
    transform: scale(1.1) !important;
    box-shadow: 0 6px 20px rgba(0,0,0,0.3) !important;
}

#widget_preview_container.updating {
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.preview-hover {
    transform: scale(1.05) !important;
    transition: transform 0.2s ease !important;
}

.preview-chat-history {
    position: relative;
}

.message.tts-playing {
    animation: tts-pulse 1s infinite;
}

@keyframes tts-pulse {
    0%, 100% { box-shadow: 0 0 5px rgba(123, 0, 255, 0.3); }
    50% { box-shadow: 0 0 15px rgba(123, 0, 255, 0.8); }
}

/* Enhanced live preview voice status */
.preview-voice-status.visible {
    display: block !important;
    animation: slideInFromTop 0.3s ease-out;
}

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

/* Preview typing animation enhancements */
.preview-typing.visible {
    animation: fadeInSlide 0.5s ease-out;
}

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

/* Enhanced preview canvas */
#previewSoundbar {
    cursor: pointer;
    transition: all 0.3s ease;
}

#previewSoundbar:hover {
    transform: scale(1.02);
    box-shadow: 0 0 25px rgba(0, 207, 255, 0.4);
}

/* Enhanced Typing Indicator with Spinner */
.typing-indicator {
    display: none !important;
    color: #00cfff !important;
    font-style: italic !important;
    margin-bottom: 15px !important;
    padding: 15px !important;
    background: rgba(0, 0, 0, 0.3) !important;
    border-radius: 10px !important;
    border-left: 3px solid #00cfff !important;
    position: relative !important;
    animation: typing-pulse 2s infinite ease-in-out !important;
}

.typing-indicator.visible {
    display: block !important;
}

/* Spinner Animation */
.ai-spinner {
    display: inline-block !important;
    width: 20px !important;
    height: 20px !important;
    border: 2px solid rgba(0, 207, 255, 0.3) !important;
    border-radius: 50% !important;
    border-top: 2px solid #00cfff !important;
    animation: spin 1s linear infinite !important;
    margin-right: 10px !important;
    vertical-align: middle !important;
}

/* Brain/Thinking Animation */
.thinking-dots {
    display: inline-block !important;
    margin-left: 10px !important;
}

.thinking-dots span {
    display: inline-block !important;
    width: 8px !important;
    height: 8px !important;
    border-radius: 50% !important;
    background-color: #00cfff !important;
    margin: 0 2px !important;
    animation: thinking-bounce 1.4s infinite ease-in-out both !important;
}

.thinking-dots span:nth-child(1) { animation-delay: -0.32s !important; }
.thinking-dots span:nth-child(2) { animation-delay: -0.16s !important; }
.thinking-dots span:nth-child(3) { animation-delay: 0s !important; }

/* AI Processing Indicator */
.ai-processing {
    display: none !important;
    text-align: center !important;
    padding: 10px !important;
    background: rgba(123, 0, 255, 0.1) !important;
    border-radius: 8px !important;
    margin-bottom: 10px !important;
    border: 1px solid rgba(123, 0, 255, 0.3) !important;
}

.ai-processing.visible {
    display: block !important;
}

.ai-processing-content {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 10px !important;
}

.processing-text {
    color: #d0b3ff !important;
    font-size: 14px !important;
}

/* Enhanced Input Area */
#inputArea {
    display: flex !important;
    gap: 10px !important;
    margin-top: 10px !important;
    position: relative !important;
}

#userInput {
    flex: 1 !important;
    padding: 12px !important;
    border-radius: 30px !important;
    border: 1px solid #00cfff !important;
    background: rgba(0, 0, 0, 0.3) !important;
    color: white !important;
    font-size: 16px !important;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif !important;
    transition: all 0.3s ease !important;
    outline: none !important;
}

#userInput:focus {
    border-color: #00ffff !important;
    box-shadow: 0 0 10px rgba(0, 255, 255, 0.3) !important;
}

#userInput:disabled {
    opacity: 0.6 !important;
    cursor: not-allowed !important;
    border-color: rgba(0, 207, 255, 0.3) !important;
}

#userInput::placeholder {
    color: rgba(255, 255, 255, 0.5) !important;
}

#sendButton {
    background: rgba(123, 0, 255, 0.3) !important;
    border: 1px solid #7b00ff !important;
    color: #d0b3ff !important;
    padding: 10px 20px !important;
    border-radius: 30px !important;
    cursor: pointer !important;
    font-size: 16px !important;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif !important;
    transition: all 0.3s ease !important;
    backdrop-filter: blur(5px) !important;
    position: relative !important;
    min-width: 80px !important;
    outline: none !important;
}

#sendButton:hover:not(:disabled) {
    background: rgba(123, 0, 255, 0.5) !important;
    box-shadow: 0 0 15px rgba(123, 0, 255, 0.4) !important;
    transform: translateY(-2px) !important;
}

#sendButton:active:not(:disabled) {
    transform: translateY(0) !important;
}

#sendButton:disabled {
    opacity: 0.6 !important;
    cursor: not-allowed !important;
    background: rgba(123, 0, 255, 0.1) !important;
}

#sendButton.loading {
    color: transparent !important;
}

#sendButton .button-spinner {
    display: none !important;
    position: absolute !important;
    top: 50% !important;
    left: 50% !important;
    transform: translate(-50%, -50%) !important;
    width: 16px !important;
    height: 16px !important;
    border: 2px solid rgba(255, 255, 255, 0.3) !important;
    border-radius: 50% !important;
    border-top: 2px solid #d0b3ff !important;
    animation: spin 1s linear infinite !important;
}

#sendButton.loading .button-spinner {
    display: block !important;
}

/* === ANIMATIONS === */
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes thinking-bounce {
    0%, 80%, 100% {
        transform: scale(0);
        opacity: 0.5;
    }
    40% {
        transform: scale(1);
        opacity: 1;
    }
}

@keyframes typing-pulse {
    0%, 100% {
        background: rgba(0, 0, 0, 0.3);
        border-left-color: #00cfff;
    }
    50% {
        background: rgba(0, 0, 0, 0.4);
        border-left-color: #0080ff;
    }
}

@keyframes pulse-recording {
    0%, 100% {
        box-shadow: 0 0 5px rgba(255, 0, 100, 0.4);
        transform: scale(1);
    }
    50% {
        box-shadow: 0 0 20px rgba(255, 0, 100, 0.8);
        transform: scale(1.05);
    }
}

@keyframes pulse-tts {
    0%, 100% {
        box-shadow: 0 0 5px rgba(0, 255, 127, 0.4);
        transform: scale(1);
    }
    50% {
        box-shadow: 0 0 15px rgba(0, 255, 127, 0.8);
        transform: scale(1.1);
    }
}

@keyframes glow-pulse {
    0%, 100% {
        box-shadow: 0 0 5px rgba(0, 207, 255, 0.3);
    }
    50% {
        box-shadow: 0 0 20px rgba(0, 207, 255, 0.6);
    }
}

/* === PLAY BUTTON PULSE ANIMATIONS - SEPARATED STRUCTURE === */
/* Pulse animations now apply directly to the dedicated play button */

/* Breathing-Pulse Animation - Smooth scale breathing effect */
@keyframes play-button-breathing-pulse {
    0%, 100% { 
        transform: scale(1); 
        opacity: 1;
    }
    50% { 
        transform: scale(1.08); 
        opacity: 0.9;
    }
}

/* Dot-Pulse Animation - Pulsing glow effect */
@keyframes play-button-dots-pulse {
    0%, 100% { 
        box-shadow: 0 0 var(--play-button-shadow-intensity, 20px) var(--play-button-border-color, #00cfff);
    }
    25% { 
        box-shadow: 0 0 calc(var(--play-button-shadow-intensity, 20px) * 1.25) var(--play-button-border-color, #00cfff);
    }
    50% { 
        box-shadow: 0 0 calc(var(--play-button-shadow-intensity, 20px) * 1.5) var(--play-button-border-color, #00cfff);
    }
    75% { 
        box-shadow: 0 0 calc(var(--play-button-shadow-intensity, 20px) * 1.25) var(--play-button-border-color, #00cfff);
    }
}

/* Apply pulse animations to the dedicated play button when enabled */
.play-button-container:not(.hidden) .play-button:not([data-disable-pulse="true"]) {
    animation: play-button-breathing-pulse calc(2.0s / var(--play-button-pulse-speed, 1)) infinite ease-in-out,
               play-button-dots-pulse calc(1.8s / var(--play-button-pulse-speed, 1)) infinite ease-in-out;
}

/* WordPress Customizer integration support */
.play-button-container:not(.hidden) .play-button:not([data-disable-pulse="true"]):not(.hover-none) {
    animation: play-button-breathing-pulse calc(2.0s / var(--play-button-pulse-speed, 1)) infinite ease-in-out,
               play-button-dots-pulse calc(1.8s / var(--play-button-pulse-speed, 1)) infinite ease-in-out;
}

/* Disable pulse animations when disabled by customizer or user preference */
.play-button[data-disable-pulse="true"],
.play-button-container[data-disable-pulse="true"] .play-button {
    animation: none !important;
}

/* Respect reduced motion preference */
@media (prefers-reduced-motion: reduce) {
    .play-button {
        animation: none !important;
        transition: none !important;
    }
}

/* Legacy pulse system cleanup - remove old canvas-based pulse */
#soundbar::before {
    display: none !important;
    opacity: 0 !important;
}

#soundbar.show-play-button::before,
#soundbar.pulse-breathing::before,
#soundbar.pulse-dots::before,
#soundbar.pulse-effect::before {
    display: none !important;
    opacity: 0 !important;
    animation: none !important;
}

/* === ELEMENTOR COMPATIBILITY === */
.elementor-widget-container .ai-interview-container {
    overflow: visible !important;
}

.elementor-widget-container #soundbar {
    transform: translateZ(0) !important;
    backface-visibility: hidden !important;
}

#chatInterface.visible {
    display: block !important;
}

/* === TABLET RESPONSIVE STYLES (768px - 1024px) === */
@media screen and (max-width: 1024px) and (min-width: 768px) {
    .ai-interview-container {
        margin: 15px 0 !important;
        padding: 15px !important;
        min-height: 400px !important;
    }
    
    .canvas-container {
        height: 400px !important;
        margin: 15px auto !important;
    }
    
    #soundbar {
        height: 400px !important;
    }
    
    .play-button {
        width: calc(var(--play-button-size, 100px) * 0.8) !important;
        height: calc(var(--play-button-size, 100px) * 0.8) !important;
        font-size: calc(var(--play-button-size, 100px) * 0.32) !important;
    }
    
    #audio-visualizer {
        height: 80px !important;
        margin: 15px auto !important;
    }
    
    .ai-interview-controls {
        gap: 12px !important;
        transform: translateY(-40px) !important;
    }
    
    .ai-interview-container button {
        padding: 8px 16px !important;
        font-size: 15px !important;
    }
    
    #chatInterface {
        margin-top: -30px !important;
        padding: 15px !important;
    }
    
    #chatHistory {
        height: 130px !important;
        padding: 12px !important;
    }
    
    #userInput {
        padding: 10px !important;
        font-size: 15px !important;
    }
    
    #sendButton {
        padding: 8px 16px !important;
        font-size: 15px !important;
    }
    
    .voice-controls {
        gap: 8px !important;
    }
    
    .voice-btn {
        padding: 6px 12px !important;
        font-size: 13px !important;
        min-width: 70px !important;
    }
    
    .voice-icon {
        font-size: 14px !important;
    }
    
    .voice-text {
        font-size: 11px !important;
    }
    
    .typing-indicator {
        padding: 12px !important;
        font-size: 15px !important;
    }
    
    .ai-spinner {
        width: 18px !important;
        height: 18px !important;
    }
    
    .voice-status {
        font-size: 13px !important;
        padding: 6px 12px !important;
    }
}

/* === MOBILE RESPONSIVE STYLES (up to 767px) === */
@media screen and (max-width: 767px) {
    .ai-interview-container {
        margin: 10px 0 !important;
        padding: 10px !important;
        min-height: 350px !important;
        border-radius: 10px !important;
    }
    
    .ai-interview-inner-container {
        max-width: 100% !important;
    }
    
    .canvas-container {
        height: 300px !important;
        margin: 10px auto !important;
    }
    
    #soundbar {
        height: 300px !important;
        border-radius: 6px !important;
        box-shadow: 0 0 20px 5px rgba(0, 207, 255, 0.4), 0 0 30px 10px rgba(0, 102, 255, 0.2) !important;
    }
    
    .play-button {
        width: calc(var(--play-button-size, 100px) * 0.6) !important;
        height: calc(var(--play-button-size, 100px) * 0.6) !important;
        font-size: calc(var(--play-button-size, 100px) * 0.24) !important;
    }
    
    #audio-visualizer {
        height: 60px !important;
        margin: 10px auto !important;
        border-radius: 6px !important;
        box-shadow: 0 0 15px 3px rgba(0, 150, 255, 0.3), 0 0 20px 5px rgba(0, 150, 255, 0.2) !important;
    }
    
    .ai-interview-controls {
        gap: 10px !important;
        transform: translateY(-30px) !important;
        flex-wrap: wrap !important;
    }
    
    .ai-interview-container button {
        padding: 8px 14px !important;
        font-size: 14px !important;
        border-radius: 20px !important;
        min-width: 100px !important;
    }
    
    #chatInterface {
        margin-top: -20px !important;
        padding: 12px !important;
        border-radius: 10px !important;
        font-size: 14px !important;
    }
    
    #chatInterface h2 {
        font-size: 18px !important;
        margin-bottom: 10px !important;
    }
    
    #chatHistory {
        height: 120px !important;
        padding: 10px !important;
        margin-bottom: 15px !important;
        border-radius: 8px !important;
        font-size: 14px !important;
    }
    
    .message {
        margin-bottom: 12px !important;
        padding: 8px !important;
        border-radius: 6px !important;
        font-size: 14px !important;
        line-height: 1.4 !important;
    }
    
    .voice-controls {
        gap: 6px !important;
        margin: 10px 0 !important;
        justify-content: center !important;
    }
    
    .voice-btn {
        padding: 6px 10px !important;
        font-size: 12px !important;
        min-width: 60px !important;
        border-radius: 20px !important;
        flex: 0 1 auto !important;
    }
    
    .voice-icon {
        font-size: 14px !important;
    }
    
    .voice-text {
        font-size: 10px !important;
    }
    
    .voice-status {
        font-size: 12px !important;
        padding: 6px 10px !important;
        margin: 8px 0 !important;
    }
    
    #inputArea {
        flex-direction: column !important;
        gap: 8px !important;
    }
    
    #userInput {
        padding: 10px !important;
        font-size: 14px !important;
        border-radius: 20px !important;
        width: 100% !important;
        box-sizing: border-box !important;
    }
    
    #sendButton {
        padding: 10px 20px !important;
        font-size: 14px !important;
        border-radius: 20px !important;
        width: 100% !important;
        box-sizing: border-box !important;
    }
    
    .typing-indicator {
        padding: 10px !important;
        font-size: 14px !important;
    }
    
    .ai-spinner {
        width: 16px !important;
        height: 16px !important;
    }
    
    .thinking-dots span {
        width: 6px !important;
        height: 6px !important;
    }
    
    .processing-text {
        font-size: 12px !important;
    }
    
    .ai-message .tts-button {
        position: static !important;
        margin-top: 8px !important;
        display: inline-block !important;
        margin-left: 8px !important;
    }
    
    .browser-notice {
        font-size: 11px !important;
        padding: 6px 8px !important;
        margin: 8px 0 !important;
    }
    
    /* Mobile touch improvements */
    .ai-interview-container button:active {
        transform: scale(0.95) !important;
    }
    
    .voice-btn:active:not(:disabled) {
        transform: scale(0.95) !important;
    }
    
    #userInput:focus {
        outline: none !important;
        border: 2px solid #00cfff !important;
    }
}

/* === SMALL MOBILE RESPONSIVE STYLES (up to 480px) === */
@media screen and (max-width: 480px) {
    .ai-interview-container {
        margin: 5px 0 !important;
        padding: 8px !important;
        min-height: 300px !important;
    }
    
    .canvas-container {
        height: 250px !important;
        margin: 8px auto !important;
    }
    
    #soundbar {
        height: 250px !important;
    }
    
    .play-button {
        width: calc(var(--play-button-size, 100px) * 0.5) !important;
        height: calc(var(--play-button-size, 100px) * 0.5) !important;
        font-size: calc(var(--play-button-size, 100px) * 0.2) !important;
    }
    
    #audio-visualizer {
        height: 50px !important;
        margin: 8px auto !important;
    }
    
    .ai-interview-controls {
        transform: translateY(-25px) !important;
    }
    
    .ai-interview-container button {
        padding: 6px 12px !important;
        font-size: 13px !important;
        min-width: 80px !important;
    }
    
    #chatInterface {
        margin-top: -15px !important;
        padding: 10px !important;
        font-size: 13px !important;
    }
    
    #chatInterface h2 {
        font-size: 16px !important;
    }
    
    #chatHistory {
        height: 100px !important;
        padding: 8px !important;
        font-size: 13px !important;
    }
    
    .message {
        padding: 6px !important;
        font-size: 13px !important;
    }
    
    .voice-controls {
        gap: 4px !important;
        flex-direction: row !important;
        flex-wrap: wrap !important;
    }
    
    .voice-btn {
        padding: 5px 8px !important;
        font-size: 11px !important;
        min-width: 50px !important;
        flex: 1 1 auto !important;
        max-width: calc(33.333% - 4px) !important;
    }
    
    .voice-icon {
        font-size: 12px !important;
    }
    
    .voice-text {
        font-size: 9px !important;
    }
    
    .voice-status {
        font-size: 11px !important;
        padding: 4px 8px !important;
    }
    
    #userInput {
        padding: 8px !important;
        font-size: 13px !important;
    }
    
    #sendButton {
        padding: 8px 16px !important;
        font-size: 13px !important;
    }
    
    .typing-indicator {
        padding: 8px !important;
        font-size: 13px !important;
    }
    
    .ai-spinner {
        width: 14px !important;
        height: 14px !important;
    }
    
    .processing-text {
        font-size: 11px !important;
    }
    
    .browser-notice {
        font-size: 10px !important;
        padding: 4px 6px !important;
    }
}

/* === ACCESSIBILITY IMPROVEMENTS === */
@media (prefers-reduced-motion: reduce) {
    .ai-interview-container,
    .ai-interview-controls,
    .voice-btn,
    #sendButton,
    .ai-spinner,
    .thinking-dots span,
    .pulse-breathing,
    .pulse-dots,
    .pulse-effect,
    #soundbar::before {
        animation: none !important;
        transition: none !important;
    }
    
    .voice-btn.listening,
    .voice-status.listening,
    .ai-message .tts-button.playing {
        animation: none !important;
    }
    
    /* Disable all play button pulse effects when reduced motion is preferred */
    #soundbar.pulse-breathing::before,
    #soundbar.pulse-dots::before,
    #soundbar.pulse-effect::before {
        animation: none !important;
        opacity: 0 !important;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .ai-interview-container {
        border: 2px solid #ffffff !important;
    }
    
    .voice-btn,
    #sendButton {
        border-width: 2px !important;
    }
    
    .message {
        border-width: 2px !important;
    }
}

/* Dark mode preference support */
@media (prefers-color-scheme: dark) {
    .browser-notice {
        background: rgba(255, 140, 0, 0.1) !important;
        color: #ffa500 !important;
    }
}

/* === PRINT STYLES === */
@media print {
    .ai-interview-container {
        background: white !important;
        color: black !important;
        box-shadow: none !important;
    }
    
    #soundbar,
    .voice-controls,
    #inputArea,
    .ai-interview-controls {
        display: none !important;
    }
    
    #chatHistory {
        background: white !important;
        border: 1px solid black !important;
        height: auto !important;
        overflow: visible !important;
    }
    
    .message {
        border: 1px solid black !important;
        background: white !important;
        color: black !important;
    }
}

/* === FOCUS MANAGEMENT === */
.voice-btn:focus,
#sendButton:focus,
#userInput:focus {
    outline: 2px solid #00cfff !important;
    outline-offset: 2px !important;
}

/* === LOADING STATES === */
.ai-interview-container.loading {
    opacity: 0.8 !important;
    pointer-events: none !important;
}

.ai-interview-container.loading * {
    cursor: wait !important;
}

/* === ERROR STATES === */
.voice-btn.error {
    background: rgba(255, 0, 0, 0.2) !important;
    border-color: #ff0000 !important;
    color: #ff6b6b !important;
    animation: shake 0.5s ease-in-out !important;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

/* === SUCCESS STATES === */
.voice-btn.success {
    background: rgba(0, 255, 0, 0.2) !important;
    border-color: #00ff00 !important;
    color: #00ff00 !important;
}

/* === FIREFOX SPECIFIC STYLES === */
@-moz-document url-prefix() {
    .voice-btn[title*="Firefox"] {
        background: rgba(255, 140, 0, 0.2) !important;
        border-color: #ff8c00 !important;
        color: #ffa500 !important;
    }
    
    .voice-btn[title*="Firefox"]:before {
        content: "🦊 ";
    }
}