/* SahayataConnect - Glass Morph Design Styles */

/* ===== CSS Reset & Base Styles ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Color Palette */
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary-color: #ec4899;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    
    /* Glass Morph Colors */
    --glass-bg: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.2);
    --glass-shadow: rgba(0, 0, 0, 0.1);
    
    /* Text Colors */
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.8);
    --text-muted: rgba(255, 255, 255, 0.6);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 0.5rem;
    --radius-md: 1rem;
    --radius-lg: 1.5rem;
    --radius-xl: 2rem;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    background-attachment: fixed;
    min-height: 100vh;
    overflow-x: hidden;
}

/* ===== Container & Layout ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-md);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ===== Header ===== */
.header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: 0 8px 32px var(--glass-shadow);
}

.app-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    background: linear-gradient(135deg, #fff 0%, #f0f0f0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.app-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    font-weight: 300;
}

/* ===== Language Selector ===== */
.language-selector-container {
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    box-shadow: 0 4px 16px var(--glass-shadow);
}

.language-label {
    display: block;
    font-size: 0.95rem;
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
    color: var(--text-secondary);
}

.language-selector {
    width: 100%;
    padding: var(--spacing-sm);
    font-size: 1rem;
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    cursor: pointer;
    transition: all var(--transition-normal);
}

.language-selector:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: var(--primary-light);
}

.language-selector:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.3);
}

.language-selector option {
    background: #4f46e5;
    color: white;
}

/* ===== Main Content ===== */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

/* ===== Split Conversation Layout ===== */
.conversation-layout {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: var(--spacing-md);
    align-items: start;
    min-height: 500px;
}

.conversation-box {
    padding: var(--spacing-lg);
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: 0 8px 32px var(--glass-shadow);
    display: flex;
    flex-direction: column;
    height: 100%;
    min-height: 500px;
}

.box-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
    text-align: center;
}

.box-content {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-sm);
    background: rgba(0, 0, 0, 0.1);
    border-radius: var(--radius-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.box-content::-webkit-scrollbar {
    width: 8px;
}

.box-content::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-sm);
}

.box-content::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-sm);
}

.box-content::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.3);
}

.box-empty {
    text-align: center;
    color: var(--text-muted);
    font-style: italic;
    padding: var(--spacing-xl);
    margin: auto;
}

.user-message, .ai-message {
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    word-wrap: break-word;
    font-size: 1rem;
    line-height: 1.5;
    animation: message-slide-in 0.3s ease-out;
}

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

.user-message {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--text-primary);
    align-self: flex-start;
}

.ai-message {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    align-self: flex-start;
}

.center-controls {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
    padding-top: var(--spacing-lg);
}

/* ===== Call AI Button (Centered, Animated) ===== */
.call-button-container {
    display: flex;
    justify-content: center;
    align-items: center;
}

.call-ai-button {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    width: 180px;
    height: 180px;
    padding: var(--spacing-lg);
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border: 2px solid var(--glass-border);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-normal);
    box-shadow: 0 8px 32px rgba(99, 102, 241, 0.4),
                0 0 0 0 rgba(99, 102, 241, 0.7);
    animation: pulse-glow 2s ease-in-out infinite;
}

.call-ai-button:hover {
    transform: scale(1.05);
    box-shadow: 0 12px 48px rgba(99, 102, 241, 0.6),
                0 0 0 8px rgba(99, 102, 241, 0.2);
}

.call-ai-button:active {
    transform: scale(0.98);
}

.call-ai-button .mic-icon {
    width: 48px;
    height: 48px;
    stroke-width: 2.5;
}

.call-ai-button .button-text {
    font-size: 1.1rem;
    letter-spacing: 0.5px;
}

@keyframes pulse-glow {
    0%, 100% {
        box-shadow: 0 8px 32px rgba(99, 102, 241, 0.4),
                    0 0 0 0 rgba(99, 102, 241, 0.7);
    }
    50% {
        box-shadow: 0 8px 32px rgba(99, 102, 241, 0.6),
                    0 0 0 15px rgba(99, 102, 241, 0);
    }
}

/* ===== End Call Button ===== */
.end-call-container {
    display: flex;
    justify-content: center;
    align-items: center;
}

.end-call-button {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    background: linear-gradient(135deg, var(--danger-color) 0%, #dc2626 100%);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-normal);
    box-shadow: 0 4px 16px rgba(239, 68, 68, 0.4);
}

.end-call-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(239, 68, 68, 0.6);
    background: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%);
}

.end-call-button:active {
    transform: translateY(0);
}

.end-call-button .phone-icon {
    width: 24px;
    height: 24px;
    transform: rotate(135deg);
}

/* ===== AI Speaking Animation Indicator ===== */
.ai-speaking-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: 0 4px 16px var(--glass-shadow);
}

.speaking-animation {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    height: 60px;
}

.speaking-animation .wave {
    width: 8px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    border-radius: var(--radius-full);
    animation: wave-pulse 1.2s ease-in-out infinite;
}

.speaking-animation .wave:nth-child(1) {
    animation-delay: 0s;
}

.speaking-animation .wave:nth-child(2) {
    animation-delay: 0.2s;
}

.speaking-animation .wave:nth-child(3) {
    animation-delay: 0.4s;
}

.speaking-animation .wave:nth-child(4) {
    animation-delay: 0.6s;
}

@keyframes wave-pulse {
    0%, 100% {
        height: 20px;
        opacity: 0.5;
    }
    50% {
        height: 60px;
        opacity: 1;
    }
}

.speaking-text {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-secondary);
}



/* ===== Demo Questions Panel ===== */
.demo-questions-panel {
    padding: var(--spacing-lg);
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: 0 8px 32px var(--glass-shadow);
}

.demo-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.demo-questions-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.demo-question {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    text-align: left;
    font-size: 0.95rem;
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-normal);
}

.demo-question:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: var(--primary-light);
    transform: translateX(4px);
}

.demo-question:active {
    transform: translateX(2px);
}

.demo-question .question-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    stroke-width: 2;
}

.demo-question span {
    flex: 1;
    line-height: 1.4;
}

/* ===== Footer ===== */
.footer {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md);
    text-align: center;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    box-shadow: 0 4px 16px var(--glass-shadow);
}

.footer-text {
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* ===== Status Messages ===== */
.status-message {
    position: fixed;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    max-width: 400px;
    padding: var(--spacing-md);
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    box-shadow: 0 8px 32px var(--glass-shadow);
    z-index: 1000;
    animation: slide-in-right 0.3s ease-out;
}

@keyframes slide-in-right {
    from {
        opacity: 0;
        transform: translateX(100%);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.status-message.success {
    border-left: 4px solid var(--success-color);
}

.status-message.error {
    border-left: 4px solid var(--danger-color);
}

.status-message.warning {
    border-left: 4px solid var(--warning-color);
}

.status-message.info {
    border-left: 4px solid var(--primary-color);
}

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

/* Tablet (768px and below) */
@media (max-width: 768px) {
    .container {
        padding: var(--spacing-sm);
    }
    
    .app-title {
        font-size: 2rem;
    }
    
    .app-subtitle {
        font-size: 1rem;
    }
    
    .conversation-layout {
        grid-template-columns: 1fr;
        grid-template-rows: auto auto auto;
        gap: var(--spacing-sm);
    }
    
    .conversation-box {
        min-height: 250px;
    }
    
    .center-controls {
        order: -1;
        padding-top: 0;
    }
    
    .call-ai-button {
        width: 120px;
        height: 120px;
    }
    
    .call-ai-button .mic-icon {
        width: 36px;
        height: 36px;
    }
    
    .call-ai-button .button-text {
        font-size: 0.95rem;
    }
    
    .demo-question {
        font-size: 0.9rem;
    }
    
    .status-message {
        top: var(--spacing-sm);
        right: var(--spacing-sm);
        left: var(--spacing-sm);
        max-width: none;
    }
}

/* Mobile (480px and below) */
@media (max-width: 480px) {
    .app-title {
        font-size: 1.75rem;
    }
    
    .app-subtitle {
        font-size: 0.9rem;
    }
    
    .conversation-box {
        min-height: 200px;
    }
    
    .box-title {
        font-size: 1.2rem;
    }
    
    .call-ai-button {
        width: 100px;
        height: 100px;
    }
    
    .call-ai-button .mic-icon {
        width: 32px;
        height: 32px;
    }
    
    .call-ai-button .button-text {
        font-size: 0.85rem;
    }
    
    .end-call-button {
        padding: var(--spacing-sm) var(--spacing-lg);
        font-size: 1rem;
    }
    
    .demo-title {
        font-size: 1.1rem;
    }
    
    .demo-question {
        font-size: 0.85rem;
        padding: var(--spacing-sm);
    }
    
    .demo-question .question-icon {
        width: 18px;
        height: 18px;
    }
    
    .user-message, .ai-message {
        font-size: 0.9rem;
    }
}

/* Large Desktop (1440px and above) */
@media (min-width: 1440px) {
    .container {
        max-width: 1400px;
    }
    
    .app-title {
        font-size: 3rem;
    }
    
    .conversation-box {
        min-height: 600px;
    }
    
    .call-ai-button {
        width: 200px;
        height: 200px;
    }
    
    .call-ai-button .mic-icon {
        width: 56px;
        height: 56px;
    }
}

/* ===== Accessibility ===== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus visible for keyboard navigation */
button:focus-visible,
select:focus-visible {
    outline: 3px solid var(--primary-light);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --glass-bg: rgba(255, 255, 255, 0.2);
        --glass-border: rgba(255, 255, 255, 0.4);
    }
    
    .call-ai-button,
    .end-call-button,
    .demo-question {
        border-width: 3px;
    }
}