/* ============================================
   LOBSTER LIVE ASSISTANT - Mobile App Design
   ============================================ */

/* Root Variables & Design Tokens */
:root {
    /* Premium Dark Color Palette */
    --primary-bg: #0a0a0a;
    --secondary-bg: #111111;
    --card-bg: #1a1a1a;
    --card-border: #2a2a2a;
    --surface-bg: #0f0f0f;
    
    /* Premium Gradient Colors */
    --gradient-cyan: #00d4ff;
    --gradient-purple: #7b61ff;
    --gradient-magenta: #ff3366;
    --gradient-blue: #0066ff;
    --gradient-pink: #ff0066;
    
    /* Text Colors */
    --text-primary: #ffffff;
    --text-secondary: #e0e0e0;
    --text-dim: #a0a0a0;
    --text-fade: #666666;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-xxl: 3rem;
    
    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Courier New', monospace;
}

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

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

body {
    font-family: var(--font-primary);
    background: var(--primary-bg);
    color: var(--text-primary);
    overflow-x: hidden;
    min-height: 100vh;
    width: 100vw;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
    -webkit-overflow-scrolling: touch;
}

/* App Container */
.app-container {
    min-height: 100vh;
    width: 100vw;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    position: relative;
    background: var(--primary-bg);
}

/* Responsive Layout */
.mobile-layout {
    display: flex;
    flex-direction: column;
    height: 100vh;
    max-width: 450px;
    margin: 0 auto;
    background: var(--primary-bg);
    box-shadow: 0 0 30px rgba(0, 0, 0, 0.5);
    overflow-y: auto;
    overflow-x: hidden;
    position: relative;
}

/* Desktop Layout - New Design */
@media (min-width: 768px) {
    .mobile-layout {
        max-width: 1200px;
        width: 100%;
        height: 100vh;
        display: grid;
        grid-template-columns: 1fr 1fr;
        grid-template-rows: auto 1fr;
        gap: var(--spacing-xl);
        padding: 0 var(--spacing-xl) var(--spacing-xl) var(--spacing-xl);
        margin: 0 auto;
        box-shadow: 0 0 30px rgba(0, 0, 0, 0.3);
        overflow: hidden;
    }
    
    /* Header spans full width */
    .app-header-mobile {
        grid-column: 1 / -1;
        grid-row: 1;
        margin-bottom: var(--spacing-lg);
        padding: var(--spacing-lg) 0;
        max-width: 100%;
    }
    
    /* Left side - Only recording circle */
    .top-section {
        grid-column: 1;
        grid-row: 2;
        display: none; /* Hide logo on desktop */
    }
    
    .middle-section {
        grid-column: 1;
        grid-row: 2;
        display: flex;
        justify-content: center;
        align-items: center;
        padding: var(--spacing-xl);
    }
    
    /* Right side - AI Notes and Q&A boxes */
    .bottom-section {
        grid-column: 2;
        grid-row: 2;
        padding: var(--spacing-lg);
        display: flex;
        flex-direction: column;
        justify-content: flex-start;
        gap: var(--spacing-lg);
        max-width: 100%;
    }
    
    
    /* Desktop-specific adjustments */
    .gradient-circle {
        width: 200px;
        height: 200px;
    }
    
    .content-block {
        height: 350px;
        width: 100%;
    }
    
    .transcription-area {
        height: 350px;
        width: 100%;
        margin-top: var(--spacing-lg);
    }
    
    .tab-navigation {
        margin-bottom: var(--spacing-lg);
        width: 100%;
    }
    
    /* Hide mobile elements on desktop */
    .logo-indicator {
        display: none;
    }
}
    
/* Large Desktop Layout - Even Better Spacing */
@media (min-width: 1200px) {
    .mobile-layout {
        max-width: 1400px;
        gap: var(--spacing-xxl);
        padding: 0 var(--spacing-xxl) var(--spacing-xxl) var(--spacing-xxl);
    }
    
    .gradient-circle {
        width: 220px;
        height: 220px;
    }
    
    .content-block {
        height: 400px;
    }
    
    .transcription-area {
        height: 400px;
    }
    
    .app-header-mobile {
        padding: var(--spacing-xl) var(--spacing-xxl);
    }
    
    .middle-section {
        padding: var(--spacing-xxl);
    }
    
    .bottom-section {
        padding: var(--spacing-xl);
    }
}

/* App Header Mobile */
.app-header-mobile {
    background: var(--secondary-bg);
    border-bottom: 1px solid var(--card-border);
    padding: var(--spacing-md) var(--spacing-lg);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    max-width: 100%;
}

.logo-section {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex: 1;
}

.app-logo {
    width: 32px;
    height: 32px;
    object-fit: contain;
    filter: brightness(0) invert(1);
}

.app-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.status-indicator-mobile {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--card-bg);
    border-radius: 12px;
    border: 1px solid var(--card-border);
    flex-shrink: 0;
}

.status-dot-mobile {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--text-dim);
    transition: var(--transition-base);
}

.status-dot-mobile[data-status="idle"] {
    background: var(--text-dim);
}

.status-dot-mobile[data-status="recording"] {
    background: var(--gradient-magenta);
    animation: pulse 1s ease-in-out infinite;
}

.status-dot-mobile[data-status="processing"] {
    background: var(--gradient-cyan);
    animation: pulse 0.5s ease-in-out infinite;
}

.status-text-mobile {
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Top Section */
.top-section {
    padding: var(--spacing-lg) var(--spacing-lg) var(--spacing-md);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
}

/* Logo Indicator */
.logo-indicator {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
    animation: logoFloat 3s ease-in-out infinite;
}

.logo-icon-main {
    width: 48px;
    height: 48px;
    object-fit: contain;
    filter: brightness(0) invert(1);
    opacity: 0.8;
    transition: all var(--transition-slow);
}

.logo-icon-main:hover {
    opacity: 1;
    transform: scale(1.1);
}

@keyframes logoFloat {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-8px);
    }
}

/* Transcription Area */
.transcription-area {
    width: 100%;
    background: var(--surface-bg);
    padding: var(--spacing-lg);
    border-radius: 16px;
    min-height: 140px;
    max-height: 200px;
    overflow: hidden;
    position: relative;
    border: 1px solid var(--card-border);
    backdrop-filter: blur(10px);
    margin: var(--spacing-lg) 0;
}

.transcription-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.transcription-title::before {
    content: '🎤';
    font-size: 1.2rem;
}

.transcription-text {
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-primary);
    text-align: left;
    word-wrap: break-word;
    font-weight: 400;
    margin: 0;
    animation: fadeInText 0.8s ease-out;
    transition: opacity 0.2s ease-in-out;
}

.transcription-text.current {
    color: var(--text-primary);
    font-weight: 500;
    opacity: 1;
}

.transcription-text.previous {
    color: var(--text-dim);
    opacity: 0.6;
    font-size: 0.9em;
}

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

/* Middle Section */
.middle-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl) 0;
    flex: 1;
}

/* Listening Indicator */
.listening-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-lg);
}

/* Enhanced Gradient Circle with Waveform */
.gradient-circle {
    width: 140px;
    height: 140px;
    border-radius: 50%;
    background: conic-gradient(
        from 0deg,
        var(--gradient-cyan) 0deg,
        var(--gradient-blue) 60deg,
        var(--gradient-purple) 120deg,
        var(--gradient-magenta) 180deg,
        var(--gradient-pink) 240deg,
        var(--gradient-cyan) 300deg,
        var(--gradient-cyan) 360deg
    );
    animation: rotate 4s linear infinite, pulseGlow 2s ease-in-out infinite;
    position: relative;
    cursor: pointer;
    transition: all var(--transition-slow);
    box-shadow: 0 0 30px rgba(0, 212, 255, 0.3);
}

.gradient-circle:hover {
    transform: scale(1.05);
    box-shadow: 0 0 40px rgba(0, 212, 255, 0.5);
}

.gradient-circle::before {
    content: '';
    position: absolute;
    inset: 12px;
    background: var(--primary-bg);
    border-radius: 50%;
    z-index: 1;
}

.gradient-circle::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background: radial-gradient(circle at center, transparent 40%, rgba(0, 212, 255, 0.1) 100%);
    animation: ripple 2s ease-in-out infinite;
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

@keyframes pulseGlow {
    0%, 100% {
        box-shadow: 0 0 30px rgba(0, 212, 255, 0.3);
    }
    50% {
        box-shadow: 0 0 50px rgba(0, 212, 255, 0.6);
    }
}

@keyframes ripple {
    0% {
        transform: scale(1);
        opacity: 1;
    }
    100% {
        transform: scale(1.2);
        opacity: 0;
    }
}

.listening-text {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-primary);
    text-align: center;
}

/* Bottom Section */
.bottom-section {
    padding: 0 var(--spacing-lg) var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

/* Tab Navigation */
.tab-navigation {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.tab-button {
    flex: 1;
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--secondary-bg);
    border: none;
    border-radius: 16px;
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-slow);
    position: relative;
    overflow: hidden;
    transform: translateY(0);
}

.tab-button::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--gradient-purple) 0%, var(--gradient-cyan) 100%);
    opacity: 0;
    transition: opacity var(--transition-slow);
    z-index: -1;
}

.tab-button.active {
    background: linear-gradient(135deg, var(--gradient-purple) 0%, var(--gradient-cyan) 100%);
    color: var(--text-primary);
    font-weight: 600;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(123, 97, 255, 0.3);
}

.tab-button.active::before {
    opacity: 1;
}

.tab-button:not(.active):hover {
    background: var(--card-bg);
    color: var(--text-primary);
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.tab-text {
    position: relative;
    z-index: 1;
}

/* iOS-style Notification Badges */
.notification-badge {
    position: absolute;
    top: -8px;
    right: -8px;
    background: #ff3366;
    color: white;
    border-radius: 50%;
    min-width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 600;
    line-height: 1;
    padding: 0 4px;
    box-shadow: 0 2px 8px rgba(255, 51, 102, 0.4);
    border: 2px solid var(--primary-bg);
    z-index: 10;
    animation: badgePulse 0.3s ease-out;
}

.notification-badge.hidden {
    display: none !important;
}

@keyframes badgePulse {
    0% {
        transform: scale(0);
        opacity: 0;
    }
    50% {
        transform: scale(1.2);
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

/* Content Area */
.content-area {
    position: relative;
    min-height: 200px;
}

.tab-content {
    display: none;
    animation: fadeIn 0.3s ease-in-out;
}

.tab-content.active {
    display: block;
}

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

/* Enhanced Content Block */
.content-block {
    background: var(--card-bg);
    border-radius: 16px;
    padding: var(--spacing-lg);
    border: 1px solid var(--card-border);
    height: 280px;
    overflow-y: auto;
    overflow-x: hidden;
    position: relative;
    backdrop-filter: blur(10px);
    transition: all var(--transition-slow);
    scroll-behavior: smooth;
}

/* Custom scrollbar for content blocks */
.content-block::-webkit-scrollbar {
    width: 6px;
}

.content-block::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 3px;
}

.content-block::-webkit-scrollbar-thumb {
    background: var(--gradient-cyan);
    border-radius: 3px;
    transition: background 0.3s ease;
}

.content-block::-webkit-scrollbar-thumb:hover {
    background: var(--gradient-purple);
}

.content-block:hover {
    border-color: var(--gradient-cyan);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.1);
}

.content-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.content-title::before {
    content: '📝';
    font-size: 1.2rem;
}

.content-placeholder {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
    position: relative;
    animation: fadeInContent 1s ease-out;
}

.content-placeholder ul {
    margin: var(--spacing-sm) 0;
    padding-left: var(--spacing-md);
}

.content-placeholder li {
    margin: var(--spacing-xs) 0;
    list-style-type: disc;
}

.content-placeholder strong {
    color: var(--text-primary);
    font-weight: 600;
}

.content-placeholder em {
    color: var(--gradient-cyan);
    font-style: italic;
}

/* Q&A Items Styling */
.qa-item {
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    background: var(--surface-bg);
    border-radius: 12px;
    border-left: 3px solid var(--gradient-cyan);
}

.qa-question {
    color: var(--text-primary);
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
    line-height: 1.5;
}

.qa-answer {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-left: var(--spacing-sm);
}

.qa-question strong,
.qa-answer strong {
    color: var(--gradient-purple);
}

/* Fading effect for content overflow */
.content-block::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 40px;
    background: linear-gradient(transparent, var(--card-bg));
    pointer-events: none;
}

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

/* Search Modal */
.search-modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.search-modal.active {
    display: flex;
}

.search-modal-content {
    width: 90%;
    max-width: 400px;
    background: var(--card-bg);
    border-radius: 16px;
    border: 1px solid var(--card-border);
    padding: var(--spacing-lg);
    position: relative;
}

.search-input {
    width: 100%;
    padding: var(--spacing-md);
    background: var(--primary-bg);
    border: 1px solid var(--card-border);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 1rem;
    outline: none;
}

.search-input:focus {
    border-color: var(--gradient-cyan);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

.search-results {
    margin-top: var(--spacing-lg);
    max-height: 400px;
    overflow-y: auto;
}

.close-search {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    width: 32px;
    height: 32px;
    background: var(--primary-bg);
    border: 1px solid var(--card-border);
    border-radius: 50%;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

.close-search:hover {
    background: var(--card-border);
    color: var(--text-primary);
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    max-width: 300px;
}

/* Mobile Toast Positioning */
@media (max-width: 767px) {
    .toast-container {
        top: 80px;
        left: var(--spacing-md);
        right: var(--spacing-md);
        max-width: none;
        align-items: center;
    }
    
    .toast {
        min-width: auto;
        width: 100%;
        max-width: 320px;
        font-size: 0.9rem;
        padding: var(--spacing-sm) var(--spacing-md);
    }
}

.toast {
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    min-width: 250px;
    animation: slideInRight 0.3s ease;
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(100px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Enhanced Loading Overlay */
.loading-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 3000;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.loading-overlay.active {
    display: flex;
    opacity: 1;
}

.loader {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-lg);
}

.loader-spinner {
    display: flex;
    gap: var(--spacing-sm);
}

.loader-dot {
    width: 12px;
    height: 12px;
    background: var(--gradient-cyan);
    border-radius: 50%;
    animation: bounce 1.4s ease-in-out infinite both;
}

.loader-dot:nth-child(1) {
    animation-delay: -0.32s;
}

.loader-dot:nth-child(2) {
    animation-delay: -0.16s;
}

.loader-text {
    color: var(--text-primary);
    font-size: 0.9rem;
    font-weight: 500;
    text-align: center;
}

.loader-progress {
    width: 200px;
    height: 4px;
    background: var(--card-bg);
    border-radius: 2px;
    overflow: hidden;
    margin-top: var(--spacing-sm);
}

.loader-progress-bar {
    height: 100%;
    background: var(--gradient-cyan);
    border-radius: 2px;
    width: 0%;
    transition: width var(--transition-base);
}

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

/* Enhanced Mobile Responsiveness */
@media (max-width: 767px) {
    .mobile-layout {
        max-width: 100%;
        margin: 0;
        box-shadow: none;
        height: 100vh;
        overflow-y: auto;
        overflow-x: hidden;
    }
    
    .app-header-mobile {
        padding: var(--spacing-sm) var(--spacing-md);
        position: sticky;
        top: 0;
        z-index: 100;
        backdrop-filter: blur(10px);
    }
    
    .app-logo {
        width: 28px;
        height: 28px;
    }
    
    .app-title {
        font-size: 1rem;
    }
    
    .top-section {
        padding: var(--spacing-lg) var(--spacing-md);
        min-height: auto;
    }
    
    .bottom-section {
        padding: var(--spacing-lg) var(--spacing-md);
        min-height: auto;
    }
    
    .gradient-circle {
        width: 100px;
        height: 100px;
    }
    
    .transcription-area {
        min-height: 100px;
        padding: var(--spacing-sm);
    }
    
    .transcription-text {
        font-size: 0.85rem;
        line-height: 1.4;
    }
    
    .tab-button {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.85rem;
    }
    
    .content-block {
        padding: var(--spacing-md);
    }
    
    .listening-text {
        font-size: 0.9rem;
    }
}

/* Ultra-small screens */
@media (max-width: 360px) {
    .app-header-mobile {
        padding: var(--spacing-xs) var(--spacing-sm);
    }
    
    .app-logo {
        width: 24px;
        height: 24px;
    }
    
    .app-title {
        font-size: 0.9rem;
    }
    
    .top-section,
    .bottom-section {
        padding-left: var(--spacing-sm);
        padding-right: var(--spacing-sm);
    }
    
    .gradient-circle {
        width: 80px;
        height: 80px;
    }
    
    .transcription-area {
        min-height: 80px;
    }
    
    .transcription-text {
        font-size: 0.8rem;
    }
    
    .tab-button {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 0.8rem;
    }
    
    .content-block {
        height: 200px;
        padding: var(--spacing-md);
    }
}

/* Landscape Mode */
@media (max-width: 768px) and (orientation: landscape) {
    .mobile-layout {
        max-width: 100%;
        height: 100vh;
        overflow-y: auto;
    }
    
    .middle-section {
        padding: var(--spacing-md) 0;
    }
    
    .gradient-circle {
        width: 80px;
        height: 80px;
    }
    
    .bottom-section {
        padding-bottom: var(--spacing-md);
    }
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    :root {
        --card-border: #666666;
        --text-secondary: #e0e0e0;
        --text-dim: #aaaaaa;
    }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .gradient-circle {
        animation: none;
    }
}