/**
 * IELTS Assessment - Professional macOS-Inspired UI
 * Clean, sophisticated glassmorphism design
 */

/* ========================================
   CSS VARIABLES & THEME
   ======================================== */
:root {
    /* macOS-inspired color palette */
    --color-bg-primary: #f5f5f7;
    --color-bg-secondary: #ffffff;
    --color-bg-tertiary: #fafafa;
    
    /* Glass effects */
    --glass-bg: rgba(255, 255, 255, 0.72);
    --glass-border: rgba(255, 255, 255, 0.18);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
    --glass-shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.12);
    
    /* Accent colors - refined blue palette */
    --color-primary: #007aff;
    --color-primary-hover: #0051d5;
    --color-primary-light: rgba(0, 122, 255, 0.1);
    
    --color-success: #34c759;
    --color-warning: #ff9500;
    --color-error: #ff3b30;
    
    /* Text colors */
    --color-text-primary: #1d1d1f;
    --color-text-secondary: #6e6e73;
    --color-text-tertiary: #86868b;
    
    /* Scoring colors */
    --color-fluency: #007aff;
    --color-pronunciation: #af52de;
    --color-lexical: #ff2d55;
    --color-grammar: #34c759;
    
    /* Typography - SF Pro inspired */
    --font-primary: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Helvetica Neue", Arial, sans-serif;
    --font-mono: ui-monospace, "SF Mono", Monaco, "Cascadia Code", "Roboto Mono", Consolas, monospace;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 0.75rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 1rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Border radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-spring: 400ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ========================================
   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(--color-bg-primary);
    color: var(--color-text-primary);
    line-height: 1;
    overflow-x: hidden;
}

/* ========================================
   ANIMATED BACKGROUND
   ======================================== */
.background-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
    background: linear-gradient(135deg, #f5f5f7 0%, #e8e8ed 50%, #f5f5f7 100%);
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.3;
    animation: float 20s ease-in-out infinite;
}

.orb-1 {
    width: 500px;
    height: 500px;
    background: linear-gradient(135deg, #007aff 0%, #5856d6 100%);
    top: -10%;
    left: -10%;
    animation-delay: 0s;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, #ff2d55 0%, #af52de 100%);
    bottom: -10%;
    right: -10%;
    animation-delay: 7s;
}

.orb-3 {
    width: 350px;
    height: 350px;
    background: linear-gradient(135deg, #34c759 0%, #30d158 100%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: 14s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    33% {
        transform: translate(30px, -30px) scale(1.1);
    }
    66% {
        transform: translate(-20px, 20px) scale(0.9);
    }
}

/* ========================================
   GLASS NAVIGATION
   ======================================== */
.glass-nav {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--glass-bg);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--glass-border);
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.05);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0.5rem var(--spacing-xl);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-text-primary);
    letter-spacing: -0.02em;
}

.nav-brand i {
    font-size: 1.25rem;
    color: var(--color-primary);
}

.nav-links {
    display: flex;
    gap: var(--spacing-md);
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: 0.9375rem;
    font-weight: 500;
    transition: all var(--transition-base);
}

.nav-link:hover {
    background: var(--color-primary-light);
    color: var(--color-primary);
}

.nav-link i {
    font-size: 1rem;
}

/* ========================================
   LAYOUT
   ======================================== */
.main-content {
    min-height: calc(100vh - 60px);
    padding: var(--spacing-2xl) 0;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
}

.results-container {
    max-width: 1200px;
}

/* ========================================
   GLASS CARDS
   ======================================== */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-radius: var(--radius-lg);
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
    padding: var(--spacing-xl);
    transition: all var(--transition-base);
}

.glass-card:hover {
    box-shadow: var(--glass-shadow-lg);
    transform: translateY(-2px);
}

/* ========================================
   HERO SECTION
   ======================================== */
.hero-section {
    margin-bottom: var(--spacing-3xl);
}

.hero-card {
    text-align: center;
    padding: var(--spacing-3xl) var(--spacing-xl);
}

.hero-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-md);
    line-height: 1.1;
}

.pulse-icon {
    display: inline-block;
    color: var(--color-primary);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.05);
        opacity: 0.8;
    }
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xl);
    font-weight: 400;
}

.feature-badges {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    margin-top: var(--spacing-xl);
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    background: var(--color-bg-secondary);
    border: 1px solid rgba(0, 0, 0, 0.06);
    border-radius: var(--radius-full);
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-text-primary);
    transition: all var(--transition-base);
}

.badge:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.badge i {
    color: var(--color-primary);
}

/* ========================================
   UPLOAD SECTION
   ======================================== */
.upload-section {
    margin-bottom: var(--spacing-3xl);
}

.upload-card {
    overflow: visible !important;
    padding: var(--spacing-2xl);
}

.upload-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.upload-header h2 {
    font-size: 1.75rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
}

.upload-header h2 i {
    color: var(--color-primary);
    margin-right: 0.5rem;
}

.upload-header p {
    font-size: 1rem;
    color: var(--color-text-secondary);
}

.upload-area {
    border: 2px dashed rgba(0, 122, 255, 0.3);
    border-radius: var(--radius-lg);
    padding: var(--spacing-3xl) var(--spacing-xl);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-base);
    background: rgba(255, 255, 255, 0.4);
}

.upload-area:hover,
.upload-area.drag-over {
    border-color: var(--color-primary);
    background: var(--color-primary-light);
    transform: scale(1.01);
}

.upload-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
}

.upload-icon {
    font-size: 4rem;
    color: var(--color-primary);
    opacity: 0.8;
}

.upload-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text-primary);
}

.upload-content p {
    font-size: 1rem;
    color: var(--color-text-secondary);
}

.supported-formats {
    margin-top: var(--spacing-sm);
    padding: 0.5rem 1rem;
    background: rgba(0, 0, 0, 0.03);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    color: var(--color-text-tertiary);
}

.file-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    background: var(--color-bg-secondary);
    border: 1px solid rgba(0, 0, 0, 0.06);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
}

.file-details {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.success-icon {
    font-size: 1.5rem;
    color: var(--color-success);
}

.file-name-container {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.file-name-container strong {
    font-weight: 600;
    color: var(--color-text-primary);
    font-size: 1rem;
}

.file-name-container span {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

.btn-icon {
    width: 2.5rem;
    height: 2.5rem;
    border: none;
    background: transparent;
    color: var(--color-text-tertiary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.btn-icon:hover {
    background: rgba(0, 0, 0, 0.05);
    color: var(--color-error);
}

/* ========================================
   BUTTONS
   ======================================== */
.btn-primary,
.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.625rem;
    padding: 0.875rem 2rem;
    border: none;
    border-radius: var(--radius-full);
    font-size: 1rem;
    font-weight: 600;
    font-family: var(--font-primary);
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
}

.btn-primary {
    background: var(--color-primary);
    color: white;
    box-shadow: 0 2px 8px rgba(0, 122, 255, 0.3);
}

.btn-primary:hover {
    background: var(--color-primary-hover);
    box-shadow: 0 4px 16px rgba(0, 122, 255, 0.4);
    transform: translateY(-1px);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background: var(--color-bg-secondary);
    color: var(--color-text-primary);
    border: 1px solid rgba(0, 0, 0, 0.1);
}

.btn-secondary:hover {
    background: var(--color-bg-tertiary);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transform: translateY(-1px);
}

.btn-large {
    width: 100%;
    padding: 1.125rem 2rem;
    font-size: 1.125rem;
    margin-top: var(--spacing-lg);
}

/* ========================================
   FEATURES SECTION
   ======================================== */
.features-section {
    margin-bottom: var(--spacing-3xl);
}

.section-title {
    font-size: 1.75rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    text-align: center;
    margin-bottom: var(--spacing-xl);
    color: var(--color-text-primary);
}

.section-title i {
    color: var(--color-primary);
    margin-right: 0.5rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.feature-item {
    text-align: center;
    padding: var(--spacing-xl);
    transition: all var(--transition-base);
}

.feature-item:hover {
    transform: translateY(-4px);
}

.feature-icon {
    width: 4rem;
    height: 4rem;
    margin: 0 auto var(--spacing-md);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    color: white;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

.feature-item h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
}

.feature-item p {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
}

/* ========================================
   HOW IT WORKS
   ======================================== */
.how-it-works-section {
    margin-bottom: var(--spacing-3xl);
}

.steps-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
    margin-top: var(--spacing-xl);
}

.step {
    flex: 1;
    min-width: 200px;
    text-align: center;
    padding: var(--spacing-lg);
}

.step-number {
    width: 3.5rem;
    height: 3.5rem;
    margin: 0 auto var(--spacing-md);
    border-radius: 50%;
    background: var(--color-primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    box-shadow: 0 4px 16px rgba(0, 122, 255, 0.3);
}

.step h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
}

.step p {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
}

.step-arrow {
    font-size: 1.5rem;
    color: var(--color-text-tertiary);
}

/* ========================================
   RESULTS PAGE - OVERALL SCORE
   ======================================== */
.overall-score-section {
    margin-bottom: var(--spacing-2xl);
}

.overall-card {
    padding: var(--spacing-3xl) var(--spacing-2xl);
}

.overall-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.overall-header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
}

.overall-header p {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
}

.overall-score {
    display: flex;
    justify-content: center;
}

.score-display {
    display: flex;
    align-items: center;
    gap: var(--spacing-2xl);
}

.score-circle {
    position: relative;
    width: 200px;
    height: 200px;
}

.score-value {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 4rem;
    font-weight: 700;
    color: var(--color-primary);
    font-variant-numeric: tabular-nums;
}

.score-info h2 {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
}

.score-info p {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    max-width: 400px;
}

/* ========================================
   COMPONENT SCORES
   ======================================== */
.component-scores-section {
    margin-bottom: var(--spacing-2xl);
}

.scores-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.score-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: rgba(255, 255, 255, 0.5);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.score-item:hover {
    background: rgba(255, 255, 255, 0.8);
    transform: translateY(-2px);
}

.score-icon {
    width: 3.5rem;
    height: 3.5rem;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    flex-shrink: 0;
}

.fluency-icon {
    background: var(--color-fluency);
}

.pronunciation-icon {
    background: var(--color-pronunciation);
}

.lexical-icon {
    background: var(--color-lexical);
}

.grammar-icon {
    background: var(--color-grammar);
}

.score-content {
    flex: 1;
}

.score-content h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
}

.score-bar-container {
    height: 8px;
    background: rgba(0, 0, 0, 0.06);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin-bottom: var(--spacing-sm);
}

.score-bar {
    height: 100%;
    border-radius: var(--radius-full);
    transition: width var(--transition-slow);
}

.score-number {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text-primary);
    font-variant-numeric: tabular-nums;
}

/* ========================================
   CHARTS SECTION
   ======================================== */
.charts-section {
    margin-bottom: var(--spacing-2xl);
}

.charts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-lg);
}

.card-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    color: var(--color-text-primary);
}

.card-title i {
    color: var(--color-primary);
    margin-right: 0.5rem;
}

.metrics-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.metric-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.5);
    border-radius: var(--radius-sm);
}

.metric-label {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
}

.metric-value {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-text-primary);
    font-variant-numeric: tabular-nums;
}

/* ========================================
   TABS
   ======================================== */
.analysis-section {
    margin-bottom: var(--spacing-2xl);
}

.tabs-container {
    margin-top: var(--spacing-xl);
}

.tabs {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.tab-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: var(--spacing-md) var(--spacing-lg);
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--color-text-secondary);
    font-size: 0.9375rem;
    font-weight: 500;
    font-family: var(--font-primary);
    cursor: pointer;
    white-space: nowrap;
    transition: all var(--transition-base);
}

.tab-btn:hover {
    color: var(--color-text-primary);
    background: rgba(0, 0, 0, 0.02);
}

.tab-btn.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

.tab-pane {
    display: none;
}

.tab-pane.active {
    display: block;
    animation: fadeIn var(--transition-base);
}

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

.tab-pane h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    color: var(--color-text-primary);
}

.analysis-grid,
.metrics-grid {
    display: grid;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.metrics-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

/* ========================================
   TRANSCRIPT
   ======================================== */
.transcript-container {
    padding: var(--spacing-xl);
    background: rgba(255, 255, 255, 0.5);
    border-radius: var(--radius-md);
    max-height: 600px;
    overflow-y: auto;
    font-family: var(--font-mono);
    font-size: 0.9375rem;
    line-height: 1.8;
    color: var(--color-text-primary);
}

.transcript-container::-webkit-scrollbar {
    width: 8px;
}

.transcript-container::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.05);
    border-radius: var(--radius-sm);
}

.transcript-container::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.2);
    border-radius: var(--radius-sm);
}

.transcript-container::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 0, 0, 0.3);
}

/* ========================================
   RECOMMENDATIONS
   ======================================== */
.recommendations-section {
    margin-bottom: var(--spacing-2xl);
}

.recommendations-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

/* ========================================
   ENHANCED RECOMMENDATIONS DASHBOARD
   ======================================== */
.recommendation-card {
    padding: var(--spacing-xl);
    background: rgba(255, 255, 255, 0.4);
    border-radius: var(--radius-lg);
    border: 1px solid var(--glass-border);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.recommendation-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.6);
}

.card-subtitle {
    font-size: 0.85rem;
    color: var(--color-text-tertiary);
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.strengths-card { border-left: 5px solid var(--color-success); }
.improvements-card { border-left: 5px solid var(--color-warning); }

.recommendation-card ul {
    list-style: none;
    padding: 0;
}

.recommendation-card li {
    padding: var(--spacing-sm) 0 var(--spacing-sm) 1.5rem;
    position: relative;
    border-bottom: 1px solid rgba(0,0,0,0.05);
    color: var(--color-text-secondary);
}

.recommendation-card li:last-child { border-bottom: none; }

.strengths-card li::before {
    content: "\f00c"; font-family: "Font Awesome 5 Free"; font-weight: 900;
    position: absolute; left: 0; color: var(--color-success);
}

.improvements-card li::before {
    content: "\f062"; font-family: "Font Awesome 5 Free"; font-weight: 900;
    position: absolute; left: 0; color: var(--color-warning);
}

/* AI Suggestions Grid */
.suggestions-container { margin-top: var(--spacing-2xl); }
.suggestions-title {
    font-size: 1.25rem; margin-bottom: var(--spacing-lg);
    color: var(--color-text-primary); text-align: center;
}

.suggestions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.suggestion-item {
    background: white;
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    box-shadow: 0 2px 10px rgba(0,0,0,0.03);
    border-left: 4px solid var(--color-primary);
}

/* ========================================
   ACTIONS
   ======================================== */
.actions-section {
    margin-bottom: var(--spacing-3xl);
}

.action-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* ========================================
   LOADING OVERLAY
   ======================================== */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(245, 245, 247, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.loading-card {
    text-align: center;
    padding: var(--spacing-3xl);
    max-width: 400px;
}

.loading-spinner {
    width: 60px;
    height: 60px;
    margin: 0 auto var(--spacing-xl);
    border: 4px solid rgba(0, 122, 255, 0.2);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.loading-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
}

.loading-card p {
    font-size: 1rem;
    color: var(--color-text-secondary);
}

/* ========================================
   FOOTER
   ======================================== */
.glass-footer {
    background: var(--glass-bg);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-top: 1px solid var(--glass-border);
    padding: var(--spacing-xl) 0;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
    text-align: center;
}

.footer-content p {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */
@media (max-width: 768px) {
    :root {
        --spacing-xl: 1.5rem;
        --spacing-2xl: 2rem;
        --spacing-3xl: 2.5rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .nav-brand span {
        display: none;
    }
    
    .nav-link span {
        display: none;
    }
    
    .score-display {
        flex-direction: column;
        text-align: center;
    }
    
    .score-info {
        text-align: center;
    }
    
    .overall-header h1 {
        font-size: 2rem;
    }
    
    .steps-container {
        flex-direction: column;
    }
    
    .step-arrow {
        transform: rotate(90deg);
    }
    
    .charts-grid,
    .recommendations-grid {
        grid-template-columns: 1fr;
    }
    
    .tabs {
        gap: 0;
    }
    
    .tab-btn {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.875rem;
    }
    
    .tab-btn i {
        display: none;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .glass-card {
        padding: var(--spacing-lg);
    }
    
    .upload-card {
        padding: var(--spacing-lg);
    }
    
    .feature-badges {
        flex-direction: column;
    }
    
    .badge {
        width: 100%;
        justify-content: center;
    }
}

/* ========================================
   PRINT STYLES
   ======================================== */
@media print {
    body {
        background: white;
    }
    
    .background-container,
    .glass-nav,
    .glass-footer,
    .action-buttons {
        display: none;
    }
    
    .glass-card {
        box-shadow: none;
        border: 1px solid #ddd;
        page-break-inside: avoid;
    }
}

#processBtn {
    display: none;
}

#processBtn.show {
    display: inline-flex !important;
    align-items: center;
    justify-content: center;

    opacity: 1 !important;
    visibility: visible !important;
    transform: none !important;

    margin-top: 24px;
    padding: 14px 28px;

    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
}

/* ========================================
   QUESTION INPUT STYLING
   ======================================== */
.question-section {
    margin-bottom: var(--spacing-xl);
    text-align: left;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

.section-header label {
    font-size: 0.95rem;
    color: var(--color-text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.section-header label i {
    color: var(--color-primary);
}

.helper-text {
    font-size: 0.8rem;
    color: var(--color-text-tertiary);
}

.question-textarea {
    width: 100%;
    padding: var(--spacing-md) 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-md);
    color: var(--color-text-primary);
    font-family: var(--font-primary);
    font-size: 1rem;
    line-height: 1.5;
    resize: vertical;
    transition: all var(--transition-base);
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.02);
}

.question-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    background: white;
    box-shadow: 0 0 0 4px var(--color-primary-light);
}

.question-textarea::placeholder {
    color: var(--color-text-tertiary);
    opacity: 0.6;
}

/* Live Recording UI */
.recording-section {
    margin-bottom: var(--spacing-lg);
    display: flex;
    justify-content: center;
}

.recording-controls {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.recording-status {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(255, 59, 48, 0.1);
    border-radius: var(--radius-full);
    color: var(--color-error);
    font-weight: 600;
}

.pulse-red {
    width: 10px;
    height: 10px;
    background-color: var(--color-error);
    border-radius: 50%;
    animation: blink 1s infinite;
}

@keyframes blink {
    0% { opacity: 1; }
    50% { opacity: 0.3; }
    100% { opacity: 1; }
}

.divider {
    display: flex;
    align-items: center;
    text-align: center;
    margin: var(--spacing-lg) 0;
    color: var(--color-text-tertiary);
}

.divider::before, .divider::after {
    content: '';
    flex: 1;
    border-bottom: 1px solid var(--glass-border);
}

.divider span {
    padding: 0 10px;
    font-size: 0.8rem;
    font-weight: 600;
}

.btn-error {
    background: var(--color-error);
    color: white;
    padding: 0.5rem 1.25rem;
    border-radius: var(--radius-full);
    border: none;
    cursor: pointer;
    font-weight: 600;
}

/* ===============================
   RESULTS PAGE - GLASS TABLE
================================= */

.table-wrapper {
    overflow-x: auto;
    margin-top: 20px;
}

/* Main Table */
.glass-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 10px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 12px;
    overflow: hidden;
}

/* Header */
.glass-table th {
    text-align: left;
    padding: 16px;
    font-weight: 600;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    background: rgba(255,255,255,0.05);
}

/* Body Cells */
.glass-table td {
    padding: 14px 16px;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    font-size: 14px;
}

/* Hover Effect */
.glass-table tr:hover {
    background: rgba(255,255,255,0.05);
    transition: 0.3s ease;
}

/* ===============================
   STATUS BADGES
================================= */

.badge-success {
    color: #34c759;
    font-weight: 600;
}

.badge-warning {
    color: #ffcc00;
    font-weight: 600;
}

.badge-danger {
    color: #ff4d4d;
    font-weight: 600;
}

/* ===============================
   VIEW BUTTON
================================= */

.btn-view {
    padding: 6px 14px;
    background: rgba(255,255,255,0.1);
    border-radius: 8px;
    text-decoration: none;
    font-size: 13px;
    transition: all 0.3s ease;
    display: inline-block;
}

.btn-view:hover {
    background: rgba(255,255,255,0.2);
    transform: translateY(-2px);
}

/* ===============================
   DATATABLES GLASS STYLE
================================= */

/* Wrapper */
.dataTables_wrapper {
    margin-top: 20px;
    color: rgb(0, 0, 0);
}

/* Top Controls (Search + Length) */
.dataTables_wrapper .dataTables_filter,
.dataTables_wrapper .dataTables_length {
    margin-bottom: 15px;
}

/* Search Input */
.dataTables_wrapper .dataTables_filter input {
    background: rgba(255,255,255,0.1);
    border: none;
    padding: 6px 10px;
    border-radius: 6px;
    color: white;
    outline: none;
    margin-left: 8px;
}

/* Length Dropdown */
.dataTables_wrapper .dataTables_length select {
    background: rgba(255,255,255,0.1);
    border: none;
    padding: 4px 8px;
    border-radius: 6px;
    color: white;
    outline: none;
}

/* Pagination Container */
.dataTables_wrapper .dataTables_paginate {
    margin-top: 20px;
}

/* Pagination Buttons */
.dataTables_wrapper .paginate_button {
    background: rgba(255,255,255,0.08) !important;
    border: none !important;
    color: white !important;
    margin: 0 3px;
    border-radius: 6px;
    padding: 6px 12px;
    transition: all 0.3s ease;
}

.dataTables_wrapper .paginate_button:hover {
    background: rgba(255,255,255,0.2) !important;
}

/* Active Page */
.dataTables_wrapper .paginate_button.current {
    background: linear-gradient(135deg, #667eea, #764ba2) !important;
    color: white !important;
}

/* Table Info (Showing 1 to 10 of X entries) */
.dataTables_wrapper .dataTables_info {
    margin-top: 15px;
    font-size: 13px;
    opacity: 0.8;
}

/* Sorting Icons Adjust */
table.dataTable thead th {
    position: relative;
}

/* Remove default background */
table.dataTable.no-footer {
    border-bottom: none;
}

/* Responsive Fix */
@media (max-width: 768px) {
    .glass-table th,
    .glass-table td {
        padding: 10px;
        font-size: 12px;
    }
}

.brand-logo {
    height: 32px;
    width: auto;
}