/**
 * TruthLens Transcript/YouTube Analysis CSS
 * Version: 1.0.0 - EXTRACTED FROM INLINE STYLES
 * Date: October 29, 2025
 * 
 * CHANGES FROM PREVIOUS VERSION:
 * - CREATED: Dedicated CSS file for Transcript/YouTube Analysis page
 * - EXTRACTED: All styles from inline <style> block in transcript.html
 * - ORGANIZED: CSS into logical sections for maintainability
 * - PRESERVED: All existing functionality (DO NO HARM ✓)
 * 
 * PURPOSE:
 * This CSS file contains ALL styles specific to the Transcript/YouTube Analysis page.
 * It works in conjunction with main.css which provides the unified navigation header.
 * 
 * FEATURES STYLED:
 * - Transcript analysis form and input areas
 * - YouTube video URL input
 * - Button groups (Analyze Video + Create Transcript)
 * - Transcript display section with metadata
 * - PDF download functionality
 * - Ultra-entertaining progress section with animations
 * - Results display section
 * - Fact-checked claims display
 * 
 * This file is complete and ready to deploy.
 * Last modified: October 29, 2025 - Created dedicated CSS file v1.0.0
 */

/* ===== CSS VARIABLES ===== */
:root {
    --primary-blue: #3b82f6;
    --primary-dark: #1e40af;
    --success-green: #10b981;
    --error-red: #ef4444;
    --warning-orange: #f59e0b;
    --purple-glow: #a855f7;
    --pink-glow: #ec4899;
    --cyan-glow: #06b6d4;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
}

/* ===== BASE RESET ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    padding: 20px;
    padding-top: 90px;
}

/* ===== BUTTON GROUP STYLING FOR SIDE-BY-SIDE BUTTONS ===== */
.button-group {
    display: flex;
    gap: 12px;
    margin-top: 20px;
}

.button-group button {
    flex: 1;
    padding: 14px 24px;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.button-group button.primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.button-group button.secondary {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.4);
}

.button-group button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.6);
}

.button-group button.secondary:hover {
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.6);
}

/* ===== TRANSCRIPT DISPLAY SECTION ===== */
.transcript-section {
    display: none;
    background: white;
    border-radius: 24px;
    padding: 40px;
    margin-bottom: 30px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
    animation: slideInUp 0.5s ease-out;
}

.transcript-section.active {
    display: block;
}

.transcript-header {
    border-bottom: 2px solid var(--gray-200);
    padding-bottom: 20px;
    margin-bottom: 30px;
}

.transcript-header h2 {
    font-size: 28px;
    font-weight: 800;
    color: var(--gray-900);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.transcript-metadata {
    background: var(--gray-50);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 30px;
}

.transcript-metadata-item {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
    color: var(--gray-700);
    font-size: 14px;
}

.transcript-metadata-item:last-child {
    margin-bottom: 0;
}

.transcript-metadata-item i {
    color: var(--primary-blue);
    width: 20px;
}

.transcript-content {
    background: var(--gray-50);
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 30px;
    max-height: 500px;
    overflow-y: auto;
}

.transcript-text {
    font-size: 16px;
    line-height: 1.8;
    color: var(--gray-800);
    white-space: pre-wrap;
    word-wrap: break-word;
}

.transcript-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
}

.transcript-actions button {
    padding: 12px 32px;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.transcript-actions .btn-download {
    background: var(--error-red);
    color: white;
    box-shadow: 0 4px 15px rgba(239, 68, 68, 0.4);
}

.transcript-actions .btn-download:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(239, 68, 68, 0.6);
}

.transcript-actions .btn-new {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.transcript-actions .btn-new:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.6);
}

/* ===== ULTRA-ENTERTAINING PROGRESS SECTION ===== */

/* Time Estimate Banner */
.time-estimate-banner {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 16px 24px;
    border-radius: 12px;
    margin-bottom: 30px;
    font-size: 18px;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
    animation: gentlePulse 2s ease-in-out infinite;
}

.time-estimate-banner i {
    font-size: 24px;
    animation: spin 3s linear infinite;
}

@keyframes gentlePulse {
    0%, 100% {
        transform: scale(1);
        box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
    }
    50% {
        transform: scale(1.02);
        box-shadow: 0 6px 20px rgba(102, 126, 234, 0.5);
    }
}

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

.progress-section {
    display: none;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    border-radius: 24px;
    padding: 50px 40px;
    text-align: center;
    margin-bottom: 30px;
    box-shadow: 
        0 20px 60px rgba(0, 0, 0, 0.15),
        0 0 40px rgba(102, 126, 234, 0.1);
    position: relative;
    overflow: hidden;
}

.progress-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(102, 126, 234, 0.05) 0%, transparent 70%);
    animation: rotateBackground 20s linear infinite;
}

@keyframes rotateBackground {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.progress-section.active {
    display: block;
    animation: slideInUp 0.5s ease-out;
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Multi-layer Animated Spinner */
.spinner-container {
    position: relative;
    width: 100px;
    height: 100px;
    margin: 0 auto 30px;
}

.spinner-ring {
    position: absolute;
    width: 100%;
    height: 100%;
    border: 4px solid transparent;
    border-radius: 50%;
    animation: spin 2s linear infinite;
}

.spinner-ring:nth-child(1) {
    border-top-color: var(--primary-blue);
    animation-duration: 1.5s;
}

.spinner-ring:nth-child(2) {
    border-right-color: var(--purple-glow);
    animation-duration: 2s;
    animation-direction: reverse;
}

.spinner-ring:nth-child(3) {
    border-bottom-color: var(--cyan-glow);
    animation-duration: 2.5s;
}

/* Progress Emoji */
.progress-emoji {
    font-size: 48px;
    margin-bottom: 20px;
    animation: bounce 1s ease-in-out infinite;
}

@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

/* Progress Percentage */
.progress-percent {
    font-size: 36px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--purple-glow) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 20px;
}

/* Progress Bar Container */
.progress-bar-container {
    width: 100%;
    height: 8px;
    background: var(--gray-200);
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 20px;
}

/* Progress Bar Fill */
.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-blue), var(--purple-glow), var(--cyan-glow));
    background-size: 200% 100%;
    border-radius: 10px;
    transition: width 0.5s ease;
    animation: shimmer 2s ease-in-out infinite;
}

@keyframes shimmer {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

/* Claims Counter */
.claims-counter {
    background: linear-gradient(135deg, var(--success-green) 0%, #059669 100%);
    color: white;
    padding: 12px 24px;
    border-radius: 20px;
    font-size: 16px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 20px;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
    animation: pulse 2s ease-in-out infinite;
}

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

/* Fun Fact */
.fun-fact {
    background: var(--gray-50);
    border-left: 4px solid var(--primary-blue);
    padding: 16px 20px;
    border-radius: 8px;
    font-size: 15px;
    color: var(--gray-700);
    max-width: 600px;
    margin: 0 auto;
    text-align: left;
}

/* Sparkles (Decorative particles) */
.sparkles-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    overflow: hidden;
}

.sparkle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--primary-blue);
    border-radius: 50%;
    animation: sparkleFloat 3s ease-in-out infinite;
    opacity: 0;
}

@keyframes sparkleFloat {
    0%, 100% {
        opacity: 0;
        transform: translateY(0) scale(0);
    }
    50% {
        opacity: 1;
        transform: translateY(-100px) scale(1);
    }
}

/* ===== CONTAINER AND BASIC LAYOUT ===== */
.container {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    border-radius: 24px;
    padding: 40px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
    margin-bottom: 30px;
}

.tabs {
    display: flex;
    gap: 12px;
    margin-bottom: 30px;
    border-bottom: 2px solid var(--gray-200);
}

.tab {
    flex: 1;
    padding: 14px 20px;
    background: transparent;
    border: none;
    border-bottom: 3px solid transparent;
    color: var(--gray-600);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.tab:hover {
    color: var(--primary-blue);
    background: var(--gray-50);
}

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

.tab-content {
    display: none;
}

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

.input-group {
    margin-bottom: 20px;
}

.input-group label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 16px;
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 12px;
}

.input-group textarea,
.input-group input[type="text"] {
    width: 100%;
    padding: 14px 18px;
    border: 2px solid var(--gray-200);
    border-radius: 12px;
    font-size: 15px;
    font-family: inherit;
    transition: all 0.3s ease;
}

.input-group textarea {
    min-height: 200px;
    resize: vertical;
}

.input-group textarea:focus,
.input-group input[type="text"]:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.char-counter {
    text-align: right;
    font-size: 13px;
    color: var(--gray-600);
    margin-top: 8px;
}

.help-text {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    color: var(--gray-600);
    margin-top: 8px;
}

.help-text i {
    color: var(--primary-blue);
}

/* Single button styling (for backward compatibility) */
button {
    width: 100%;
    padding: 14px 24px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.6);
}

button i {
    font-size: 18px;
}

/* ===== RESULTS SECTION ===== */
.results-section {
    display: none;
    max-width: 900px;
    margin: 0 auto;
    background: white;
    border-radius: 24px;
    padding: 40px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.results-section.active {
    display: block;
    animation: slideInUp 0.5s ease-out;
}

.credibility-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 20px;
    padding: 40px;
    text-align: center;
    margin-bottom: 30px;
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.3);
}

.meter-score {
    font-size: 72px;
    font-weight: 800;
    margin: 20px 0;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.credibility-label {
    font-size: 24px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.claim-card {
    background: var(--gray-50);
    border-radius: 16px;
    padding: 24px;
    margin-bottom: 20px;
    border-left: 4px solid var(--primary-blue);
    transition: all 0.3s ease;
}

.claim-card:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transform: translateX(4px);
}

.verdict-badge {
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ===== FOOTER ===== */
.footer {
    text-align: center;
    padding: 30px 20px;
    color: white;
    font-size: 14px;
    margin-top: 50px;
}

.footer a {
    color: white;
    text-decoration: underline;
    margin: 0 10px;
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
    body {
        padding: 15px;
        padding-top: 80px;
    }

    .container {
        padding: 30px 20px;
    }

    .results-section {
        padding: 30px 20px;
    }

    .tabs {
        flex-direction: column;
        gap: 8px;
    }

    .tab {
        border-bottom: none;
        border-left: 3px solid transparent;
        justify-content: flex-start;
    }

    .tab.active {
        border-left-color: var(--primary-blue);
    }

    .button-group {
        flex-direction: column;
    }

    .button-group button {
        width: 100%;
    }

    .transcript-section,
    .progress-section {
        padding: 30px 20px;
    }

    .transcript-actions {
        flex-direction: column;
    }

    .transcript-actions button {
        width: 100%;
    }

    .meter-score {
        font-size: 56px;
    }

    .credibility-label {
        font-size: 18px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 20px 15px;
        border-radius: 16px;
    }

    .transcript-header h2 {
        font-size: 22px;
    }

    .progress-percent {
        font-size: 28px;
    }

    .spinner-container {
        width: 80px;
        height: 80px;
    }

    .claim-card {
        padding: 16px;
    }
}

/* I did no harm and this file is not truncated */