/**
 * GSMDatabase Panic Analyzer - Optimized Styles
 * Clean, readable, and well-structured design
 */

:root {
    /* Primary Colors - High Contrast */
    --primary-600: #0066CC;
    --primary-700: #0052A3;
    --primary-800: #003D7A;
    
    /* Semantic Colors */
    --success: #059669;
    --warning: #D97706;
    --error: #DC2626;
    --info: #0284C7;
    
    /* Neutral Colors - Better Contrast */
    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-400: #9CA3AF;
    --gray-500: #6B7280;
    --gray-600: #4B5563;
    --gray-700: #374151;
    --gray-800: #1F2937;
    --gray-900: #111827;
    
    /* Text Colors */
    --text-primary: #111827;
    --text-secondary: #4B5563;
    --text-tertiary: #6B7280;
    --text-muted: #9CA3AF;
    --text-inverse: #FFFFFF;
    
    /* Background Colors */
    --bg-page: #F3F4F6;
    --bg-card: rgba(255, 255, 255, 0.95);
    --bg-hover: #F9FAFB;
    
    /* Spacing System */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    
    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'SF Mono', Monaco, Consolas, monospace;
    
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    
    /* Font Weights */
    --font-normal: 400;
    --font-medium: 500;
    --font-semibold: 600;
    --font-bold: 700;
    --font-extrabold: 800;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
}

/* Top Banner */
.top-banner {
    background: linear-gradient(135deg, #4F46E5 0%, #3B82F6 100%);
    color: white;
    padding: 12px 0;
    text-align: center;
    font-size: 14px;
    position: relative;
}

.top-banner .close-btn {
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: white;
    font-size: 18px;
    cursor: pointer;
}

/* Hero Section */
.panic-hero {
    background: linear-gradient(135deg, #1E293B 0%, #334155 50%, #475569 100%);
    color: white;
    padding: 80px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.panic-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 2;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero-icon {
    width: 80px;
    height: 80px;
    background: rgba(255,255,255,0.1);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 30px;
    backdrop-filter: blur(10px);
}

.hero-icon svg {
    width: 40px;
    height: 40px;
    color: white;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: bold;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-title .highlight {
    background: linear-gradient(135deg, #3B82F6 0%, #8B5CF6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 40px;
    opacity: 0.9;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Main Container */
.panic-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 60px 20px 40px 20px;
    background: linear-gradient(180deg, #1E293B 0%, #0F172A 100%);
    position: relative;
}

.panic-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 200px;
    background: linear-gradient(180deg, rgba(30, 41, 59, 0.8) 0%, transparent 100%);
    pointer-events: none;
}

.panic-main {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 40px;
    margin-bottom: 60px;
    position: relative;
    z-index: 1;
}

@media (max-width: 1024px) {
    .panic-main {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .panic-hero {
        padding: 60px 0;
    }
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background: #0F172A;
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    position: relative;
}

/* Skip Link for Accessibility */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--primary-600);
    color: white;
    padding: 8px 16px;
    z-index: 9999;
    text-decoration: none;
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: 8px;
}

/* Background Shapes */
.background-shapes {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
}

.shape-1 {
    width: 500px;
    height: 500px;
    background: linear-gradient(135deg, #3B82F6, #8B5CF6);
    top: -200px;
    right: -100px;
}

.shape-2 {
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, #10B981, #3B82F6);
    bottom: 20%;
    left: -100px;
}

.shape-3 {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, #F59E0B, #EF4444);
    bottom: -100px;
    right: 30%;
}

/* Container */
.container {
    position: relative;
    z-index: 1;
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--space-8) var(--space-4);
}

/* Header */
.header {
    text-align: center;
    margin-bottom: var(--space-12);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
}

.logo-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary-600), #7C3AED);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: var(--shadow-lg);
}

.logo-icon svg {
    width: 28px;
    height: 28px;
}

.logo h1 {
    font-size: var(--text-3xl);
    font-weight: var(--font-extrabold);
    color: var(--text-primary);
    letter-spacing: -0.025em;
    line-height: 1.2;
}

.logo h1 span {
    color: var(--primary-600);
}

.subtitle {
    font-size: var(--text-lg);
    color: var(--text-secondary);
    line-height: 1.6;
    font-weight: var(--font-normal);
}

/* Main Layout Grid */
.main-content {
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: var(--space-8);
    align-items: start;
}

.content-column {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.sidebar-column {
    position: static;
}

.full-width-column {
    grid-column: 1 / -1;
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

/* Glass Card Base */
.glass-card {
    background: rgba(30, 41, 59, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(71, 85, 105, 0.5);
    border-radius: var(--radius-2xl);
    padding: var(--space-8);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.glass-card:hover {
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.7);
    border-color: rgba(99, 102, 241, 0.4);
}

/* Section Headers */
.section-header {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    margin-bottom: var(--space-6);
}

.section-icon {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, var(--primary-600), #7C3AED);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    flex-shrink: 0;
}

.section-icon.help-icon {
    background: linear-gradient(135deg, var(--warning), #F59E0B);
}

.section-icon.guide-icon {
    background: linear-gradient(135deg, var(--info), #0EA5E9);
}

.section-icon svg {
    width: 22px;
    height: 22px;
    stroke-width: 2;
}

.section-header h2,
.section-header h3 {
    font-size: var(--text-xl);
    font-weight: var(--font-bold);
    color: var(--text-primary);
    margin: 0;
}

.section-subtitle {
    font-size: var(--text-sm);
    color: var(--text-tertiary);
    margin-top: var(--space-1);
    margin-bottom: 0;
}

/* Upload Card Specifics */
.upload-header {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    margin-bottom: var(--space-6);
    padding-bottom: var(--space-6);
    border-bottom: 1px solid rgba(71, 85, 105, 0.5);
}

.upload-icon-header {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary-600), #6366F1);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: var(--shadow-md);
}

.upload-icon-header svg {
    width: 24px;
    height: 24px;
}

.upload-title h2 {
    font-size: var(--text-2xl);
    font-weight: var(--font-bold);
    color: #F1F5F9;
    margin: 0 0 var(--space-1) 0;
}

.upload-subtitle {
    font-size: var(--text-base);
    color: #94A3B8;
    margin: 0;
}

/* Dropzone */
.dropzone {
    min-height: 280px;
    border: 2px dashed rgba(99, 102, 241, 0.5);
    border-radius: var(--radius-xl);
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(139, 92, 246, 0.1));
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    margin-bottom: var(--space-6);
}

.dropzone:hover {
    border-color: var(--primary-600);
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.06), rgba(139, 92, 246, 0.06));
    transform: translateY(-2px);
}

.dropzone.drag-over {
    border-color: var(--primary-600);
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(139, 92, 246, 0.1));
    transform: scale(1.02);
}

.dropzone input[type="file"] {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
}

.dropzone-content {
    text-align: center;
    padding: var(--space-8);
    pointer-events: none;
}

.dropzone-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--primary-600), #6366F1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    margin: 0 auto var(--space-6);
    box-shadow: var(--shadow-lg);
}

.dropzone-icon svg {
    width: 32px;
    height: 32px;
}

.dropzone h3 {
    font-size: var(--text-xl);
    font-weight: var(--font-semibold);
    color: #F1F5F9;
    margin-bottom: var(--space-2);
}

.dropzone p {
    font-size: var(--text-base);
    color: #94A3B8;
    margin-bottom: var(--space-4);
}

.file-types {
    display: inline-block;
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: #CBD5E1;
    background: rgba(51, 65, 85, 0.8);
    padding: var(--space-2) var(--space-4);
    border-radius: 9999px;
    border: 1px solid rgba(71, 85, 105, 0.5);
    box-shadow: var(--shadow-sm);
}

/* File Info */
.file-info {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-4);
    background: rgba(51, 65, 85, 0.6);
    border: 1px solid rgba(71, 85, 105, 0.5);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-6);
}

.file-icon {
    width: 48px;
    height: 48px;
    background: var(--primary-600);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    flex-shrink: 0;
}

.file-icon svg {
    width: 24px;
    height: 24px;
}

.file-details {
    flex: 1;
    min-width: 0;
}

.file-name {
    display: block;
    font-weight: var(--font-semibold);
    color: #F1F5F9;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-size: var(--text-base);
    margin-bottom: var(--space-1);
}

.file-size {
    font-size: var(--text-sm);
    color: #94A3B8;
}

.remove-file {
    width: 36px;
    height: 36px;
    border: none;
    background: rgba(71, 85, 105, 0.8);
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #94A3B8;
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.remove-file:hover {
    background: var(--error);
    color: white;
    transform: scale(1.1);
}

.remove-file svg {
    width: 18px;
    height: 18px;
}

/* Buttons */
.upload-btn {
    width: 100%;
    padding: var(--space-4) var(--space-6);
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    color: white;
    background: linear-gradient(135deg, var(--primary-600), var(--primary-700));
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
}

.upload-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    background: linear-gradient(135deg, var(--primary-700), var(--primary-800));
}

.upload-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-text {
    font-weight: var(--font-semibold);
}

.btn-loader {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

.btn-outline {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-5);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--text-secondary);
    background: white;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-outline:hover {
    border-color: var(--primary-600);
    color: var(--primary-600);
    background: var(--gray-50);
}

.btn-secondary {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--primary-600);
    background: transparent;
    border: 1px solid var(--primary-600);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
    margin-top: var(--space-4);
}

.btn-secondary:hover {
    background: rgba(0, 102, 204, 0.05);
}

.btn-icon {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-sm);
    color: var(--text-secondary);
    background: var(--gray-100);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-icon:hover {
    background: var(--gray-200);
    color: var(--text-primary);
}

/* Coverage Card */
.coverage-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-4);
    margin-bottom: var(--space-6);
}

.stat-box {
    text-align: center;
    padding: var(--space-5) var(--space-3);
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.05), rgba(139, 92, 246, 0.05));
    border: 1px solid rgba(59, 130, 246, 0.1);
    border-radius: var(--radius-xl);
    transition: transform var(--transition-fast);
}

.stat-box:hover {
    transform: translateY(-2px);
    border-color: rgba(59, 130, 246, 0.2);
}

.stat-number {
    display: block;
    font-size: var(--text-2xl);
    font-weight: var(--font-bold);
    color: var(--primary-600);
    margin-bottom: var(--space-1);
    line-height: 1;
}

.stat-label {
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.pricing-info {
    display: flex;
    justify-content: center;
    gap: var(--space-4);
    flex-wrap: wrap;
}

.pricing-badge {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-5);
    background: rgba(5, 150, 105, 0.1);
    border: 1px solid rgba(5, 150, 105, 0.2);
    border-radius: var(--radius-lg);
    color: var(--success);
    font-weight: var(--font-semibold);
    font-size: var(--text-sm);
}

.pricing-badge svg {
    flex-shrink: 0;
}

/* Quick Help Card */
.quick-help-card {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.08), rgba(147, 51, 234, 0.08));
    border: 1px solid rgba(59, 130, 246, 0.15);
}

.quick-tabs {
    display: flex;
    gap: var(--space-2);
    margin-bottom: var(--space-6);
    background: rgba(255, 255, 255, 0.5);
    padding: var(--space-1);
    border-radius: var(--radius-lg);
}

.tab-btn {
    flex: 1;
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--text-secondary);
    background: transparent;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.tab-btn:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.5);
}

.tab-btn.active {
    background: white;
    color: var(--primary-600);
    font-weight: var(--font-semibold);
    box-shadow: var(--shadow-sm);
}

.tab-panel {
    display: none;
}

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

.steps-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
}

.step-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    padding: var(--space-3);
    background: rgba(255, 255, 255, 0.6);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.step-num {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-600);
    color: white;
    border-radius: 50%;
    font-size: var(--text-xs);
    font-weight: var(--font-bold);
    flex-shrink: 0;
}

.step-info strong {
    display: block;
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    color: var(--text-primary);
    margin-bottom: var(--space-1);
}

.step-info span {
    font-size: var(--text-xs);
    color: var(--text-tertiary);
}

.info-box {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3);
    background: rgba(59, 130, 246, 0.08);
    border-radius: var(--radius-lg);
    font-size: var(--text-xs);
}

.info-box code {
    background: var(--gray-800);
    color: var(--gray-100);
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 0.7rem;
}

/* Solution Card */
.solution-card {
    color: white;
}

.solution-name {
    margin-bottom: var(--space-3);
    padding: var(--space-3);
    background: rgba(5, 150, 105, 0.1);
    border-left: 4px solid var(--warning);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    color: white;
}

.solution-name strong {
    color: var(--warning);
    font-weight: 600;
}

.solution-category {
    margin-bottom: var(--space-3);
    padding: var(--space-2);
    background: rgba(59, 130, 246, 0.1);
    border-radius: var(--radius-md);
    display: inline-block;
}

.category-badge {
    background: var(--primary-600);
    color: white;
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-sm);
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.solution-description {
    margin-bottom: var(--space-6);
    padding: var(--space-4);
    background: rgba(5, 150, 105, 0.05);
    border: 1px solid rgba(5, 150, 105, 0.1);
    border-radius: var(--radius-lg);
    font-size: var(--text-sm);
    line-height: 1.6;
    color: white;
}

.solution-steps {
    margin-top: var(--space-4);
}

.steps-header {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
    padding: var(--space-3);
    background: rgba(59, 130, 246, 0.05);
    border: 1px solid rgba(59, 130, 246, 0.1);
    border-radius: var(--radius-lg);
    color: white;
}

.steps-header h4 {
    font-size: var(--text-base);
    font-weight: var(--font-semibold);
    color: white;
    margin: 0;
}

.steps-header svg {
    width: 20px;
    height: 20px;
    color: white;
    color: var(--primary-600);
}

.steps-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.step-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    padding: var(--space-3);
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-2);
    transition: all var(--transition-fast);
}

.step-item:hover {
    border-color: var(--primary-300);
    box-shadow: var(--shadow-sm);
}

.step-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background: var(--primary-600);
    color: white;
    border-radius: 50%;
    font-size: var(--text-xs);
    font-weight: var(--font-bold);
    flex-shrink: 0;
}

.step-text {
    flex: 1;
    font-size: var(--text-sm);
    color: white;
    line-height: 1.5;
}

.solution-actions {
    margin-top: var(--space-6);
    display: flex;
    justify-content: flex-end;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-5);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: white;
    background: linear-gradient(135deg, var(--primary-600), var(--primary-700));
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    background: linear-gradient(135deg, var(--primary-700), var(--primary-800));
}

.btn-primary svg {
    width: 16px;
    height: 16px;
}

/* Results & Analysis Cards */
.card-header {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-6);
    padding-bottom: var(--space-4);
    border-bottom: 1px solid var(--gray-200);
}

.header-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
}

.header-icon.error {
    background: rgba(220, 38, 38, 0.1);
    color: var(--error);
}

.header-icon.success {
    background: rgba(5, 150, 105, 0.1);
    color: var(--success);
}

.header-icon.neutral {
    background: var(--gray-100);
    color: var(--gray-600);
}

.header-icon.warning {
    background: rgba(217, 119, 6, 0.1);
    color: var(--warning);
}

.header-icon svg {
    width: 20px;
    height: 20px;
}

.card-header h3 {
    font-size: var(--text-xl);
    color: var(--text-primary);
    margin: 0;
}

/* Special styling for solution card header */
.solution-card .card-header h3 {
    background: linear-gradient(135deg, #059669 0%, #10b981 50%, #34d399 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

/* Status Badges */
.status-badges {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-6);
    flex-wrap: wrap;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    border-radius: 9999px;
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
}

.badge-icon {
    font-weight: var(--font-bold);
}

.confidence-high { background: rgba(5, 150, 105, 0.1); color: var(--success); }
.confidence-medium { background: rgba(217, 119, 6, 0.1); color: var(--warning); }
.confidence-low { background: rgba(107, 114, 128, 0.1); color: var(--text-tertiary); }

.severity-critical { background: rgba(220, 38, 38, 0.1); color: var(--error); }
.severity-warning { background: rgba(217, 119, 6, 0.1); color: var(--warning); }
.severity-info { background: rgba(2, 132, 199, 0.1); color: var(--info); }

.meta-time {
    margin-left: auto;
    font-size: var(--text-sm);
    color: var(--text-muted);
    font-family: var(--font-mono);
}

/* Analysis Grid */
.analysis-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-4);
}

.info-card {
    display: flex;
    align-items: flex-start;
    gap: var(--space-4);
    padding: var(--space-5);
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-xl);
    transition: box-shadow var(--transition-fast);
}

.info-card:hover {
    box-shadow: var(--shadow-md);
}

.info-card.problem-card {
    background: linear-gradient(135deg, rgba(220, 38, 38, 0.03), rgba(220, 38, 38, 0.08));
    border-color: rgba(220, 38, 38, 0.2);
}

.info-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-lg);
    background: var(--gray-100);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-600);
    flex-shrink: 0;
}

.info-icon svg {
    width: 20px;
    height: 20px;
}

.info-icon.warning-icon {
    background: rgba(220, 38, 38, 0.1);
    color: var(--error);
}

.info-content {
    flex: 1;
    min-width: 0;
}

.info-label {
    display: block;
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-1);
}

.info-value {
    display: block;
    font-size: var(--text-base);
    font-weight: var(--font-semibold);
    color: var(--text-primary);
    word-break: break-word;
}

.info-value.problem-text {
    color: var(--error);
    font-weight: var(--font-bold);
}

.code-value {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    color: var(--text-secondary);
    background: var(--gray-100);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-md);
    border: 1px solid var(--gray-200);
}

/* Warning Card */
.warning-card {
    background: linear-gradient(135deg, #FEF3C7 0%, #FDE68A 100%);
    border: 2px solid #F59E0B;
    border-radius: var(--radius-2xl);
    overflow: hidden;
}

.warning-header {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-6);
    background: rgba(245, 158, 11, 0.2);
    border-bottom: 1px solid rgba(245, 158, 11, 0.3);
}

.warning-icon-large {
    width: 48px;
    height: 48px;
    background: #F59E0B;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.warning-icon-large svg {
    width: 24px;
    height: 24px;
}

.warning-header h3 {
    font-size: var(--text-xl);
    font-weight: var(--font-bold);
    color: #92400E;
    margin: 0;
}

.warning-body {
    padding: var(--space-6);
}

.warning-body p {
    font-size: var(--text-base);
    color: #78350F;
    line-height: 1.7;
    margin: 0;
}

/* Solution Card */
.solution-body {
    padding-top: var(--space-2);
}

.solution-text {
    font-size: var(--text-base);
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: var(--space-6);
    padding: var(--space-6);
    background: rgba(5, 150, 105, 0.05);
    border-left: 4px solid var(--success);
    border-radius: var(--radius-md);
}

.no-solution {
    font-size: var(--text-base);
    color: var(--text-tertiary);
    text-align: center;
    padding: var(--space-6);
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-4);
}

.manual-steps {
    background: white;
    padding: var(--space-6);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
}

.manual-steps h4 {
    font-size: var(--text-sm);
    font-weight: var(--font-bold);
    color: var(--text-primary);
    margin: 0 0 var(--space-4) 0;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.manual-steps ol {
    margin: 0;
    padding-left: var(--space-6);
    color: var(--text-secondary);
    font-size: var(--text-sm);
}

.manual-steps li {
    margin-bottom: var(--space-2);
}

/* Collapsible Section */
.tech-details {
    overflow: hidden;
}

.collapsible-header {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0;
    background: none;
    border: none;
    cursor: pointer;
    text-align: left;
}

.header-group {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.chevron {
    width: 20px;
    height: 20px;
    color: var(--gray-400);
    transition: transform var(--transition-base);
}

.collapsible-header[aria-expanded="true"] .chevron {
    transform: rotate(180deg);
}

.collapsible-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-base);
}

.collapsible-content.expanded {
    max-height: 500px;
    margin-top: var(--space-4);
}

.code-block {
    background: #1F2937;
    color: #E5E7EB;
    padding: var(--space-6);
    border-radius: var(--radius-lg);
    overflow-x: auto;
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    line-height: 1.6;
    margin: 0;
    white-space: pre-wrap;
    word-break: break-all;
    max-height: 400px;
    overflow-y: auto;
}

/* Metadata */
.metadata {
    background: var(--gray-50);
}

.metadata h4 {
    font-size: var(--text-sm);
    font-weight: var(--font-bold);
    color: var(--text-primary);
    margin: 0 0 var(--space-4) 0;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.metadata-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-4);
}

.metadata-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-3) 0;
    border-bottom: 1px solid var(--gray-200);
}

.meta-label {
    font-size: var(--text-sm);
    color: var(--text-tertiary);
    font-weight: var(--font-medium);
}

.meta-value {
    font-size: var(--text-sm);
    color: var(--text-primary);
    font-weight: var(--font-semibold);
    font-family: var(--font-mono);
}

/* Instructions Card */
.guide-tabs {
    display: flex;
    gap: var(--space-2);
    margin-bottom: var(--space-6);
    border-bottom: 2px solid var(--gray-200);
    padding-bottom: var(--space-4);
}

.guide-content {
    display: none;
}

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

.guide-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-6);
}

.guide-header h4 {
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    color: var(--text-primary);
    margin: 0;
}

.difficulty-badge {
    font-size: var(--text-xs);
    font-weight: var(--font-bold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-md);
}

.difficulty-badge.easy {
    background: rgba(5, 150, 105, 0.1);
    color: var(--success);
}

.difficulty-badge.medium {
    background: rgba(217, 119, 6, 0.1);
    color: var(--warning);
}

.numbered-list {
    list-style: none;
    counter-reset: step;
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.numbered-list li {
    position: relative;
    padding-left: var(--space-12);
    counter-increment: step;
}

.numbered-list li::before {
    content: counter(step);
    position: absolute;
    left: 0;
    top: 0;
    width: 32px;
    height: 32px;
    background: var(--primary-600);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: var(--font-bold);
    font-size: var(--text-sm);
}

.numbered-list strong {
    display: block;
    font-size: var(--text-base);
    color: var(--text-primary);
    margin-bottom: var(--space-1);
}

.numbered-list p {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    margin: 0 0 var(--space-2) 0;
}

.file-example {
    display: inline-block;
    margin-top: var(--space-2);
    padding: var(--space-2) var(--space-3);
    background: var(--gray-800);
    color: var(--gray-100);
    border-radius: var(--radius-md);
    font-family: var(--font-mono);
    font-size: var(--text-xs);
}

.path-box {
    margin-top: var(--space-6);
    padding: var(--space-4);
    background: var(--gray-100);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
}

.path-box strong {
    display: block;
    font-size: var(--text-sm);
    color: var(--text-primary);
    margin-bottom: var(--space-2);
}

.path-box code {
    display: block;
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    color: var(--text-secondary);
    word-break: break-all;
}

/* Error Card */
.error-text {
    color: var(--error);
    font-size: var(--text-base);
    line-height: 1.6;
    margin: 0;
}

/* Footer */
.footer {
    text-align: center;
    padding-top: var(--space-12);
    margin-top: var(--space-8);
    color: var(--text-tertiary);
    font-size: var(--text-sm);
}

/* Utility Classes */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .main-content {
        grid-template-columns: 1fr;
    }
    
    .sidebar-column {
        position: static;
        order: -1;
    }
    
    .coverage-stats {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    :root {
        --space-8: 1.5rem;
        --space-6: 1.25rem;
        --text-3xl: 1.5rem;
    }
    
    .container {
        padding: var(--space-4);
    }
    
    .header {
        margin-bottom: var(--space-8);
    }
    
    .logo {
        flex-direction: column;
        gap: var(--space-2);
    }
    
    .logo h1 {
        font-size: var(--text-2xl);
    }
    
    .glass-card {
        padding: var(--space-5);
        border-radius: var(--radius-xl);
    }
    
    .coverage-stats {
        grid-template-columns: 1fr;
    }
    
    .pricing-info {
        flex-direction: column;
        align-items: stretch;
    }
    
    .pricing-badge {
        justify-content: center;
    }
    
    .analysis-grid {
        grid-template-columns: 1fr;
    }
    
    .dropzone {
        min-height: 240px;
    }
    
    .section-header {
        flex-direction: column;
        text-align: center;
        gap: var(--space-3);
    }
    
    .dropzone h3 {
        font-size: var(--text-lg);
    }
    
    .guide-tabs {
        flex-direction: column;
        gap: var(--space-2);
    }
    
    .tab-btn {
        width: 100%;
        text-align: center;
    }
    
    .numbered-list li {
        padding-left: var(--space-10);
    }
}

/* Focus States for Accessibility */
button:focus-visible,
a:focus-visible,
input:focus-visible {
    outline: 2px solid var(--primary-600);
    outline-offset: 2px;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--gray-100);
    border-radius: var(--radius-md);
}

::-webkit-scrollbar-thumb {
background: var(--gray-400);
border-radius: var(--radius-md);
}

::-webkit-scrollbar-thumb:hover {
background: var(--gray-500);
}

/* Futuristic Solution Card */
.solution-card {
background: linear-gradient(135deg, 
rgba(15, 23, 42, 0.95), 
rgba(30, 41, 59, 0.95),
rgba(51, 65, 85, 0.95)
);
border: 1px solid transparent;
background-image: linear-gradient(135deg, 
rgba(15, 23, 42, 0.95), 
rgba(30, 41, 59, 0.95),
rgba(51, 65, 85, 0.95)
), linear-gradient(135deg, 
rgba(59, 130, 246, 0.3), 
rgba(147, 51, 234, 0.3),
rgba(236, 72, 153, 0.3)
);
background-origin: border-box;
background-clip: padding-box, border-box;
border-radius: 20px;
position: relative;
overflow: hidden;
backdrop-filter: blur(20px);
box-shadow: 
0 0 60px rgba(59, 130, 246, 0.2),
0 0 120px rgba(147, 51, 234, 0.1),
inset 0 0 60px rgba(255, 255, 255, 0.05);
}

/* Futuristic Header */
.solution-header-futuristic {
display: flex;
justify-content: space-between;
align-items: center;
padding: var(--space-6);
border-bottom: 1px solid rgba(59, 130, 246, 0.2);
position: relative;
}

.header-left {
display: flex;
align-items: center;
gap: var(--space-4);
}

.status-indicator {
position: relative;
width: 48px;
height: 48px;
}

.status-core {
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
width: 12px;
height: 12px;
border-radius: 50%;
z-index: 2;
}

.status-indicator.active .status-core {
background: radial-gradient(circle, #10b981, #059669);
box-shadow: 0 0 20px #10b981;
animation: pulse 2s ease-in-out infinite;
}

.status-indicator.inactive .status-core {
background: radial-gradient(circle, #6b7280, #4b5563);
box-shadow: 0 0 10px #6b7280;
}

.status-ring {
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
width: 48px;
height: 48px;
border: 2px solid;
border-radius: 50%;
z-index: 1;
}

.status-indicator.active .status-ring {
border-color: rgba(16, 185, 129, 0.3);
animation: rotate 4s linear infinite;
}

.status-indicator.inactive .status-ring {
border-color: rgba(107, 114, 128, 0.3);
}

@keyframes pulse {
0%, 100% { transform: translate(-50%, -50%) scale(1); }
50% { transform: translate(-50%, -50%) scale(1.2); }
}

@keyframes rotate {
0% { transform: translate(-50%, -50%) rotate(0deg); }
100% { transform: translate(-50%, -50%) rotate(360deg); }
}

.title-section {
position: relative;
}

.futuristic-title {
font-size: 1.5rem;
font-weight: 700;
color: #fff;
letter-spacing: 0.1em;
text-transform: uppercase;
margin: 0;
background: linear-gradient(135deg, #3b82f6, #9333ea, #ec4899);
-webkit-background-clip: text;
-webkit-text-fill-color: transparent;
background-clip: text;
text-shadow: 0 0 30px rgba(59, 130, 246, 0.5);
}

.title-underline {
position: absolute;
bottom: -8px;
left: 0;
height: 2px;
width: 100%;
background: linear-gradient(90deg, 
transparent,
rgba(59, 130, 246, 0.8),
rgba(147, 51, 234, 0.8),
transparent
);
animation: glow 2s ease-in-out infinite alternate;
}

@keyframes glow {
0% { opacity: 0.5; }
100% { opacity: 1; }
}

.header-right {
display: flex;
align-items: center;
}

.category-chip {
position: relative;
padding: var(--space-2) var(--space-4);
background: linear-gradient(135deg, 
rgba(59, 130, 246, 0.2),
rgba(147, 51, 234, 0.2)
);
border: 1px solid rgba(59, 130, 246, 0.4);
border-radius: 20px;
overflow: hidden;
}

.chip-text {
font-size: 0.75rem;
font-weight: 600;
color: #fff;
letter-spacing: 0.05em;
text-transform: uppercase;
position: relative;
z-index: 2;
}

.chip-glow {
position: absolute;
top: 0;
left: 0;
right: 0;
bottom: 0;
background: linear-gradient(45deg, 
transparent,
rgba(59, 130, 246, 0.4),
transparent
);
animation: chipScan 3s linear infinite;
}

@keyframes chipScan {
0% { transform: translateX(-100%); }
100% { transform: translateX(100%); }
}

/* Futuristic Name Display */
.solution-name-futuristic {
padding: 0 var(--space-6) var(--space-6);
}

.name-container {
position: relative;
padding: var(--space-4);
background: linear-gradient(135deg,
rgba(236, 72, 153, 0.1),
rgba(219, 39, 119, 0.1)
);
border: 1px solid rgba(236, 72, 153, 0.3);
border-radius: 16px;
overflow: hidden;
}

.name-background {
position: absolute;
top: 0;
left: 0;
right: 0;
bottom: 0;
background: linear-gradient(45deg,
transparent,
rgba(236, 72, 153, 0.2),
transparent
);
animation: nameGlow 4s ease-in-out infinite;
}

.name-text {
display: block;
font-size: 1.1rem;
font-weight: 600;
color: #fff;
text-align: center;
position: relative;
z-index: 2;
text-shadow: 0 0 20px rgba(236, 72, 153, 0.5);
}

.name-border {
position: absolute;
top: 0;
left: 0;
right: 0;
bottom: 0;
border: 1px solid transparent;
border-radius: 16px;
background: linear-gradient(45deg,
rgba(236, 72, 153, 0.6),
rgba(219, 39, 119, 0.6),
rgba(190, 24, 93, 0.6)
) border-box;
mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
mask-composite: subtract;
animation: borderRotate 6s linear infinite;
}

@keyframes nameGlow {
0%, 100% { opacity: 0.3; }
50% { opacity: 0.7; }
}

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

/* Futuristic Solution Body */
.solution-body-futuristic {
padding: 0 var(--space-6) var(--space-6);
}

/* Solution Overview */
.solution-overview {
margin-bottom: var(--space-6);
}

.overview-header {
display: flex;
align-items: center;
gap: var(--space-3);
margin-bottom: var(--space-4);
}

.overview-icon {
position: relative;
width: 32px;
height: 32px;
}

.icon-core {
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
width: 8px;
height: 8px;
background: radial-gradient(circle, #3b82f6, #2563eb);
border-radius: 50%;
box-shadow: 0 0 15px #3b82f6;
}

.icon-pulse {
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
width: 32px;
height: 32px;
border: 2px solid rgba(59, 130, 246, 0.3);
border-radius: 50%;
animation: iconPulse 2s ease-in-out infinite;
}

@keyframes iconPulse {
0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 1; }
50% { transform: translate(-50%, -50%) scale(1.3); opacity: 0.5; }
}

.overview-title {
font-size: 1rem;
font-weight: 600;
color: #3b82f6;
letter-spacing: 0.05em;
text-transform: uppercase;
margin: 0;
}

.overview-content {
padding: var(--space-4);
background: rgba(59, 130, 246, 0.05);
border: 1px solid rgba(59, 130, 246, 0.2);
border-radius: 12px;
}

.overview-content p {
color: #e2e8f0;
line-height: 1.6;
margin: 0;
}

/* Timeline Design */
.solution-timeline {
margin-bottom: var(--space-6);
}

.timeline-header {
display: flex;
align-items: center;
gap: var(--space-3);
margin-bottom: var(--space-4);
}

.timeline-icon {
position: relative;
width: 32px;
height: 32px;
}

.timeline-core {
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
width: 8px;
height: 8px;
background: radial-gradient(circle, #9333ea, #7c3aed);
border-radius: 50%;
box-shadow: 0 0 15px #9333ea;
}

.timeline-title {
font-size: 1rem;
font-weight: 600;
color: #9333ea;
letter-spacing: 0.05em;
text-transform: uppercase;
margin: 0;
}

.timeline-container {
position: relative;
padding-left: var(--space-6);
}

.timeline-line {
position: absolute;
left: 16px;
top: 0;
bottom: 0;
width: 2px;
background: linear-gradient(180deg,
rgba(147, 51, 234, 0.8),
rgba(147, 51, 234, 0.3),
rgba(147, 51, 234, 0.1)
);
}

.timeline-step {
position: relative;
margin-bottom: var(--space-4);
opacity: 0;
animation: fadeInUp 0.6s ease-out forwards;
animation-delay: calc(var(--step-index) * 0.1s);
}

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

.step-node {
position: absolute;
left: -32px;
top: 8px;
width: 32px;
height: 32px;
display: flex;
align-items: center;
justify-content: center;
}

.node-inner {
position: absolute;
width: 16px;
height: 16px;
background: linear-gradient(135deg, #9333ea, #7c3aed);
border-radius: 50%;
z-index: 2;
}

.node-outer {
position: absolute;
width: 32px;
height: 32px;
border: 2px solid rgba(147, 51, 234, 0.3);
border-radius: 50%;
animation: nodeRotate 4s linear infinite;
}

.step-number {
font-size: 0.7rem;
font-weight: 700;
color: #fff;
position: relative;
z-index: 3;
}

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

.step-content {
position: relative;
padding: var(--space-3);
background: linear-gradient(135deg,
rgba(147, 51, 234, 0.1),
rgba(125, 29, 236, 0.1)
);
border: 1px solid rgba(147, 51, 234, 0.3);
border-radius: 12px;
overflow: hidden;
}

.step-background {
position: absolute;
top: 0;
left: 0;
right: 0;
bottom: 0;
background: linear-gradient(45deg,
transparent,
rgba(147, 51, 234, 0.2),
transparent
);
animation: stepGlow 3s ease-in-out infinite;
}

.step-text {
color: #e2e8f0;
line-height: 1.5;
margin: 0;
position: relative;
z-index: 2;
}

@keyframes stepGlow {
0%, 100% { opacity: 0.2; }
50% { opacity: 0.5; }
}

/* Futuristic Actions */
.solution-actions-futuristic {
margin-top: var(--space-6);
}

.action-grid {
display: grid;
grid-template-columns: 1fr 1fr;
gap: var(--space-4);
}

.action-btn {
position: relative;
padding: var(--space-4);
background: transparent;
border: none;
border-radius: 12px;
cursor: pointer;
overflow: hidden;
transition: all 0.3s ease;
}

.action-btn.primary {
background: linear-gradient(135deg, #3b82f6, #2563eb);
}

.action-btn.secondary {
background: linear-gradient(135deg, rgba(107, 114, 128, 0.2), rgba(75, 85, 99, 0.2));
border: 1px solid rgba(107, 114, 128, 0.4);
}

.btn-background {
position: absolute;
top: 0;
left: 0;
right: 0;
bottom: 0;
background: linear-gradient(45deg,
transparent,
rgba(255, 255, 255, 0.1),
transparent
);
animation: btnScan 3s linear infinite;
}

.btn-content {
position: relative;
z-index: 2;
display: flex;
align-items: center;
justify-content: center;
gap: var(--space-2);
}

.btn-icon {
position: relative;
width: 20px;
height: 20px;
}

.icon-shape {
width: 100%;
height: 100%;
background: rgba(255, 255, 255, 0.9);
clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
transform: rotate(45deg);
}

.action-btn.secondary .icon-shape {
background: rgba(255, 255, 255, 0.7);
}

.btn-text {
font-size: 0.9rem;
font-weight: 600;
color: #fff;
letter-spacing: 0.05em;
text-transform: uppercase;
}

.btn-border {
position: absolute;
top: 0;
left: 0;
right: 0;
bottom: 0;
border: 1px solid transparent;
border-radius: 12px;
background: linear-gradient(45deg,
rgba(255, 255, 255, 0.3),
rgba(255, 255, 255, 0.1),
rgba(255, 255, 255, 0.3)
) border-box;
mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
mask-composite: subtract;
}

.action-btn:hover {
transform: translateY(-2px);
box-shadow: 0 10px 30px rgba(59, 130, 246, 0.3);
}

@keyframes btnScan {
0% { transform: translateX(-100%); }
100% { transform: translateX(100%); }
}

/* No Solution State */
.no-solution-futuristic {
text-align: center;
padding: var(--space-8);
}

.no-solution-icon {
position: relative;
width: 64px;
height: 64px;
margin: 0 auto var(--space-4);
}

.no-solution-icon .icon-core {
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
width: 16px;
height: 16px;
background: radial-gradient(circle, #6b7280, #4b5563);
border-radius: 50%;
box-shadow: 0 0 20px #6b7280;
}

.no-solution-icon .icon-ring {
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
width: 64px;
height: 64px;
border: 2px solid rgba(107, 114, 128, 0.3);
border-radius: 50%;
animation: slowRotate 8s linear infinite;
}

@keyframes slowRotate {
0% { transform: translate(-50%, -50%) rotate(0deg); }
100% { transform: translate(-50%, -50%) rotate(360deg); }
}

.no-solution-title {
font-size: 1.2rem;
font-weight: 600;
color: #6b7280;
letter-spacing: 0.05em;
text-transform: uppercase;
margin: 0 0 var(--space-2);
}

.no-solution-text {
color: #9ca3af;
margin: 0 0 var(--space-6);
}

.manual-steps-futuristic {
margin-top: var(--space-6);
}

.manual-title {
font-size: 1rem;
font-weight: 600;
color: #6b7280;
letter-spacing: 0.05em;
text-transform: uppercase;
margin: 0 0 var(--space-4);
text-align: center;
}

.manual-grid {
display: grid;
grid-template-columns: 1fr 1fr;
gap: var(--space-3);
}

.manual-item {
display: flex;
align-items: center;
gap: var(--space-2);
padding: var(--space-3);
background: rgba(107, 114, 128, 0.1);
border: 1px solid rgba(107, 114, 128, 0.2);
border-radius: 8px;
}

.item-marker {
width: 8px;
height: 8px;
background: #6b7280;
border-radius: 50%;
flex-shrink: 0;
}

.manual-item span {
color: #9ca3af;
font-size: 0.9rem;
}