/* Professional Blue Theme CSS Variables */
:root {
    --primary-blue: #1e3a8a;
    --secondary-blue: #3b82f6;
    --light-blue: #60a5fa;
    --accent-blue: #2563eb;
    --dark-blue: #1e40af;
    --ultra-light-blue: #eff6ff;
    --glass-blue: rgba(59, 130, 246, 0.1);
    --success-green: #10b981;
    --warning-orange: #f59e0b;
    --error-red: #ef4444;
    --neutral-50: #f8fafc;
    --neutral-100: #f1f5f9;
    --neutral-200: #e2e8f0;
    --neutral-300: #cbd5e1;
    --neutral-600: #475569;
    --neutral-700: #334155;
    --neutral-800: #1e293b;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
}

body[data-org-theme="Theme 1"] {
    --primary-blue: #1e3a8a;
    --secondary-blue: #3b82f6;
    --light-blue: #60a5fa;
    --accent-blue: #2563eb;
    --dark-blue: #1e40af;
}

body[data-org-theme="Theme 2"] {
    --primary-blue: #0f766e;
    --secondary-blue: #14b8a6;
    --light-blue: #5eead4;
    --accent-blue: #0d9488;
    --dark-blue: #115e59;
}

body[data-org-theme="Theme 3"] {
    --primary-blue: #7c2d12;
    --secondary-blue: #ea580c;
    --light-blue: #fdba74;
    --accent-blue: #f97316;
    --dark-blue: #9a3412;
}

body[data-org-theme="Theme 4"] {
    --primary-blue: #4c1d95;
    --secondary-blue: #8b5cf6;
    --light-blue: #c4b5fd;
    --accent-blue: #7c3aed;
    --dark-blue: #5b21b6;
}

body[data-org-theme="Theme 5"] {
    --primary-blue: #1f2937;
    --secondary-blue: #4b5563;
    --light-blue: #9ca3af;
    --accent-blue: #374151;
    --dark-blue: #111827;
}

body[data-org-theme="Theme 6"] {
    --primary-blue: #14532d;
    --secondary-blue: #22c55e;
    --light-blue: #86efac;
    --accent-blue: #16a34a;
    --dark-blue: #166534;
}

* {
    box-sizing: border-box;
}

body {
    font-family: 'Inter', 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
    background: linear-gradient(135deg, var(--ultra-light-blue) 0%, var(--neutral-50) 50%, #faf5ff 100%);
    min-height: 100vh;
    line-height: 1.6;
    color: var(--neutral-700);
    overflow-x: hidden;
}

.container {
    background: rgba(248, 250, 252, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid var(--neutral-300);
    padding: 20px;
    border-radius: 24px;
    box-shadow: var(--shadow-xl);
    position: relative;
    overflow: hidden;
}

/* Page Container Styles */
.page-container {
    display: none;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

.page-container.active {
    display: block;
}

.page0-content,
.page1-content,
.page2-content,
.page3-content,
.page4-content {
    width: 100%;
}

/* Clickable header styles */
h1[onclick] {
    position: relative;
}

.container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-blue), var(--secondary-blue), var(--light-blue));
}

h1 {
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 2.2rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 8px;
    letter-spacing: -0.025em;
}

.section {
    margin: 15px 0;
    padding: 15px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(15px);
    border: 1px solid var(--neutral-300);
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    transition: all 0.3s ease;
    position: relative;
}

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

.section h3 {
    color: var(--primary-blue);
    font-weight: 600;
    font-size: 1.25rem;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

/* Utility Classes */
.hidden {
    display: none !important;
}

.fade-in {
    animation: fadeIn 0.5s ease-in;
}

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

/* Loading Spinner */
.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--neutral-200);
    border-top: 4px solid var(--secondary-blue);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 20px auto;
}

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

.loading-placeholder {
    text-align: center;
    padding: 40px;
    color: var(--neutral-600);
}

/* Responsive Design */
@media (max-width: 768px) {
    body {
        padding: 10px;
    }
    
    .container {
        padding: 15px;
        border-radius: 16px;
    }
    
    h1 {
        font-size: 1.8rem;
    }
    
    .section {
        padding: 12px;
        border-radius: 12px;
    }
}