/* LibriTXT Content Management Platform - Enhanced Styling */
:root {
    /* LibriTXT Brand Colors */
    --libritxt-primary: #2980b9;      /* Professional Blue */
    --libritxt-secondary: #6bb6ff;     /* Light Blue Accent */
    --libritxt-tertiary: #a8edea;      /* Aqua Gradient End */
    --libritxt-text-dark: #2c3e50;     /* Dark Text */
    --libritxt-text-light: #7f8c8d;    /* Light Text */
    --libritxt-background: #ffffff;     /* Clean White */
    --libritxt-background-alt: #f8f9fa; /* Light Gray Background */
    --libritxt-success: #27ae60;       /* Success Green */
    --libritxt-warning: #f39c12;       /* Warning Orange */
    --libritxt-error: #e74c3c;         /* Error Red */
    
    /* LibriTXT Gradients */
    --libritxt-gradient-primary: linear-gradient(135deg, var(--libritxt-primary) 0%, var(--libritxt-secondary) 50%, var(--libritxt-tertiary) 100%);
    --libritxt-gradient-secondary: linear-gradient(45deg, var(--libritxt-primary), var(--libritxt-secondary));
    --libritxt-gradient-text: linear-gradient(135deg, var(--libritxt-primary), var(--libritxt-secondary));
    
    /* Shadows */
    --libritxt-shadow-light: 0 2px 10px rgba(41, 128, 185, 0.1);
    --libritxt-shadow-medium: 0 8px 25px rgba(41, 128, 185, 0.15);
    --libritxt-shadow-heavy: 0 15px 35px rgba(41, 128, 185, 0.2);
    
    /* Typography */
    --libritxt-font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --libritxt-font-mono: 'JetBrains Mono', 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    --libritxt-font-heading: 'Poppins', var(--libritxt-font-primary);
}

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

body {
    font-family: var(--libritxt-font-primary);
    line-height: 1.7;
    color: var(--libritxt-text-dark);
    background: var(--libritxt-background);
    font-size: 16px;
    font-weight: 400;
    overflow-x: hidden;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--libritxt-font-heading);
    font-weight: 600;
    color: var(--libritxt-text-dark);
    margin-bottom: 1rem;
    line-height: 1.3;
}

h1 {
    font-size: 2.5rem;
    font-weight: 700;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: 1rem;
    color: var(--libritxt-text-dark);
    line-height: 1.7;
}

a {
    color: var(--libritxt-primary);
    text-decoration: none;
    transition: all 0.3s ease;
}

a:hover {
    color: var(--libritxt-secondary);
    text-decoration: underline;
}

/* LibriTXT Navigation */
.libritxt-navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(41, 128, 185, 0.1);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--libritxt-shadow-light);
}

.libritxt-nav-brand {
    font-family: var(--libritxt-font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--libritxt-primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.libritxt-nav-brand::before {
    content: "📝";
    font-size: 1.2rem;
}

.libritxt-nav-brand:hover {
    background: var(--libritxt-gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-decoration: none;
}

.libritxt-nav-menu {
    list-style: none;
    display: flex;
    gap: 2rem;
    margin: 0;
    padding: 0;
}

.libritxt-nav-menu li a {
    color: var(--libritxt-text-dark);
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    text-decoration: none;
}

.libritxt-nav-menu li a:hover,
.libritxt-nav-menu li a.active {
    background: var(--libritxt-gradient-primary);
    color: white;
    text-decoration: none;
    box-shadow: var(--libritxt-shadow-light);
}

/* LibriTXT Hero Section */
.libritxt-hero {
    background: var(--libritxt-gradient-primary);
    color: white;
    text-align: center;
    padding: 6rem 2rem;
    margin-bottom: 4rem;
    position: relative;
    overflow: hidden;
}

.libritxt-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.1'%3E%3Ccircle cx='30' cy='30' r='2'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E") repeat;
    opacity: 0.3;
}

.libritxt-hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
}

.libritxt-hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.libritxt-hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 2.5rem;
    opacity: 0.95;
    font-weight: 300;
}

.libritxt-hero-cta {
    display: inline-block;
    background: rgba(255, 255, 255, 0.2);
    color: white;
    padding: 1rem 2.5rem;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    border: 2px solid rgba(255, 255, 255, 0.3);
    font-size: 1.1rem;
}

.libritxt-hero-cta:hover {
    background: white;
    color: var(--libritxt-primary);
    text-decoration: none;
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

/* LibriTXT Buttons */
.libritxt-btn {
    display: inline-block;
    background: var(--libritxt-gradient-primary);
    color: white;
    padding: 0.8rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
    box-shadow: var(--libritxt-shadow-light);
}

.libritxt-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--libritxt-shadow-medium);
    color: white;
    text-decoration: none;
}

.libritxt-btn-secondary {
    background: var(--libritxt-background);
    color: var(--libritxt-primary);
    border: 2px solid var(--libritxt-primary);
}

.libritxt-btn-secondary:hover {
    background: var(--libritxt-primary);
    color: white;
}

/* LibriTXT Forms */
.libritxt-form-group {
    margin-bottom: 1.5rem;
}

.libritxt-form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--libritxt-text-dark);
}

.libritxt-form-input,
.libritxt-form-textarea,
.libritxt-form-select {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid #e1e8ed;
    border-radius: 8px;
    font-size: 1rem;
    font-family: var(--libritxt-font-primary);
    transition: all 0.3s ease;
    background: var(--libritxt-background);
}

.libritxt-form-input:focus,
.libritxt-form-textarea:focus,
.libritxt-form-select:focus {
    outline: none;
    border-color: var(--libritxt-primary);
    box-shadow: 0 0 0 3px rgba(41, 128, 185, 0.1);
}

.libritxt-form-textarea {
    min-height: 120px;
    resize: vertical;
}

/* LibriTXT Code/Text Areas */
.libritxt-code-editor {
    font-family: var(--libritxt-font-mono);
    background: #2d3748;
    color: #e2e8f0;
    padding: 1.5rem;
    border-radius: 12px;
    border: none;
    font-size: 0.95rem;
    line-height: 1.6;
    overflow-x: auto;
    box-shadow: var(--libritxt-shadow-medium);
}

.libritxt-code-editor:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(41, 128, 185, 0.3), var(--libritxt-shadow-medium);
}

/* LibriTXT Cards */
.libritxt-card {
    background: var(--libritxt-background);
    border-radius: 15px;
    padding: 2rem;
    box-shadow: var(--libritxt-shadow-light);
    transition: all 0.3s ease;
    border: 1px solid rgba(41, 128, 185, 0.1);
}

.libritxt-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--libritxt-shadow-medium);
}

.libritxt-card-header {
    border-bottom: 2px solid var(--libritxt-background-alt);
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
}

.libritxt-card-title {
    color: var(--libritxt-primary);
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.libritxt-card-subtitle {
    color: var(--libritxt-text-light);
    font-size: 0.9rem;
}

/* LibriTXT Features Grid */
.libritxt-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 4rem 0;
}

.libritxt-feature {
    text-align: center;
    padding: 2rem;
}

.libritxt-feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: var(--libritxt-gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
    box-shadow: var(--libritxt-shadow-light);
}

.libritxt-feature h3 {
    color: var(--libritxt-primary);
    margin-bottom: 1rem;
}

/* LibriTXT Analytics Dashboard */
.libritxt-analytics-dashboard {
    background: var(--libritxt-background-alt);
    padding: 2rem;
    border-radius: 15px;
    margin: 2rem 0;
}

.libritxt-stat {
    text-align: center;
    padding: 1rem;
}

.libritxt-stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--libritxt-primary);
    display: block;
}

.libritxt-stat-label {
    color: var(--libritxt-text-light);
    font-size: 0.9rem;
    margin-top: 0.5rem;
}

/* LibriTXT Templates */
.libritxt-template {
    background: var(--libritxt-background);
    border: 2px solid var(--libritxt-background-alt);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    transition: all 0.3s ease;
    cursor: pointer;
}

.libritxt-template:hover {
    border-color: var(--libritxt-primary);
    box-shadow: var(--libritxt-shadow-light);
    transform: translateY(-2px);
}

.libritxt-template-header {
    display: flex;
    justify-content: between;
    align-items: flex-start;
    margin-bottom: 1rem;
}

.libritxt-template-title {
    color: var(--libritxt-primary);
    font-size: 1.2rem;
    font-weight: 600;
    margin: 0;
}

.libritxt-template-category {
    background: var(--libritxt-gradient-primary);
    color: white;
    padding: 0.25rem 0.8rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 500;
}

.libritxt-template-content {
    font-family: var(--libritxt-font-mono);
    background: var(--libritxt-background-alt);
    padding: 1rem;
    border-radius: 8px;
    font-size: 0.85rem;
    line-height: 1.5;
    color: var(--libritxt-text-dark);
    max-height: 150px;
    overflow-y: auto;
    margin: 1rem 0;
}

/* LibriTXT Footer */
.libritxt-footer {
    background: var(--libritxt-text-dark);
    color: white;
    padding: 3rem 0;
    margin-top: 4rem;
}

.libritxt-footer h4 {
    color: var(--libritxt-secondary);
    margin-bottom: 1rem;
}

.libritxt-footer a {
    color: #bdc3c7;
    text-decoration: none;
}

.libritxt-footer a:hover {
    color: var(--libritxt-secondary);
}

/* LibriTXT Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    .libritxt-hero-title {
        font-size: 2.5rem;
    }
    
    .libritxt-hero-subtitle {
        font-size: 1.1rem;
    }
    
    .libritxt-nav-menu {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .libritxt-features {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .libritxt-card {
        padding: 1.5rem;
    }
}

@media (max-width: 480px) {
    .libritxt-hero {
        padding: 4rem 1rem;
    }
    
    .libritxt-hero-title {
        font-size: 2rem;
    }
    
    h1 { font-size: 2rem; }
    h2 { font-size: 1.5rem; }
    h3 { font-size: 1.25rem; }
}

/* LibriTXT Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.p-1 { padding: 0.5rem; }
.p-2 { padding: 1rem; }
.p-3 { padding: 1.5rem; }
.p-4 { padding: 2rem; }

.bg-primary { background: var(--libritxt-gradient-primary); }
.bg-light { background: var(--libritxt-background-alt); }
.text-primary { color: var(--libritxt-primary); }
.text-secondary { color: var(--libritxt-secondary); }
.text-muted { color: var(--libritxt-text-light); }

/* LibriTXT Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease forwards;
}

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

.pulse {
    animation: pulse 2s infinite;
}

/* LibriTXT Loading States */
.libritxt-loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid var(--libritxt-background-alt);
    border-radius: 50%;
    border-top-color: var(--libritxt-primary);
    animation: spin 1s linear infinite;
}

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

/* LibriTXT Success/Error States */
.libritxt-success {
    color: var(--libritxt-success);
    background: rgba(39, 174, 96, 0.1);
    padding: 1rem;
    border-radius: 8px;
    border-left: 4px solid var(--libritxt-success);
}

.libritxt-error {
    color: var(--libritxt-error);
    background: rgba(231, 76, 60, 0.1);
    padding: 1rem;
    border-radius: 8px;
    border-left: 4px solid var(--libritxt-error);
}

.libritxt-warning {
    color: var(--libritxt-warning);
    background: rgba(243, 156, 18, 0.1);
    padding: 1rem;
    border-radius: 8px;
    border-left: 4px solid var(--libritxt-warning);
}