/*
 * Blogado.net Modern Theme
 * Enhanced UI/UX styling for the blogging platform
 */

/* Modern Design System Variables */
:root {
    --primary-color: #6366f1;
    --primary-hover: #5855eb;
    --primary-light: #a5b4fc;
    --primary-dark: #4338ca;

    --secondary-color: #64748b;
    --accent-color: #f59e0b;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --info-color: #3b82f6;

    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #e2e8f0;
    --bg-muted: #f1f5f9;

    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --text-light: #cbd5e1;

    --border-color: #e2e8f0;
    --border-light: #f1f5f9;

    /* Modern shadows */
    --shadow-xs: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-sm: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --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);
    --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);

    /* Border radius scale */
    --radius-xs: 0.25rem;
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* Spacing scale */
    --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;
}

/* Base Typography */
body {
    font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--text-primary);
    line-height: 1.6;
    font-weight: 400;
    letter-spacing: -0.01em;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 600;
    line-height: 1.3;
    letter-spacing: -0.025em;
    color: var(--text-primary);
}

/* Enhanced Buttons */
.btn {
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid transparent;
    position: relative;
    overflow: hidden;
    font-size: 0.875rem;
    line-height: 1.5;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
    border-color: var(--primary-color);
    color: white;
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
    background: linear-gradient(135deg, var(--primary-hover), var(--primary-dark));
    border-color: var(--primary-hover);
}

.btn-primary:focus {
    box-shadow: 0 0 0 0.2rem rgba(99, 102, 241, 0.25);
}

.btn-outline-primary {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.btn-outline-primary:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

/* Button shine effect */
.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.6s ease;
}

.btn:hover::before {
    left: 100%;
}

/* Modern Cards */
.card {
    border: none;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
    background: var(--bg-primary);
}

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

.card-header {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: var(--space-4) var(--space-6);
    font-weight: 600;
}

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

.card-footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: var(--space-4) var(--space-6);
}

/* Enhanced Form Controls */
.form-control {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--space-3) var(--space-4);
    transition: all 0.15s ease;
    font-size: 0.875rem;
    line-height: 1.5;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(99, 102, 241, 0.1);
    outline: none;
}

.form-label {
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: var(--space-2);
}

/* Input Groups */
.input-group-text {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    transition: all 0.15s ease;
}

.input-group:focus-within .input-group-text {
    border-color: var(--primary-color);
    background: rgba(99, 102, 241, 0.05);
    color: var(--primary-color);
}

/* Enhanced Navigation */
.navbar {
    backdrop-filter: blur(20px);
    background: rgba(15, 23, 42, 0.95) !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: var(--shadow-md);
    padding: var(--space-4) 0;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-decoration: none;
}

.nav-link {
    font-weight: 500;
    transition: all 0.2s ease;
    border-radius: var(--radius-md);
    margin: 0 var(--space-1);
    padding: var(--space-2) var(--space-3) !important;
}

.nav-link:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-1px);
}

.nav-link:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Dropdown Menus */
.dropdown-menu {
    border: none;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    padding: var(--space-2);
    margin-top: var(--space-2);
}

.dropdown-item {
    border-radius: var(--radius-md);
    padding: var(--space-2) var(--space-3);
    transition: all 0.15s ease;
    font-weight: 500;
}

.dropdown-item:hover {
    background: var(--bg-secondary);
    transform: translateX(2px);
}

/* Hero Section */
.blog-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, #8b5cf6 50%, var(--accent-color) 100%);
    color: white;
    padding: var(--space-20) 0;
    position: relative;
    overflow: hidden;
    min-height: 500px;
    display: flex;
    align-items: center;
}

.blog-header::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 1000 100" fill="rgba(255,255,255,0.1)"><polygon points="1000,100 1000,0 0,100"/></svg>');
    background-size: cover;
    pointer-events: none;
}

.blog-header .container {
    position: relative;
    z-index: 1;
}

/* Post Cards */
.post-card {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.post-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.post-card .card-img-top {
    transition: transform 0.3s ease;
}

.post-card:hover .card-img-top {
    transform: scale(1.05);
}

/* Blog Cards */
.blog-card {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.blog-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

/* Badges */
.badge {
    font-weight: 500;
    border-radius: var(--radius-md);
    padding: var(--space-1) var(--space-2);
    font-size: 0.75rem;
}

.badge.bg-primary {
    background: var(--primary-color) !important;
}

.badge.bg-success {
    background: var(--success-color) !important;
}

.badge.bg-danger {
    background: var(--danger-color) !important;
}

.badge.bg-warning {
    background: var(--warning-color) !important;
}

.badge.bg-info {
    background: var(--info-color) !important;
}

/* Alerts */
.alert {
    border: none;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    backdrop-filter: blur(10px);
    border-left: 4px solid;
    padding: var(--space-4);
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
    border-left-color: var(--success-color);
}

.alert-danger {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger-color);
    border-left-color: var(--danger-color);
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning-color);
    border-left-color: var(--warning-color);
}

.alert-info {
    background: rgba(59, 130, 246, 0.1);
    color: var(--info-color);
    border-left-color: var(--info-color);
}

/* Banner Spaces */
.banner-space {
    background: var(--bg-secondary);
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--space-8);
    text-align: center;
    color: var(--text-muted);
    margin: var(--space-4) 0;
    transition: all 0.3s ease;
}

.banner-space:hover {
    border-color: var(--primary-color);
    background: rgba(99, 102, 241, 0.05);
    transform: translateY(-2px);
}

/* Footer */
.footer {
    background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
    color: white;
    padding: var(--space-16) 0 var(--space-8);
    margin-top: var(--space-20);
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
}

.footer a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.15s ease;
}

.footer a:hover {
    color: white;
}

/* Loading States */
.loading {
    opacity: 0.7;
    pointer-events: none;
    position: relative;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px;
    border: 2px solid var(--primary-color);
    border-top: 2px solid transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

    100% {
        transform: rotate(360deg);
    }
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(20px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.fade-in {
    animation: fadeIn 0.6s ease-out;
}

.slide-in-left {
    animation: slideInLeft 0.6s ease-out;
}

.slide-in-right {
    animation: slideInRight 0.6s ease-out;
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Selection */
::selection {
    background: rgba(99, 102, 241, 0.2);
    color: var(--text-primary);
}

/* Focus States for Accessibility */
*:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

button:focus,
.btn:focus {
    outline: none;
    box-shadow: 0 0 0 0.2rem rgba(99, 102, 241, 0.25);
}

/* Responsive Design */
@media (max-width: 768px) {
    .blog-header {
        padding: var(--space-16) 0;
        min-height: 400px;
    }

    .navbar-brand {
        font-size: 1.25rem;
    }

    .container {
        padding-left: var(--space-4);
        padding-right: var(--space-4);
    }

    .card-body {
        padding: var(--space-4);
    }

    .btn {
        padding: var(--space-3) var(--space-4);
    }
}

@media (max-width: 576px) {
    .blog-header {
        padding: var(--space-12) 0;
    }

    .card-body {
        padding: var(--space-3);
    }

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

/* Utility Classes */
.text-gradient {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.glass-effect {
    backdrop-filter: blur(20px);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.hover-lift {
    transition: transform 0.2s ease;
}

.hover-lift:hover {
    transform: translateY(-2px);
}

.shadow-soft {
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
}

/* Featured Blogs Sidebar Styling */
.featured-blogs-card .blogs-list .blog-item {
    padding: var(--space-4);
    margin-bottom: var(--space-3);
    transition: all 0.2s ease;
}

.featured-blogs-card .blogs-list .blog-item:last-child {
    margin-bottom: 0;
}

.featured-blogs-card .blogs-list .blog-item:hover {
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    transform: translateX(2px);
}

.featured-blogs-card .blogs-list .blog-item.border-bottom {
    border-bottom: 1px solid var(--border-light) !important;
    padding-bottom: var(--space-4);
}

.featured-blogs-card .blog-avatar .default-avatar {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
    color: white;
    font-size: 0.875rem;
}

.featured-blogs-card .blog-info .blog-name a:hover {
    color: var(--primary-color) !important;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}