/* Modern Blog - Editorial Design System */

:root {
    --color-primary: #2c1810;
    --color-secondary: #8b6f47;
    --color-accent: #c89666;
    --color-light: #f5f1ed;
    --color-white: #ffffff;
    --color-text: #2c2c2c;
    --color-text-light: #6b6b6b;
    --color-border: #e0d5cc;
    --color-success: #4caf50;
    --color-error: #f44336;
    
    --font-display: 'Playfair Display', serif;
    --font-body: 'Inter', sans-serif;
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: var(--font-body);
    color: var(--color-text);
    background: var(--color-light);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.container-narrow {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Header */
.header {
    background: var(--color-white);
    padding: 1.5rem 0;
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
    animation: slideDown 0.6s ease-out;
}

@keyframes slideDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: -1px;
}

.nav {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    color: var(--color-text);
    font-weight: 500;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent);
    transition: var(--transition);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.auth-buttons {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.username-display {
    color: var(--color-secondary);
    font-weight: 500;
}

/* Buttons */
.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 0;
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    display: inline-block;
}

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

.btn-primary:hover {
    background: var(--color-secondary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(44, 24, 16, 0.2);
}

.btn-secondary {
    background: transparent;
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

.btn-secondary:hover {
    background: var(--color-light);
    border-color: var(--color-secondary);
}

.btn-success {
    background: var(--color-success);
    color: var(--color-white);
}

.btn-danger {
    background: var(--color-error);
    color: var(--color-white);
}

.btn-block {
    width: 100%;
}

/* Hero Section */
.hero {
    padding: 6rem 0 4rem;
    text-align: center;
    background: linear-gradient(135deg, var(--color-light) 0%, var(--color-white) 100%);
    animation: fadeIn 1s ease-out 0.2s both;
}

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

.hero-title {
    font-family: var(--font-display);
    font-size: 4rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 1rem;
    letter-spacing: -2px;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-light);
    font-weight: 300;
}

/* Categories */
.categories-section {
    padding: 2rem 0;
    background: var(--color-white);
    border-bottom: 1px solid var(--color-border);
    animation: fadeIn 1s ease-out 0.4s both;
}

.categories-wrapper {
    display: flex;
    gap: 1rem;
    overflow-x: auto;
    padding: 0.5rem 0;
}

.categories-wrapper::-webkit-scrollbar {
    height: 4px;
}

.categories-wrapper::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: 4px;
}

.category-btn {
    padding: 0.75rem 1.5rem;
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: 50px;
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-text);
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.category-btn:hover,
.category-btn.active {
    background: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
    transform: translateY(-2px);
}

/* Blog Section */
.blog-section {
    padding: 4rem 0;
    min-height: 50vh;
}

.blogs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
    animation: fadeIn 1s ease-out 0.6s both;
}

.blog-card {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    transition: var(--transition);
    cursor: pointer;
    overflow: hidden;
    animation: slideUp 0.6s ease-out both;
}

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

.blog-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1);
    border-color: var(--color-accent);
}

.blog-card-content {
    padding: 2rem;
}

.blog-card-category {
    display: inline-block;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-secondary);
    font-weight: 600;
    margin-bottom: 1rem;
}

.blog-card-title {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 0.75rem;
    line-height: 1.3;
}

.blog-card-excerpt {
    color: var(--color-text-light);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.blog-card-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
    color: var(--color-text-light);
    padding-top: 1rem;
    border-top: 1px solid var(--color-border);
}

.blog-card-author {
    font-weight: 500;
    color: var(--color-secondary);
}

/* Single Blog */
.blog-single {
    padding: 4rem 0;
    min-height: 70vh;
}

.edit-controls {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    padding: 1rem;
    background: var(--color-light);
    border: 1px solid var(--color-border);
    animation: slideDown 0.4s ease-out;
}

.blog-header {
    margin-bottom: 3rem;
    animation: fadeIn 0.8s ease-out;
}

.blog-category-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--color-accent);
    color: var(--color-white);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.blog-title {
    font-family: var(--font-display);
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1.2;
    margin-bottom: 1.5rem;
    letter-spacing: -2px;
}

.blog-title[contenteditable="true"] {
    border: 2px dashed var(--color-accent);
    padding: 0.5rem;
    outline: none;
}

.blog-meta {
    display: flex;
    gap: 2rem;
    font-size: 1rem;
    color: var(--color-text-light);
}

.blog-author strong {
    color: var(--color-secondary);
}

.blog-body {
    font-size: 1.1rem;
    line-height: 1.9;
    color: var(--color-text);
    white-space: pre-wrap;
    animation: fadeIn 0.8s ease-out 0.2s both;
}

.blog-body[contenteditable="true"] {
    border: 2px dashed var(--color-accent);
    padding: 1rem;
    outline: none;
    min-height: 300px;
}

.back-link {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--color-border);
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--color-text);
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--color-border);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: var(--transition);
    background: var(--color-white);
}

.form-control:focus {
    outline: none;
    border-color: var(--color-secondary);
    box-shadow: 0 0 0 3px rgba(139, 111, 71, 0.1);
}

textarea.form-control {
    resize: vertical;
    min-height: 150px;
    line-height: 1.7;
}

/* Login */
.login-section {
    padding: 4rem 0;
    min-height: 70vh;
    display: flex;
    align-items: center;
}

.login-box {
    background: var(--color-white);
    padding: 3rem;
    border: 1px solid var(--color-border);
    max-width: 500px;
    margin: 0 auto;
    width: 100%;
    animation: fadeIn 0.8s ease-out;
}

.login-title {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

.login-subtitle {
    color: var(--color-text-light);
    margin-bottom: 2rem;
}

.login-footer {
    margin-top: 2rem;
    text-align: center;
}

/* Create Post */
.create-section {
    padding: 4rem 0;
}

.section-title {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 2rem;
}

.create-form {
    background: var(--color-white);
    padding: 2rem;
    border: 1px solid var(--color-border);
}

.form-actions {
    display: flex;
    gap: 1rem;
}

/* Messages */
.message {
    padding: 1rem;
    margin-bottom: 1rem;
    border-radius: 4px;
    display: none;
}

.message.success {
    background: #e8f5e9;
    color: var(--color-success);
    border: 1px solid var(--color-success);
    display: block;
}

.message.error {
    background: #ffebee;
    color: var(--color-error);
    border: 1px solid var(--color-error);
    display: block;
}

/* Loading & Empty States */
.loading {
    text-align: center;
    padding: 3rem;
    color: var(--color-text-light);
    font-size: 1.1rem;
}

.no-blogs {
    text-align: center;
    padding: 3rem;
    color: var(--color-text-light);
}

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

/* Footer */
.footer {
    background: var(--color-primary);
    color: var(--color-white);
    padding: 2rem 0;
    text-align: center;
    margin-top: 4rem;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .blogs-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
        gap: 1.5rem;
    }
}

@media (max-width: 768px) {
    .container,
    .container-narrow {
        padding: 0 1.5rem;
    }
    
    .header-content {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }
    
    .nav {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
        width: 100%;
    }
    
    .auth-buttons {
        width: 100%;
        justify-content: flex-start;
    }
    
    .logo {
        font-size: 1.75rem;
    }
    
    .hero {
        padding: 4rem 0 3rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .blogs-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .blog-title {
        font-size: 2.5rem;
    }
    
    .blog-body {
        font-size: 1rem;
    }
    
    .login-box {
        padding: 2rem;
    }
    
    .create-form {
        padding: 1.5rem;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .edit-controls {
        flex-wrap: wrap;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .blog-title {
        font-size: 2rem;
    }
    
    .blog-card-title {
        font-size: 1.5rem;
    }
    
    .categories-wrapper {
        flex-wrap: nowrap;
        overflow-x: auto;
    }
}