/* ==========================================================================
   Il Pianello - Web Server Styles
   Mobile-first responsive design
   ========================================================================== */

:root {
    --primary: #E6C24A;
    --primary-dark: #d4a83a;
    --dark: #333333;
    --text: #444444;
    --text-light: #666666;
    --bg: #F4F0E6;
    --white: #ffffff;
    --border: #e0dcd2;
    --success: #22c55e;
    --danger: #ef4444;
    --shadow: 0 2px 8px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.12);
    --radius: 8px;
    --radius-lg: 12px;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
    min-height: 100vh;
}

/* ==========================================================================
   Header
   ========================================================================== */

.header {
    background: var(--white);
    border-bottom: 1px solid var(--border);
    padding: 12px 16px;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    color: var(--dark);
    font-weight: 700;
    font-size: 18px;
}

.logo-img {
    height: 36px;
    width: auto;
}

.nav {
    display: flex;
    gap: 4px;
    flex: 1;
}

.nav-link {
    padding: 8px 12px;
    border-radius: var(--radius);
    text-decoration: none;
    color: var(--text-light);
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s;
}

.nav-link:hover {
    background: var(--bg);
    color: var(--dark);
}

.nav-link.active {
    background: var(--primary);
    color: var(--dark);
}

.header-actions {
    display: flex;
    gap: 8px;
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 16px;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
}

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

.btn-secondary:hover {
    background: var(--bg);
}

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

.btn-success:hover {
    background: #16a34a;
}

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

.btn-danger:hover {
    background: #dc2626;
}

.btn-ghost {
    background: transparent;
    color: var(--text-light);
}

.btn-ghost:hover {
    background: var(--bg);
    color: var(--dark);
}

.btn-warning {
    background: #f59e0b;
    color: var(--white);
}

.btn-warning:hover {
    background: #d97706;
}

.btn-small {
    padding: 6px 10px;
    font-size: 12px;
}

.btn-full {
    width: 100%;
}

/* ==========================================================================
   Main Content
   ========================================================================== */

.main {
    padding: 20px 16px;
    max-width: 1400px;
    margin: 0 auto;
}

/* ==========================================================================
   Dashboard
   ========================================================================== */

.dashboard-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
}

.dashboard-header h1 {
    font-size: 24px;
    font-weight: 700;
    color: var(--dark);
}

.badge {
    background: var(--primary);
    color: var(--dark);
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

/* ==========================================================================
   Search Box
   ========================================================================== */

.search-box {
    margin-bottom: 20px;
}

.search-box input {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 14px;
    background: var(--white);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.search-box input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(230, 194, 74, 0.2);
}

.search-box input::placeholder {
    color: var(--text-light);
}

/* ==========================================================================
   Posts Grid
   ========================================================================== */

.posts-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
}

.post-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.2s;
}

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

.post-card-sticky {
    border: 2px solid #f59e0b;
    position: relative;
}

.sticky-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    background: #f59e0b;
    color: white;
    font-size: 11px;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 20px;
    z-index: 10;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

.post-link {
    display: block;
    text-decoration: none;
    color: inherit;
    cursor: pointer;
}

.post-image {
    aspect-ratio: 16/9;
    overflow: hidden;
    background: var(--bg);
}

.post-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.post-image-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    opacity: 0.3;
}

.post-image-default {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 20px;
    background: var(--bg);
}

.post-content {
    padding: 16px;
}

.post-meta {
    display: flex;
    gap: 12px;
    margin-bottom: 8px;
    font-size: 12px;
}

.post-category {
    background: var(--primary);
    color: var(--dark);
    padding: 2px 8px;
    border-radius: 4px;
    font-weight: 600;
}

.post-date {
    color: var(--text-light);
}

.post-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 12px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.post-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    padding: 0 16px 16px;
}

.inline-form {
    display: inline;
}

/* ==========================================================================
   Empty State
   ========================================================================== */

.empty-state {
    text-align: center;
    padding: 60px 20px;
}

.empty-icon {
    font-size: 64px;
    margin-bottom: 16px;
}

.empty-state h2 {
    font-size: 24px;
    color: var(--dark);
    margin-bottom: 8px;
}

.empty-state p {
    color: var(--text-light);
    margin-bottom: 24px;
}

/* ==========================================================================
   Article Form
   ========================================================================== */

.article-form-page {
    max-width: 1200px;
    margin: 0 auto;
}

.form-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
}

.form-header h1 {
    font-size: 24px;
    font-weight: 700;
    color: var(--dark);
}

.form-grid {
    display: grid;
    gap: 24px;
}

.form-main {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-sidebar {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.form-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 20px;
    box-shadow: var(--shadow);
}

.form-card h3 {
    font-size: 14px;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-group {
    margin-bottom: 16px;
}

.form-group:last-child {
    margin-bottom: 0;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--dark);
    margin-bottom: 6px;
}

.form-group input[type="text"],
.form-group input[type="password"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 14px;
    font-family: inherit;
    transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
}

.form-group textarea {
    resize: vertical;
    min-height: 200px;
}

.form-group input[type="file"] {
    font-size: 14px;
}

.form-hint {
    font-size: 12px;
    color: var(--text-light);
    margin-top: 6px;
}

.form-actions {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.current-image {
    margin-bottom: 16px;
}

.current-image img {
    width: 100%;
    border-radius: var(--radius);
}

.image-preview img {
    width: 100%;
    border-radius: var(--radius);
    margin-top: 12px;
}

/* ==========================================================================
   Login
   ========================================================================== */

.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.login-container {
    width: 100%;
    max-width: 400px;
}

.login-box {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 40px 30px;
    box-shadow: var(--shadow-lg);
}

.login-header {
    text-align: center;
    margin-bottom: 32px;
}

.login-logo {
    height: 80px;
    width: auto;
    display: block;
    margin: 0 auto 16px;
}

.login-header h1 {
    font-size: 24px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 4px;
}

.login-header p {
    color: var(--text-light);
}

.login-form .form-group {
    margin-bottom: 20px;
}

/* ==========================================================================
   Alerts
   ========================================================================== */

.alert {
    padding: 12px 16px;
    border-radius: var(--radius);
    margin-bottom: 20px;
    font-size: 14px;
}

.alert-error {
    background: #fef2f2;
    color: #dc2626;
    border: 1px solid #fecaca;
}

.alert-success {
    background: #f0fdf4;
    color: #16a34a;
    border: 1px solid #bbf7d0;
}

/* ==========================================================================
   Responsive - Tablet
   ========================================================================== */

@media (min-width: 640px) {
    .posts-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .form-grid {
        grid-template-columns: 2fr 1fr;
    }

    .form-main {
        order: 1;
    }

    .form-sidebar {
        order: 2;
    }
}

/* ==========================================================================
   Responsive - Desktop
   ========================================================================== */

@media (min-width: 1024px) {
    .header {
        padding: 16px 24px;
    }

    .main {
        padding: 32px 24px;
    }

    .posts-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
    }

    .post-title {
        font-size: 18px;
    }
}

@media (min-width: 1280px) {
    .posts-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* ==========================================================================
   Mobile Navigation
   ========================================================================== */

@media (max-width: 639px) {
    .header-container {
        justify-content: space-between;
    }

    .nav {
        order: 3;
        width: 100%;
        justify-content: center;
        margin-top: 8px;
        padding-top: 12px;
        border-top: 1px solid var(--border);
    }

    .nav-link {
        font-size: 12px;
        padding: 8px 10px;
    }

    .logo-text {
        display: none;
    }

    .header-actions .btn-ghost {
        display: none;
    }
}