/* ============================================
   ADMIN PANEL STYLES
   ============================================ */

/* Variables */
:root {
    --admin-bg: #0f1117;
    --admin-surface: #1a1d26;
    --admin-border: rgba(255, 255, 255, 0.1);
    --admin-primary: #6366f1;
    --admin-danger: #ef4444;
    --admin-success: #22c55e;
    --admin-warning: #f59e0b;
}

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

.admin-login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--admin-bg);
    padding: 2rem;
}

.admin-login-card {
    width: 100%;
    max-width: 400px;
    background: var(--admin-surface);
    border: 1px solid var(--admin-border);
    border-radius: 16px;
    padding: 2.5rem;
}

.admin-login-header {
    text-align: center;
    margin-bottom: 2rem;
}

.admin-logo {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.admin-login-header h1 {
    font-size: 1.5rem;
    color: #fff;
    margin-bottom: 0.5rem;
}

.admin-login-header p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
}

.admin-login-btn {
    width: 100%;
    margin-top: 1rem;
}

.admin-error {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    border-radius: 8px;
    color: #ef4444;
    font-size: 0.9rem;
    margin-top: 1rem;
}

.admin-back-link {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--admin-border);
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9rem;
    transition: color 0.2s;
}

.admin-back-link:hover {
    color: var(--admin-primary);
}

/* ============================================
   Admin Page Layout
   ============================================ */

.admin-page {
    min-height: 100vh;
    background: var(--admin-bg);
}

/* Old horizontal navbar - replaced by sidebar in AdminLayout.razor */
/*
.admin-nav-OLD {
    position: sticky;
    top: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 2rem;
    background: var(--admin-surface);
    border-bottom: 1px solid var(--admin-border);
    z-index: 100;
}
*/

.admin-nav-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 600;
    color: #fff;
}

.admin-nav-logo {
    font-size: 1.5rem;
}

.admin-nav-links {
    display: flex;
    gap: 0.5rem;
}

.admin-nav-link {
    padding: 0.5rem 1rem;
    color: rgba(255, 255, 255, 0.6);
    border-radius: 8px;
    font-size: 0.9rem;
    transition: all 0.2s;
}

.admin-nav-link:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.05);
}

.admin-nav-link.active {
    color: #fff;
    background: var(--admin-primary);
}

.admin-content {
    padding: 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

/* ============================================
   Articles List
   ============================================ */

.admin-list-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 2rem;
}

.admin-list-header h2 {
    font-size: 1.5rem;
    color: #fff;
}

.admin-loading,
.admin-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 4rem 2rem;
    text-align: center;
}

.admin-empty-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.admin-empty h3 {
    color: #fff;
    margin-bottom: 0.5rem;
}

.admin-empty p {
    color: rgba(255, 255, 255, 0.5);
}

.admin-articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 1.5rem;
}

.admin-article-card {
    background: var(--admin-surface);
    border: 1px solid var(--admin-border);
    border-radius: 12px;
    padding: 1.5rem;
    transition: border-color 0.2s;
}

.admin-article-card:hover {
    border-color: var(--admin-primary);
}

.admin-article-status {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    margin-bottom: 1rem;
}

.admin-article-status.published {
    background: rgba(34, 197, 94, 0.1);
    color: var(--admin-success);
}

.admin-article-status.draft {
    background: rgba(245, 158, 11, 0.1);
    color: var(--admin-warning);
}

.admin-article-title {
    font-size: 1.1rem;
    color: #fff;
    margin-bottom: 0.75rem;
    line-height: 1.4;
}

.admin-article-excerpt {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 1rem;
    line-height: 1.5;
}

.admin-article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.4);
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--admin-border);
}

.admin-article-actions {
    display: flex;
    gap: 0.5rem;
}

/* ============================================
   Editor
   ============================================ */

.admin-editor-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--admin-border);
}

.admin-editor-header h2 {
    font-size: 1.5rem;
    color: #fff;
}

.admin-editor-actions {
    display: flex;
    gap: 0.75rem;
}

.admin-editor-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-size: 0.9rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.8);
}

.form-input {
    padding: 0.75rem 1rem;
    background: var(--admin-bg);
    border: 1px solid var(--admin-border);
    border-radius: 8px;
    color: #fff;
    font-size: 0.95rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-input:focus {
    outline: none;
    border-color: var(--admin-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-input::placeholder {
    color: rgba(255, 255, 255, 0.3);
}

.form-textarea {
    resize: vertical;
    min-height: 100px;
}

.code-textarea {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.9rem;
    line-height: 1.6;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--admin-primary);
}

/* ============================================
   Buttons (Admin specific)
   ============================================ */

.btn-sm {
    padding: 0.5rem 0.75rem;
    font-size: 0.85rem;
}

.btn-danger {
    background: var(--admin-danger);
    color: #fff;
    border: none;
}

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

/* ============================================
   Utilities
   ============================================ */

.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.spinner-sm {
    width: 14px;
    height: 14px;
    border-width: 2px;
}

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

/* ============================================
   Responsive
   ============================================ */

/* ============================================
   Tech Modals Manager
   ============================================ */

.admin-layout {
    display: flex;
    min-height: 100vh;
    background: var(--admin-bg);
}

.admin-sidebar {
    width: 260px;
    background: var(--admin-surface);
    border-right: 1px solid var(--admin-border);
    display: flex;
    flex-direction: column;
    position: sticky;
    top: 0;
    height: 100vh;
}

.admin-sidebar-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--admin-border);
}

.admin-sidebar-header h3 {
    color: #fff;
    font-size: 1.1rem;
}

/* Styles moved to AdminLayout.razor */
/*
.admin-nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.5rem;
    color: rgba(255, 255, 255, 0.6);
    transition: all 0.2s;
}

.admin-nav-item:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.05);
}

.admin-nav-item.active {
    color: var(--admin-primary);
    background: rgba(99, 102, 241, 0.1);
    border-right: 3px solid var(--admin-primary);
}
*/

.admin-sidebar-footer {
    margin-top: auto;
    padding: 1.5rem;
    border-top: 1px solid var(--admin-border);
}

.admin-logout-btn {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem;
    background: transparent;
    border: 1px solid var(--admin-border);
    border-radius: 8px;
    color: rgba(255, 255, 255, 0.6);
    cursor: pointer;
    transition: all 0.2s;
}

.admin-logout-btn:hover {
    color: var(--admin-danger);
    border-color: var(--admin-danger);
}

.admin-content {
    flex: 1;
    padding: 2rem;
    overflow-y: auto;
}

.admin-header {
    margin-bottom: 2rem;
}

.admin-title {
    font-size: 1.75rem;
    color: #fff;
}

.admin-section {
    background: var(--admin-surface);
    border: 1px solid var(--admin-border);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.admin-section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--admin-border);
}

.admin-section-header h2 {
    font-size: 1.25rem;
    color: #fff;
}

/* Form Grid */
.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.form-group.full-width {
    grid-column: span 2;
}

.form-group small {
    color: rgba(255, 255, 255, 0.4);
    font-size: 0.8rem;
}

/* Admin Form Styles (for Case Studies, etc.) */
.admin-form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.admin-form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.admin-form-group label {
    font-size: 0.85rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.7);
}

.admin-form-group input[type="text"],
.admin-form-group input[type="number"],
.admin-form-group input[type="email"],
.admin-form-group textarea,
.admin-form-group select {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--admin-bg);
    border: 1px solid var(--admin-border);
    border-radius: 8px;
    color: #fff;
    font-size: 0.95rem;
    font-family: inherit;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.admin-form-group input:focus,
.admin-form-group textarea:focus,
.admin-form-group select:focus {
    outline: none;
    border-color: var(--admin-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

.admin-form-group input::placeholder,
.admin-form-group textarea::placeholder {
    color: rgba(255, 255, 255, 0.3);
}

.admin-form-group textarea {
    resize: vertical;
    min-height: 80px;
}

.admin-form-group input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--admin-primary);
}

.admin-form-divider {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--admin-primary);
    font-size: 0.95rem;
    font-weight: 600;
    margin: 2rem 0 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--admin-border);
}

.admin-hint {
    display: block;
    color: rgba(255, 255, 255, 0.4);
    font-size: 0.8rem;
    margin-top: 0.25rem;
}

/* Admin Modal Overlay */
.admin-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: 2rem;
    z-index: 1000;
    overflow-y: auto;
    backdrop-filter: blur(4px);
}

.admin-modal-overlay.with-preview {
    padding: 1rem;
}

.admin-modal {
    background: var(--admin-surface);
    border: 1px solid var(--admin-border);
    border-radius: 16px;
    width: 100%;
    max-width: 800px;
    max-height: calc(100vh - 4rem);
    display: flex;
    flex-direction: column;
    box-shadow: 0 24px 48px rgba(0, 0, 0, 0.5);
}

.admin-modal.admin-modal-large {
    max-width: 900px;
}

.admin-modal.modal-with-preview {
    max-width: 50%;
    max-height: calc(100vh - 2rem);
}

.admin-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--admin-border);
    flex-shrink: 0;
}

.admin-modal-header h2 {
    font-size: 1.25rem;
    color: #fff;
    margin: 0;
}

.admin-modal-close {
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.5);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.25rem;
    line-height: 1;
    border-radius: 4px;
    transition: all 0.2s;
}

.admin-modal-close:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.1);
}

.admin-modal-body {
    flex: 1;
    padding: 1.5rem;
    overflow-y: auto;
}

.admin-modal-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--admin-border);
    flex-shrink: 0;
}

/* Preview Panel (for Case Studies) */
.admin-preview-panel {
    position: fixed;
    top: 1rem;
    right: 1rem;
    bottom: 1rem;
    width: calc(50% - 2rem);
    background: var(--admin-bg);
    border: 1px solid var(--admin-border);
    border-radius: 16px;
    overflow-y: auto;
    z-index: 1001;
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--admin-bg);
    border: 1px solid var(--admin-border);
    border-radius: 8px;
    color: #fff;
    font-size: 0.95rem;
    transition: border-color 0.2s;
}

.form-control:focus {
    outline: none;
    border-color: var(--admin-primary);
}

textarea.form-control {
    resize: vertical;
    min-height: 80px;
    font-family: inherit;
}

.form-section-title {
    color: var(--admin-primary);
    font-size: 1rem;
    margin: 2rem 0 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--admin-border);
}

/* Stack Item Editor */
.stack-item-editor {
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--admin-border);
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 1rem;
}

.stack-item-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
}

/* Form Actions */
.form-actions {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--admin-border);
}

/* Blog Post List (reused for modals) */
.blog-post-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.blog-post-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.5rem;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--admin-border);
    border-radius: 8px;
    transition: border-color 0.2s;
}

.blog-post-item:hover {
    border-color: var(--admin-primary);
}

.post-info h3 {
    color: #fff;
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
}

.post-excerpt {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.85rem;
    margin-bottom: 0.5rem;
}

.post-status {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
}

.post-status.published {
    background: rgba(34, 197, 94, 0.1);
    color: var(--admin-success);
}

.post-status.draft {
    background: rgba(245, 158, 11, 0.1);
    color: var(--admin-warning);
}

.post-actions {
    display: flex;
    gap: 0.5rem;
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--admin-border);
    color: rgba(255, 255, 255, 0.6);
}

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

/* ============================================
   Responsive
   ============================================ */

@media (max-width: 1024px) {
    .admin-layout {
        flex-direction: column;
    }
    
    .admin-sidebar {
        width: 100%;
        height: auto;
        position: static;
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        padding: 1rem;
    }
    
    .admin-sidebar-header {
        border-bottom: none;
        padding: 0;
    }
    
    /* Removed - sidebar is now always vertical */
    
    .admin-sidebar-footer {
        margin-top: 0;
        border-top: none;
        padding: 0;
    }
    
    .admin-logout-btn {
        width: auto;
    }
}

@media (max-width: 768px) {
    .admin-content {
        padding: 1rem;
    }
    
    .form-row,
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .form-group.full-width {
        grid-column: span 1;
    }
    
    .admin-articles-grid {
        grid-template-columns: 1fr;
    }
    
    .admin-list-header,
    .admin-section-header {
        flex-direction: column;
        gap: 1rem;
        align-items: stretch;
    }
    
    .admin-article-actions,
    .post-actions {
        flex-wrap: wrap;
    }
    
    .blog-post-item {
        flex-direction: column;
        align-items: stretch;
        gap: 1rem;
    }
}