/* VD Analytics - Admin Panel Styles */

:root {
    --admin-bg: #f8fafc;
    --admin-sidebar-width: 260px;
    --admin-topbar-height: 70px;
}

/* Admin Body */
.admin-body {
    background: var(--admin-bg);
    min-height: 100vh;
}

.admin-login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, var(--color-primary) 0%, #1a2f45 100%);
}

/* ========================================
   LOGIN PAGE
   ======================================== */

.login-container {
    width: 100%;
    max-width: 450px;
    padding: var(--spacing-md);
}

.login-card {
    background: white;
    border-radius: 1.5rem;
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-xl);
}

.login-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.login-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.25rem;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.login-header h1 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

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

.login-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.login-form .form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.login-form label {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-text);
}

.login-form label svg {
    width: 18px;
    height: 18px;
}

.login-footer {
    margin-top: var(--spacing-lg);
    text-align: center;
}

.login-footer a {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--color-text-light);
    font-size: 0.9375rem;
    transition: color var(--transition-fast);
}

.login-footer a:hover {
    color: var(--color-accent);
}

.login-footer svg {
    width: 16px;
    height: 16px;
}

/* ========================================
   ADMIN LAYOUT
   ======================================== */

.admin-wrapper {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.admin-sidebar {
    position: fixed;
    left: 0;
    top: 0;
    width: var(--admin-sidebar-width);
    height: 100vh;
    background: white;
    border-right: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    z-index: 1000;
    transition: transform var(--transition-base);
}

.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
    height: var(--admin-topbar-height);
}

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 1.5rem;
    font-weight: 700;
}

.sidebar-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: none;
    border: none;
    border-radius: 0.375rem;
    cursor: pointer;
    transition: background var(--transition-fast);
}

.sidebar-toggle:hover {
    background: var(--color-border);
}

.sidebar-toggle svg {
    width: 20px;
    height: 20px;
}

.sidebar-nav {
    flex: 1;
    padding: var(--spacing-md);
    overflow-y: auto;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 0.75rem var(--spacing-sm);
    border-radius: 0.5rem;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: 0.25rem;
    transition: all var(--transition-fast);
}

.nav-item svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.nav-item:hover {
    background: rgba(74, 144, 226, 0.05);
    color: var(--color-accent);
}

.nav-item.active {
    background: rgba(74, 144, 226, 0.1);
    color: var(--color-accent);
}

.nav-divider {
    height: 1px;
    background: var(--color-border);
    margin: var(--spacing-md) 0;
}

.sidebar-footer {
    padding: var(--spacing-md);
    border-top: 1px solid var(--color-border);
}

.admin-user {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.admin-avatar {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    color: white;
    border-radius: 0.5rem;
    font-weight: 600;
}

.admin-info {
    flex: 1;
    min-width: 0;
}

.admin-name {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--color-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.admin-email {
    font-size: 0.8125rem;
    color: var(--color-text-light);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Main Content */
.admin-main {
    flex: 1;
    margin-left: var(--admin-sidebar-width);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.admin-topbar {
    position: sticky;
    top: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--admin-topbar-height);
    padding: 0 var(--spacing-lg);
    background: white;
    border-bottom: 1px solid var(--color-border);
}

.mobile-menu-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: none;
    border: none;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: background var(--transition-fast);
}

.mobile-menu-toggle:hover {
    background: var(--color-border);
}

.mobile-menu-toggle svg {
    width: 24px;
    height: 24px;
}

.topbar-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.admin-main-content {
    flex: 1;
    padding: var(--spacing-lg);
}

/* ========================================
   ADMIN COMPONENTS
   ======================================== */

/* Page Header */
.admin-content .page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-xl);
    padding: 0;
    background: transparent;
}

.admin-content .page-header h1 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
}

.page-subtitle {
    font-size: 0.9375rem;
    color: var(--color-text-light);
    margin-top: 0.25rem;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.stat-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    background: white;
    border: 1px solid var(--color-border);
    border-radius: 1rem;
    padding: var(--spacing-lg);
    transition: all var(--transition-base);
}

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

.stat-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    border-radius: 1rem;
    flex-shrink: 0;
}

.stat-icon svg {
    width: 28px;
    height: 28px;
    color: white;
}

.stat-primary {
    background: var(--gradient-primary);
}

.stat-success {
    background: linear-gradient(135deg, var(--color-success) 0%, #059669 100%);
}

.stat-info {
    background: linear-gradient(135deg, #8B5CF6 0%, #7C3AED 100%);
}

.stat-warning {
    background: linear-gradient(135deg, #F59E0B 0%, #D97706 100%);
}

.stat-content {
    flex: 1;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1;
}

.stat-label {
    font-size: 0.9375rem;
    color: var(--color-text-light);
    margin-top: 0.25rem;
}

.stat-detail {
    font-size: 0.875rem;
    color: var(--color-text-light);
    margin-top: 0.25rem;
}

/* Content Card */
.content-card {
    background: white;
    border: 1px solid var(--color-border);
    border-radius: 1rem;
    overflow: hidden;
    margin-bottom: var(--spacing-lg);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
}

.card-header h2 {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-primary);
}

.card-header h2 svg {
    width: 20px;
    height: 20px;
}

/* Table */
.table-responsive {
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table thead {
    background: var(--color-secondary);
}

.data-table th {
    padding: var(--spacing-sm) var(--spacing-md);
    text-align: left;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text);
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.data-table td {
    padding: var(--spacing-md);
    border-top: 1px solid var(--color-border);
    font-size: 0.9375rem;
}

.data-table tbody tr {
    transition: background var(--transition-fast);
}

.data-table tbody tr:hover {
    background: var(--color-secondary);
}

.article-title-cell {
    max-width: 300px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-weight: 500;
}

/* Badges & Status */
.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 0.375rem;
    font-size: 0.8125rem;
    font-weight: 600;
}

.badge-primary {
    background: rgba(74, 144, 226, 0.1);
    color: var(--color-accent);
}

.badge-crypto {
    background: rgba(139, 92, 246, 0.1);
    color: #8B5CF6;
}

.badge-defi {
    background: rgba(16, 185, 129, 0.1);
    color: var(--color-success);
}

.badge-risk-management {
    background: rgba(239, 68, 68, 0.1);
    color: var(--color-danger);
}

.badge-macro {
    background: rgba(245, 158, 11, 0.1);
    color: #F59E0B;
}

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.375rem 0.875rem;
    border-radius: 0.5rem;
    font-size: 0.875rem;
    font-weight: 600;
}

.status-published {
    background: rgba(16, 185, 129, 0.1);
    color: var(--color-success);
}

.status-draft {
    background: rgba(107, 114, 128, 0.1);
    color: #6B7280;
}

/* Action Buttons */
.action-buttons {
    display: flex;
    align-items: center;
    gap: 0.375rem;
}

.btn-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border: none;
    background: none;
    border-radius: 0.375rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-icon svg {
    width: 18px;
    height: 18px;
    color: var(--color-text-light);
}

.btn-icon:hover {
    background: rgba(74, 144, 226, 0.1);
}

.btn-icon:hover svg {
    color: var(--color-accent);
}

.btn-icon.btn-danger:hover {
    background: rgba(239, 68, 68, 0.1);
}

.btn-icon.btn-danger:hover svg {
    color: var(--color-danger);
}

/* Quick Actions */
.quick-actions h2 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.quick-actions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.quick-action-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg);
    background: white;
    border: 1px solid var(--color-border);
    border-radius: 1rem;
    text-align: center;
    transition: all var(--transition-base);
}

.quick-action-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.quick-action-card svg {
    width: 32px;
    height: 32px;
}

.quick-action-card span {
    font-weight: 500;
}

/* ========================================
   FORMS
   ======================================== */

.article-form {
    margin-bottom: var(--spacing-xl);
}

.form-layout {
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: var(--spacing-lg);
}

.form-main,
.form-sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.form-group label {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--color-text);
}

.form-group label.required::after {
    content: ' *';
    color: var(--color-danger);
}

.form-input,
.form-textarea,
.form-select {
    padding: 0.75rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: 0.5rem;
    font-family: inherit;
    font-size: 0.9375rem;
    transition: border-color var(--transition-fast);
}

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

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

.form-hint {
    font-size: 0.875rem;
    color: var(--color-text-light);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

/* File Upload */
.file-upload {
    position: relative;
}

.file-input {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

.file-label {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xl);
    border: 2px dashed var(--color-border);
    border-radius: 0.75rem;
    cursor: pointer;
    transition: all var(--transition-base);
    text-align: center;
}

.file-label:hover {
    border-color: var(--color-accent);
    background: rgba(74, 144, 226, 0.02);
}

.file-label svg {
    width: 32px;
    height: 32px;
    color: var(--color-accent);
}

.file-label span {
    font-size: 0.9375rem;
    color: var(--color-text);
}

.file-name {
    font-weight: 600;
    color: var(--color-accent);
}

.current-file,
.current-image {
    margin-bottom: var(--spacing-sm);
}

.current-file {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm);
    background: var(--color-secondary);
    border-radius: 0.5rem;
    font-size: 0.875rem;
}

.current-file svg {
    width: 18px;
    height: 18px;
    color: var(--color-accent);
}

.current-file a {
    margin-left: auto;
    color: var(--color-accent);
    font-weight: 500;
}

.current-image {
    max-width: 100%;
    border-radius: 0.5rem;
    overflow: hidden;
}

.current-image img {
    width: 100%;
    height: auto;
    display: block;
}

.image-preview {
    margin-top: var(--spacing-sm);
    border-radius: 0.5rem;
    overflow: hidden;
}

.image-preview img {
    width: 100%;
    height: auto;
    display: block;
}

/* Form Actions */
.form-actions {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.help-text {
    font-size: 0.875rem;
    line-height: 1.6;
}

.help-text p {
    margin-bottom: var(--spacing-sm);
}

.help-text strong {
    color: var(--color-primary);
    font-weight: 600;
}

.stats-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.stat-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-xs) 0;
    border-bottom: 1px solid var(--color-border);
}

.stat-item:last-child {
    border-bottom: none;
}

.stat-item .stat-label {
    font-size: 0.875rem;
    color: var(--color-text-light);
}

.stat-item .stat-value {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--color-primary);
}

/* Alerts */
.alert {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    border-radius: 0.5rem;
    margin-bottom: var(--spacing-md);
}

.alert svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--color-success);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    color: var(--color-danger);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

/* ========================================
   RESPONSIVE
   ======================================== */

@media (max-width: 1024px) {
    .form-layout {
        grid-template-columns: 1fr;
    }

    .form-sidebar {
        order: -1;
    }
}

@media (max-width: 768px) {
    .admin-sidebar {
        transform: translateX(-100%);
    }

    .admin-sidebar.active {
        transform: translateX(0);
    }

    .sidebar-toggle {
        display: flex;
    }

    .admin-main {
        margin-left: 0;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .topbar-actions .btn {
        padding: 0.5rem 0.75rem;
        font-size: 0.875rem;
    }

    .topbar-actions .btn span {
        display: none;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

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

    .quick-actions-grid {
        grid-template-columns: 1fr;
    }
}