/* ==========================================================================
   Design System - Painel Administrativo Tech News
   ========================================================================== */

:root {
    --bg-main: #0f172a;
    --bg-card: #1e293b;
    --bg-card-hover: #334155;
    --border-color: #334155;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --primary: #3b82f6;
    --primary-hover: #2563eb;
    --success: #10b981;
    --success-hover: #059669;
    --danger: #ef4444;
    --danger-hover: #dc2626;
    --warning: #f59e0b;
    --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

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

body {
    font-family: var(--font-sans);
    background-color: var(--bg-main);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.5;
}

/* Layout Geral */
.admin-layout {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 260px;
    background-color: var(--bg-card);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    padding: 1.5rem 1rem;
}

.brand {
    font-size: 1.15rem;
    font-weight: 700;
    color: #60a5fa;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    margin-bottom: 2rem;
    padding-left: 0.5rem;
}

.brand .logo-icon {
    width: 28px;
    height: 28px;
    border-radius: 6px;
    object-fit: contain;
    display: block;
}

.nav-menu {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    flex: 1;
}

.nav-item a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.2s ease;
}

.nav-item a:hover, .nav-item.active a {
    background-color: var(--primary);
    color: #ffffff;
}

.badge-pending {
    background-color: var(--warning);
    color: #0f172a;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.2rem 0.5rem;
    border-radius: 9999px;
}

.user-footer {
    border-top: 1px solid var(--border-color);
    padding-top: 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.user-info {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.btn-logout {
    color: var(--danger);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 600;
}

/* Conteúdo Principal */
.main-content {
    flex: 1;
    padding: 2rem;
    overflow-y: auto;
}

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

.page-title {
    font-size: 1.75rem;
    font-weight: 700;
}

.page-subtitle {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Cards e Estatísticas */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

.stat-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
}

.stat-value.pending { color: var(--warning); }
.stat-value.published { color: var(--success); }
.stat-value.rejected { color: var(--danger); }

/* Tabela e Listagens */
.table-container {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
}

table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

th {
    background-color: rgba(255, 255, 255, 0.03);
    padding: 1rem 1.25rem;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
}

td {
    padding: 1.25rem;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.9rem;
    vertical-align: middle;
}

tr:hover td {
    background-color: rgba(255, 255, 255, 0.02);
}

/* Badges de Status */
.status-badge {
    display: inline-block;
    padding: 0.25rem 0.6rem;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.status-PENDING_REVIEW { background: rgba(245, 158, 11, 0.15); color: #fbbf24; border: 1px solid #f59e0b; }
.status-PUBLISHED { background: rgba(16, 185, 129, 0.15); color: #34d399; border: 1px solid #10b981; }
.status-REJECTED { background: rgba(239, 68, 68, 0.15); color: #f87171; border: 1px solid #ef4444; }

/* Botões */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-size: 0.875rem;
    font-weight: 600;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: background-color 0.2s;
}

.btn-primary { background-color: var(--primary); color: #fff; }
.btn-primary:hover { background-color: var(--primary-hover); }

.btn-success { background-color: var(--success); color: #fff; }
.btn-success:hover { background-color: var(--success-hover); }

.btn-danger { background-color: var(--danger); color: #fff; }
.btn-danger:hover { background-color: var(--danger-hover); }

.btn-secondary { background-color: #475569; color: #fff; }
.btn-secondary:hover { background-color: #334155; }

.action-buttons {
    display: flex;
    gap: 0.5rem;
}

/* Formulário de Login */
.login-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.login-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    width: 100%;
    max-width: 400px;
    padding: 2.5rem;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.5);
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    background-color: #0f172a;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: #fff;
    font-size: 1rem;
}

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

.alert-danger {
    background-color: rgba(239, 68, 68, 0.15);
    border: 1px solid var(--danger);
    color: #fca5a5;
    padding: 0.75rem 1rem;
    border-radius: 6px;
    margin-bottom: 1.25rem;
    font-size: 0.875rem;
}

/* Formatação do Artigo e Controle Estrito de Imagens no Admin */
.article-body {
    max-width: 100%;
    overflow-wrap: break-word;
    word-break: break-word;
}

.article-body img {
    max-width: 100% !important;
    max-height: 480px !important;
    height: auto !important;
    object-fit: contain !important;
    border-radius: 10px;
    margin: 1.5rem auto;
    display: block;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.45);
    border: 1px solid rgba(255, 255, 255, 0.08);
    background-color: #0b0f19;
}

.article-body h2 {
    font-size: 1.4rem;
    font-weight: 700;
    color: #f8fafc;
    margin: 2rem 0 0.85rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.4rem;
}

.article-body h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #93c5fd;
    margin: 1.5rem 0 0.6rem;
}

.article-body p {
    font-size: 1.02rem;
    line-height: 1.75;
    color: #cbd5e1;
    margin-bottom: 1.25rem;
}

.article-body ul, .article-body ol {
    margin: 1rem 0 1.5rem 1.5rem;
    color: #cbd5e1;
}

.article-body li {
    margin-bottom: 0.4rem;
}