/* ==========================================================================
   VICTOR MELO — ADMIN PANEL STYLESHEET
   Clean, Editorial, High-Efficiency Administration Interface
   ========================================================================== */

:root {
  --admin-bg: #f4f5f8;
  --admin-surface: #ffffff;
  --admin-sidebar-bg: #090e17;
  --admin-sidebar-text: #c3cfde;
  --admin-border: #e2e8f0;
  --admin-border-dark: #1e293b;
  
  --admin-text-main: #0f172a;
  --admin-text-muted: #64748b;
  
  --admin-primary: #0052ff;
  --admin-primary-hover: #003ec7;
  --admin-danger: #ef4444;
  --admin-danger-hover: #dc2626;
  --admin-success: #10b981;
  --admin-warning: #f59e0b;

  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'DM Mono', 'SF Mono', Consolas, monospace;
}

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

body.admin-body {
  background-color: var(--admin-bg);
  color: var(--admin-text-main);
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.5;
}

a {
  color: inherit;
  text-decoration: none;
}

/* Layout */
.admin-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: 100vh;
}

/* Sidebar */
.admin-sidebar {
  background-color: var(--admin-sidebar-bg);
  color: var(--admin-sidebar-text);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border-right: 1px solid var(--admin-border-dark);
  position: sticky;
  top: 0;
  height: 100vh;
  padding: 1.5rem;
}

.admin-brand {
  padding-bottom: 2rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.admin-logo {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 600;
  color: #ffffff;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.brand-dot {
  color: #f43f5e;
}

.admin-badge {
  font-size: 0.65rem;
  text-transform: uppercase;
  background: rgba(0, 82, 255, 0.25);
  color: #93c5fd;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  letter-spacing: 0.05em;
}

.admin-nav {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-top: 1.5rem;
  flex: 1;
}

.admin-nav-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  border-radius: 6px;
  font-weight: 500;
  color: var(--admin-sidebar-text);
  transition: all 0.2s ease;
}

.admin-nav-item:hover, .admin-nav-item.active {
  background-color: rgba(255, 255, 255, 0.08);
  color: #ffffff;
}

.admin-nav-item.active {
  background-color: var(--admin-primary);
}

.nav-icon {
  font-size: 1.1rem;
}

.admin-sidebar-footer {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.admin-ext-link {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: #94a3b8;
}

.admin-ext-link:hover {
  color: #ffffff;
}

.admin-user-info {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.user-avatar {
  width: 34px;
  height: 34px;
  background-color: #334155;
  color: #ffffff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.85rem;
}

.user-meta {
  display: flex;
  flex-direction: column;
}

.user-name {
  color: #ffffff;
  font-weight: 600;
  font-size: 0.85rem;
}

.user-email {
  color: #64748b;
  font-size: 0.72rem;
}

.admin-logout-btn {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: #f87171;
  padding: 0.5rem 0;
}

.admin-logout-btn:hover {
  color: #ef4444;
}

/* Main Content Area */
.admin-main {
  display: flex;
  flex-direction: column;
}

.admin-topbar {
  background-color: var(--admin-surface);
  border-bottom: 1px solid var(--admin-border);
  padding: 1.25rem 2.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.admin-page-title {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.admin-content {
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

/* Buttons */
.admin-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.25rem;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.85rem;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.2s ease;
}

.admin-btn-primary {
  background-color: var(--admin-primary);
  color: #ffffff;
}

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

.admin-btn-secondary {
  background-color: #e2e8f0;
  color: var(--admin-text-main);
}

.admin-btn-secondary:hover {
  background-color: #cbd5e1;
}

.admin-btn-outline {
  border-color: var(--admin-border);
  background-color: #ffffff;
  color: var(--admin-text-main);
}

.admin-btn-outline:hover {
  background-color: #f8fafc;
}

.admin-btn-danger {
  background-color: var(--admin-danger);
  color: #ffffff;
}

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

.admin-btn-danger-outline {
  border-color: #fecdd3;
  color: #e11d48;
  background-color: #fff1f2;
}

.admin-btn-danger-outline:hover {
  background-color: #ffe4e6;
}

.admin-btn-sm {
  padding: 0.4rem 0.75rem;
  font-size: 0.78rem;
}

/* Stats Grid */
.dashboard-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
}

.stat-card {
  background-color: var(--admin-surface);
  border: 1px solid var(--admin-border);
  border-radius: 8px;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.stat-label {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--admin-text-muted);
  letter-spacing: 0.05em;
}

.stat-value {
  font-size: 2.2rem;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.stat-sub {
  font-size: 0.75rem;
  color: var(--admin-text-muted);
}

.text-success { color: var(--admin-success); }
.text-warning { color: var(--admin-warning); }
.text-primary { color: var(--admin-primary); }
.text-accent { color: #f43f5e; }

/* Cards & Tables */
.admin-card {
  background-color: var(--admin-surface);
  border: 1px solid var(--admin-border);
  border-radius: 8px;
  padding: 1.75rem;
}

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

.admin-card-header h2, .admin-card-header h3 {
  font-size: 1.15rem;
  font-weight: 700;
}

.table-responsive {
  overflow-x: auto;
}

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

.admin-table th {
  padding: 0.75rem 1rem;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--admin-text-muted);
  border-bottom: 1px solid var(--admin-border);
  background-color: #f8fafc;
}

.admin-table td {
  padding: 1rem;
  border-bottom: 1px solid var(--admin-border);
  vertical-align: middle;
}

.table-thumb {
  width: 64px;
  height: 42px;
  object-fit: cover;
  border-radius: 4px;
  border: 1px solid var(--admin-border);
}

.table-title-wrap {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.table-cat {
  font-size: 0.75rem;
  color: var(--admin-text-muted);
}

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

.badge {
  display: inline-block;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.badge-success { background: #dcfce7; color: #15803d; }
.badge-warning { background: #fef3c7; color: #b45309; }

/* Filter Card */
.admin-filter-card {
  background-color: var(--admin-surface);
  border: 1px solid var(--admin-border);
  border-radius: 8px;
  padding: 1.25rem;
}

.filter-form-grid {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  align-items: center;
}

.filter-group {
  flex: 1;
  min-width: 180px;
}

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

/* Forms */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  margin-bottom: 1.25rem;
}

.form-row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.form-group label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--admin-text-main);
}

.form-input, .form-select {
  padding: 0.65rem 0.85rem;
  border: 1px solid var(--admin-border);
  border-radius: 6px;
  font-size: 0.9rem;
  background-color: #ffffff;
}

.form-input:focus, .form-select:focus {
  outline: none;
  border-color: var(--admin-primary);
  box-shadow: 0 0 0 3px rgba(0, 82, 255, 0.1);
}

.form-input-lg {
  font-size: 1.1rem;
  padding: 0.85rem 1rem;
  font-weight: 600;
}

.form-input-sm, .form-select-sm {
  padding: 0.45rem 0.75rem;
  font-size: 0.82rem;
}

.form-help {
  font-size: 0.72rem;
  color: var(--admin-text-muted);
}

.editor-grid {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 2rem;
  align-items: flex-start;
}

.editor-main-col, .editor-sidebar-col {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.form-actions-stack {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 1rem;
}

.preview-box {
  margin-bottom: 0.75rem;
  border: 1px solid var(--admin-border);
  border-radius: 4px;
  overflow: hidden;
}

.img-preview {
  width: 100%;
  max-height: 180px;
  object-fit: cover;
}

.admin-gallery-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.admin-gallery-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem;
  background-color: #f8fafc;
  border: 1px solid var(--admin-border);
  border-radius: 6px;
}

.admin-gallery-item img {
  width: 60px;
  height: 45px;
  object-fit: cover;
  border-radius: 4px;
}

.admin-gallery-meta {
  flex: 1;
  font-size: 0.78rem;
  display: flex;
  flex-direction: column;
}

/* Alerts */
.admin-alert {
  padding: 0.85rem 1.25rem;
  border-radius: 6px;
  font-size: 0.88rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.alert-success { background: #dcfce7; color: #15803d; border: 1px solid #86efac; }
.alert-error { background: #fee2e2; color: #b91c1c; border: 1px solid #fca5a5; }

.alert-close {
  font-size: 1.2rem;
  color: inherit;
}

/* Modals */
.admin-modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 10000;
}

.admin-modal.visible {
  display: flex;
}

.admin-modal-dialog {
  background: #ffffff;
  padding: 2rem;
  border-radius: 8px;
  max-width: 450px;
  width: 90%;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.admin-modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
  margin-top: 1rem;
}

/* Login Page */
body.login-body {
  background-color: #090e17;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 1.5rem;
}

.login-card {
  background: #ffffff;
  border-radius: 8px;
  padding: 2.5rem;
  max-width: 420px;
  width: 100%;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

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

.login-brand {
  font-family: var(--font-mono);
  font-size: 1.6rem;
  font-weight: 700;
}

.login-header h2 {
  font-size: 1.25rem;
  margin-top: 0.75rem;
}

.login-header p {
  font-size: 0.82rem;
  color: var(--admin-text-muted);
  margin-top: 0.25rem;
}

.login-footer {
  text-align: center;
  margin-top: 1.75rem;
  font-size: 0.82rem;
  color: var(--admin-text-muted);
}