/* ========================================================
   SISTEMA GERADOR DE ARTES E ANÚNCIOS — DESIGN SYSTEM
   Modern Dark Premium UI com Toques Esportivos USEEM
   ======================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Montserrat:wght@500;700;800;900&family=Bebas+Neue&family=Poppins:wght@400;500;600;700&display=swap');

:root {
  --bg-main: #0c0d10;
  --bg-card: #131418;
  --bg-card-hover: #1a1c22;
  --bg-sidebar: #0f1014;
  --bg-surface: #181920;
  --border-subtle: rgba(255, 255, 255, 0.07);
  --border-focus: #ff5500;
  
  --primary: #ff5500;
  --primary-hover: #ff6a1a;
  --primary-glow: rgba(255, 85, 0, 0.25);
  
  --accent: #6366f1;
  --accent-hover: #4f46e5;
  
  --success: #10b981;
  --danger: #ef4444;
  --warning: #f59e0b;
  
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-subtle: #64748b;
  
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-brand: 'Montserrat', sans-serif;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 16px 36px rgba(0, 0, 0, 0.7);
  --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

/* Scrollbars estilizadas */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-main);
}
::-webkit-scrollbar-thumb {
  background: #27272a;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: #3f3f46;
}

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

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

/* Sidebar */
.app-sidebar {
  width: 260px;
  background-color: var(--bg-sidebar);
  border-right: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  z-index: 40;
}

.sidebar-brand {
  padding: 24px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--border-subtle);
}

.brand-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, #ff5500, #ff8533);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 16px var(--primary-glow);
}

.brand-name {
  font-family: var(--font-brand);
  font-weight: 800;
  font-size: 16px;
  letter-spacing: 0.5px;
  color: #fff;
  display: flex;
  flex-direction: column;
}

.brand-name span {
  font-size: 10px;
  color: var(--primary);
  font-weight: 700;
  letter-spacing: 2px;
  margin-top: -2px;
}

.sidebar-menu {
  padding: 16px 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
  overflow-y: auto;
}

.menu-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-subtle);
  padding: 12px 12px 4px;
  font-weight: 700;
}

.menu-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 500;
  transition: var(--transition);
}

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

.menu-link.active {
  color: #fff;
  background: linear-gradient(90deg, rgba(255, 85, 0, 0.15), rgba(255, 85, 0, 0.03));
  border-left: 3px solid var(--primary);
  font-weight: 600;
}

.menu-link svg {
  width: 18px;
  height: 18px;
  stroke-width: 2;
}

.sidebar-footer {
  padding: 16px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(0, 0, 0, 0.2);
}

.user-badge {
  display: flex;
  align-items: center;
  gap: 10px;
}

.user-avatar {
  width: 34px;
  height: 34px;
  background: #27272a;
  border: 1px solid var(--border-subtle);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 13px;
  color: var(--primary);
}

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

.user-name {
  font-size: 13px;
  font-weight: 600;
  color: #fff;
}

.user-role {
  font-size: 11px;
  color: var(--text-subtle);
}

/* Área Principal */
.app-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

/* Topbar */
.app-topbar {
  height: 68px;
  background-color: rgba(15, 16, 20, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
  position: sticky;
  top: 0;
  z-index: 30;
}

.topbar-title {
  font-size: 20px;
  font-weight: 700;
  font-family: var(--font-brand);
  letter-spacing: -0.5px;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Conteúdo da Página */
.page-content {
  padding: 32px;
  flex: 1;
}

/* Botões */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 9px 18px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), #e64a00);
  color: #fff;
  box-shadow: 0 4px 14px var(--primary-glow);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-hover), var(--primary));
  box-shadow: 0 6px 20px var(--primary-glow);
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: var(--bg-surface);
  color: var(--text-main);
  border: 1px solid var(--border-subtle);
}

.btn-secondary:hover {
  background-color: var(--bg-card-hover);
  border-color: rgba(255, 255, 255, 0.15);
  color: #fff;
}

.btn-danger {
  background-color: rgba(239, 68, 68, 0.15);
  color: #f87171;
  border: 1px solid rgba(239, 68, 68, 0.3);
}

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

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

.btn-lg {
  padding: 12px 24px;
  font-size: 15px;
  border-radius: var(--radius-md);
}

/* Cards & Grids */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-bottom: 32px;
}

.stat-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  transition: var(--transition);
}

.stat-card:hover {
  border-color: rgba(255, 255, 255, 0.15);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.stat-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 85, 0, 0.12);
  color: var(--primary);
}

.stat-value {
  font-size: 26px;
  font-weight: 800;
  font-family: var(--font-brand);
  color: #fff;
}

.stat-label {
  font-size: 12px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Banner Sazonal */
.seasonal-banner {
  background: linear-gradient(135deg, rgba(255, 85, 0, 0.15), rgba(99, 102, 241, 0.15));
  border: 1px solid rgba(255, 85, 0, 0.3);
  border-radius: var(--radius-md);
  padding: 18px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
  gap: 16px;
}

.seasonal-info {
  display: flex;
  align-items: center;
  gap: 14px;
}

.seasonal-badge {
  background: var(--primary);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 4px 8px;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Formulários */
.form-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 28px;
  max-width: 800px;
}

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

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 6px;
  color: #cbd5e1;
}

.form-control {
  width: 100%;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  color: #fff;
  font-size: 14px;
  font-family: inherit;
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
}

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

/* Flash alerts */
.alert {
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  margin-bottom: 24px;
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.alert-success {
  background-color: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: #34d399;
}

.alert-danger {
  background-color: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #f87171;
}

/* Tabela e Listagens */
.table-responsive {
  overflow-x: auto;
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
}

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

.data-table th {
  padding: 14px 18px;
  background-color: rgba(255, 255, 255, 0.02);
  border-bottom: 1px solid var(--border-subtle);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-subtle);
}

.data-table td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 14px;
  vertical-align: middle;
}

.data-table tr:hover td {
  background-color: rgba(255, 255, 255, 0.015);
}

.thumb-preview {
  width: 54px;
  height: 54px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
}