/* ═══════════════════════════════════════════════════════════════════════════
   VeoClass - Design System CSS
   Tema: Dark Mode Futurístico com Glassmorphism e Neon
   Paleta: Fundo #080b12 | Neon Cyan #00f5ff | Roxo #8b5cf6 | Rosa #ec4899
   ═══════════════════════════════════════════════════════════════════════════ */

/* ─── Fontes ──────────────────────────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;600;700;900&family=Inter:wght@300;400;500;600;700&display=swap');

/* ─── Variáveis CSS (Design Tokens) ──────────────────────────────────────── */
:root {
  /* Cores base */
  --bg-primary:    #080b12;
  --bg-secondary:  #0d1117;
  --bg-tertiary:   #131929;
  --bg-card:       rgba(13, 17, 23, 0.8);

  /* Neon principal */
  --neon-cyan:     #00f5ff;
  --neon-cyan-dim: #00c4cc;
  --neon-purple:   #8b5cf6;
  --neon-pink:     #ec4899;
  --neon-green:    #10b981;

  /* Gradientes */
  --grad-primary:  linear-gradient(135deg, #00f5ff 0%, #8b5cf6 100%);
  --grad-card:     linear-gradient(135deg, rgba(0,245,255,0.05) 0%, rgba(139,92,246,0.05) 100%);
  --grad-glow:     radial-gradient(ellipse at 50% 0%, rgba(0,245,255,0.15) 0%, transparent 70%);

  /* Texto */
  --text-primary:   #e2e8f0;
  --text-secondary: #94a3b8;
  --text-muted:     #475569;
  --text-accent:    #00f5ff;

  /* Bordas e glassmorphism */
  --border-glass:   rgba(0, 245, 255, 0.1);
  --border-glow:    rgba(0, 245, 255, 0.3);
  --glass-bg:       rgba(13, 25, 41, 0.6);
  --glass-blur:     blur(20px);

  /* Sombras neon */
  --shadow-cyan:    0 0 20px rgba(0, 245, 255, 0.2), 0 0 60px rgba(0, 245, 255, 0.05);
  --shadow-purple:  0 0 20px rgba(139, 92, 246, 0.3);
  --shadow-card:    0 8px 32px rgba(0, 0, 0, 0.4);

  /* Espaçamento */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;

  /* Tipografia */
  --font-display: 'Orbitron', monospace;
  --font-body:    'Inter', sans-serif;
  --radius-sm:    8px;
  --radius-md:    12px;
  --radius-lg:    16px;
  --radius-xl:    24px;

  /* Transições */
  --transition-fast:   150ms ease-out;
  --transition-normal: 250ms ease-out;
  --transition-slow:   400ms ease-out;
}

/* ─── Reset e Base ────────────────────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Fundo animado com partículas/gradiente */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 20% -5%, rgba(0,245,255,0.08) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 80% 100%, rgba(139,92,246,0.08) 0%, transparent 60%);
  pointer-events: none;
  z-index: 0;
}

/* ─── Tipografia ─────────────────────────────────────────────────────────── */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.05em;
  line-height: 1.2;
}

h1 { font-size: clamp(1.8rem, 4vw, 3rem); }
h2 { font-size: clamp(1.4rem, 3vw, 2rem); }
h3 { font-size: clamp(1.1rem, 2vw, 1.4rem); }

p { line-height: 1.7; }

a {
  color: var(--neon-cyan);
  text-decoration: none;
  transition: color var(--transition-fast);
}
a:hover { color: var(--text-primary); }

/* ─── Layout Principal ───────────────────────────────────────────────────── */
.app-layout {
  display: flex;
  min-height: 100vh;
  position: relative;
  z-index: 1;
}

/* ─── Sidebar ────────────────────────────────────────────────────────────── */
.sidebar {
  width: 260px;
  min-height: 100vh;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  border-right: 1px solid var(--border-glass);
  display: flex;
  flex-direction: column;
  padding: var(--space-lg);
  position: fixed;
  left: 0;
  top: 0;
  bottom: 0;
  z-index: 100;
  transition: transform var(--transition-normal);
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-2xl);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--border-glass);
}

.sidebar-logo-icon {
  width: 40px;
  height: 40px;
  background: var(--grad-primary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  box-shadow: var(--shadow-cyan);
}

.sidebar-logo-text {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 900;
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.sidebar-nav {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.nav-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 1px solid transparent;
  text-decoration: none;
}

.nav-item:hover {
  background: rgba(0, 245, 255, 0.05);
  border-color: var(--border-glass);
  color: var(--text-primary);
}

.nav-item.active {
  background: rgba(0, 245, 255, 0.1);
  border-color: rgba(0, 245, 255, 0.2);
  color: var(--neon-cyan);
  box-shadow: 0 0 12px rgba(0, 245, 255, 0.1);
}

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

.sidebar-footer {
  padding-top: var(--space-lg);
  border-top: 1px solid var(--border-glass);
}

.user-badge {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm);
  border-radius: var(--radius-md);
  background: var(--grad-card);
  border: 1px solid var(--border-glass);
}

.user-avatar {
  width: 36px;
  height: 36px;
  background: var(--grad-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
  flex-shrink: 0;
  color: var(--bg-primary);
}

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

.user-name {
  font-size: 0.85rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.user-plan {
  font-size: 0.7rem;
  color: var(--neon-cyan);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* ─── Conteúdo principal ─────────────────────────────────────────────────── */
.main-content {
  flex: 1;
  margin-left: 260px;
  padding: var(--space-xl);
  min-height: 100vh;
  position: relative;
}

.page-header {
  margin-bottom: var(--space-2xl);
}

.page-title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--space-xs);
}

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

/* ─── Cards de glassmorphism ─────────────────────────────────────────────── */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  box-shadow: var(--shadow-card);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.glass-card:hover {
  border-color: rgba(0, 245, 255, 0.15);
  box-shadow: var(--shadow-card), 0 0 30px rgba(0, 245, 255, 0.05);
}

.card-title {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: var(--space-md);
}

/* ─── Stat Cards ──────────────────────────────────────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-lg);
  margin-bottom: var(--space-2xl);
}

.stat-card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  position: relative;
  overflow: hidden;
  transition: all var(--transition-normal);
}

.stat-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--grad-card);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.stat-card:hover::before { opacity: 1; }

.stat-value {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: var(--space-xs);
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.stat-icon {
  position: absolute;
  top: var(--space-lg);
  right: var(--space-lg);
  font-size: 1.5rem;
  opacity: 0.2;
}

/* ─── Botões ─────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 12px var(--space-lg);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
  min-height: 44px; /* acessibilidade: touch target */
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

/* Botão primário com gradiente neon */
.btn-primary {
  background: var(--grad-primary);
  color: var(--bg-primary);
  font-weight: 700;
  box-shadow: 0 0 20px rgba(0, 245, 255, 0.2);
  position: relative;
  overflow: hidden;
}

.btn-primary::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.1);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.btn-primary:hover::after { opacity: 1; }
.btn-primary:hover {
  box-shadow: 0 0 30px rgba(0, 245, 255, 0.4), 0 0 60px rgba(0, 245, 255, 0.1);
  transform: translateY(-1px);
}
.btn-primary:active { transform: scale(0.98); }

/* Botão secundário com borda */
.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-glow);
}

.btn-secondary:hover {
  background: rgba(0, 245, 255, 0.05);
  border-color: var(--neon-cyan);
  color: var(--neon-cyan);
}

/* Botão ghost */
.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
}

.btn-ghost:hover {
  background: rgba(255,255,255,0.05);
  color: var(--text-primary);
}

/* Botão de perigo */
.btn-danger {
  background: transparent;
  color: #f87171;
  border: 1px solid rgba(248,113,113,0.3);
}

.btn-danger:hover {
  background: rgba(248,113,113,0.1);
  border-color: #f87171;
}

/* Botão grande */
.btn-lg {
  padding: 16px var(--space-xl);
  font-size: 1rem;
  border-radius: var(--radius-lg);
}

/* Botão pequeno */
.btn-sm {
  padding: 8px var(--space-md);
  font-size: 0.8rem;
  border-radius: var(--radius-sm);
  min-height: 32px;
}

/* Spinner no botão */
.btn-loading .btn-text { opacity: 0; }
.btn .spinner-sm {
  position: absolute;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(0,0,0,0.2);
  border-top-color: currentColor;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

/* ─── Upload Zone ─────────────────────────────────────────────────────────── */
.upload-zone {
  border: 2px dashed var(--border-glass);
  border-radius: var(--radius-xl);
  padding: var(--space-3xl) var(--space-xl);
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
  background: rgba(0, 245, 255, 0.02);
}

.upload-zone::before {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: var(--radius-xl);
  background: var(--grad-primary);
  opacity: 0;
  z-index: -1;
  transition: opacity var(--transition-normal);
}

.upload-zone:hover,
.upload-zone.drag-over {
  border-color: var(--neon-cyan);
  background: rgba(0, 245, 255, 0.05);
  box-shadow: 0 0 30px rgba(0, 245, 255, 0.1);
}

.upload-zone.drag-over {
  transform: scale(1.01);
}

.upload-icon {
  font-size: 3rem;
  margin-bottom: var(--space-md);
  display: block;
}

.upload-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.upload-subtitle {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.upload-preview {
  position: relative;
  display: inline-block;
  max-width: 100%;
}

.upload-preview img {
  max-width: 100%;
  max-height: 300px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-glass);
}

/* ─── Progress Bar ────────────────────────────────────────────────────────── */
.progress-container {
  margin: var(--space-lg) 0;
}

.progress-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-sm);
}

.progress-bar {
  height: 6px;
  background: rgba(255,255,255,0.05);
  border-radius: 999px;
  overflow: hidden;
  position: relative;
}

.progress-fill {
  height: 100%;
  background: var(--grad-primary);
  border-radius: 999px;
  transition: width 0.5s ease-out;
  position: relative;
}

.progress-fill::after {
  content: '';
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 12px;
  height: 12px;
  background: var(--neon-cyan);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--neon-cyan);
}

/* Animação de loading pulsante (quando sem porcentagem definida) */
.progress-indeterminate .progress-fill {
  width: 40% !important;
  animation: progress-pulse 1.5s ease-in-out infinite;
}

@keyframes progress-pulse {
  0%   { transform: translateX(-100%); }
  100% { transform: translateX(350%); }
}

/* ─── Loading Futurístico ────────────────────────────────────────────────── */
.loading-overlay {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-2xl);
  gap: var(--space-lg);
}

.loading-spinner {
  width: 64px;
  height: 64px;
  position: relative;
}

.loading-spinner::before,
.loading-spinner::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 3px solid transparent;
}

.loading-spinner::before {
  border-top-color: var(--neon-cyan);
  animation: spin 1s linear infinite;
  box-shadow: 0 0 15px var(--neon-cyan);
}

.loading-spinner::after {
  inset: 8px;
  border-bottom-color: var(--neon-purple);
  animation: spin 0.7s linear infinite reverse;
}

.loading-text {
  font-family: var(--font-display);
  font-size: 0.85rem;
  color: var(--text-secondary);
  letter-spacing: 0.15em;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.4; }
}

/* ─── Resultado da imagem gerada ─────────────────────────────────────────── */
.result-card {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--border-glass);
}

.result-image {
  width: 100%;
  display: block;
  max-height: 500px;
  object-fit: contain;
  background: var(--bg-secondary);
}

.result-actions {
  position: absolute;
  bottom: var(--space-md);
  right: var(--space-md);
  display: flex;
  gap: var(--space-sm);
}

/* ─── Histórico (Grid de imagens) ────────────────────────────────────────── */
.history-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--space-md);
}

.history-item {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-glass);
  aspect-ratio: 1;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.history-item:hover {
  border-color: var(--neon-cyan);
  transform: translateY(-2px);
  box-shadow: var(--shadow-cyan);
}

.history-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.history-item-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.8) 0%, transparent 50%);
  opacity: 0;
  transition: opacity var(--transition-fast);
  display: flex;
  align-items: flex-end;
  padding: var(--space-sm);
}

.history-item:hover .history-item-overlay { opacity: 1; }

.history-status {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.7rem;
  padding: 2px 8px;
  border-radius: 999px;
}

.history-status.completed {
  background: rgba(16, 185, 129, 0.2);
  color: var(--neon-green);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.history-status.failed {
  background: rgba(248, 113, 113, 0.2);
  color: #f87171;
  border: 1px solid rgba(248, 113, 113, 0.3);
}

.history-status.pending, .history-status.in_progress {
  background: rgba(0, 245, 255, 0.2);
  color: var(--neon-cyan);
  border: 1px solid rgba(0, 245, 255, 0.3);
}

/* ─── Planos (Pricing) ───────────────────────────────────────────────────── */
.plans-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
}

.plan-card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  position: relative;
  transition: all var(--transition-normal);
  overflow: hidden;
}

.plan-card.featured {
  border-color: rgba(0, 245, 255, 0.3);
  box-shadow: var(--shadow-cyan);
}

.plan-card.featured::before {
  content: 'RECOMENDADO';
  position: absolute;
  top: var(--space-lg);
  right: var(--space-lg);
  font-size: 0.65rem;
  font-family: var(--font-display);
  letter-spacing: 0.15em;
  color: var(--neon-cyan);
  background: rgba(0, 245, 255, 0.1);
  border: 1px solid rgba(0, 245, 255, 0.3);
  padding: 4px 10px;
  border-radius: 999px;
}

.plan-card.current {
  border-color: rgba(16, 185, 129, 0.3);
}

.plan-name {
  font-family: var(--font-display);
  font-size: 1.2rem;
  margin-bottom: var(--space-sm);
}

.plan-price {
  font-size: 2.5rem;
  font-weight: 700;
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: var(--space-lg);
}

.plan-price span {
  font-size: 1rem;
  opacity: 0.7;
}

.plan-features {
  list-style: none;
  margin-bottom: var(--space-xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.plan-features li {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.plan-features li::before {
  content: '✓';
  color: var(--neon-green);
  font-weight: 700;
  flex-shrink: 0;
}

/* ─── Formulários ────────────────────────────────────────────────────────── */
.form-group {
  margin-bottom: var(--space-lg);
}

label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: var(--space-sm);
  letter-spacing: 0.05em;
}

input, select, textarea {
  width: 100%;
  padding: 12px var(--space-md);
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: all var(--transition-fast);
  min-height: 44px;
  outline: none;
}

input::placeholder { color: var(--text-muted); }

input:focus, select:focus, textarea:focus {
  border-color: var(--neon-cyan);
  background: rgba(0, 245, 255, 0.03);
  box-shadow: 0 0 0 3px rgba(0, 245, 255, 0.08), 0 0 15px rgba(0, 245, 255, 0.05);
}

input.error { border-color: #f87171; }
input.error:focus { box-shadow: 0 0 0 3px rgba(248, 113, 113, 0.1); }

.form-error {
  font-size: 0.8rem;
  color: #f87171;
  margin-top: var(--space-xs);
  display: flex;
  align-items: center;
  gap: 4px;
}

.password-wrapper {
  position: relative;
}

.password-toggle {
  position: absolute;
  right: var(--space-md);
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px;
  font-size: 1rem;
  transition: color var(--transition-fast);
}

.password-toggle:hover { color: var(--text-primary); }

/* ─── Badges e Tags ──────────────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.badge-cyan  { background: rgba(0,245,255,0.15); color: var(--neon-cyan); border: 1px solid rgba(0,245,255,0.2); }
.badge-purple{ background: rgba(139,92,246,0.15); color: #a78bfa; border: 1px solid rgba(139,92,246,0.2); }
.badge-green { background: rgba(16,185,129,0.15); color: var(--neon-green); border: 1px solid rgba(16,185,129,0.2); }
.badge-red   { background: rgba(248,113,113,0.15); color: #f87171; border: 1px solid rgba(248,113,113,0.2); }
.badge-gray  { background: rgba(148,163,184,0.1); color: var(--text-secondary); border: 1px solid rgba(148,163,184,0.2); }

/* ─── Tabela (Admin) ─────────────────────────────────────────────────────── */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.data-table thead th {
  padding: var(--space-sm) var(--space-md);
  text-align: left;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-glass);
}

.data-table tbody tr {
  border-bottom: 1px solid rgba(255,255,255,0.03);
  transition: background var(--transition-fast);
}

.data-table tbody tr:hover {
  background: rgba(0, 245, 255, 0.03);
}

.data-table tbody td {
  padding: var(--space-sm) var(--space-md);
  vertical-align: middle;
}

.table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius-md);
}

/* ─── Notificações / Toast ────────────────────────────────────────────────── */
.toast-container {
  position: fixed;
  bottom: var(--space-xl);
  right: var(--space-xl);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  max-width: 380px;
}

.toast {
  background: var(--bg-secondary);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: var(--space-md) var(--space-lg);
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  box-shadow: var(--shadow-card);
  animation: toast-in 0.3s ease-out;
  font-size: 0.875rem;
}

.toast.success { border-color: rgba(16,185,129,0.3); }
.toast.error   { border-color: rgba(248,113,113,0.3); }
.toast.warning { border-color: rgba(251,191,36,0.3); }

@keyframes toast-in {
  from { transform: translateX(100%); opacity: 0; }
  to   { transform: translateX(0); opacity: 1; }
}

@keyframes toast-out {
  from { transform: translateX(0); opacity: 1; }
  to   { transform: translateX(100%); opacity: 0; }
}

/* ─── Modais ─────────────────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-md);
  animation: fade-in 0.2s ease-out;
}

.modal {
  background: var(--bg-secondary);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  max-width: 500px;
  width: 100%;
  box-shadow: var(--shadow-card);
  animation: modal-in 0.25s ease-out;
  position: relative;
}

.modal-close {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  transition: all var(--transition-fast);
}

.modal-close:hover {
  background: rgba(255,255,255,0.05);
  color: var(--text-primary);
}

@keyframes fade-in { from { opacity: 0; } to { opacity: 1; } }
@keyframes modal-in {
  from { opacity: 0; transform: scale(0.95) translateY(10px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}

/* ─── Landing page ───────────────────────────────────────────────────────── */
.landing-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-xl);
}

.auth-card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  width: 100%;
  max-width: 440px;
  box-shadow: var(--shadow-card), var(--shadow-cyan);
}

.auth-logo {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.auth-logo-icon {
  width: 64px;
  height: 64px;
  background: var(--grad-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  margin: 0 auto var(--space-md);
  box-shadow: var(--shadow-cyan);
}

.auth-logo-text {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 900;
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.auth-logo-tagline {
  font-size: 0.8rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  margin-top: 4px;
}

.auth-tabs {
  display: flex;
  background: rgba(255,255,255,0.03);
  border-radius: var(--radius-md);
  padding: 4px;
  margin-bottom: var(--space-xl);
  border: 1px solid var(--border-glass);
}

.auth-tab {
  flex: 1;
  padding: var(--space-sm);
  text-align: center;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  border: none;
  background: none;
}

.auth-tab.active {
  background: var(--grad-primary);
  color: var(--bg-primary);
  font-weight: 700;
}

/* ─── Geração counter ────────────────────────────────────────────────────── */
.gen-counter {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  background: var(--glass-bg);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-lg);
}

.gen-counter-icon {
  font-size: 1.5rem;
}

.gen-counter-info { flex: 1; }

.gen-counter-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.gen-counter-value {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.gen-counter-bar {
  height: 4px;
  background: rgba(255,255,255,0.05);
  border-radius: 999px;
  overflow: hidden;
  margin-top: 4px;
}

.gen-counter-fill {
  height: 100%;
  background: var(--grad-primary);
  border-radius: 999px;
  transition: width 0.5s ease-out;
}

/* ─── Responsivo: Mobile ─────────────────────────────────────────────────── */
.sidebar-toggle {
  display: none;
  position: fixed;
  top: var(--space-md);
  left: var(--space-md);
  z-index: 200;
  background: var(--glass-bg);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  backdrop-filter: var(--glass-blur);
}

@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }
  .sidebar.open {
    transform: translateX(0);
    box-shadow: 0 0 80px rgba(0,0,0,0.8);
  }
  .main-content {
    margin-left: 0;
    padding: var(--space-md);
    padding-top: calc(var(--space-2xl) + var(--space-md));
  }
  .sidebar-toggle {
    display: flex;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .plans-grid {
    grid-template-columns: 1fr;
  }
  .history-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .toast-container {
    left: var(--space-md);
    right: var(--space-md);
    bottom: var(--space-md);
    max-width: none;
  }
}

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }
  .auth-card {
    padding: var(--space-xl) var(--space-md);
  }
}

/* ─── Utilitários ────────────────────────────────────────────────────────── */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }
.text-center { text-align: center; }
.text-sm { font-size: 0.85rem; }
.text-muted { color: var(--text-secondary); }
.text-accent { color: var(--neon-cyan); }
.text-success { color: var(--neon-green); }
.text-danger { color: #f87171; }
.hidden { display: none !important; }
.w-full { width: 100%; }

/* Scrollbar personalizada */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: rgba(0, 245, 255, 0.2);
  border-radius: 999px;
}
::-webkit-scrollbar-thumb:hover { background: rgba(0, 245, 255, 0.4); }

/* Seleção de texto */
::selection {
  background: rgba(0, 245, 255, 0.3);
  color: var(--text-primary);
}