/* ==========================================
   VeaSEOAI Web - Estilos Principales
   Dark theme con Plus Jakarta Sans
   ========================================== */

/* Variables */
:root {
  --bg-primary: #0a0a14;
  --bg-secondary: #12121f;
  --bg-card: #1a1a2e;
  --bg-card-hover: #1f1f35;
  --bg-input: #0f0f1a;
  --accent: #7c6aff;
  --accent-hover: #6b5ce7;
  --accent-light: rgba(124, 106, 255, 0.15);
  --text-primary: #e8e8f0;
  --text-secondary: #8888a8;
  --text-muted: #55556a;
  --success: #4ade80;
  --success-bg: rgba(74, 222, 128, 0.1);
  --warning: #fbbf24;
  --warning-bg: rgba(251, 191, 36, 0.1);
  --error: #f87171;
  --error-bg: rgba(248, 113, 113, 0.1);
  --info: #60a5fa;
  --info-bg: rgba(96, 165, 250, 0.1);
  --border: #2a2a3e;
  --border-light: #1e1e32;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 16px;
  --transition: all 0.2s ease;
  --sidebar-width: 260px;
  --header-height: 64px;
}

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

body {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }

/* ==========================================
   LAYOUT
   ========================================== */
.app-layout {
  display: flex;
  min-height: 100vh;
}

/* Sidebar */
.sidebar {
  width: var(--sidebar-width);
  background: var(--bg-secondary);
  border-right: 1px solid var(--border-light);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  z-index: 100;
  transition: transform 0.3s ease;
}

.sidebar-logo {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-light);
}

.sidebar-logo h1 {
  font-size: 1.4rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent), #a78bfa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.sidebar-logo span {
  font-size: 0.75rem;
  color: var(--text-muted);
  display: block;
  margin-top: 2px;
}

.sidebar-nav {
  flex: 1;
  padding: 12px;
  overflow-y: auto;
}

.nav-section {
  margin-bottom: 8px;
}

.nav-section-title {
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 12px 12px 6px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.88rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}

.nav-item:hover {
  background: var(--bg-card);
  color: var(--text-primary);
}

.nav-item.active {
  background: var(--accent-light);
  color: var(--accent);
}

.nav-item svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.sidebar-footer {
  padding: 16px;
  border-top: 1px solid var(--border-light);
}

.user-info {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
}

.user-info:hover { background: var(--bg-card); }

.user-avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
  color: white;
  flex-shrink: 0;
}

.user-name { font-size: 0.82rem; font-weight: 600; }
.user-email { font-size: 0.7rem; color: var(--text-muted); }

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

.page-header {
  padding: 24px 32px;
  border-bottom: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.page-header h2 {
  font-size: 1.5rem;
  font-weight: 700;
}

.page-header p {
  color: var(--text-secondary);
  font-size: 0.88rem;
  margin-top: 2px;
}

.page-body {
  padding: 32px;
}

/* ==========================================
   CARDS
   ========================================== */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  transition: var(--transition);
}

.card:hover { border-color: var(--accent); }

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.card-title {
  font-size: 1.05rem;
  font-weight: 600;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
}

/* Stat cards */
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}

.stat-card .stat-label {
  font-size: 0.78rem;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.stat-card .stat-value {
  font-size: 1.8rem;
  font-weight: 700;
}

.stat-card .stat-sub {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* ==========================================
   BUTTONS
   ========================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.88rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--accent);
  color: white;
}

.btn-primary:hover:not(:disabled) {
  background: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(124, 106, 255, 0.3);
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.btn-secondary:hover:not(:disabled) {
  background: var(--bg-card-hover);
  border-color: var(--accent);
}

.btn-danger {
  background: var(--error);
  color: white;
}

.btn-success {
  background: var(--success);
  color: #0a0a14;
}

.btn-sm { padding: 6px 14px; font-size: 0.8rem; }
.btn-lg { padding: 14px 28px; font-size: 1rem; }
.btn-block { width: 100%; }

/* ==========================================
   FORMS
   ========================================== */
.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.form-control {
  width: 100%;
  padding: 10px 14px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.9rem;
  transition: var(--transition);
}

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

.form-control::placeholder {
  color: var(--text-muted);
}

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

select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M6 8L1 3h10z' fill='%238888a8'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}

.form-hint {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* ==========================================
   WIZARD
   ========================================== */
.wizard-steps {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 24px 32px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-light);
}

.wizard-step {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: var(--transition);
}

.wizard-step .step-num {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  background: var(--bg-card);
  border: 2px solid var(--border);
}

.wizard-step.active {
  color: var(--accent);
}

.wizard-step.active .step-num {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
}

.wizard-step.completed {
  color: var(--success);
}

.wizard-step.completed .step-num {
  background: var(--success);
  border-color: var(--success);
  color: white;
}

.wizard-connector {
  width: 40px;
  height: 2px;
  background: var(--border);
  border-radius: 2px;
}

.wizard-connector.active {
  background: var(--accent);
}

.wizard-body {
  max-width: 800px;
  margin: 0 auto;
  padding: 32px;
}

.wizard-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--border-light);
}

/* ==========================================
   LOGIN PAGE
   ========================================== */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-primary);
  padding: 20px;
}

.login-card {
  width: 100%;
  max-width: 400px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
}

.login-logo {
  text-align: center;
  margin-bottom: 32px;
}

.login-logo h1 {
  font-size: 2rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent), #a78bfa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.login-logo p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-top: 4px;
}

/* ==========================================
   ALERTS / TOAST
   ========================================== */
.alert {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.alert-error { background: var(--error-bg); color: var(--error); border: 1px solid rgba(248,113,113,0.2); }
.alert-success { background: var(--success-bg); color: var(--success); border: 1px solid rgba(74,222,128,0.2); }
.alert-warning { background: var(--warning-bg); color: var(--warning); border: 1px solid rgba(251,191,36,0.2); }
.alert-info { background: var(--info-bg); color: var(--info); border: 1px solid rgba(96,165,250,0.2); }

.toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  padding: 14px 20px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 500;
  box-shadow: var(--shadow);
  animation: toastIn 0.3s ease;
  max-width: 380px;
}

.toast-success { background: #166534; color: white; }
.toast-error { background: #991b1b; color: white; }
.toast-info { background: #1e40af; color: white; }

@keyframes toastIn {
  from { opacity: 0; transform: translateX(100px); }
  to { opacity: 1; transform: translateX(0); }
}

/* ==========================================
   LOADING / SPINNER
   ========================================== */
.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

.spinner-lg { width: 40px; height: 40px; border-width: 3px; }

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

.loading-overlay {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 60px 20px;
  color: var(--text-secondary);
}

.loading-overlay p {
  font-size: 0.9rem;
}

/* ==========================================
   TABLES
   ========================================== */
.table-wrapper {
  overflow-x: auto;
}

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

th {
  text-align: left;
  padding: 10px 14px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--border);
}

td {
  padding: 12px 14px;
  font-size: 0.88rem;
  border-bottom: 1px solid var(--border-light);
}

tr:hover td {
  background: var(--bg-card-hover);
}

/* ==========================================
   BADGES
   ========================================== */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 0.72rem;
  font-weight: 600;
}

.badge-success { background: var(--success-bg); color: var(--success); }
.badge-warning { background: var(--warning-bg); color: var(--warning); }
.badge-error { background: var(--error-bg); color: var(--error); }
.badge-info { background: var(--info-bg); color: var(--info); }

/* ==========================================
   EMPTY STATE
   ========================================== */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}

.empty-state svg {
  width: 64px;
  height: 64px;
  margin-bottom: 16px;
  opacity: 0.3;
}

.empty-state h3 {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

/* ==========================================
   QUESTION CARDS (Wizard Step 1)
   ========================================== */
.question-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 16px;
}

.question-card label {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
  display: block;
}

.question-card .hint {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 10px;
}

/* ==========================================
   TITLE CARDS (Wizard Step 3)
   ========================================== */
.title-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 20px;
  margin-bottom: 10px;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 14px;
}

.title-card:hover {
  border-color: var(--accent);
  background: var(--bg-card-hover);
}

.title-card.selected {
  border-color: var(--accent);
  background: var(--accent-light);
}

.title-card .title-radio {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 2px solid var(--border);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.title-card.selected .title-radio {
  border-color: var(--accent);
  background: var(--accent);
}

.title-card.selected .title-radio::after {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: white;
}

.title-card .title-text {
  font-weight: 600;
  font-size: 0.92rem;
}

.title-card .title-meta {
  display: flex;
  gap: 12px;
  margin-top: 6px;
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ==========================================
   RESPONSIVE
   ========================================== */
@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }

  .sidebar.open {
    transform: translateX(0);
  }

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

  .page-body {
    padding: 20px 16px;
  }

  .wizard-body {
    padding: 20px 16px;
  }

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

/* ==========================================
   UTILITIES
   ========================================== */
.hidden { display: none !important; }
.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.gap-4 { gap: 16px; }
.mt-2 { margin-top: 8px; }
.mt-3 { margin-top: 12px; }
.mt-4 { margin-top: 16px; }
.mb-2 { margin-bottom: 8px; }
.mb-3 { margin-bottom: 12px; }
.mb-4 { margin-bottom: 16px; }
.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.text-success { color: var(--success); }
.text-error { color: var(--error); }
.text-sm { font-size: 0.82rem; }
.font-bold { font-weight: 700; }
.w-full { width: 100%; }