/* AdGenIA · sistema visual · Bold AI-Tech (dark)
   Carga DESPUÉS de Bootstrap 5.3 desde CDN para overridear utilidades. */

:root {
  --bg-base:   #0b0f1a;
  --bg-card:   #111827;
  --bg-panel:  #0f172a;
  --bg-input:  #0b0f1a;
  --text-1:    #f8fafc;
  --text-2:    #94a3b8;
  --text-3:    #64748b;
  --text-grad: #a78bfa;
  --border:    #1e293b;
  --border-h:  #334155;
  --primary:   #7c3aed;
  --primary-2: #ec4899;
  --accent:    #22d3ee;
  --success:   #10b981;
  --warning:   #f59e0b;
  --danger:    #f87171;
  --grad:      linear-gradient(90deg, #a78bfa 0%, #f472b6 60%, #22d3ee 100%);
  --grad-cta:  linear-gradient(135deg, #7c3aed 0%, #ec4899 100%);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --shadow-glow: 0 30px 80px rgba(124, 58, 237, 0.15);
}

/* Reset / base */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg-base);
  color: var(--text-1);
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  font-feature-settings: 'cv11', 'ss01';
  margin: 0;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--text-grad); text-decoration: none; }
a:hover { color: var(--primary-2); }
h1, h2, h3, h4, h5 { letter-spacing: -0.5px; margin: 0; }
hr { border: 0; border-top: 1px solid var(--border); }

/* Wordmark */
.wordmark { font-weight: 800; font-size: 18px; letter-spacing: -0.5px; }
.grad {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

/* Botones */
.btn-grad {
  background: var(--grad-cta);
  color: #fff !important;
  padding: 11px 22px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 14px;
  border: none;
  display: inline-block;
  text-decoration: none;
  cursor: pointer;
  transition: transform .15s, box-shadow .15s;
}
.btn-grad:hover { transform: translateY(-1px); box-shadow: 0 8px 24px rgba(124,58,237,.4); color: #fff; }

.btn-ghost {
  background: transparent;
  color: var(--text-1);
  padding: 11px 22px;
  border: 1px solid var(--border-h);
  border-radius: 10px;
  font-weight: 500;
  font-size: 14px;
  display: inline-block;
  text-decoration: none;
  cursor: pointer;
}
.btn-ghost:hover { border-color: var(--primary); color: var(--text-1); }

.btn-danger-grad {
  background: linear-gradient(135deg,#dc2626,#ec4899);
  color: #fff !important;
  padding: 11px 22px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 14px;
  border: none;
  cursor: pointer;
}

.btn-danger-ghost {
  background: transparent;
  color: var(--danger) !important;
  padding: 11px 22px;
  border: 1px solid var(--danger);
  border-radius: 10px;
  font-weight: 500;
  font-size: 14px;
  display: inline-block;
  text-decoration: none;
  cursor: pointer;
}
.btn-danger-ghost:hover { background: rgba(248,113,113,.1); color: var(--danger) !important; }

/* Containers */
.container-narrow { max-width: 760px; margin: 0 auto; padding: 0 24px; }
.container-app    { max-width: 1100px; margin: 0 auto; padding: 0 24px; }
.container-full   { max-width: 1200px; margin: 0 auto; padding: 0 32px; }

/* Cards */
.card-dark {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
}

/* Eyebrow / labels */
.eyebrow {
  font-size: 11px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--text-grad);
  font-weight: 700;
  margin-bottom: 12px;
}

/* ============= PUBLIC NAV ============= */
.public-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 32px;
  border-bottom: 1px solid var(--border);
  background: rgba(11,15,26,.6);
  backdrop-filter: blur(20px);
  position: sticky;
  top: 0;
  z-index: 50;
}
.public-nav-links { display: flex; align-items: center; gap: 24px; }
.public-nav-links a { color: var(--text-2); font-size: 14px; }
.public-nav-links a:hover { color: var(--text-1); }
.public-nav-cta { margin-left: 8px; }

/* ============= APP NAV ============= */
.app-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 32px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-panel);
}
.app-nav-left { display: flex; align-items: center; gap: 36px; }
.app-nav-tabs a {
  color: var(--text-2);
  font-size: 13px;
  text-decoration: none;
  margin-right: 22px;
  padding: 8px 0;
  border-bottom: 2px solid transparent;
  display: inline-block;
}
.app-nav-tabs a.active { color: var(--text-1); border-bottom: 2px solid var(--primary); }
.app-nav-tabs a:hover { color: var(--text-1); }

.app-nav-right { display: flex; align-items: center; gap: 12px; }
.app-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--grad-cta);
  color: #fff;
  font-weight: 700;
  font-size: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.app-user-name { color: var(--text-2); font-size: 13px; }

/* Dropdown nativo con <details>.
   IMPORTANTE: NO usar display:flex en <summary> — rompe el toggle nativo
   en Safari/algunos Chrome. El layout flex se aplica en .app-user-trigger
   (span interno). */
.app-user-menu { position: relative; }
.app-user-menu > summary {
  cursor: pointer;
  list-style: none;
  padding: 4px 8px;
  border-radius: 8px;
  user-select: none;
}
.app-user-menu > summary::-webkit-details-marker { display: none; }
.app-user-menu > summary::marker { content: ""; }
.app-user-menu > summary:hover { background: var(--border); }
.app-user-menu[open] > summary { background: var(--border); }
.app-user-trigger {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.app-user-caret { color: var(--text-3); font-size: 11px; }
/* IMPORTANTE: usar .app-user-dropdown (no .dropdown-menu) para evitar la
   colisión con Bootstrap 5.3 que pone display:none en .dropdown-menu por
   default y espera que su JS le ponga .show para mostrarla. */
.app-user-menu .app-user-dropdown {
  position: absolute;
  right: 0;
  top: calc(100% + 8px);
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  min-width: 200px;
  padding: 6px;
  box-shadow: 0 20px 40px rgba(0,0,0,.4);
  z-index: 100;
}
.app-user-menu .app-user-dropdown a,
.app-user-menu .app-user-dropdown button {
  display: block;
  width: 100%;
  text-align: left;
  background: transparent;
  border: none;
  color: var(--text-2);
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 13px;
  text-decoration: none;
  cursor: pointer;
  font-family: inherit;
}
.app-user-menu .app-user-dropdown a:hover,
.app-user-menu .app-user-dropdown button:hover {
  background: var(--border);
  color: var(--text-1);
}
.app-user-divider {
  height: 1px;
  background: var(--border);
  margin: 6px 0;
}
.app-user-menu .app-user-dropdown .app-user-logout {
  color: var(--danger);
}
.app-user-menu .app-user-dropdown .app-user-logout:hover {
  background: rgba(248,113,113,.1);
  color: var(--danger);
}

/* ============= HERO ============= */
.hero {
  padding: 96px 32px 72px;
  text-align: center;
  background: radial-gradient(ellipse at top, #1e1b4b 0%, var(--bg-base) 60%);
  position: relative;
}
.hero h1 {
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -1.5px;
  margin: 0 auto 20px;
  max-width: 780px;
}
.hero .sub {
  font-size: 17px;
  color: var(--text-2);
  max-width: 620px;
  margin: 0 auto 36px;
  line-height: 1.55;
}
.hero-ctas { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-bottom: 56px; }
.hero-screenshot {
  max-width: 800px;
  margin: 0 auto;
  height: 240px;
  border: 1px solid var(--border-h);
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, #0f172a, #1e1b4b);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-3);
  font-size: 13px;
  box-shadow: var(--shadow-glow);
  position: relative;
  overflow: hidden;
}
.hero-screenshot::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 32px;
  background: var(--bg-panel);
  border-bottom: 1px solid var(--border-h);
}
.hero-screenshot::after {
  content: '• • •';
  position: absolute;
  top: 6px;
  left: 14px;
  color: var(--text-3);
  letter-spacing: 4px;
  font-size: 14px;
}

/* ============= SECTIONS ============= */
.section { padding: 88px 32px; border-top: 1px solid var(--border); }
.section-title-row { text-align: center; margin-bottom: 56px; }
.section-eyebrow {
  font-size: 12px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--text-grad);
  font-weight: 700;
  margin-bottom: 12px;
}
.section-h {
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 800;
  max-width: 640px;
  margin: 0 auto;
  line-height: 1.2;
  letter-spacing: -0.5px;
}

/* Cómo funciona — 3 pasos */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 1000px;
  margin: 0 auto;
}
.step {
  padding: 28px 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, var(--bg-card) 0%, var(--bg-base) 100%);
}
.step-num {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--grad-cta);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  color: #fff;
  margin-bottom: 20px;
}
.step h3 { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.step p { color: var(--text-2); font-size: 14px; line-height: 1.55; margin: 0; }

/* Features — 6 cards */
.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  max-width: 1080px;
  margin: 0 auto;
}
.feature {
  padding: 24px 22px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--bg-panel);
}
.feature-ico {
  width: 38px;
  height: 38px;
  border-radius: 9px;
  background: rgba(124,58,237,.15);
  border: 1px solid rgba(124,58,237,.4);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-grad);
  font-weight: 700;
  margin-bottom: 14px;
  font-size: 15px;
}
.feature h3 { font-size: 16px; font-weight: 700; margin-bottom: 6px; }
.feature p { color: var(--text-2); font-size: 13px; line-height: 1.55; margin: 0; }

/* Integraciones band */
.integrations-band {
  padding: 48px 32px;
  border-top: 1px solid var(--border);
  background: var(--bg-panel);
}
.integrations-label {
  font-size: 11px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--text-3);
  font-weight: 700;
  text-align: center;
  margin-bottom: 24px;
}
.integrations-row {
  display: flex;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
  align-items: center;
}
.integrations-row span { color: var(--text-2); font-weight: 600; font-size: 16px; letter-spacing: -0.5px; }

/* FAQ */
.faq { max-width: 760px; margin: 0 auto; }
.faq-item {
  border-bottom: 1px solid var(--border);
  padding: 20px 0;
}
.faq-item summary {
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+';
  color: var(--text-grad);
  font-weight: 700;
  font-size: 22px;
  transition: transform .2s;
}
.faq-item[open] summary::after { content: '−'; }
.faq-item .faq-body {
  color: var(--text-2);
  font-size: 14px;
  line-height: 1.6;
  margin-top: 12px;
}

/* Footer */
.public-footer {
  padding: 56px 32px 24px;
  border-top: 1px solid var(--border);
  background: #06070d;
}
.public-footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  max-width: 1080px;
  margin: 0 auto 32px;
}
.public-footer-col h5 {
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 14px;
  font-weight: 700;
}
.public-footer-col a {
  display: block;
  color: var(--text-2);
  font-size: 13px;
  margin-bottom: 8px;
}
.public-footer-tag {
  color: var(--text-2);
  font-size: 13px;
  line-height: 1.55;
  max-width: 320px;
  margin-top: 8px;
}
.public-footer-copy {
  text-align: center;
  color: var(--text-3);
  font-size: 12px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  max-width: 1080px;
  margin: 0 auto;
}

/* ============= DASHBOARD ============= */
.db-welcome { padding: 40px 0 16px; }
.db-greeting { font-size: 30px; font-weight: 800; letter-spacing: -0.5px; margin-bottom: 6px; }
.db-greeting-sub { color: var(--text-2); font-size: 15px; }

.db-grid {
  padding: 16px 0 64px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.db-card {
  background: linear-gradient(180deg, var(--bg-card) 0%, var(--bg-base) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 26px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  text-decoration: none;
  color: var(--text-1);
  transition: transform .15s, border-color .15s;
}
.db-card:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
  color: var(--text-1);
}
.db-card-head { display: flex; align-items: center; gap: 14px; }
.db-card-ico {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: rgba(124,58,237,.15);
  border: 1px solid rgba(124,58,237,.4);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: var(--text-grad);
  font-weight: 700;
}
.db-card-title { font-size: 17px; font-weight: 700; }
.db-card-desc { color: var(--text-2); font-size: 14px; line-height: 1.55; flex-grow: 1; }
.db-card-meta { display: flex; gap: 16px; color: var(--text-3); font-size: 12px; }
.db-card-meta strong { color: var(--text-2); font-weight: 600; }
.db-card-cta { color: var(--text-grad); font-size: 13px; font-weight: 600; margin-top: 4px; }

/* ============= FORMS ============= */
.fm-field { margin-bottom: 18px; }
.fm-label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-1);
  margin-bottom: 6px;
}
.fm-req { color: var(--danger); }
.fm-input, .fm-textarea, .fm-select {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border-h);
  border-radius: 8px;
  padding: 10px 12px;
  color: var(--text-1);
  font-size: 14px;
  font-family: inherit;
}
.fm-textarea { resize: vertical; min-height: 90px; }
.fm-input:focus, .fm-textarea:focus, .fm-select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(124,58,237,.2);
}
.fm-help { font-size: 11px; color: var(--text-3); margin-top: 4px; }
.fm-error { font-size: 12px; color: var(--danger); margin-top: 4px; }
.fm-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

/* Auth card (login / registro) */
.auth-bg {
  min-height: calc(100vh - 80px);
  background: radial-gradient(ellipse at top, #1e1b4b 0%, var(--bg-base) 60%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px 24px;
}
.auth-card {
  background: rgba(15,23,42,.75);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 40px 36px;
  width: 100%;
  max-width: 420px;
  box-shadow: 0 30px 80px rgba(124,58,237,.15);
}
.auth-title { font-size: 24px; font-weight: 800; margin-bottom: 8px; }
.auth-sub { font-size: 13px; color: var(--text-2); margin-bottom: 28px; }
.auth-foot {
  text-align: center;
  margin-top: 20px;
  font-size: 13px;
  color: var(--text-2);
}
.auth-foot a { color: var(--text-grad); font-weight: 600; }

/* Mensajes globales */
.alerts { margin: 20px 0; }
.alert {
  padding: 12px 16px;
  border-radius: 8px;
  border: 1px solid;
  font-size: 14px;
  margin-bottom: 10px;
}
.alert-success { background: rgba(16,185,129,.1); border-color: var(--success); color: var(--success); }
.alert-error,
.alert-danger  { background: rgba(248,113,113,.1); border-color: var(--danger); color: var(--danger); }
.alert-info    { background: rgba(34,211,238,.1); border-color: var(--accent); color: var(--accent); }
.alert-warning { background: rgba(245,158,11,.1); border-color: var(--warning); color: var(--warning); }

/* Page headers (en app interna) */
.breadcrumb {
  font-size: 12px;
  color: var(--text-3);
  margin-bottom: 8px;
}
.breadcrumb a { color: var(--text-2); }
.page-title { font-size: 26px; font-weight: 800; letter-spacing: -0.5px; margin-bottom: 6px; }
.page-sub { color: var(--text-2); font-size: 14px; margin-bottom: 24px; }

/* Tables (listados internos) */
.table-dark-2 {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
.table-dark-2 th {
  text-align: left;
  font-size: 11px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text-3);
  font-weight: 600;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
}
.table-dark-2 td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  color: var(--text-1);
}
.table-dark-2 tr:hover td { background: var(--bg-panel); }

/* Badges */
.badge-status {
  display: inline-block;
  padding: 3px 9px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 600;
}
.badge-success { background: rgba(16,185,129,.15); color: var(--success); }
.badge-warning { background: rgba(245,158,11,.15); color: var(--warning); }
.badge-info    { background: rgba(34,211,238,.15); color: var(--accent); }
.badge-danger  { background: rgba(248,113,113,.15); color: var(--danger); }

/* ============= MOBILE ============= */
@media (max-width: 900px) {
  .steps, .features { grid-template-columns: 1fr; }
  .db-grid { grid-template-columns: 1fr; }
  .public-footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .public-nav { padding: 14px 20px; }
  .public-nav-links { gap: 16px; }
  .app-nav { padding: 12px 20px; flex-wrap: wrap; gap: 12px; }
  .app-nav-tabs a { margin-right: 14px; font-size: 12px; }
  .hero { padding: 64px 20px 48px; }
  .section { padding: 64px 20px; }
}

@media (max-width: 600px) {
  .public-nav-links a:not(.public-nav-cta) { display: none; }
  .public-nav-links a.public-nav-cta { display: inline-block; }
}