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

/* =====================================================================
   Tema CodeGYM Net
   Solo estilos: no cambia el HTML ni la estructura de las páginas.
   Se carga una vez desde layouts/base.php, después de Bootstrap 5.

   Índice
   1. Variables y base
   2. Botones
   3. Navbar
   4. Landing (index)
   5. Footer
   6. Login y registro (clase "pagina-auth")
   7. Panel admin, tablas, formularios y alertas
   ===================================================================== */


/* ---------- 1. Variables y base ---------- */
:root {
  --cg-navy: #0b1220;
  --cg-navy-2: #111c36;
  --cg-ink: #0f172a;
  --cg-text: #334155;
  --cg-muted: #5a687c;

  /* Superficies en azul grisáceo, a juego con la navbar azul marino y su acento cian. */
  --cg-colort: #f8faff;   /* tarjetas, tablas, formularios, hoja central */
  --cg-coloralt: #eaf1fb; /* secciones alternadas, rayas de tabla, hover */
  --cg-pagina: #e5edf8;   /* fondo detrás de la hoja central */
  --cg-line: #d3deed;     /* bordes y divisores */
  --cg-surface: var(--cg-colort);
  --cg-bg: var(--cg-pagina);
  --cg-primary: #2563eb;
  --cg-primary-dark: #1d4ed8;
  --cg-accent: #06b6d4;
  --cg-gradient: linear-gradient(135deg, #2563eb 0%, #06b6d4 100%);
  --cg-shadow: 0 10px 30px -14px rgba(15, 23, 42, .28);
  --cg-shadow-lg: 0 24px 48px -18px rgba(15, 23, 42, .38);

  /* Variables de Bootstrap 5.3 */
  --bs-body-font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --bs-body-color: var(--cg-text);
  --bs-body-bg: var(--cg-colort);
  --bs-heading-color: var(--cg-ink);
  --bs-primary: #2563eb;
  --bs-primary-rgb: 37, 99, 235;
  --bs-link-color: #2563eb;
  --bs-link-color-rgb: 37, 99, 235;
  --bs-link-hover-color: #1d4ed8;
  --bs-link-hover-color-rgb: 29, 78, 216;
  --bs-border-radius: .65rem;
  --bs-border-radius-lg: 1rem;
  --bs-border-color: var(--cg-line);
}

html { scroll-behavior: smooth; }

body {
  background-color: var(--cg-bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* Footer siempre abajo, también en páginas cortas (menos login/registro) */
body:not(.pagina-auth) {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

::selection { background: #bfdbfe; color: var(--cg-ink); }

h1, h2, h3, h4, h5, h6 { letter-spacing: -.015em; }

a { text-decoration: none; }
a:hover { text-decoration: underline; }


/* ---------- 2. Botones ---------- */
.btn {
  border-radius: .65rem;
  font-weight: 600;
  letter-spacing: .01em;
  transition: transform .18s ease, box-shadow .18s ease, background-color .18s ease, color .18s ease;
}

.btn:hover { text-decoration: none; }

.btn-primary {
  --bs-btn-bg: #2563eb;
  --bs-btn-border-color: #2563eb;
  --bs-btn-hover-bg: #1d4ed8;
  --bs-btn-hover-border-color: #1d4ed8;
  --bs-btn-active-bg: #1e40af;
  --bs-btn-active-border-color: #1e40af;
  --bs-btn-focus-shadow-rgb: 37, 99, 235;
  box-shadow: 0 8px 18px -10px rgba(37, 99, 235, .8);
}
.btn-primary:hover { transform: translateY(-1px); }

.btn-outline-primary {
  --bs-btn-color: #2563eb;
  --bs-btn-border-color: #bfd3fb;
  --bs-btn-hover-bg: #2563eb;
  --bs-btn-hover-border-color: #2563eb;
  --bs-btn-active-bg: #1d4ed8;
  --bs-btn-active-border-color: #1d4ed8;
}

.btn-outline-secondary {
  --bs-btn-color: #475569;
  --bs-btn-border-color: #d9a3a3;
  --bs-btn-hover-bg: #0f172a;
  --bs-btn-hover-border-color: #0f172a;
  --bs-btn-active-bg: #0f172a;
  --bs-btn-active-border-color: #0f172a;
}

.btn-outline-danger {
  --bs-btn-border-color: #f6c1c1;
}

.btn-link {
  --bs-btn-color: #2563eb;
  --bs-btn-hover-color: #1d4ed8;
  font-weight: 500;
  text-decoration: none;
}
.btn-link:hover { text-decoration: underline; }


/* ---------- 3. Navbar ---------- */
.navbar.bg-body-tertiary {
  background: linear-gradient(90deg, var(--cg-navy) 0%, var(--cg-navy-2) 100%) !important;
  border-bottom: 1px solid rgba(255, 255, 255, .06);
  box-shadow: 0 6px 24px -10px rgba(2, 6, 23, .55);
  padding-top: .5rem;
  padding-bottom: .5rem;
}

.navbar-brand img {
  border-radius: 16px;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, .12), 0 8px 22px rgba(6, 182, 212, .22);
  transition: transform .25s ease;
}
.navbar-brand:hover img { transform: scale(1.05) rotate(-2deg); }

.navbar .navbar-nav .nav-link,
.navbar .navbar-nav .nav-link.active {
  position: relative;
  color: #cbd5e1;
  font-weight: 500;
  padding: .55rem .95rem;
  border-radius: .55rem;
  transition: color .2s ease, background-color .2s ease;
}

.navbar .navbar-nav .nav-link::after {
  content: "";
  position: absolute;
  left: .95rem;
  right: .95rem;
  bottom: .25rem;
  height: 2px;
  border-radius: 2px;
  background: var(--cg-gradient);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .25s ease;
}

.navbar .navbar-nav .nav-link:hover,
.navbar .navbar-nav .nav-link.active:hover {
  color: #fff;
  background-color: rgba(255, 255, 255, .07);
  text-decoration: none;
}
.navbar .navbar-nav .nav-link:hover::after { transform: scaleX(1); }

.navbar-text {
  color: #e2e8f0;
  font-weight: 500;
  padding-top: 0;
  padding-bottom: 0;
}

.navbar .btn-outline-light {
  --bs-btn-border-color: rgba(255, 255, 255, .35);
  --bs-btn-hover-color: var(--cg-navy);
}

.navbar .btn-secondary {
  --bs-btn-color: #fff;
  --bs-btn-bg: rgba(255, 255, 255, .12);
  --bs-btn-border-color: rgba(255, 255, 255, .18);
  --bs-btn-hover-color: #fff;
  --bs-btn-hover-bg: rgba(255, 255, 255, .24);
  --bs-btn-hover-border-color: rgba(255, 255, 255, .3);
  --bs-btn-active-bg: rgba(255, 255, 255, .3);
  --bs-btn-active-border-color: rgba(255, 255, 255, .3);
}

.navbar-toggler {
  border-color: rgba(255, 255, 255, .25);
}
.navbar-toggler:focus { box-shadow: 0 0 0 .2rem rgba(6, 182, 212, .35); }


/* ---------- 4. Landing (index) ---------- */

/* La página es una columna central: se ve como una "hoja" sobre el fondo gris */
main > .container-sm {
  background: var(--cg-surface);
  box-shadow: 0 0 0 1px rgba(15, 23, 42, .04), 0 30px 70px -30px rgba(15, 23, 42, .35);
  overflow: hidden;
}

.content {
  padding: 3.5rem 1rem;
  text-align: center;
}

/* Fondos de cada sección (se alternan para dar ritmo) */
.s1, .s2 { background-color: var(--cg-coloralt); }
.s3 { background-color: var(--cg-colort); }
.s4 { background-color: var(--cg-coloralt); }
.s5 { background-color: #0b1220; }
.s6 {
  background:
    radial-gradient(900px 380px at 90% -10%, rgba(37, 99, 235, .12), transparent 60%),
    radial-gradient(700px 300px at -5% 110%, rgba(6, 182, 212, .10), transparent 60%),
    linear-gradient(180deg, var(--cg-colort) 0%, var(--cg-coloralt) 100%);
  padding: 4.5rem 1.25rem;
}

/* Las tarjetas de servicios viven dentro de .s4: sin fondo ni relleno propios */
.s4 .content {
  background-color: transparent;
  padding: 1rem .5rem;
}

/* Títulos de sección con una línea de color debajo */
.content h1 {
  font-weight: 800 !important;
  font-size: clamp(1.7rem, 3.2vw, 2.2rem);
  color: var(--cg-ink);
  margin-bottom: 1.25rem;
}
.content h1::after {
  content: "";
  display: block;
  width: 56px;
  height: 4px;
  margin: .7rem auto 0;
  border-radius: 4px;
  background: var(--cg-gradient);
}

/* Hero */
.s6 h1 {
  font-size: clamp(2.3rem, 6vw, 3.5rem);
  letter-spacing: -.03em;
  line-height: 1.05;
  color: var(--cg-primary); /* respaldo si el navegador no soporta el degradé en texto */
  background: linear-gradient(90deg, #0f172a 0%, #2563eb 65%, #06b6d4 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.s6 h1::after { display: none; }

.s6 h3 {
  font-size: 1.1rem;
  font-weight: 400;
  line-height: 1.75;
  color: var(--cg-muted);
  max-width: 34rem;
  margin: 1rem auto;
}
.s6 h3:first-of-type {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--cg-ink);
}

.s6 .text-success {
  color: var(--cg-primary) !important;
  font-weight: 700;
}

.s6 .btn-secondary.btn-lg {
  --bs-btn-color: #fff;
  --bs-btn-hover-color: #fff;
  --bs-btn-active-color: #fff;
  margin-top: .75rem;
  padding: .9rem 2.4rem;
  font-size: 1.05rem;
  border: 0;
  border-radius: 999px;
  background: var(--cg-gradient);
  box-shadow: 0 14px 28px -10px rgba(37, 99, 235, .65);
}
.s6 .btn-secondary.btn-lg:hover {
  background: var(--cg-gradient);
  transform: translateY(-3px);
  box-shadow: 0 20px 34px -12px rgba(37, 99, 235, .75);
}

.s6 img.img-fluid {
  border-radius: 1.5rem;
  box-shadow: var(--cg-shadow-lg);
  margin-top: 1.5rem;
}

/* "¿Qué es Codegym Net?" (el texto está en un h2) */
.s3 h2 {
  font-size: 1.1rem;
  font-weight: 400;
  line-height: 1.9;
  color: var(--cg-muted);
  max-width: 46rem;
  margin: 0 auto;
}

/* Carrusel de clientes */
.carousel {
  width: 100%;
  margin: 1.75rem auto 0;
}
.carousel-inner img {
  max-width: 92%;
  object-fit: contain;
  border-radius: .9rem;
}
.carousel-control-prev-icon,
.carousel-control-next-icon {
  filter: invert(1) grayscale(100);
}

.s2 h1{
  background: linear-gradient(90deg, #0f172a 0%, #2563eb 65%, #06b6d4 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.s3 h1{
  background: linear-gradient(90deg, #0f172a 0%, #2563eb 65%, #06b6d4 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Tarjetas de servicios */
.s4 .card {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--cg-line);
  border-radius: 1.25rem;
  background: var(--cg-surface);
  box-shadow: var(--cg-shadow);
  transition: transform .25s ease, box-shadow .25s ease;
}
.s4 .card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 4px;
  background: var(--cg-gradient);
}
.s4 .card:hover {
  transform: translateY(-6px);
  box-shadow: var(--cg-shadow-lg);
}
.s4 .card-body {
  padding: 1.75rem 1.25rem 1.5rem;
  font-size: .95rem;
  line-height: 1.6;
  color: var(--cg-muted);
}
.s4 .card-body p { margin: 0; }
.s4 .card-body h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--cg-ink);
  margin-bottom: .6rem;
}

.s4 h1{
  background: linear-gradient(90deg, #0f172a 0%, #2563eb 65%, #06b6d4 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ---------- 5. Footer ---------- */
footer.bg-dark {
  background: linear-gradient(180deg, #0b1220 0%, #070d1a 100%) !important;
  padding-top: 1.75rem !important;
  padding-bottom: 1.75rem !important;
  border-top: 3px solid transparent;
  border-image: linear-gradient(90deg, #2563eb, #06b6d4, #2563eb) 1;
  font-size: .92rem;
}
footer.bg-dark.text-white { color: #94a3b8 !important; }
footer.bg-dark img {
  border-radius: 16px;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, .1);
}
footer.bg-dark .row > div { padding-top: .35rem; padding-bottom: .35rem; }


/* ---------- 6. Login y registro ----------
   base.php agrega la clase "pagina-auth" a <html> y <body> cuando la ruta pasa
   "bodyClass" => "pagina-auth". */
html.pagina-auth,
body.pagina-auth {
  background-image:
    linear-gradient(rgba(5, 10, 25, .55), rgba(5, 10, 25, .55)),
    url('/img/fondologin1.png');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  height: 100%;
}

.pagina-auth .container {
  height: 85%;
  align-content: center;
}

.pagina-auth .card {
  min-height: 370px;
  width: 400px;
  max-width: 92vw;
  margin-top: auto;
  margin-bottom: auto;
  background-color: rgba(15, 23, 42, .62) !important;
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: 1.5rem;
  box-shadow: 0 30px 60px -20px rgba(0, 0, 0, .65);
  color: #e2e8f0;
}

.pagina-auth .card-header,
.pagina-auth .card-footer {
  background: transparent;
  border-color: rgba(255, 255, 255, .1);
  padding: 1.1rem 1.5rem;
}
.pagina-auth .card-body { padding: 1.5rem; }
.pagina-auth .card-header h3 {
  margin: 0;
  color: #fff;
  font-weight: 700;
}

.pagina-auth .input-group-text {
  width: 50px;
  justify-content: center;
  background-color: rgba(255, 255, 255, .14);
  color: #e2e8f0;
  border: 0 !important;
  border-radius: .75rem 0 0 .75rem;
}
.pagina-auth .input-group .form-control {
  border: 0;
  border-radius: 0 .75rem .75rem 0;
  padding: .75rem .95rem;
  background-color: rgba(255, 250, 240, .96);
  color: var(--cg-ink);
}
.pagina-auth input:focus {
  outline: 0;
  box-shadow: 0 0 0 .22rem rgba(6, 182, 212, .35) !important;
}

.pagina-auth .login_btn {
  width: 110px;
  border: 0;
  border-radius: 999px;
  color: #fff;
  background: var(--cg-gradient);
  box-shadow: 0 12px 24px -10px rgba(6, 182, 212, .7);
}
.pagina-auth .login_btn:hover {
  color: #fff;
  background: var(--cg-gradient);
  filter: brightness(1.08);
  transform: translateY(-2px);
}

.pagina-auth .links { color: #cbd5e1; }
.pagina-auth .links a {
  margin-left: 4px;
  color: #67e8f9;
  font-weight: 600;
}
.pagina-auth .links a:hover { color: #fff; }


/* ---------- 7. Panel admin, tablas, formularios y alertas ---------- */

/* Títulos de las páginas internas */
main.container h1 {
  font-weight: 800;
  color: var(--cg-ink);
}
main.container h1.h3 { font-size: 1.75rem; }

/* Menú del panel (Resumen / Formularios / Usuarios) */
.nav-pills {
  width: fit-content;
  max-width: 100%;
  flex-wrap: wrap;
  gap: .35rem;
  padding: .4rem;
  background: var(--cg-surface);
  border: 1px solid var(--cg-line);
  border-radius: 1rem;
  box-shadow: 0 2px 8px -4px rgba(15, 23, 42, .15);
}
.nav-pills .nav-link {
  padding: .5rem 1.05rem;
  border-radius: .7rem;
  color: var(--cg-muted);
  font-weight: 600;
}
.nav-pills .nav-link:hover {
  color: var(--cg-ink);
  background: var(--cg-coloralt);
  text-decoration: none;
}
.nav-pills .nav-link.active {
  color: #fff;
  background: var(--cg-gradient);
  box-shadow: 0 8px 16px -8px rgba(37, 99, 235, .8);
}

/* Tarjetas */
.card {
  border: 1px solid var(--cg-line);
  border-radius: 1.1rem;
  box-shadow: var(--cg-shadow);
}
.card-body { padding: 1.4rem; }
.card .display-6 {
  font-weight: 800;
  color: var(--cg-primary);
}

/* Tablas */
.table-responsive {
  background: var(--cg-surface);
  border: 1px solid var(--cg-line);
  border-radius: 1rem;
  box-shadow: var(--cg-shadow);
}
.table {
  --bs-table-striped-bg: var(--cg-coloralt);
  --bs-table-hover-bg: #dbeafe;
  --bs-table-border-color: var(--cg-line);
  margin-bottom: 0;
}
.table > :not(caption) > * > * { padding: .85rem 1rem; }
.table thead th {
  --bs-table-bg: #0f172a;
  background-color: #0f172a;
  color: #e2e8f0;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .07em;
  text-transform: uppercase;
  border-bottom: 0;
  white-space: nowrap;
}
.table-striped > tbody > tr:hover > * {
  --bs-table-bg-state: #dbeafe;
}

.badge {
  padding: .45em .8em;
  border-radius: 999px;
  font-weight: 600;
  letter-spacing: .01em;
}

/* Formularios */
.form-label {
  font-weight: 600;
  font-size: .9rem;
  color: #334155;
}
.form-control,
.form-select {
  padding: .65rem .9rem;
  border-color: #e0aeae;
  border-radius: .7rem;
}
.form-control:focus,
.form-select:focus {
  border-color: #60a5fa;
  box-shadow: 0 0 0 .22rem rgba(37, 99, 235, .16);
}

/* Páginas con formulario o detalle (tienen un max-width inline): se ven como una tarjeta */
main.container[style*="max-width"] {
  margin-top: 2.25rem;
  margin-bottom: 2.25rem;
  padding: 2rem !important;
  background: var(--cg-surface);
  border: 1px solid var(--cg-line);
  border-radius: 1.25rem;
  box-shadow: var(--cg-shadow);
}

/* Detalle (usuarios/show, admin/formulario) */
dl.row dt {
  color: var(--cg-muted);
  font-weight: 600;
}
dl.row dt,
dl.row dd { min-height: 1.5rem; }
dl.row dd { color: var(--cg-ink); }

/* Avisos */
.alert {
  border: 0;
  border-left: 4px solid transparent;
  border-radius: .85rem;
  box-shadow: 0 1px 2px rgba(15, 23, 42, .06);
}
.alert-success { border-left-color: #16a34a; }
.alert-danger  { border-left-color: #dc2626; }
.alert-info    { border-left-color: #0ea5e9; }
.alert-warning { border-left-color: #f59e0b; }

/* Página 403 / no encontrado */
main.container.text-center h1 { font-weight: 800; }
main.container.text-center .text-muted { font-size: 1.05rem; }

/* Móvil */
@media (max-width: 575.98px) {
  .s6 { padding: 3rem 1rem; }
  .content { padding: 2.5rem .75rem; }
  main.container[style*="max-width"] { padding: 1.25rem !important; }
}