/* ============================================================
   ATICA — Sistema de Diseño
   "Ingenio que Transforma"
   Manual de Marca Oficial  ·  Paleta & Tipografía
   ============================================================ */

/* ------------ Google Fonts ------------ */
@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;0,9..40,800;1,9..40,400&family=Mulish:wght@300;400;500;600;700;800&display=swap');

/* ------------ Variables de Marca Atica ------------ */
:root {
  /* Colores Primarios */
  --atica-aubergine:   #2E1A46;   /* E2 — fondo dominante */
  --atica-aubergine-2: #392B46;   /* B1 — aubergine variante */
  --atica-sky:         #98E7D9;   /* E1 — acento cielo */
  --atica-sky-dark:    #0E5964;   /* D1 — verde-teal oscuro */
  --atica-sky-mid:     #289FB0;   /* D2 */
  --atica-sky-light:   #C5E7E1;   /* E3 */

  /* CTA — Amarillo */
  --atica-yellow:      #E4C93A;   /* G1 — call to action primario */
  --atica-yellow-2:    #FFE342;   /* G2 */
  --atica-yellow-light:#FFED96;   /* G4 */

  /* Apoyo */
  --atica-orange:      #F17C3B;   /* F1 */
  --atica-red:         #C72F48;   /* C1 */
  --atica-green:       #0F673A;   /* H1 */
  --atica-green-mid:   #2AB36E;   /* H2 */

  /* Neutrales */
  --atica-black:       #000000;
  --atica-gray-dark:   #392B46;
  --atica-gray-mid:    #747679;   /* A2 */
  --atica-gray-light:  #B6B7B9;   /* A3 */
  --atica-white:       #ffffff;

  /* Tipografías */
  --font-primary:   'DM Sans', sans-serif;    /* sustituto de Circular */
  --font-secondary: 'Mulish', sans-serif;     /* Muli oficial */

  /* Sombras */
  --shadow-sm:  0 2px 8px rgba(46,26,70,0.10);
  --shadow-md:  0 4px 20px rgba(46,26,70,0.15);
  --shadow-lg:  0 8px 40px rgba(46,26,70,0.22);

  /* Radios */
  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  20px;
  --radius-pill:50px;

  /* Transiciones */
  --transition: all 0.22s ease;
}

/* ------------ Reset & Base ------------ */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-secondary);
  font-size: 15px;
  color: var(--atica-aubergine);
  background-color: #f0eef5;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-primary);
  font-weight: 700;
  letter-spacing: -0.02em;
}

p, span, label, small, td, th { font-family: var(--font-secondary); }

/* ------------ Navbar Atica ------------ */
.navbar-atica {
  background: var(--atica-aubergine) !important;
  box-shadow: var(--shadow-md);
  padding: 0.6rem 1rem;
}

.navbar-atica .navbar-brand {
  font-family: var(--font-primary);
  font-weight: 700;
  color: var(--atica-white) !important;
  letter-spacing: -0.02em;
  font-size: 1.15rem;
}

.navbar-atica .nav-link { color: rgba(255,255,255,0.8) !important; }
.navbar-atica .nav-link:hover { color: var(--atica-yellow) !important; }

/* Tagline chip */
.navbar-tagline {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--atica-sky);
  text-transform: uppercase;
  opacity: 0.85;
}

/* ------------ Sidebar Atica ------------ */
#sidebar {
  background: linear-gradient(175deg, var(--atica-aubergine) 0%, #1d0f30 100%) !important;
  border-right: 1px solid rgba(152,231,217,0.1);
  box-shadow: 4px 0 24px rgba(0,0,0,0.18);
}

#sidebar .sidebar-brand {
  padding-bottom: 1rem;
  border-bottom: 1px solid rgba(152,231,217,0.15);
  margin-bottom: 0.5rem;
}

#sidebar .sidebar-section-label {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--atica-sky);
  opacity: 0.6;
  padding: 0.4rem 0.75rem;
  margin-top: 0.5rem;
}

#sidebar .nav-link {
  color: rgba(255,255,255,0.75) !important;
  font-family: var(--font-secondary);
  font-weight: 500;
  border-radius: var(--radius-sm);
  padding: 0.55rem 0.85rem;
  margin-bottom: 2px;
  transition: var(--transition);
  border-left: 3px solid transparent;
}

#sidebar .nav-link:hover {
  background: rgba(152,231,217,0.12) !important;
  color: var(--atica-sky) !important;
  border-left-color: rgba(152,231,217,0.4);
  padding-left: 1.1rem;
}

#sidebar .nav-link.active {
  background: rgba(228,201,58,0.15) !important;
  color: var(--atica-yellow) !important;
  border-left-color: var(--atica-yellow);
  font-weight: 700;
}

#sidebar .nav-link i {
  width: 18px;
  opacity: 0.8;
}
#sidebar .nav-link.active i,
#sidebar .nav-link:hover i { opacity: 1; }

/* ------------ Top Bar ------------ */
.topbar-atica {
  background: #ffffff;
  border-bottom: 1px solid rgba(46,26,70,0.08) !important;
  box-shadow: 0 1px 8px rgba(46,26,70,0.06);
}

/* ------------ Botones Atica ------------ */
.btn-atica-primary {
  background: var(--atica-yellow);
  color: var(--atica-aubergine);
  border: none;
  font-family: var(--font-primary);
  font-weight: 700;
  letter-spacing: -0.01em;
  border-radius: var(--radius-pill);
  padding: 0.5rem 1.4rem;
  transition: var(--transition);
  box-shadow: 0 2px 12px rgba(228,201,58,0.35);
}

.btn-atica-primary:hover {
  background: var(--atica-yellow-2);
  color: var(--atica-aubergine);
  transform: translateY(-1px);
  box-shadow: 0 4px 18px rgba(228,201,58,0.45);
}

.btn-atica-outline {
  background: transparent;
  color: var(--atica-aubergine);
  border: 2px solid var(--atica-aubergine);
  font-family: var(--font-primary);
  font-weight: 600;
  border-radius: var(--radius-pill);
  padding: 0.45rem 1.2rem;
  transition: var(--transition);
}

.btn-atica-outline:hover {
  background: var(--atica-aubergine);
  color: var(--atica-white);
}

.btn-atica-sky {
  background: var(--atica-sky);
  color: var(--atica-aubergine);
  border: none;
  font-weight: 700;
  border-radius: var(--radius-pill);
  padding: 0.45rem 1.2rem;
  transition: var(--transition);
}

.btn-atica-sky:hover {
  background: var(--atica-sky-mid);
  color: var(--atica-white);
  transform: translateY(-1px);
}

/* ------------ Cards Atica ------------ */
.card-atica {
  border: none !important;
  border-radius: var(--radius-md) !important;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  overflow: hidden;
}

.card-atica:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.card-atica-accent {
  border-top: 3px solid var(--atica-sky) !important;
}

.card-atica-cta {
  border-top: 3px solid var(--atica-yellow) !important;
}

/* KPI Cards */
.kpi-card {
  background: linear-gradient(135deg, var(--atica-aubergine) 0%, #4a2d70 100%);
  color: var(--atica-white);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
}

.kpi-card::after {
  content: '';
  position: absolute;
  right: -20px;
  top: -20px;
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: rgba(152,231,217,0.15);
}

.kpi-card .kpi-value {
  font-family: var(--font-primary);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--atica-yellow);
  line-height: 1;
}

.kpi-card .kpi-label {
  font-family: var(--font-secondary);
  font-size: 0.8rem;
  color: rgba(255,255,255,0.65);
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-top: 0.25rem;
}

/* ------------ Badges Atica ------------ */
.badge-atica-sky {
  background: rgba(152,231,217,0.18);
  color: var(--atica-sky-dark);
  border: 1px solid rgba(14,89,100,0.2);
  font-family: var(--font-secondary);
  font-weight: 600;
}

.badge-atica-yellow {
  background: rgba(228,201,58,0.15);
  color: #7a6800;
  border: 1px solid rgba(228,201,58,0.4);
  font-weight: 600;
}

.badge-atica-aubergine {
  background: rgba(46,26,70,0.1);
  color: var(--atica-aubergine);
  border: 1px solid rgba(46,26,70,0.2);
  font-weight: 600;
}

/* Categorías de residuos */
.badge-aprovechable  { background: #198754; color: #fff; }
.badge-no-aprovechable { background: var(--atica-gray-mid); color: #fff; }
.badge-peligroso     { background: var(--atica-red); color: #fff; }
.badge-organico      { background: var(--atica-orange); color: #fff; }

/* ------------ Tablas Atica ------------ */
.table-atica thead th {
  background: rgba(46,26,70,0.05);
  color: var(--atica-aubergine);
  font-family: var(--font-primary);
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-bottom: 2px solid rgba(46,26,70,0.12);
  padding: 0.9rem 1rem;
}

.table-atica tbody tr {
  transition: var(--transition);
  border-bottom: 1px solid rgba(46,26,70,0.06);
}

.table-atica tbody tr:hover {
  background: rgba(152,231,217,0.07);
}

.table-atica tbody td {
  padding: 0.85rem 1rem;
  vertical-align: middle;
  color: var(--atica-aubergine);
}

/* ------------ Formularios Atica ------------ */
.form-control:focus,
.form-select:focus {
  border-color: var(--atica-sky-mid);
  box-shadow: 0 0 0 0.2rem rgba(40,159,176,0.18);
}

.form-label {
  font-family: var(--font-primary);
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--atica-aubergine);
  margin-bottom: 0.35rem;
}

.form-control, .form-select {
  border-radius: var(--radius-sm);
  border: 1.5px solid rgba(46,26,70,0.18);
  font-family: var(--font-secondary);
  color: var(--atica-aubergine);
  padding: 0.55rem 0.85rem;
}

/* ------------ Alerts Atica ------------ */
.alert {
  border-radius: var(--radius-md);
  border-left: 4px solid;
  font-family: var(--font-secondary);
}

.alert-warning {
  border-left-color: var(--atica-yellow);
  background: rgba(228,201,58,0.08);
  color: #5c4a00;
}

.alert-danger {
  border-left-color: var(--atica-red);
  background: rgba(199,47,72,0.07);
  color: #7a1527;
}

.alert-success {
  border-left-color: var(--atica-sky-dark);
  background: rgba(14,89,100,0.07);
  color: #0a4050;
}

/* ------------ Login Page ------------ */
.login-page {
  min-height: 100vh;
  background: linear-gradient(135deg, var(--atica-aubergine) 0%, #1d0f30 45%, #0a2535 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.login-page::before {
  content: '';
  position: absolute;
  top: -80px;
  right: -80px;
  width: 380px;
  height: 380px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(152,231,217,0.15) 0%, transparent 70%);
  pointer-events: none;
}

.login-page::after {
  content: '';
  position: absolute;
  bottom: -100px;
  left: -60px;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(228,201,58,0.1) 0%, transparent 70%);
  pointer-events: none;
}

.login-card {
  background: rgba(255,255,255,0.05);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(152,231,217,0.2);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  box-shadow: 0 24px 80px rgba(0,0,0,0.35);
  width: 100%;
  max-width: 400px;
  position: relative;
  z-index: 1;
}

.login-card .form-control {
  background: rgba(255,255,255,0.08);
  border-color: rgba(152,231,217,0.25);
  color: #fff;
}

.login-card .form-control::placeholder { color: rgba(255,255,255,0.35); }

.login-card .form-control:focus {
  background: rgba(255,255,255,0.12);
  border-color: var(--atica-sky);
  box-shadow: 0 0 0 0.2rem rgba(152,231,217,0.2);
  color: #fff;
}

.login-card .form-label {
  color: rgba(255,255,255,0.75);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
}

.login-brand-name {
  font-family: var(--font-primary);
  font-size: 2rem;
  font-weight: 800;
  color: var(--atica-white);
  letter-spacing: -0.04em;
}

.login-tagline {
  font-family: var(--font-secondary);
  font-size: 0.75rem;
  color: var(--atica-sky);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 600;
}

/* ------------ Utilities Atica ------------ */
.text-atica        { color: var(--atica-aubergine) !important; }
.text-atica-sky    { color: var(--atica-sky-dark) !important; }
.text-atica-yellow { color: var(--atica-yellow) !important; }
.text-atica-muted  { color: var(--atica-gray-mid) !important; }
.bg-atica          { background-color: var(--atica-aubergine) !important; }
.bg-atica-sky      { background-color: var(--atica-sky) !important; }
.border-atica      { border-color: var(--atica-aubergine) !important; }
.border-atica-sky  { border-color: var(--atica-sky) !important; }

/* ------------ Scrollbar personalizada ------------ */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: rgba(46,26,70,0.25);
  border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover { background: var(--atica-aubergine); }

/* ------------ Animaciones ------------ */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

.aica-fade-in {
  animation: fadeInUp 0.4s ease both;
}

/* ------------ Responsive Overrides ------------ */
@media (max-width: 768px) {
  .kpi-card .kpi-value { font-size: 2rem; }
  .login-card { margin: 1rem; padding: 2rem 1.5rem; }
}