/* static/css/styles.css — Sistema de diseño de Agua Inmaculada
   Adaptado 1:1 del mockup dashboard_purificadora.html (misma paleta y componentes) */

:root {
  --azul: #0099CC;
  --azul-dark: #007AA3;
  --azul-light: #E6F6FB;
  --verde: #66BB44;
  --verde-light: #EEF8E9;
  --rosa: #E91E8C;
  --rosa-light: #FDEAF5;
  --rojo: #E53935;
  --rojo-light: #FDECEA;
  --amarillo: #F9A825;
  --amarillo-light: #FFF8E1;
  --gris-dark: #2C2C2C;
  --gris: #6B7280;
  --gris-light: #F4F6F9;
  --blanco: #FFFFFF;
  --borde: #E5E9EF;
  --sombra: 0 2px 12px rgba(0,153,204,0.10);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--gris-light);
  color: var(--gris-dark);
  min-height: 100vh;
}

/* ── LAYOUT CON BARRA LATERAL ── */
.app-shell { display: flex; min-height: 100vh; }

/* Sidebar (menú lateral) */
.sidebar {
  width: 236px;
  flex-shrink: 0;
  background: linear-gradient(180deg, var(--azul) 0%, var(--azul-dark) 100%);
  color: white;
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  z-index: 200;
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 18px 18px;
  border-bottom: 1px solid rgba(255,255,255,0.15);
}

.logo-drop {
  width: 40px; height: 40px;
  background: white;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
}

.logo-text h1 { font-size: 15px; font-weight: 700; letter-spacing: -0.3px; }
.logo-text p { font-size: 10px; opacity: 0.8; font-weight: 400; }

.sidebar-nav {
  flex: 1;
  padding: 10px 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 18px;
  font-size: 13.5px;
  font-weight: 600;
  color: rgba(255,255,255,0.9);
  text-decoration: none;
  border-left: 3px solid transparent;
}

.sidebar-nav a:hover { background: rgba(255,255,255,0.12); }
.sidebar-nav a.activo { background: rgba(255,255,255,0.18); border-left-color: white; }

.sidebar-footer {
  padding: 12px 16px;
  border-top: 1px solid rgba(255,255,255,0.15);
}

.btn-logout {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 9px 12px;
  background: rgba(255,255,255,0.12);
  color: white;
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}
.btn-logout:hover { background: rgba(255,255,255,0.22); }

/* Área principal */
.main { flex: 1; min-width: 0; display: flex; flex-direction: column; }

.topbar {
  background: white;
  border-bottom: 1px solid var(--borde);
  height: 56px;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 18px;
  position: sticky;
  top: 0;
  z-index: 100;
}

.hamburguesa {
  display: none;
  background: none;
  border: none;
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
  color: var(--azul-dark);
  padding: 4px 8px;
}

.topbar-fecha { font-size: 13px; color: var(--gris); font-weight: 500; }
.topbar-user { margin-left: auto; font-size: 13px; color: var(--gris-dark); font-weight: 600; }

/* Overlay para el menú en celular */
.overlay-menu {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.45);
  z-index: 150;
}

/* En celular/tablet el menú se oculta y se abre con el botón ☰ */
@media (max-width: 1023px) {
  .sidebar {
    position: fixed;
    left: 0; top: 0;
    transform: translateX(-100%);
    transition: transform 0.25s ease;
    box-shadow: 4px 0 20px rgba(0,0,0,0.2);
  }
  .sidebar.abierto { transform: translateX(0); }
  .overlay-menu.visible { display: block; }
  .hamburguesa { display: block; }
}

/* LAYOUT */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 24px 20px;
}

/* ALERTAS BANNER */
.alertas-banner {
  background: var(--rojo-light);
  border: 1.5px solid #FBCDD3;
  border-left: 4px solid var(--rojo);
  border-radius: 10px;
  padding: 12px 18px;
  margin-bottom: 24px;
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.alerta-icon { font-size: 20px; flex-shrink: 0; margin-top: 1px; }
.alerta-content h4 { font-size: 13px; font-weight: 700; color: var(--rojo); margin-bottom: 4px; }
.alerta-items { display: flex; flex-wrap: wrap; gap: 8px; }

.alerta-item {
  background: white;
  border: 1px solid #FBCDD3;
  border-radius: 6px;
  padding: 4px 10px;
  font-size: 12px;
  color: #B71C1C;
  display: flex;
  align-items: center;
  gap: 5px;
}

/* FLASH MESSAGES */
.flash {
  border-radius: 10px;
  padding: 12px 18px;
  margin-bottom: 20px;
  font-size: 13px;
  font-weight: 600;
}
.flash-error { background: var(--rojo-light); color: #B71C1C; border: 1.5px solid #FBCDD3; }
.flash-ok { background: var(--verde-light); color: #2E7D32; border: 1.5px solid #CDEBC1; }
.flash-info { background: var(--azul-light); color: var(--azul-dark); border: 1.5px solid #BFE6F3; }

/* KPI GRID PRINCIPAL */
.kpi-section-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--gris);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: 12px;
  margin-top: 4px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.kpi-section-title::after { content: ''; flex: 1; height: 1px; background: var(--borde); }

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

.kpi-card {
  background: white;
  border-radius: 14px;
  padding: 20px;
  box-shadow: var(--sombra);
  border: 1px solid var(--borde);
  position: relative;
  overflow: hidden;
}

.kpi-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  border-radius: 14px 14px 0 0;
}

.kpi-card.azul::before { background: var(--azul); }
.kpi-card.verde::before { background: var(--verde); }
.kpi-card.rosa::before { background: var(--rosa); }
.kpi-card.amarillo::before { background: var(--amarillo); }
.kpi-card.rojo::before { background: var(--rojo); }

.kpi-label {
  font-size: 11.5px;
  font-weight: 600;
  color: var(--gris);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}

.kpi-value { font-size: 28px; font-weight: 800; color: var(--gris-dark); line-height: 1; margin-bottom: 6px; }
.kpi-value.azul { color: var(--azul); }
.kpi-value.verde { color: var(--verde); }
.kpi-value.rosa { color: var(--rosa); }
.kpi-value.rojo { color: var(--rojo); }
.kpi-value.amarillo { color: var(--amarillo); }

.kpi-sub { font-size: 12px; color: var(--gris); display: flex; align-items: center; gap: 4px; }
.badge-up { color: var(--verde); font-weight: 700; }
.badge-down { color: var(--rojo); font-weight: 700; }
.badge-warn { color: var(--amarillo); font-weight: 700; }

.kpi-icon { position: absolute; top: 16px; right: 16px; font-size: 28px; opacity: 0.12; }

/* MAIN DASHBOARD GRID */
.dash-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 20px; margin-bottom: 24px; }

.panel {
  background: white;
  border-radius: 14px;
  box-shadow: var(--sombra);
  border: 1px solid var(--borde);
  overflow: hidden;
}

.panel-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--borde);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.panel-title { font-size: 14px; font-weight: 700; color: var(--gris-dark); display: flex; align-items: center; gap: 8px; }

.panel-action {
  font-size: 12px;
  color: var(--azul);
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  background: var(--azul-light);
  padding: 4px 12px;
  border-radius: 20px;
}

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

.chart-legend { display: flex; gap: 16px; margin-top: 8px; flex-wrap: wrap; }
.legend-item { display: flex; align-items: center; gap: 5px; font-size: 11px; color: var(--gris); }
.legend-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }

/* RUTAS / LISTAS */
.ruta-list, .lista-simple { display: flex; flex-direction: column; gap: 10px; }

.ruta-item, .fila-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 10px;
  background: var(--gris-light);
}

.ruta-avatar {
  width: 36px; height: 36px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 13px;
  flex-shrink: 0;
  color: white;
}

.ruta-info, .fila-info { flex: 1; }
.ruta-name, .fila-nombre { font-size: 13px; font-weight: 600; }
.ruta-detail, .fila-detalle { font-size: 11px; color: var(--gris); }

/* GARRAFONES */
.garrafon-stat { display: flex; align-items: center; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--borde); }
.garrafon-stat:last-child { border-bottom: none; }
.garrafon-num { font-size: 22px; font-weight: 800; min-width: 60px; }
.garrafon-label { font-size: 12px; color: var(--gris); line-height: 1.3; }

/* TABLAS */
table.tabla-datos { width: 100%; border-collapse: collapse; font-size: 13px; }
table.tabla-datos th {
  background: var(--azul);
  color: white;
  padding: 10px 14px;
  text-align: left;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
table.tabla-datos td { padding: 9px 14px; border-bottom: 1px solid var(--borde); vertical-align: middle; }
table.tabla-datos tr:last-child td { border-bottom: none; }
table.tabla-datos tr:nth-child(even) td { background: var(--gris-light); }

/* MÓDULOS RÁPIDOS */
.modulos-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 14px; margin-bottom: 24px; }

.modulo-btn {
  background: white;
  border: 1.5px solid var(--borde);
  border-radius: 14px;
  padding: 18px 12px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: inherit;
}

.modulo-btn:hover { border-color: var(--azul); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(0,153,204,0.15); }
.modulo-emoji { font-size: 28px; }
.modulo-name { font-size: 11px; font-weight: 700; color: var(--gris-dark); line-height: 1.2; }

/* BADGES */
.tag { display: inline-flex; align-items: center; gap: 3px; padding: 3px 8px; border-radius: 20px; font-size: 11px; font-weight: 600; }
.tag-verde { background: var(--verde-light); color: #2E7D32; }
.tag-rojo { background: var(--rojo-light); color: #C62828; }
.tag-amarillo { background: var(--amarillo-light); color: #E65100; }
.tag-azul { background: var(--azul-light); color: var(--azul-dark); }
.tag-rosa { background: var(--rosa-light); color: #AD1457; }
.tag-gris { background: var(--gris-light); color: var(--gris); border: 1px solid var(--borde); }

/* FORMULARIOS */
.form-card {
  background: white;
  border-radius: 14px;
  box-shadow: var(--sombra);
  border: 1px solid var(--borde);
  padding: 24px;
  max-width: 560px;
  margin: 0 auto;
}

.form-grupo { margin-bottom: 16px; }
.form-grupo label { display: block; font-size: 12.5px; font-weight: 600; color: var(--gris-dark); margin-bottom: 6px; }

.form-grupo input,
.form-grupo select,
.form-grupo textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1.5px solid var(--borde);
  border-radius: 8px;
  font-size: 14px;
  font-family: inherit;
  color: var(--gris-dark);
}

.form-grupo input:focus,
.form-grupo select:focus,
.form-grupo textarea:focus {
  outline: none;
  border-color: var(--azul);
}

.form-ayuda { font-size: 11px; color: var(--gris); margin-top: 4px; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  border-radius: 8px;
  border: none;
  font-size: 13.5px;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
}

.btn-primario { background: var(--azul); color: white; }
.btn-primario:hover { background: var(--azul-dark); }
.btn-secundario { background: var(--gris-light); color: var(--gris-dark); border: 1.5px solid var(--borde); }
.btn-peligro { background: var(--rojo); color: white; }
.btn-block { width: 100%; justify-content: center; }

/* LOGIN */
.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--azul) 0%, var(--azul-dark) 100%);
  padding: 20px;
}

.login-card {
  background: white;
  border-radius: 16px;
  padding: 36px 32px;
  width: 100%;
  max-width: 380px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.25);
  text-align: center;
}

.login-logo { font-size: 44px; margin-bottom: 8px; }
.login-card h1 { font-size: 19px; font-weight: 800; margin-bottom: 2px; }
.login-card p.subtitulo { font-size: 12.5px; color: var(--gris); margin-bottom: 24px; }
.login-card .form-grupo { text-align: left; }

/* RESPONSIVE */
@media (max-width: 1024px) {
  .kpi-grid { grid-template-columns: repeat(2, 1fr); }
  .dash-grid { grid-template-columns: 1fr; }
  .modulos-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 640px) {
  .kpi-grid { grid-template-columns: repeat(2, 1fr); }
  .modulos-grid { grid-template-columns: repeat(2, 1fr); }
  .kpi-value { font-size: 22px; }
  header { padding: 0 14px; }
  .fecha-badge { display: none; }
}