/* =========================================================
   CONTROL DE CARGA — MODERN PREMIUM DESIGN SYSTEM
   Professional Sports Performance Aesthetic
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

:root {
  /* Core Colors - Professional Performance Palette */
  --p-navy: #0F172A;
  --p-navy-deep: #020617;
  --p-blue: #3B82F6;
  --p-blue-deep: #1D4ED8;
  --p-blue-soft: #EFF6FF;
  --p-slate: #1E293B;
  --p-slate-soft: #F8FAFC;
  --p-border: #E2E8F0;
  --p-border-strong: #CBD5E1;
  --p-text: #0F172A;
  --p-text-soft: #475569;
  --p-muted: #94A3B8;
  
  /* Status Colors */
  --p-success: #10B981;
  --p-success-soft: #ECFDF5;
  --p-warning: #F59E0B;
  --p-warning-soft: #FFFBEB;
  --p-danger: #EF4444;
  --p-danger-soft: #FEF2F2;
  --p-info: #0EA5E9;
  --p-info-soft: #F0F9FF;

  /* Elevations */
  --p-shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --p-shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
  --p-shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --p-shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --p-shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);

  /* Borders & Radius */
  --p-radius: 12px;
  --p-radius-lg: 16px;
  --p-radius-sm: 8px;
  --p-radius-full: 9999px;

  /* Typography */
  --p-font: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

/* Base Styles */
body {
  font-family: var(--p-font);
  background-color: var(--p-slate-soft);
  color: var(--p-text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* Typography Scale */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--p-navy);
}

.text-xs { font-size: 0.75rem; }
.text-sm { font-size: 0.875rem; }
.text-base { font-size: 1rem; }
.text-lg { font-size: 1.125rem; }
.text-xl { font-size: 1.25rem; }
.text-2xl { font-size: 1.5rem; }

/* Global App Container */
#app-shell {
  display: grid;
  grid-template-columns: 260px 1fr;
  grid-template-rows: 72px 1fr;
  grid-template-areas:
    "sidebar header"
    "sidebar main";
  height: 100vh;
}

/* Header Overhaul */
.app-header {
  grid-area: header;
  background: white;
  border-bottom: 1px solid var(--p-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
  z-index: 50;
  position: sticky;
  top: 0;
  box-shadow: 0 1px 3px rgba(0,0,0,0.02);
}

.ah-title-wrap {
  display: flex;
  align-items: center;
  gap: 16px;
}

.ah-title-wrap h1 {
  font-size: 16px;
  font-weight: 700;
  margin: 0;
  color: var(--p-navy);
}

.ah-title-wrap .sub {
  font-size: 11px;
  color: var(--p-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: var(--p-slate-soft);
  padding: 2px 8px;
  border-radius: var(--p-radius-full);
}

/* Sidebar Overhaul */
.app-sidebar {
  grid-area: sidebar;
  background: var(--p-navy);
  color: white;
  display: flex;
  flex-direction: column;
  padding: 0;
  z-index: 100;
}

.sidebar-brand {
  height: 72px;
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 12px;
  background: var(--p-navy-deep);
}

.brand-mark {
  background: linear-gradient(135deg, var(--p-blue) 0%, var(--p-blue-deep) 100%);
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 14px;
}

.brand-name {
  font-weight: 700;
  font-size: 15px;
  letter-spacing: -0.01em;
}

.nav-section-label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.4);
  padding: 24px 24px 12px;
}

.app-nav button {
  width: calc(100% - 32px);
  margin: 2px 16px;
  padding: 10px 14px;
  border-radius: var(--p-radius-sm);
  display: flex;
  align-items: center;
  gap: 12px;
  background: transparent;
  border: none;
  color: rgba(255, 255, 255, 0.5);
  font-weight: 500;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s ease;
  text-align: left;
}

.app-nav button:hover {
  background: rgba(255, 255, 255, 0.08);
  color: white;
}

.app-nav button.active {
  background: var(--p-blue);
  color: white;
}

.app-nav .tab-icon {
  width: 18px;
  height: 18px;
  stroke-width: 2;
  opacity: 0.8;
}

/* Main Surface */
main {
  grid-area: main;
  overflow-y: auto;
  padding: 32px;
}

.tab-panel {
  max-width: 1200px;
  margin: 0 auto;
}

/* Modern Cards */
.card, .p-card {
  background: white;
  border-radius: var(--p-radius);
  border: 1px solid var(--p-border);
  box-shadow: var(--p-shadow);
  padding: 24px 28px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
  box-shadow: var(--p-shadow-lg);
}

/* KPI Components */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-bottom: 32px;
}

.kpi-card {
  background: white;
  border: 1px solid var(--p-border);
  border-radius: var(--p-radius);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  box-shadow: var(--p-shadow-sm);
  border-left: 4px solid var(--p-blue);
}

.kpi-label {
  font-size: 10px;
  font-weight: 700;
  color: var(--p-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.kpi-value {
  font-size: 26px;
  font-weight: 800;
  color: var(--p-navy);
  line-height: 1.2;
}

.kpi-meta {
  font-size: 12px;
  font-weight: 500;
}

.kpi-meta.good { color: var(--p-success); }
.kpi-meta.bad { color: var(--p-danger); }
.kpi-meta.neutral { color: var(--p-muted); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: var(--p-radius-sm);
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.2s ease;
  border: 1px solid transparent;
}

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

.btn-primary:hover {
  background: var(--p-blue-deep);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.btn-outline {
  background: white;
  border-color: var(--p-border);
  color: var(--p-text);
}

.btn-outline:hover {
  background: var(--p-slate-soft);
  border-color: var(--p-border-strong);
}

.btn-ghost {
  background: transparent;
  color: var(--p-text-soft);
}

.btn-ghost:hover {
  background: var(--p-slate-soft);
  color: var(--p-text);
}

/* Premium Tables */
.table-wrap {
  width: 100%;
  overflow-x: auto;
  border-radius: var(--p-radius);
  border: 1px solid var(--p-border);
  background: white;
  box-shadow: var(--p-shadow-sm);
}

table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

th {
  background: var(--p-slate-soft);
  padding: 12px 16px;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--p-muted);
  border-bottom: 1px solid var(--p-border);
  white-space: nowrap;
}

td {
  padding: 12px 16px;
  font-size: 13px;
  color: var(--p-text-soft);
  border-bottom: 1px solid var(--p-border);
  vertical-align: middle;
}

tr:last-child td { border-bottom: none; }
tr:hover td { background: rgba(59, 130, 246, 0.03); }

/* Premium Forms & Filters */
input, select, textarea {
  border: 1px solid var(--p-border);
  border-radius: var(--p-radius-sm);
  padding: 8px 12px;
  font-size: 13px;
  background: white;
  transition: all 0.2s ease;
  color: var(--p-text);
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--p-blue);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.filter-group {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-bottom: 16px;
}

select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3E%3Cpath stroke='%2394a3b8' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 8px center;
  background-size: 16px;
  padding-right: 32px;
}

.btn-group {
  display: flex;
  gap: 4px;
}

.btn-group .btn {
  border-radius: 0;
}

.btn-group .btn:first-child {
  border-top-left-radius: var(--p-radius-sm);
  border-bottom-left-radius: var(--p-radius-sm);
}

.btn-group .btn:last-child {
  border-top-right-radius: var(--p-radius-sm);
  border-bottom-right-radius: var(--p-radius-sm);
}

/* Standardize Legacy Modules (Salud, Tests, Anthropometry) */
.salud-kpi, .fr-kpi {
  background: white;
  border: 1px solid var(--p-border);
  border-radius: var(--p-radius);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  box-shadow: var(--p-shadow-sm);
  border-left: 4px solid var(--p-blue);
}

.salud-kpi-label, .fr-kpi-label {
  font-size: 10px;
  font-weight: 700;
  color: var(--p-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.salud-kpi-value, .fr-kpi-value {
  font-size: 26px;
  font-weight: 800;
  color: var(--p-navy);
  line-height: 1.2;
}

.salud-card {
  background: white;
  border: 1px solid var(--p-border);
  border-radius: var(--p-radius);
  padding: 20px;
  box-shadow: var(--p-shadow-sm);
}

.salud-tabla-table {
  width: 100%;
  border-collapse: collapse;
}

.salud-tabla-table th {
  background: var(--p-slate-soft);
  padding: 12px 16px;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--p-muted);
  border-bottom: 1px solid var(--p-border);
}

.salud-tabla-table td {
  padding: 12px 16px;
  font-size: 13px;
  color: var(--p-text-soft);
  border-bottom: 1px solid var(--p-border);
}

.salud-row:hover td { background: rgba(59, 130, 246, 0.03); }

/* Status Dots */
.salud-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
}

.salud-dot-verde { background: var(--p-success); }
.salud-dot-ambar { background: var(--p-warning); }
.salud-dot-rojo { background: var(--p-danger); }
.salud-dot-azul { background: var(--p-blue); }
.salud-dot-gris { background: var(--p-muted); }

/* Settings/Config Cards */
.settings-card {
  background: white;
  border: 1px solid var(--p-border);
  border-radius: var(--p-radius);
  padding: 24px;
  margin-bottom: 20px;
  box-shadow: var(--p-shadow-sm);
}


/* Pricing Section - Premium SaaS Aesthetic */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
  margin-top: 32px;
}

.pricing-card {
  background: white;
  border: 1px solid var(--p-border);
  border-radius: var(--p-radius-lg);
  padding: 32px;
  display: flex;
  flex-direction: column;
  box-shadow: var(--p-shadow);
  transition: transform 0.2s ease, border-color 0.2s ease;
  position: relative;
}

.pricing-card.recommended {
  border: 2px solid var(--p-blue);
  transform: translateY(-8px);
}

.pricing-card.recommended::before {
  content: "RECOMENDADO";
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--p-blue);
  color: white;
  padding: 4px 12px;
  border-radius: var(--p-radius-full);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.pricing-card h3 {
  font-size: 18px;
  margin-bottom: 8px;
}

.pricing-price {
  font-size: 36px;
  font-weight: 800;
  color: var(--p-navy);
  margin: 16px 0;
}

.pricing-price span {
  font-size: 16px;
  color: var(--p-muted);
  font-weight: 500;
}

.pricing-features {
  list-style: none;
  padding: 0;
  margin: 24px 0;
  flex-grow: 1;
}

.pricing-features li {
  margin-bottom: 12px;
  font-size: 14px;
  color: var(--p-text-soft);
  display: flex;
  align-items: center;
  gap: 8px;
}

.pricing-features li::before {
  content: "✓";
  color: var(--p-success);
  font-weight: 700;
}

/* Comparison Table */
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 40px;
  background: white;
  border-radius: var(--p-radius);
  overflow: hidden;
  border: 1px solid var(--p-border);
}

.comparison-table th, .comparison-table td {
  padding: 16px 24px;
  text-align: center;
  border-bottom: 1px solid var(--p-border);
}

.comparison-table th:first-child, .comparison-table td:first-child {
  text-align: left;
}

.faq-section {
  margin-top: 60px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.faq-item {
  margin-bottom: 16px;
  border: 1px solid var(--p-border);
  border-radius: var(--p-radius);
  padding: 20px;
}

.faq-item h4 {
  margin-bottom: 8px;
  color: var(--p-navy);
}

.faq-item p {
  color: var(--p-text-soft);
  font-size: 14px;
}

/* --- TrainingLoadManager Landing Page Styles --- */
.landing-modern {
  background: white;
  color: var(--p-text);
  font-family: var(--p-font);
  line-height: 1.6;
}

.landing-nav {
  padding: 24px 48px;
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.hero-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  padding: 80px 48px;
  max-width: 1200px;
  margin: 0 auto;
  align-items: center;
}

.hero-content h1 {
  font-size: 56px;
  line-height: 1.1;
  margin-bottom: 24px;
}

.dashboard-mockup {
  background: var(--p-slate-soft);
  border-radius: var(--p-radius);
  border: 1px solid var(--p-border);
  padding: 24px;
  box-shadow: var(--p-shadow-lg);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  padding: 80px 48px;
  max-width: 1200px;
  margin: 0 auto;
}

.feature-item {
  padding: 24px;
  border: 1px solid var(--p-border);
  border-radius: var(--p-radius);
}

.faq-section {
  max-width: 800px;
  margin: 80px auto;
  padding: 0 24px;
}

.footer-section {
  padding: 60px 48px;
  border-top: 1px solid var(--p-border);
  background: var(--p-slate-soft);
  text-align: center;
}