/* ================================================================
   Valterra SmartField Pro — Design System
   Paleta: Blanco predominante, verde Valterra, amarillo acento, gris industrial
   ================================================================ */

/* --- Variables --- */
:root {
  --green-900: #0A3D1C;
  --green-800: #0F5C2A;
  --green-700: #156E34;
  --green-600: #1B7A3D;
  --green-500: #22964A;
  --green-400: #34B060;
  --green-300: #6FD494;
  --green-100: #DCF5E5;
  --green-50: #F0FAF4;
  --yellow-600: #D4910A;
  --yellow-500: #F5A623;
  --yellow-400: #FFC107;
  --yellow-300: #FFD54F;
  --yellow-100: #FFF8E1;
  --red-600: #C53030;
  --red-500: #E53E3E;
  --red-100: #FED7D7;
  --blue-600: #2B6CB0;
  --blue-500: #3B82F6;
  --blue-100: #DBEAFE;
  --cold-500: #0EA5E9;
  --cold-100: #E0F2FE;
  --gray-900: #1A202C;
  --gray-800: #2D3748;
  --gray-700: #4A5568;
  --gray-600: #5A6577;
  --gray-500: #718096;
  --gray-400: #A0AEC0;
  --gray-300: #CBD5E0;
  --gray-200: #E2E8F0;
  --gray-100: #EDF2F7;
  --gray-50: #F7FAFC;
  --white: #FFFFFF;
  --bg: #F8FAFB;
  --shadow-xs: 0 1px 2px rgba(0,0,0,0.04);
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -1px rgba(0,0,0,0.04);
  --shadow-lg: 0 10px 25px -3px rgba(0,0,0,0.08), 0 4px 6px -2px rgba(0,0,0,0.03);
  --shadow-xl: 0 20px 40px -5px rgba(0,0,0,0.1);
  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --sidebar-w: 260px;
  --topbar-h: 64px;
  --transition: 0.2s ease;
}

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 15px; -webkit-font-smoothing: antialiased; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--gray-800);
  line-height: 1.6;
  overflow-x: hidden;
}
a { color: var(--green-600); text-decoration: none; }
img { max-width: 100%; }
input, select, textarea, button { font-family: inherit; font-size: inherit; }

/* --- Utility --- */
.hidden { display: none !important; }
.text-green { color: var(--green-500); }
.text-yellow { color: var(--yellow-500); }
.text-red { color: var(--red-500); }
.text-gray { color: var(--gray-500); }
.mt-3 { margin-top: 1rem; }

/* --- Views --- */
.view { display: none; }
.view.active { display: block; }
#app-layout.active { display: flex; min-height: 100vh; }

/* ================================================================
   BUTTONS
   ================================================================ */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 10px 20px; border: none; border-radius: var(--radius-sm);
  font-weight: 600; font-size: 0.9rem; cursor: pointer;
  transition: all var(--transition); white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn-primary { background: var(--green-600); color: var(--white); }
.btn-primary:hover { background: var(--green-700); box-shadow: 0 4px 12px rgba(27,122,61,0.3); }
.btn-secondary { background: var(--yellow-500); color: var(--gray-900); }
.btn-secondary:hover { background: var(--yellow-600); }
.btn-outline { background: transparent; border: 1.5px solid var(--gray-300); color: var(--gray-700); }
.btn-outline:hover { border-color: var(--green-500); color: var(--green-600); }
.btn-outline-light { background: transparent; border: 1.5px solid rgba(255,255,255,0.3); color: var(--white); }
.btn-outline-light:hover { border-color: var(--white); background: rgba(255,255,255,0.1); }
.btn-ghost { background: transparent; color: var(--gray-500); padding: 6px 10px; }
.btn-ghost:hover { background: var(--gray-100); color: var(--gray-700); }
.btn-link { background: none; border: none; color: var(--green-600); padding: 8px 0; font-weight: 500; }
.btn-link:hover { color: var(--green-700); }
.btn-link-light { background: none; border: none; color: rgba(255,255,255,0.7); padding: 8px 0; font-size: 0.8rem; }
.btn-link-light:hover { color: var(--white); }
.btn-lg { padding: 14px 28px; font-size: 1rem; border-radius: var(--radius); }
.btn-sm { padding: 7px 14px; font-size: 0.8rem; }
.btn-xs { padding: 4px 10px; font-size: 0.75rem; }
.btn-block { width: 100%; justify-content: center; }
.btn-block + .btn-block { margin-top: 8px; }

/* ================================================================
   LANDING
   ================================================================ */
.landing-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(255,255,255,0.95); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gray-200);
}
.landing-header-inner {
  max-width: 1200px; margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between; height: 64px;
}
.logo-area { display: flex; align-items: center; gap: 10px; }
.logo-icon { display: flex; align-items: center; }
.logo-icon.sm svg { width: 28px; height: 28px; }
.logo-icon.lg svg { width: 48px; height: 48px; }
.logo-text { font-size: 1.15rem; color: var(--gray-800); letter-spacing: -0.02em; }
.logo-text strong { color: var(--green-600); }
.logo-text.sm { font-size: 0.95rem; }
.landing-nav { display: flex; align-items: center; gap: 24px; }
.landing-nav a { color: var(--gray-600); font-weight: 500; font-size: 0.9rem; }
.landing-nav a:hover { color: var(--green-600); }

/* Hero */
.hero {
  max-width: 1200px; margin: 0 auto; padding: 120px 24px 60px;
  display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center;
}
.hero-badge {
  display: inline-block; padding: 6px 16px; background: var(--green-100);
  color: var(--green-700); font-size: 0.8rem; font-weight: 600; border-radius: 20px;
  margin-bottom: 16px;
}
.hero h1 { font-size: 2.8rem; line-height: 1.15; font-weight: 800; color: var(--gray-900); letter-spacing: -0.03em; }
.hero-subtitle { font-size: 1.1rem; color: var(--gray-500); margin-top: 16px; max-width: 500px; line-height: 1.7; }
.hero-actions { display: flex; gap: 12px; margin-top: 28px; flex-wrap: wrap; }
.hero-stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 48px;
  padding-top: 32px; border-top: 1px solid var(--gray-200);
}
.hero-stat-value { display: block; font-size: 1.5rem; font-weight: 800; color: var(--green-600); }
.hero-stat-label { font-size: 0.78rem; color: var(--gray-500); }

/* Hero preview */
.hero-dashboard-preview {
  background: var(--white); border-radius: var(--radius-lg); box-shadow: var(--shadow-xl);
  overflow: hidden; border: 1px solid var(--gray-200);
}
.preview-topbar {
  background: var(--gray-900); color: var(--white); padding: 12px 16px;
  display: flex; align-items: center; gap: 12px; font-size: 0.8rem;
}
.preview-dots { display: flex; gap: 6px; }
.preview-dots span { width: 10px; height: 10px; border-radius: 50%; }
.preview-dots span:nth-child(1) { background: var(--red-500); }
.preview-dots span:nth-child(2) { background: var(--yellow-500); }
.preview-dots span:nth-child(3) { background: var(--green-500); }
.preview-body { padding: 20px; }
.preview-body { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.preview-kpi {
  background: var(--gray-50); border-radius: var(--radius-sm); padding: 14px;
  text-align: center; border-left: 3px solid var(--green-500);
}
.pk-val { display: block; font-size: 1.4rem; font-weight: 700; color: var(--gray-900); }
.pk-lab { font-size: 0.7rem; color: var(--gray-500); }
.preview-chart-placeholder {
  grid-column: 1 / -1; display: flex; align-items: flex-end; gap: 8px;
  height: 80px; padding-top: 12px;
}
.preview-chart-placeholder .bar {
  flex: 1; background: linear-gradient(to top, var(--green-500), var(--green-300));
  border-radius: 4px 4px 0 0; min-height: 10px;
}

/* Solutions */
.landing-section {
  max-width: 1200px; margin: 0 auto; padding: 80px 24px;
}
.landing-section.bg-light {
  max-width: 100%; background: var(--green-50);
  text-align: center;
}
.section-title { font-size: 2rem; font-weight: 800; color: var(--gray-900); text-align: center; letter-spacing: -0.02em; }
.section-subtitle { text-align: center; color: var(--gray-500); margin-top: 8px; font-size: 1.05rem; }
.solutions-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 48px; }
.solution-card {
  background: var(--white); border-radius: var(--radius-lg); padding: 32px;
  border: 1px solid var(--gray-200); transition: all var(--transition);
  box-shadow: var(--shadow-sm);
}
.solution-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); border-color: var(--green-300); }
.solution-icon {
  width: 52px; height: 52px; border-radius: var(--radius); display: flex;
  align-items: center; justify-content: center; margin-bottom: 16px;
}
.solution-icon.green { background: var(--green-100); color: var(--green-600); }
.solution-icon.blue { background: var(--blue-100); color: var(--blue-600); }
.solution-icon.yellow { background: var(--yellow-100); color: var(--yellow-600); }
.solution-card h3 { font-size: 1.2rem; font-weight: 700; color: var(--gray-900); margin-bottom: 8px; }
.solution-card p { color: var(--gray-500); font-size: 0.9rem; line-height: 1.6; margin-bottom: 16px; }
.solution-features { list-style: none; }
.solution-features li {
  padding: 6px 0; font-size: 0.85rem; color: var(--gray-600);
  border-bottom: 1px solid var(--gray-100);
}
.solution-features li::before { content: "✓ "; color: var(--green-500); font-weight: 700; }

.cta-actions { display: flex; justify-content: center; gap: 16px; margin-top: 32px; }

/* Footer */
.landing-footer {
  background: var(--gray-900); color: var(--gray-400); padding: 32px 24px;
}
.footer-inner {
  max-width: 1200px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
}
.footer-inner p { font-size: 0.8rem; }

/* ================================================================
   LOGIN
   ================================================================ */
.login-container {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--green-50) 0%, var(--bg) 50%, var(--yellow-100) 100%);
  padding: 24px; position: relative;
}
.login-card {
  background: var(--white); border-radius: var(--radius-xl); padding: 48px;
  width: 100%; max-width: 420px; box-shadow: var(--shadow-xl);
  border: 1px solid var(--gray-200);
}
.login-logo { text-align: center; margin-bottom: 32px; }
.login-logo h2 { font-size: 1.5rem; margin-top: 12px; color: var(--gray-900); }
.login-subtitle { color: var(--gray-500); font-size: 0.9rem; margin-top: 4px; }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-weight: 600; font-size: 0.85rem; color: var(--gray-700); margin-bottom: 6px; }
.form-group input,
.form-group select {
  width: 100%; padding: 11px 14px; border: 1.5px solid var(--gray-300);
  border-radius: var(--radius-sm); font-size: 0.9rem; color: var(--gray-800);
  background: var(--white); transition: border-color var(--transition);
}
.form-group input:focus, .form-group select:focus {
  outline: none; border-color: var(--green-500);
  box-shadow: 0 0 0 3px rgba(27,122,61,0.1);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.login-demo-info {
  text-align: center; margin-top: 20px; padding: 12px;
  background: var(--gray-50); border-radius: var(--radius-sm);
  font-size: 0.82rem; color: var(--gray-600);
}
.login-demo-info strong { color: var(--gray-800); }
.mode-badge {
  position: fixed; bottom: 20px; right: 20px;
  padding: 8px 16px; border-radius: 20px;
  font-size: 0.75rem; font-weight: 600;
}
.mode-badge.demo { background: var(--yellow-100); color: var(--yellow-600); border: 1px solid var(--yellow-400); }
.mode-badge.live { background: var(--green-100); color: var(--green-700); border: 1px solid var(--green-400); }

/* ================================================================
   SIDEBAR
   ================================================================ */
#sidebar {
  width: var(--sidebar-w); min-height: 100vh; position: fixed; left: 0; top: 0;
  background: linear-gradient(180deg, #0C2E16 0%, #162330 100%);
  display: flex; flex-direction: column;
  z-index: 50; transition: transform 0.3s ease;
}
.sidebar-header {
  padding: 20px 20px 16px; display: flex; align-items: center; gap: 10px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.sidebar-title { color: var(--white); font-size: 1.1rem; font-weight: 700; letter-spacing: -0.01em; }
.sidebar-nav { flex: 1; padding: 12px 10px; overflow-y: auto; }
.nav-item {
  width: 100%; display: flex; align-items: center; gap: 12px;
  padding: 11px 14px; border: none; background: transparent;
  color: rgba(255,255,255,0.6); font-size: 0.88rem; font-weight: 500;
  border-radius: var(--radius-sm); cursor: pointer;
  transition: all var(--transition); text-align: left;
  position: relative;
}
.nav-item:hover { background: rgba(255,255,255,0.07); color: rgba(255,255,255,0.9); }
.nav-item.active {
  background: rgba(34,150,74,0.2); color: var(--white);
  border-left: 3px solid var(--green-400);
}
.nav-item svg { flex-shrink: 0; opacity: 0.7; }
.nav-item.active svg { opacity: 1; }
.nav-badge {
  margin-left: auto; background: var(--red-500); color: var(--white);
  font-size: 0.65rem; font-weight: 700; padding: 2px 7px; border-radius: 10px;
}
.nav-divider { height: 1px; background: rgba(255,255,255,0.08); margin: 8px 14px; }
.sidebar-footer {
  padding: 16px 20px; border-top: 1px solid rgba(255,255,255,0.08);
}
.user-info { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; }
.user-avatar {
  width: 36px; height: 36px; border-radius: 50%; background: var(--green-600);
  display: flex; align-items: center; justify-content: center;
  color: var(--white); font-weight: 700; font-size: 0.8rem;
}
.user-name { display: block; color: var(--white); font-size: 0.85rem; font-weight: 600; }
.user-role { display: block; color: rgba(255,255,255,0.5); font-size: 0.72rem; }

/* ================================================================
   TOPBAR
   ================================================================ */
#main-content { margin-left: var(--sidebar-w); flex: 1; display: flex; flex-direction: column; }
#topbar {
  height: var(--topbar-h); background: var(--white);
  border-bottom: 1px solid var(--gray-200);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 24px; position: sticky; top: 0; z-index: 40;
}
.topbar-left, .topbar-right { display: flex; align-items: center; gap: 12px; }
.mobile-menu-btn { display: none; background: none; border: none; cursor: pointer; color: var(--gray-600); padding: 4px; }
.predio-selector { display: flex; align-items: center; gap: 8px; }
.predio-selector label { font-size: 0.8rem; color: var(--gray-500); font-weight: 500; white-space: nowrap; }
.predio-selector select {
  padding: 7px 12px; border: 1.5px solid var(--gray-300); border-radius: var(--radius-sm);
  font-size: 0.85rem; font-weight: 600; color: var(--gray-800); background: var(--white);
}
.status-badge {
  padding: 4px 12px; border-radius: 12px; font-size: 0.72rem; font-weight: 600;
}
.status-badge.demo { background: var(--yellow-100); color: var(--yellow-600); }
.status-badge.live { background: var(--green-100); color: var(--green-700); }
.sync-time { font-size: 0.75rem; color: var(--gray-400); }

/* ================================================================
   CONTENT AREA
   ================================================================ */
#content-area { padding: 24px; flex: 1; }
.content-section { display: none; }
.content-section.active { display: block; }
.section-header {
  display: flex; align-items: center; gap: 12px; margin-bottom: 24px;
}
.section-header h1 { font-size: 1.6rem; font-weight: 800; color: var(--gray-900); letter-spacing: -0.02em; }
.section-tag {
  padding: 4px 12px; border-radius: 12px; font-size: 0.72rem; font-weight: 600;
  background: var(--gray-100); color: var(--gray-600);
}
.section-tag.green { background: var(--green-100); color: var(--green-700); }
.section-tag.yellow { background: var(--yellow-100); color: var(--yellow-600); }
.section-tag.cold { background: var(--cold-100); color: var(--cold-500); }

/* ================================================================
   CARDS
   ================================================================ */
.card {
  background: var(--white); border-radius: var(--radius-lg);
  border: 1px solid var(--gray-200); box-shadow: var(--shadow-sm);
  overflow: hidden; transition: box-shadow var(--transition);
}
.card:hover { box-shadow: var(--shadow-md); }
.card-header {
  padding: 16px 20px; display: flex; align-items: center; justify-content: space-between;
  border-bottom: 1px solid var(--gray-100);
}
.card-header h3 { font-size: 0.95rem; font-weight: 700; color: var(--gray-800); }
.card-tag {
  padding: 3px 10px; border-radius: 10px; font-size: 0.68rem; font-weight: 600;
  background: var(--gray-100); color: var(--gray-600);
}
.card-tag.green { background: var(--green-100); color: var(--green-700); }
.card-tag.yellow { background: var(--yellow-100); color: var(--yellow-600); }
.card-body { padding: 20px; }
.card-actions { display: flex; gap: 8px; }

/* ================================================================
   KPI Cards
   ================================================================ */
.kpi-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 24px; }
.kpi-card {
  background: var(--white); border-radius: var(--radius-lg); padding: 20px;
  border: 1px solid var(--gray-200); box-shadow: var(--shadow-sm);
  display: flex; align-items: center; gap: 16px;
  border-top: 3px solid var(--green-500);
  transition: all var(--transition);
}
.kpi-card:hover { box-shadow: var(--shadow-md); }
.kpi-icon {
  width: 48px; height: 48px; border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.kpi-icon.green { background: var(--green-100); color: var(--green-600); }
.kpi-icon.blue { background: var(--blue-100); color: var(--blue-600); }
.kpi-icon.orange { background: var(--yellow-100); color: var(--yellow-600); }
.kpi-icon.cold { background: var(--cold-100); color: var(--cold-500); }
.kpi-data { flex: 1; }
.kpi-value { display: block; font-size: 1.6rem; font-weight: 800; color: var(--gray-900); line-height: 1.1; }
.kpi-label { font-size: 0.78rem; color: var(--gray-500); }
.kpi-trend { font-size: 0.72rem; font-weight: 600; padding: 3px 8px; border-radius: 8px; }
.kpi-trend.up { background: var(--green-100); color: var(--green-700); }
.kpi-trend.down { background: var(--red-100); color: var(--red-600); }
.kpi-trend.neutral { background: var(--gray-100); color: var(--gray-600); }

/* ================================================================
   GRIDS
   ================================================================ */
.dashboard-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 16px; }
.card-lg { grid-column: span 1; }
.card-full { grid-column: 1 / -1; }
.campo-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.frio-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.ia-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.reportes-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.config-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 16px; }
.admin-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 16px; }

/* ================================================================
   PREDIO MAP
   ================================================================ */
.predio-map {
  position: relative; width: 100%; height: 320px;
  background: var(--gray-50); border-radius: var(--radius); border: 2px solid var(--gray-200);
  overflow: hidden;
}
.predio-map.mini { height: 220px; }
.map-sector {
  position: absolute; background: rgba(34,150,74,0.08); border: 2px solid var(--green-400);
  border-radius: var(--radius-sm); padding: 10px; cursor: pointer;
  transition: all var(--transition);
}
.map-sector:hover { background: rgba(34,150,74,0.15); }
.map-sector.warning { border-color: var(--yellow-500); background: rgba(245,166,35,0.08); }
.sector-label { display: block; font-size: 0.75rem; font-weight: 700; color: var(--gray-800); }
.sector-status { display: inline-block; padding: 2px 8px; border-radius: 8px; font-size: 0.68rem; font-weight: 600; margin-top: 4px; }
.sector-status.ok { background: var(--green-100); color: var(--green-700); }
.sector-status.warning { background: var(--yellow-100); color: var(--yellow-600); }
.sector-status.cold { background: var(--cold-100); color: var(--cold-500); }

/* ================================================================
   WEATHER
   ================================================================ */
.weather-main { text-align: center; margin-bottom: 16px; }
.weather-temp { display: block; font-size: 2.5rem; font-weight: 800; color: var(--gray-900); }
.weather-condition { color: var(--gray-500); font-size: 0.9rem; }
.weather-details { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; margin-bottom: 16px; }
.wd {
  background: var(--gray-50); padding: 10px; border-radius: var(--radius-sm);
  display: flex; flex-direction: column;
}
.wd-label { font-size: 0.7rem; color: var(--gray-500); }
.wd-value { font-size: 0.9rem; font-weight: 700; color: var(--gray-800); }
.weather-forecast { display: flex; gap: 8px; }
.wf-day {
  flex: 1; text-align: center; padding: 8px; background: var(--gray-50);
  border-radius: var(--radius-sm); font-size: 0.75rem;
}
.wf-day strong { display: block; color: var(--gray-800); }
.wf-day span { color: var(--gray-500); }

/* ================================================================
   RECOMMENDATIONS
   ================================================================ */
.recommendation-list { display: flex; flex-direction: column; gap: 12px; }
.rec-item {
  display: flex; gap: 12px; padding: 14px; border-radius: var(--radius-sm);
  border-left: 4px solid var(--gray-300);
}
.rec-item.warning { background: var(--yellow-100); border-color: var(--yellow-500); }
.rec-item.info { background: var(--blue-100); border-color: var(--blue-500); }
.rec-item.success { background: var(--green-100); border-color: var(--green-500); }
.rec-icon { font-size: 1.2rem; flex-shrink: 0; }
.rec-item strong { display: block; font-size: 0.85rem; color: var(--gray-900); margin-bottom: 2px; }
.rec-item p { font-size: 0.8rem; color: var(--gray-600); margin: 0; }

/* ================================================================
   TIMELINE
   ================================================================ */
.timeline { display: flex; flex-direction: column; gap: 0; }
.timeline-item {
  display: flex; align-items: center; gap: 12px; padding: 10px 0;
  border-bottom: 1px solid var(--gray-100);
}
.tl-time { font-size: 0.8rem; font-weight: 600; color: var(--gray-500); min-width: 48px; }
.tl-dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }
.tl-dot.green { background: var(--green-500); }
.tl-dot.blue { background: var(--blue-500); }
.tl-dot.yellow { background: var(--yellow-500); }
.tl-dot.red { background: var(--red-500); }
.tl-text { font-size: 0.85rem; color: var(--gray-700); }

/* ================================================================
   SENSOR BARS (Campo)
   ================================================================ */
.sensor-bars { display: flex; flex-direction: column; gap: 16px; }
.sensor-bar-item { display: flex; flex-direction: column; gap: 4px; }
.sb-info { display: flex; justify-content: space-between; align-items: center; }
.sb-name { font-size: 0.85rem; font-weight: 600; color: var(--gray-800); }
.sb-val { font-size: 0.85rem; font-weight: 700; color: var(--gray-900); }
.sb-track { height: 10px; background: var(--gray-100); border-radius: 5px; overflow: hidden; }
.sb-fill { height: 100%; border-radius: 5px; transition: width 0.5s ease; }
.sb-fill.green { background: linear-gradient(90deg, var(--green-400), var(--green-600)); }
.sb-fill.yellow { background: linear-gradient(90deg, var(--yellow-400), var(--yellow-600)); }
.sb-fill.red { background: linear-gradient(90deg, #FC8181, var(--red-500)); }
.sb-status { font-size: 0.72rem; font-weight: 600; }
.sb-status.ok { color: var(--green-600); }
.sb-status.warning { color: var(--yellow-600); }
.sb-status.critical { color: var(--red-500); }

/* ================================================================
   VALVES
   ================================================================ */
.valves-list { display: flex; flex-direction: column; gap: 12px; }
.valve-item {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px; background: var(--gray-50); border-radius: var(--radius-sm);
}
.valve-name { font-size: 0.85rem; font-weight: 600; color: var(--gray-800); display: block; }
.valve-type { font-size: 0.72rem; color: var(--gray-500); }
.valve-controls { display: flex; align-items: center; gap: 8px; }
.valve-status { font-size: 0.72rem; font-weight: 600; padding: 3px 10px; border-radius: 8px; }
.valve-status.open { background: var(--green-100); color: var(--green-700); }
.valve-status.closed { background: var(--gray-100); color: var(--gray-600); }

/* ================================================================
   SCHEDULE
   ================================================================ */
.schedule-list { display: flex; flex-direction: column; gap: 8px; }
.schedule-item {
  display: flex; align-items: center; gap: 12px; padding: 10px;
  background: var(--gray-50); border-radius: var(--radius-sm);
}
.sch-sector { font-weight: 600; font-size: 0.85rem; min-width: 70px; color: var(--gray-800); }
.sch-time { font-size: 0.82rem; color: var(--gray-600); flex: 1; }
.sch-badge { padding: 3px 10px; border-radius: 8px; font-size: 0.7rem; font-weight: 600; }
.sch-badge.done { background: var(--green-100); color: var(--green-700); }
.sch-badge.pending { background: var(--yellow-100); color: var(--yellow-600); }
.sch-badge.running { background: var(--blue-100); color: var(--blue-600); }

/* ================================================================
   EQUIPMENT STATUS
   ================================================================ */
.equipment-status { display: flex; flex-direction: column; gap: 10px; }
.eq-item { display: flex; justify-content: space-between; align-items: center; padding: 8px 0; border-bottom: 1px solid var(--gray-100); }
.eq-label { font-size: 0.85rem; color: var(--gray-600); }
.eq-value { font-size: 0.85rem; font-weight: 600; color: var(--gray-800); }
.status-ok { color: var(--green-600) !important; }
.status-warning { color: var(--yellow-600) !important; }
.status-critical { color: var(--red-500) !important; }

/* ================================================================
   CROP INFO
   ================================================================ */
.crop-info { display: flex; flex-direction: column; gap: 16px; }
.crop-visual { text-align: center; }
.crop-icon { font-size: 3rem; margin-bottom: 8px; }
.crop-stage-bar { height: 8px; background: var(--gray-100); border-radius: 4px; overflow: hidden; margin: 8px 0; }
.crop-stage-fill { height: 100%; background: linear-gradient(90deg, var(--green-400), var(--green-600)); border-radius: 4px; }
.crop-stage-text { font-size: 0.78rem; color: var(--gray-500); }
.crop-details { display: flex; flex-direction: column; gap: 6px; }
.cd-item { display: flex; justify-content: space-between; padding: 6px 0; border-bottom: 1px solid var(--gray-100); font-size: 0.85rem; }
.cd-item span { color: var(--gray-500); }
.cd-item strong { color: var(--gray-800); }

/* ================================================================
   CHAMBERS (Frío)
   ================================================================ */
.chambers-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.chamber-card {
  background: var(--gray-50); border-radius: var(--radius); padding: 20px;
  border: 1px solid var(--gray-200); transition: all var(--transition);
}
.chamber-card:hover { box-shadow: var(--shadow-md); }
.chamber-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.chamber-header h4 { font-size: 1rem; font-weight: 700; color: var(--gray-900); }
.chamber-status { padding: 3px 10px; border-radius: 8px; font-size: 0.7rem; font-weight: 600; }
.chamber-status.online { background: var(--green-100); color: var(--green-700); }
.chamber-status.warning { background: var(--yellow-100); color: var(--yellow-600); }
.chamber-status.critical { background: var(--red-100); color: var(--red-600); }
.chamber-metrics { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 14px; }
.cm { text-align: center; padding: 12px; background: var(--white); border-radius: var(--radius-sm); }
.cm-val { display: block; font-size: 1.5rem; font-weight: 800; color: var(--gray-900); }
.cm-val.warning { color: var(--yellow-600); }
.cm-val.critical { color: var(--red-500); }
.cm-label { font-size: 0.7rem; color: var(--gray-500); }
.chamber-details { display: flex; flex-direction: column; gap: 6px; }
.cd-row { display: flex; justify-content: space-between; font-size: 0.82rem; padding: 4px 0; }
.cd-row span:first-child { color: var(--gray-500); }
.cd-row span:last-child { font-weight: 600; color: var(--gray-800); }

/* ================================================================
   ROUTINES
   ================================================================ */
.routine-list { display: flex; flex-direction: column; gap: 8px; }
.routine-item {
  display: flex; align-items: center; gap: 12px; padding: 10px;
  background: var(--gray-50); border-radius: var(--radius-sm);
}
.rt-name { font-weight: 600; font-size: 0.85rem; color: var(--gray-800); flex: 1; }
.rt-schedule { font-size: 0.78rem; color: var(--gray-500); }
.rt-badge { padding: 3px 10px; border-radius: 8px; font-size: 0.7rem; font-weight: 600; }
.rt-badge.active { background: var(--green-100); color: var(--green-700); }
.rt-badge.pending { background: var(--yellow-100); color: var(--yellow-600); }

/* ================================================================
   ALARMS (Frío)
   ================================================================ */
.alarm-list { display: flex; flex-direction: column; gap: 8px; }
.alarm-item {
  display: flex; gap: 10px; padding: 10px; border-radius: var(--radius-sm);
  font-size: 0.82rem;
}
.alarm-item.warning { background: var(--yellow-100); border-left: 3px solid var(--yellow-500); }
.alarm-item.info { background: var(--blue-100); border-left: 3px solid var(--blue-500); }
.alarm-item.success { background: var(--green-100); border-left: 3px solid var(--green-500); }
.alarm-item.critical { background: var(--red-100); border-left: 3px solid var(--red-500); }
.alarm-time { font-weight: 600; color: var(--gray-700); min-width: 40px; }
.alarm-text { color: var(--gray-700); }

/* ================================================================
   IA Module
   ================================================================ */
.upload-zone {
  border: 2px dashed var(--gray-300); border-radius: var(--radius);
  padding: 40px; text-align: center; cursor: pointer;
  transition: all var(--transition);
}
.upload-zone:hover { border-color: var(--green-500); background: var(--green-50); }
.upload-zone p { color: var(--gray-600); margin-top: 12px; font-size: 0.9rem; }
.upload-hint { display: block; color: var(--gray-400); font-size: 0.75rem; margin-top: 4px; }
.ia-preview { text-align: center; margin-top: 16px; }
.ia-preview img { max-height: 200px; border-radius: var(--radius-sm); border: 2px solid var(--gray-200); }
.ia-disclaimer {
  display: flex; gap: 10px; align-items: flex-start; padding: 14px;
  background: var(--yellow-100); border-radius: var(--radius-sm);
  margin-bottom: 16px; border: 1px solid var(--yellow-400);
}
.ia-disclaimer p { font-size: 0.82rem; color: var(--gray-700); margin: 0; }
.ia-diagnosis { margin-top: 16px; }
.ia-diag-class {
  padding: 16px; background: var(--gray-50); border-radius: var(--radius-sm);
  margin-bottom: 12px; border-left: 4px solid var(--yellow-500);
}
.ia-diag-class h4 { font-size: 1rem; color: var(--gray-900); }
.ia-diag-class p { font-size: 0.85rem; color: var(--gray-600); margin-top: 4px; }
.ia-diag-action {
  padding: 14px; background: var(--green-50); border-radius: var(--radius-sm);
  border-left: 4px solid var(--green-500);
}
.ia-diag-action h4 { font-size: 0.9rem; color: var(--green-800); }
.ia-diag-action p { font-size: 0.85rem; color: var(--gray-600); margin-top: 4px; }
.ia-recommendations { display: flex; flex-direction: column; gap: 16px; }
.ia-rec-item { display: flex; gap: 14px; padding: 16px; background: var(--gray-50); border-radius: var(--radius-sm); }
.ia-rec-icon {
  width: 40px; height: 40px; border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.ia-rec-icon.green { background: var(--green-100); color: var(--green-600); }
.ia-rec-icon.yellow { background: var(--yellow-100); color: var(--yellow-600); }
.ia-rec-icon.blue { background: var(--blue-100); color: var(--blue-600); }
.ia-rec-body h4 { font-size: 0.9rem; font-weight: 700; color: var(--gray-900); margin-bottom: 4px; }
.ia-rec-body p { font-size: 0.82rem; color: var(--gray-600); margin: 0; }
.ia-rec-confidence { display: inline-block; margin-top: 6px; font-size: 0.72rem; font-weight: 600; color: var(--gray-500); }

/* ================================================================
   ALERTAS & BITÁCORA
   ================================================================ */
.alertas-controls { margin-bottom: 16px; }
.filter-group { display: flex; gap: 6px; flex-wrap: wrap; }
.filter-btn {
  padding: 7px 16px; border: 1.5px solid var(--gray-300); background: var(--white);
  border-radius: var(--radius-sm); font-size: 0.8rem; font-weight: 600;
  color: var(--gray-600); cursor: pointer; transition: all var(--transition);
}
.filter-btn:hover { border-color: var(--green-400); color: var(--green-600); }
.filter-btn.active { background: var(--green-600); color: var(--white); border-color: var(--green-600); }
.alerts-and-log { display: grid; grid-template-columns: 1fr; gap: 16px; }
.alert-list { display: flex; flex-direction: column; gap: 8px; }
.alert-row {
  display: flex; align-items: center; gap: 10px; padding: 12px;
  background: var(--gray-50); border-radius: var(--radius-sm);
  font-size: 0.85rem;
}
.alert-level-dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }
.alert-level-dot.critical { background: var(--red-500); }
.alert-level-dot.warning { background: var(--yellow-500); }
.alert-level-dot.info { background: var(--blue-500); }
.alert-level-dot.success { background: var(--green-500); }
.alert-timestamp { font-weight: 600; color: var(--gray-500); min-width: 40px; }
.alert-source { padding: 2px 8px; background: var(--gray-200); border-radius: 6px; font-size: 0.72rem; font-weight: 600; }
.alert-msg { flex: 1; color: var(--gray-700); }
.log-table-wrapper { overflow-x: auto; }
.log-table { width: 100%; border-collapse: collapse; }
.log-table th {
  text-align: left; padding: 10px 12px; font-size: 0.78rem; font-weight: 600;
  color: var(--gray-500); border-bottom: 2px solid var(--gray-200); background: var(--gray-50);
}
.log-table td { padding: 10px 12px; font-size: 0.82rem; border-bottom: 1px solid var(--gray-100); color: var(--gray-700); }
.level-badge {
  padding: 3px 10px; border-radius: 8px; font-size: 0.7rem; font-weight: 600;
  display: inline-block;
}
.level-badge.critical { background: var(--red-100); color: var(--red-600); }
.level-badge.warning { background: var(--yellow-100); color: var(--yellow-600); }
.level-badge.info { background: var(--blue-100); color: var(--blue-600); }
.level-badge.success { background: var(--green-100); color: var(--green-700); }

/* ================================================================
   REPORTS
   ================================================================ */
.report-summary {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px;
}
.rs-item { display: flex; flex-direction: column; }
.rs-label { font-size: 0.75rem; color: var(--gray-500); }
.rs-value { font-size: 1rem; font-weight: 700; color: var(--gray-800); }
.report-metric-big { text-align: center; padding: 20px; margin-bottom: 16px; }
.rmb-value { display: block; font-size: 2rem; font-weight: 800; color: var(--green-600); }
.rmb-label { font-size: 0.82rem; color: var(--gray-500); }
.report-details { display: flex; flex-direction: column; gap: 6px; }
.rd-item { display: flex; justify-content: space-between; font-size: 0.85rem; padding: 6px 0; border-bottom: 1px solid var(--gray-100); }
.rd-item span:first-child { color: var(--gray-600); }
.rd-item span:last-child { font-weight: 600; color: var(--gray-800); }

/* ================================================================
   CONFIG & ADMIN
   ================================================================ */
.config-status-list { display: flex; flex-direction: column; gap: 8px; }
.cs-item {
  display: flex; justify-content: space-between; align-items: center;
  padding: 10px 0; border-bottom: 1px solid var(--gray-100); font-size: 0.85rem;
}
.cs-label { color: var(--gray-500); }
.cs-value { font-weight: 600; color: var(--gray-800); }
.demo-controls { display: flex; flex-direction: column; gap: 8px; }
.admin-table-wrapper { overflow-x: auto; }
.admin-table { width: 100%; border-collapse: collapse; }
.admin-table th {
  text-align: left; padding: 10px 14px; font-size: 0.78rem; font-weight: 600;
  color: var(--gray-500); border-bottom: 2px solid var(--gray-200); background: var(--gray-50);
}
.admin-table td { padding: 10px 14px; font-size: 0.85rem; border-bottom: 1px solid var(--gray-100); color: var(--gray-700); }
.status-badge-sm { padding: 3px 10px; border-radius: 8px; font-size: 0.7rem; font-weight: 600; }
.status-badge-sm.active { background: var(--green-100); color: var(--green-700); }
.status-badge-sm.inactive { background: var(--gray-100); color: var(--gray-500); }

/* ================================================================
   TOAST
   ================================================================ */
.toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%);
  padding: 12px 24px; border-radius: var(--radius-sm); font-size: 0.85rem; font-weight: 600;
  z-index: 1000; box-shadow: var(--shadow-lg);
  transition: opacity 0.3s ease, transform 0.3s ease;
}
.toast.hidden { opacity: 0; transform: translateX(-50%) translateY(10px); pointer-events: none; }
.toast.success { background: var(--green-600); color: var(--white); }
.toast.warning { background: var(--yellow-500); color: var(--gray-900); }
.toast.error { background: var(--red-500); color: var(--white); }
.toast.info { background: var(--blue-500); color: var(--white); }

/* ================================================================
   RESPONSIVE
   ================================================================ */
@media (max-width: 1200px) {
  .kpi-grid { grid-template-columns: repeat(2, 1fr); }
  .chambers-grid { grid-template-columns: repeat(2, 1fr); }
  .report-summary { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 1024px) {
  .hero { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
  .solutions-grid { grid-template-columns: 1fr; }
  .dashboard-grid,
  .campo-grid, .frio-grid, .ia-grid,
  .reportes-grid, .config-grid, .admin-grid { grid-template-columns: 1fr; }
  .card-lg { grid-column: span 1; }
}

@media (max-width: 768px) {
  #sidebar { transform: translateX(-100%); }
  #sidebar.open { transform: translateX(0); }
  #main-content { margin-left: 0; }
  .mobile-menu-btn { display: block; }
  .hero h1 { font-size: 2rem; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .kpi-grid { grid-template-columns: 1fr; }
  .chambers-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .predio-selector label { display: none; }
  .landing-nav a { display: none; }
  .topbar-right .sync-time { display: none; }
}