/* ============================================================
   style.css - Invernadero IoT · Tema oscuro suave
   ============================================================ */

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

:root {
  /* Paleta principal */
  --verde:      #2ecc8a;
  --verde-d:    #1a7a52;
  --verde-l:    rgba(46,204,138,0.12);
  --azul:       #4ea8de;
  --azul-l:     rgba(78,168,222,0.12);
  --naranja:    #f0a050;
  --naranja-l:  rgba(240,160,80,0.15);
  --rojo:       #e05c5c;
  --rojo-l:     rgba(224,92,92,0.15);
  --gris:       #8a9bb0;
  --gris-m:     rgba(255,255,255,0.1);

  /* Fondos */
  --bg-body:    #0f1a14;       /* verde muy oscuro */
  --bg-sidebar: #0a1410;       /* sidebar más oscuro */
  --bg-card:    rgba(255,255,255,0.04);
  --bg-card-hover: rgba(255,255,255,0.07);
  --bg-input:   rgba(255,255,255,0.06);
  --bg-header:  rgba(15,26,20,0.95);

  /* Texto */
  --text:       #e2ede8;
  --text-sub:   #8a9bb0;
  --text-muted: #556070;

  /* Bordes */
  --border:     rgba(46,204,138,0.15);
  --border-l:   rgba(255,255,255,0.06);

  /* Layout */
  --sidebar-w:  240px;
  --header-h:   60px;
  --radius:     12px;
  --shadow:     0 4px 20px rgba(0,0,0,0.3);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 15px;
  color: var(--text);
  background: var(--bg-body);
  line-height: 1.5;
}

/* ── Login ───────────────────────────────────────────────── */
.login-body {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: radial-gradient(ellipse at 30% 40%, rgba(46,204,138,0.08) 0%, transparent 60%),
              radial-gradient(ellipse at 80% 80%, rgba(78,168,222,0.06) 0%, transparent 50%),
              var(--bg-body);
}

.login-card {
  background: rgba(255,255,255,0.04);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 44px 40px;
  width: 100%;
  max-width: 400px;
  box-shadow: 0 8px 40px rgba(0,0,0,0.4);
}

.login-logo { text-align: center; margin-bottom: 32px; }
.logo-icon { font-size: 3rem; display: block; margin-bottom: 10px; }
.login-logo h1 { font-size: 1.6rem; color: var(--verde); margin-bottom: 4px; }
.login-logo p  { color: var(--text-sub); font-size: 0.9rem; }

/* ── Formularios ─────────────────────────────────────────── */
.form-group { margin-bottom: 18px; }

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text-sub);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid var(--border-l);
  border-radius: var(--radius);
  font-size: 0.95rem;
  transition: border-color 0.2s, background 0.2s;
  background: var(--bg-input);
  color: var(--text);
}

.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--verde);
  background: rgba(46,204,138,0.06);
}

.form-group select option { background: #1a2a20; color: var(--text); }

/* ── Botones ─────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  border: none;
  border-radius: var(--radius);
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s;
}

.btn:hover  { filter: brightness(1.15); transform: translateY(-1px); }
.btn:active { transform: scale(0.98); }

.btn-primary   { background: var(--verde);   color: #0a1410; }
.btn-secondary { background: var(--azul);    color: #0a1410; }
.btn-danger    { background: var(--rojo);    color: white; }
.btn-outline   {
  background: transparent;
  border: 1.5px solid var(--verde);
  color: var(--verde);
}
.btn-block  { width: 100%; justify-content: center; }
.btn-sm     { padding: 6px 12px; font-size: 0.82rem; }

/* ── Alertas ─────────────────────────────────────────────── */
.alert {
  padding: 12px 16px;
  border-radius: var(--radius);
  margin-bottom: 16px;
  font-size: 0.9rem;
  font-weight: 500;
}

.alert-error   { background: var(--rojo-l);    color: var(--rojo);    border-left: 4px solid var(--rojo); }
.alert-success { background: var(--verde-l);   color: var(--verde);   border-left: 4px solid var(--verde); }
.alert-warning { background: var(--naranja-l); color: var(--naranja); border-left: 4px solid var(--naranja); }

/* ── Layout ──────────────────────────────────────────────── */
.layout { display: flex; min-height: 100vh; }

.sidebar {
  width: var(--sidebar-w);
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 100;
}

.sidebar-logo {
  padding: 22px 20px 18px;
  border-bottom: 1px solid var(--border);
}

.sidebar-logo .logo-text {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--verde);
}

.sidebar-logo .logo-sub {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.sidebar-nav { flex: 1; padding: 10px 0; overflow-y: auto; }

.nav-section {
  padding: 10px 18px 4px;
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 18px;
  color: var(--text-sub);
  text-decoration: none;
  font-size: 0.9rem;
  transition: all 0.15s;
  border-left: 3px solid transparent;
  border-radius: 0 8px 8px 0;
  margin-right: 8px;
}

.nav-link:hover,
.nav-link.active {
  background: var(--verde-l);
  color: var(--verde);
  border-left-color: var(--verde);
}

.nav-icon { font-size: 1rem; width: 20px; text-align: center; }

.sidebar-footer {
  padding: 16px 18px;
  border-top: 1px solid var(--border);
  font-size: 0.82rem;
  color: var(--text-muted);
}

.sidebar-footer a { color: var(--text-muted); font-size: 0.78rem; }
.sidebar-footer a:hover { color: var(--verde); }

.main-content {
  margin-left: var(--sidebar-w);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.topbar {
  height: var(--header-h);
  background: var(--bg-header);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  position: sticky;
  top: 0;
  z-index: 50;
}

.topbar-title { font-size: 1.05rem; font-weight: 700; color: var(--text); }

.topbar-user {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.85rem;
  color: var(--text-sub);
}

.page-content { padding: 24px; flex: 1; }

/* ── Cards ───────────────────────────────────────────────── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-l);
  border-radius: var(--radius);
  backdrop-filter: blur(8px);
  padding: 22px;
  margin-bottom: 20px;
  transition: background 0.2s;
}

.card:hover { background: var(--bg-card-hover); }

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border-l);
}

.card-title { font-size: 0.95rem; font-weight: 700; color: var(--text); }

/* ── Stats ───────────────────────────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-l);
  border-radius: var(--radius);
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  transition: background 0.2s, transform 0.2s;
}

.stat-card:hover { background: var(--bg-card-hover); transform: translateY(-2px); }

.stat-icon {
  font-size: 1.8rem;
  width: 50px; height: 50px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
}

.stat-icon.verde   { background: var(--verde-l); }
.stat-icon.azul    { background: var(--azul-l); }
.stat-icon.naranja { background: var(--naranja-l); }

.stat-info .stat-value { font-size: 1.8rem; font-weight: 700; color: var(--text); line-height: 1; }
.stat-info .stat-label { font-size: 0.8rem; color: var(--text-sub); margin-top: 2px; }

/* ── Tablas ──────────────────────────────────────────────── */
.table-responsive { overflow-x: auto; }

table { width: 100%; border-collapse: collapse; font-size: 0.88rem; }

thead th {
  background: rgba(255,255,255,0.03);
  padding: 10px 14px;
  text-align: left;
  font-weight: 600;
  color: var(--text-muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--border-l);
}

tbody td {
  padding: 11px 14px;
  border-bottom: 1px solid var(--border-l);
  color: var(--text);
}

tbody tr:hover { background: rgba(255,255,255,0.03); }

code {
  background: rgba(255,255,255,0.06);
  padding: 2px 8px;
  border-radius: 6px;
  font-size: 0.82rem;
  color: var(--verde);
}

/* ── Badges ──────────────────────────────────────────────── */
.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
}

.badge-verde   { background: var(--verde-l);   color: var(--verde); }
.badge-rojo    { background: var(--rojo-l);    color: var(--rojo); }
.badge-naranja { background: var(--naranja-l); color: var(--naranja); }
.badge-gris    { background: rgba(255,255,255,0.06); color: var(--text-sub); }
.badge-azul    { background: var(--azul-l);    color: var(--azul); }

/* ── Gauge cards (tiempo real) ───────────────────────────── */
.gauge-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
}

.gauge-card {
  background: var(--bg-card);
  border: 1px solid var(--border-l);
  border-radius: var(--radius);
  padding: 22px;
  text-align: center;
  transition: background 0.2s, transform 0.2s;
}

.gauge-card:hover { background: var(--bg-card-hover); transform: translateY(-2px); }

.nivel-seco   { color: var(--rojo); }
.nivel-optimo { color: var(--verde); }
.nivel-humedo { color: var(--azul); }

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); transition: transform 0.3s; }
  .sidebar.open { transform: translateX(0); }
  .main-content { margin-left: 0; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  /* Evitar overflow horizontal */
  body, .layout, .main-content {
    max-width: 100vw;
    overflow-x: hidden;
  }

  /* Topbar no se desborde */
  .topbar {
    max-width: 100vw;
    overflow: hidden;
  }

  /* Ocultar texto del botón Salir en mobile, dejar solo el texto corto */
  .topbar-user .btn {
    padding: 6px 10px;
    font-size: 0.78rem;
  }

  /* Sensor cards sin ancho minimo fijo */
  .sensor-card { min-width: 0; }

  /* Bat card sin overflow */
  .bat-barra-cont { min-width: 0; flex: 1; }
}
/* ============================================================
   RESPONSIVE - Mobile first
   ============================================================ */

/* Botón hamburguesa (oculto en desktop) */
.btn-hamburguesa {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  color: var(--text);
  font-size: 1.4rem;
  line-height: 1;
}

/* Overlay para cerrar sidebar en mobile */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 99;
  backdrop-filter: blur(2px);
}

.sidebar-overlay.visible { display: block; }

@media (max-width: 768px) {

  /* Sidebar oculto por defecto en mobile */
  .sidebar {
    transform: translateX(-100%);
    transition: transform 0.28s ease;
    z-index: 100;
  }

  .sidebar.abierto {
    transform: translateX(0);
  }

  /* El contenido ocupa todo el ancho */
  .main-content {
    margin-left: 0;
  }

  /* Mostrar botón hamburguesa */
  .btn-hamburguesa {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 8px;
    background: var(--bg-card);
    border: 1px solid var(--border-l);
  }

  /* Topbar ajustado */
  .topbar {
    padding: 0 16px;
    gap: 10px;
  }

  .topbar-title {
    font-size: 0.95rem;
    flex: 1;
  }

  .topbar-user span { display: none; }

  /* Page content con menos padding */
  .page-content { padding: 16px; }

  /* Stats en 2 columnas */
  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }

  .stat-card { padding: 14px; gap: 10px; }
  .stat-info .stat-value { font-size: 1.5rem; }

  /* Sensores en 1 columna */
  .sensores-grid {
    grid-template-columns: 1fr;
  }

  /* Formularios en 1 columna */
  div[style*="grid-template-columns: 1fr 1fr"] {
    display: block !important;
  }

  div[style*="grid-template-columns: 1fr 1fr"] > div {
    margin-bottom: 4px;
  }

  div[style*="grid-template-columns: 1fr 1fr 1fr"] {
    display: block !important;
  }

  /* Tablas scrolleables */
  .table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  table { min-width: 500px; font-size: 0.8rem; }

  /* Umbral rows en mobile */
  .umbral-row {
    grid-template-columns: 1fr !important;
    gap: 10px !important;
  }

  .umbral-inputs {
    flex-wrap: wrap;
    gap: 6px;
  }

  /* Rango buttons en mobile */
  .rango-btns {
    flex-wrap: wrap;
    gap: 4px;
  }

  .rango-btn {
    padding: 5px 10px;
    font-size: 0.78rem;
  }

  /* Filtros bar en mobile */
  .filtros-bar {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  /* Batería card en mobile */
  .bat-card {
    flex-wrap: wrap;
    gap: 10px;
  }

  /* Login card en mobile */
  .login-card {
    margin: 16px;
    padding: 28px 20px;
  }

  /* Card padding reducido */
  .card { padding: 16px; }

  /* Acciones de tabla en mobile */
  td[style*="display:flex"] {
    flex-wrap: wrap;
    gap: 4px;
  }
}

@media (max-width: 400px) {
  .stats-grid { grid-template-columns: 1fr; }
  .topbar-title { font-size: 0.85rem; }
}