/* ==========================================
   Mechanical Ventilation - EN
   Full Celeste Clinical UI
========================================== */

/* ================= RESET ================= */

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

/* ================= VARIABLES ================= */

:root {
  --bg-primary: #F0F9FF;          /* Fondo celeste claro */
  --bg-secondary: #E0F2FE;        /* Fondo suave */
  --panel-bg: #FFFFFF;            /* Panel blanco */
  --accent: #38BDF8;              /* Celeste principal */
  --accent-strong: #0EA5E9;       /* Celeste más intenso */
  --text-primary: #0F172A;        /* Texto principal */
  --text-secondary: #475569;      /* Texto secundario */
  --border-color: #BAE6FD;        /* Bordes celestes suaves */
  --radius: 14px;
  --max-width: 900px;
}

/* ================= BODY ================= */

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: linear-gradient(
    180deg,
    #F0F9FF 0%,
    #E0F2FE 100%
  );
  color: var(--text-primary);
  line-height: 1.6;
}

/* ================= CONTAINER ================= */

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 50px 20px 70px;
}

/* ================= LANGUAGE SWITCHER ================= */

.language-switcher {
  text-align: right;
  margin-bottom: 20px;
  font-size: 0.85rem;
}

.language-switcher a {
  color: var(--accent-strong);
  text-decoration: none;
  margin-left: .6rem;
}

.language-switcher a:hover {
  font-weight: 600;
}

/* ================= BREADCRUMB ================= */

.breadcrumb {
  margin-bottom: 25px;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.breadcrumb a {
  color: var(--accent-strong);
  text-decoration: none;
}

.breadcrumb a:hover {
  text-decoration: underline;
}

/* ================= HEADER ================= */

header {
  margin-bottom: 40px;
}

header h1 {
  color: var(--accent-strong);
  font-weight: 700;
  margin-bottom: 10px;
}

.subtitle {
  color: var(--text-secondary);
}

/* ================= PANEL ================= */

.panel {
  background-color: var(--panel-bg);
  padding: 35px;
  border-radius: var(--radius);
  border: 1px solid var(--border-color);
  margin-bottom: 35px;
  box-shadow: 0 10px 20px rgba(14,165,233,.08);
}

.panel h2 {
  margin-bottom: 18px;
  color: var(--accent-strong);
}

/* ================= FORM ================= */

label {
  display: block;
  margin-top: 18px;
  margin-bottom: 6px;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

input,
select {
  width: 100%;
  padding: 10px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  background-color: #FFFFFF;
  color: var(--text-primary);
  transition: 0.2s ease;
}

input:focus,
select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(56,189,248,.25);
}

/* ================= BUTTON ================= */

button {
  margin-top: 18px;
  padding: 12px 22px;
  border-radius: 8px;
  border: none;
  background-color: var(--accent);
  color: white;
  cursor: pointer;
  font-weight: 500;
  transition: 0.2s ease;
}

button:hover {
  background-color: var(--accent-strong);
}

/* ================= RESULT ================= */

.result {
  margin-top: 18px;
  font-weight: 500;
  background: #E0F2FE;
  border: 1px solid rgba(14,165,233,.4);
  padding: 12px;
  border-radius: 8px;
}

/* ================= NOTE ================= */

.note {
  margin-top: 12px;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* ================= GRID ================= */

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

/* ================= FOOTER ================= */

footer {
  margin-top: 60px;
  text-align: center;
  border-top: 1px solid var(--border-color);
  padding-top: 25px;
  background-color: var(--bg-secondary);
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.footer-nav a {
  color: var(--accent-strong);
  text-decoration: none;
  margin: 0 10px;
}

.footer-nav a:hover {
  text-decoration: underline;
}

/* ================= RESPONSIVE ================= */

@media (max-width: 768px) {

  .grid-2 {
    grid-template-columns: 1fr;
  }

}