/* =========================================================
   I.E. Santa Teresita Pijao — Estilos Globales
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;700&family=Source+Sans+3:wght@300;400;600&display=swap');

:root {
  --rojo:       #9b1a1a;
  --rojo-oscuro:#6e1010;
  --rojo-claro: #c42b2b;
  --dorado:     #c8943a;
  --crema:      #fdf8f2;
  --gris-fondo: #f4f1ec;
  --gris-borde: #ddd5c8;
  --texto:      #2c2c2c;
  --texto-suave:#5a5248;
  --blanco:     #ffffff;
  --sidebar-w:  270px;
  --radio:      8px;
  --sombra:     0 2px 12px rgba(0,0,0,0.10);
  --trans:      0.3s ease;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: 'Source Sans 3', sans-serif;
  background-color: var(--gris-fondo);
  color: var(--texto);
  overflow-x: hidden;
  line-height: 1.6;
}

.container { display: flex; min-height: 100vh; }

/* Sidebar */
.sidebar {
  width: var(--sidebar-w);
  background: linear-gradient(180deg, var(--rojo-oscuro) 0%, var(--rojo) 100%);
  height: 100vh;
  overflow-y: auto;
  position: fixed;
  left: 0; top: 0;
  z-index: 1000;
  transition: transform var(--trans);
  scrollbar-width: thin;
  scrollbar-color: var(--dorado) transparent;
  display: flex;
  flex-direction: column;
}
.sidebar::-webkit-scrollbar { width: 4px; }
.sidebar::-webkit-scrollbar-thumb { background: var(--dorado); border-radius: 4px; }
.sidebar.closed { transform: translateX(-100%); }

/* Logo */
.logo {
  padding: 24px 20px 20px;
  text-align: center;
  border-bottom: 1px solid rgba(255,255,255,0.15);
  flex-shrink: 0;
}
.logo img {
  width: 72px; height: 72px;
  object-fit: contain;
  filter: drop-shadow(0 2px 6px rgba(0,0,0,0.3));
}
.logo h2 {
  margin-top: 10px;
  font-family: 'Playfair Display', serif;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--crema);
  line-height: 1.3;
}
.logo span {
  display: block;
  font-size: 0.72rem;
  color: var(--dorado);
  font-family: 'Source Sans 3', sans-serif;
  font-weight: 300;
  letter-spacing: 1px;
  margin-top: 4px;
  text-transform: uppercase;
}

/* Nav */
nav { padding: 12px 0 20px; flex: 1; }
.menu { list-style: none; }
.menu > li { border-bottom: 1px solid rgba(255,255,255,0.07); }

.menu > li > a {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: #f0e8e0;
  font-size: 0.88rem;
  font-weight: 600;
  padding: 11px 18px;
  transition: background var(--trans), color var(--trans);
}
.menu > li > a:hover { background: rgba(255,255,255,0.12); color: var(--dorado); }

.menu > li > a.has-sub::after {
  content: '›';
  margin-left: auto;
  font-size: 1.2rem;
  transition: transform var(--trans);
  line-height: 1;
}
.menu > li.open > a.has-sub::after { transform: rotate(90deg); }

/* Submenú */
.submenu {
  list-style: none;
  display: none;
  background: rgba(0,0,0,0.22);
  border-left: 3px solid var(--dorado);
  padding: 4px 0;
}
.menu li.open > .submenu { display: block; }
.submenu li a {
  display: block;
  text-decoration: none;
  color: #d4c8bc;
  font-size: 0.82rem;
  padding: 7px 18px 7px 22px;
  transition: background var(--trans), color var(--trans);
}
.submenu li a:hover { background: rgba(255,255,255,0.08); color: #fff; }

/* Hamburguesa */
.menu-toggle {
  display: none;
  position: fixed;
  top: 12px; left: 12px;
  background: var(--rojo);
  color: #fff;
  border: none;
  width: 42px; height: 42px;
  border-radius: var(--radio);
  font-size: 1.3rem;
  cursor: pointer;
  z-index: 1100;
  box-shadow: var(--sombra);
  transition: background var(--trans);
  align-items: center;
  justify-content: center;
}
.menu-toggle:hover { background: var(--rojo-claro); }

/* iFrame */
iframe {
  width: calc(100% - var(--sidebar-w));
  min-height: 100vh;
  margin-left: var(--sidebar-w);
  border: none;
  transition: margin var(--trans), width var(--trans);
  display: block;
}

/* Overlay móvil */
.overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.45);
  z-index: 999;
}
.overlay.visible { display: block; }

/* Responsive */
@media (max-width: 900px) {
  .menu-toggle { display: flex; }
  .sidebar { transform: translateX(-100%); box-shadow: 4px 0 20px rgba(0,0,0,0.3); }
  .sidebar.open { transform: translateX(0); }
  iframe { width: 100%; margin-left: 0; }
}