:root {
  --color-primary: #1A2A52;
  --color-primary-dark: #101a35;
  --color-accent: #c9a227;
  --color-bg: #f5f3f0;
  --color-surface: #ffffff;
  --color-text: #241a1c;
  --color-text-muted: #6b6165;
  --color-border: #e6dfd9;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(16, 26, 53, 0.15);
  --shadow-sm: 0 2px 10px rgba(16, 26, 53, 0.10);
  font-size: 16px;
}

* { box-sizing: border-box; }

body.site {
  margin: 0;
  font-family: 'Muli', 'Segoe UI', Arial, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

.container { max-width: 1180px; margin: 0 auto; padding: 0 24px; }

/* ---------- Navbar ---------- */
.site-navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  background: var(--color-primary);
  color: #fff;
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 50;
}
.site-navbar .brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: .3px;
  color: #fff;
}
.site-navbar .brand .brand-badge {
  width: 36px; height: 36px;
  border-radius: 50%;
  display: block;
  object-fit: contain;
}
.site-navbar .nav-right { display: flex; align-items: center; gap: 18px; font-size: .92rem; }
.site-navbar .nav-right a.logout { opacity: .85; }
.site-navbar .nav-right a.logout:hover { opacity: 1; text-decoration: underline; }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 999px;
  font-weight: 600;
  font-size: .95rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-primary-dark); }
.btn-accent { background: var(--color-accent); color: var(--color-primary-dark); }
.btn-accent:hover { box-shadow: var(--shadow); }
.btn-outline { background: transparent; border-color: currentColor; color: var(--color-primary); }
.btn-outline:hover { background: rgba(107, 29, 46, .06); }
.btn-block { width: 100%; justify-content: center; }

/* ---------- Login ---------- */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(180deg, rgba(16,26,53,.70), rgba(10,16,33,.70)),
              url('../images/wallpaper.jpg') center top/cover no-repeat fixed;
  padding: 24px;
  
}
.login-card {
  width: 100%;
  max-width: 400px;
  background: var(--color-surface);
  border-radius: 20px;
  box-shadow: 0 30px 60px rgba(0,0,0,.35);
  padding: 40px 32px;
  text-align: center;
}
.login-card .brand-badge {
  width: 72px; height: 72px; margin: 0 auto 18px;
  border-radius: 50%;
  display: block;
  object-fit: contain;
}
.login-card h1 { font-size: 1.3rem; margin: 0 0 4px; color: var(--color-primary-dark); }
.login-card p.subtitle { color: var(--color-text-muted); font-size: .88rem; margin: 0 0 26px; }
.field { text-align: left; margin-bottom: 16px; }
.field label { display: block; font-size: .82rem; font-weight: 600; margin-bottom: 6px; color: var(--color-text-muted); }
.field input {
  width: 100%; padding: 13px 14px; border-radius: 10px;
  border: 1.5px solid var(--color-border); font-size: 1rem;
  background: #fbfaf8;
}
.field input:focus { outline: none; border-color: var(--color-primary); background: #fff; }

.help-contact {
  margin: 22px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--color-border);
  font-size: .82rem;
  line-height: 1.6;
  color: var(--color-text-muted);
}
.help-contact a { color: var(--color-primary); font-weight: 600; }
.help-contact a:hover { text-decoration: underline; }

/* ---------- Alertas ---------- */
.alert { padding: 12px 16px; border-radius: 10px; font-size: .9rem; margin-bottom: 16px; text-align: left; }
.alert-error { background: #fde8e8; color: #9b1c1c; }
.alert-success { background: #e7f6ec; color: #14532d; }
.alert-info { background: #eaf1fb; color: #1e3a8a; }

/* ---------- Mis anuarios ---------- */
.page-header { padding: 40px 0 12px; }
.page-header h1 { margin: 0 0 6px; font-size: 1.7rem; color: var(--color-primary-dark); }
.page-header p { color: var(--color-text-muted); margin: 0; }

.anuarios-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
  padding: 24px 0 60px;
}
.anuario-card {
  background: var(--color-surface);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform .18s ease, box-shadow .18s ease;
  display: flex;
  flex-direction: column;
}
.anuario-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.anuario-card .cover {
  aspect-ratio: 8.5/11;
  background-color: var(--color-primary-dark);
  background-image: linear-gradient(140deg, var(--color-primary), var(--color-primary-dark));
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center;
  display: flex; align-items: flex-end;
  position: relative;
}
.anuario-card .cover .badge-ciclo {
  margin: 14px;
  background: var(--color-accent);
  color: var(--color-primary-dark);
  font-weight: 700;
  font-size: .78rem;
  padding: 5px 12px;
  border-radius: 999px;
}
.anuario-card .body { padding: 18px 18px 20px; flex: 1; display: flex; flex-direction: column; }
.anuario-card h3 { margin: 0 0 6px; font-size: 1.05rem; color: var(--color-text); }
.anuario-card p { margin: 0 0 16px; font-size: .85rem; color: var(--color-text-muted); flex: 1; }

.empty-state {
  text-align: center; padding: 60px 24px; color: var(--color-text-muted);
}

/* ---------- Página del anuario ---------- */
.anuario-hero {
  position: relative;
  min-height: 62vh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  background: var(--color-primary-dark);
}
.anuario-hero video {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover;
}
.anuario-hero::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(30,10,14,.15), rgba(20,7,10,.85));
}
.anuario-hero .hero-content { position: relative; z-index: 2; padding: 60px 0 44px; width: 100%; color: #fff; }
.anuario-hero .badge-ciclo {
  display: inline-block; background: var(--color-accent); color: var(--color-primary-dark);
  font-weight: 700; font-size: .8rem; padding: 5px 14px; border-radius: 999px; margin-bottom: 14px;
}
.anuario-hero h1 { font-size: 2.1rem; margin: 0 0 12px; }
.anuario-hero p { max-width: 640px; color: rgba(255,255,255,.88); line-height: 1.55; margin: 0 0 22px; }
.anuario-hero .actions { display: flex; gap: 14px; flex-wrap: wrap; }

.anuario-viewer-section { padding: 44px 0 70px; }
.anuario-viewer-section h2 { color: var(--color-primary-dark); font-size: 1.3rem; margin: 0 0 18px; }
.flipbook-wrap {
  background: var(--color-surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 16px;
  position: relative;
  z-index: 1;
}
.flipbook-wrap #anuarioFlip { width: 100%; height: 78vh; position: relative; }

.embed-wrap {
  background: var(--color-surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 16px;
  overflow: hidden;
}
.embed-wrap iframe { width: 100%; height: 600px; border: 0; border-radius: 8px; display: block; }
.embed-wrap-audio iframe { height: 450px; }

@media (max-width: 640px) {
  .embed-wrap iframe { height: 420px; }
  .embed-wrap-audio iframe { height: 300px; }
}

.back-link { display: inline-flex; align-items: center; gap: 6px; font-size: .88rem; color: var(--color-text-muted); margin-bottom: 18px; }
.back-link:hover { color: var(--color-primary); }

.site-footer { text-align: center; padding: 28px 24px; color: var(--color-text-muted); font-size: .82rem; }

@media (max-width: 640px) {
  .anuario-hero h1 { font-size: 1.5rem; }
  .flipbook-wrap #anuarioFlip { height: 60vh; }
  .login-card { padding: 30px 22px; }
}