/* ========================================
   Malla Curricular - Estilos Compartidos
   ======================================== */

:root {
  --dark-color: #263238;
  --light-bg: #f5f7fa;
  --success-color: #4caf50;
  --warning-color: #ffc107;
  --info-color: #03a9f4;
  --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  --transition: all 0.3s ease;

  /* Preprensa */
  --pre-primary: #ff5722;
  --pre-secondary: #e64a19;
  --pre-accent: #2196f3;
  --pre-light: #ecf0f1;
  --pre-docente: #8e44ad;
  --pre-instructor: #2980b9;

  /* Programacion */
  --prog-primary: #3ab01d;
  --prog-secondary: #138617;
  --prog-accent: #6f9cc0;
  --prog-light: #69b9cd;
  --prog-docente: #ac1f1f;
  --prog-instructor: #2b420f;

  --period1-color: #27ae60;
  --period2-color: #f39c12;
  --period3-color: #e74c3c;
}

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

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: var(--dark-color);
  background-color: var(--light-bg);
}

/* Header por programa */
[data-program="preprensa"] header {
  background-color: var(--pre-accent);
  color: white;
}
[data-program="programacion"] header {
  background-color: var(--prog-accent);
  color: black;
}

header {
  padding: 1rem 0;
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.titulo { text-align: center; }

.logo { display: flex; align-items: center; gap: 0.5rem; }
.logo i { font-size: 2rem; }
.logo h1 { font-size: 1.5rem; font-weight: 600; }

nav { display: flex; align-items: center; gap: 1rem; }

.search-container {
  display: flex;
  align-items: center;
  background-color: white;
  border-radius: 4px;
  overflow: hidden;
}

#searchInput { padding: 0.5rem; border: none; outline: none; width: 200px; }

#searchBtn {
  background-color: var(--pre-secondary);
  color: white;
  border: none;
  padding: 0.5rem;
  cursor: pointer;
}
[data-program="programacion"] #searchBtn { background-color: var(--prog-secondary); }

.btn {
  color: white;
  border: none;
  padding: 0.5rem 1rem;
  border-radius: 4px;
  cursor: pointer;
  transition: var(--transition);
}
[data-program="preprensa"] .btn { background-color: var(--pre-secondary); }
[data-program="programacion"] .btn { background-color: var(--prog-secondary); }
.btn:hover { background-color: var(--dark-color); }

/* Filter Panel */
.filter-panel {
  max-width: 1200px;
  margin: 1rem auto;
  padding: 1rem;
  background-color: white;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.filter-panel h3 { margin-bottom: 1rem; color: var(--dark-color); }

.filter-options {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.filter-group label { font-weight: 600; font-size: 0.9rem; }

.filter-group select {
  padding: 0.5rem;
  border: 1px solid #ddd;
  border-radius: 4px;
  background-color: white;
  min-width: 150px;
}

/* Main Content */
main {
  max-width: 1200px;
  margin: 2rem auto;
  padding: 0 1rem;
}

.curriculum-container { display: flex; flex-direction: column; gap: 1rem; }

.period-section { margin-bottom: 2rem; }

.period-header {
  background-color: var(--dark-color);
  color: white;
  padding: 1rem;
  border-radius: 8px 8px 0 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.period-header h2 { font-size: 1.2rem; margin: 0; }
.period-header .period-dates { font-size: 0.9rem; opacity: 0.9; }

.period-content {
  background-color: white;
  border-radius: 0 0 8px 8px;
  box-shadow: var(--shadow);
  overflow: hidden;
}

/* Grid View */
.grid-container {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1rem;
  padding: 1rem;
}

.course-card {
  background-color: white;
  border-radius: 8px;
  padding: 1rem;
  box-shadow: var(--shadow);
  transition: var(--transition);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  min-height: 180px;
  position: relative;
  overflow: hidden;
}

.course-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
}

.course-card.period-1 { border-top: 4px solid var(--period1-color); }
.course-card.period-2 { border-top: 4px solid var(--period2-color); }
.course-card.period-3 { border-top: 4px solid var(--period3-color); }

[data-program="preprensa"] .course-card.docente { border-left: 4px solid var(--pre-docente); }
[data-program="preprensa"] .course-card.instructor { border-left: 4px solid var(--pre-instructor); }
[data-program="programacion"] .course-card.docente { border-left: 4px solid var(--prog-docente); }
[data-program="programacion"] .course-card.instructor { border-left: 4px solid var(--prog-instructor); }

.course-week {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  background-color: var(--dark-color);
  color: white;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  font-size: 0.8rem;
}

.course-title { font-weight: 600; font-size: 1rem; color: var(--dark-color); margin-top: 0.5rem; }
.course-code { font-size: 0.8rem; color: #666; }

.course-details {
  margin-top: auto;
  font-size: 0.8rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.course-grade {
  display: inline-block;
  background-color: var(--info-color);
  color: white;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  font-size: 0.7rem;
  margin-right: 0.5rem;
}

.course-role {
  display: inline-block;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  font-size: 0.7rem;
}
[data-program="preprensa"] .course-role { background-color: var(--pre-docente); color: white; }
[data-program="preprensa"] .course-role.instructor { background-color: var(--pre-instructor); }
[data-program="programacion"] .course-role { background-color: var(--prog-docente); color: white; }
[data-program="programacion"] .course-role.instructor { background-color: var(--prog-instructor); }

/* List View */
.list-container { display: flex; flex-direction: column; gap: 1rem; }

.period-section-list {
  background-color: white;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow);
  margin-bottom: 1.5rem;
}

.period-header-list {
  background-color: var(--dark-color);
  color: white;
  padding: 0.75rem 1rem;
  font-weight: 600;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.period-courses { padding: 0; }

.course-item {
  display: grid;
  grid-template-columns: 80px 1fr 100px 120px;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid #eee;
  cursor: pointer;
  transition: var(--transition);
}

.course-item:last-child { border-bottom: none; }
.course-item:hover { background-color: #f9f9f9; }
.course-item-week { font-weight: 600; text-align: center; }
.course-item-title { font-weight: 500; }
.course-item-grade { text-align: center; }
.course-item-role { text-align: center; }

.course-item.period-1 { border-left: 4px solid var(--period1-color); }
.course-item.period-2 { border-left: 4px solid var(--period2-color); }
.course-item.period-3 { border-left: 4px solid var(--period3-color); }

[data-program="preprensa"] .course-item.docente .course-item-role { color: var(--pre-docente); }
[data-program="preprensa"] .course-item.instructor .course-item-role { color: var(--pre-instructor); }
[data-program="programacion"] .course-item.docente .course-item-role { color: var(--prog-docente); }
[data-program="programacion"] .course-item.instructor .course-item-role { color: var(--prog-instructor); }

/* Modal */
.modal {
  display: none;
  position: fixed;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  overflow: auto;
}

.modal-content {
  background-color: white;
  margin: 10% auto;
  padding: 2rem;
  border-radius: 8px;
  box-shadow: var(--shadow);
  max-width: 600px;
  width: 90%;
  animation: modalFadeIn 0.3s;
}

@keyframes modalFadeIn {
  from { opacity: 0; transform: translateY(-50px); }
  to { opacity: 1; transform: translateY(0); }
}

.close { color: #aaa; float: right; font-size: 28px; font-weight: bold; cursor: pointer; }
.close:hover { color: var(--dark-color); }

.modal h2 {
  margin-bottom: 1.5rem;
  border-bottom: 2px solid #eee;
  padding-bottom: 0.5rem;
}
[data-program="preprensa"] .modal h2 { color: var(--pre-primary); }
[data-program="programacion"] .modal h2 { color: var(--prog-primary); }

.modal-info { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-bottom: 1.5rem; }
.modal-info p { margin-bottom: 0.5rem; }
.modal-description h3 { margin-bottom: 0.5rem; color: var(--dark-color); }

/* Footer */
footer {
  background-color: var(--dark-color);
  color: white;
  padding: 2rem 0;
  margin-top: 3rem;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-info { flex: 1; min-width: 300px; }
.footer-info p { margin-bottom: 0.5rem; }

.social-links { display: flex; gap: 1rem; }
.social-link { color: white; font-size: 1.5rem; transition: var(--transition); }
.social-link:hover { color: var(--pre-primary); }

/* Responsive */
@media (max-width: 1024px) {
  .grid-container { grid-template-columns: repeat(2, 1fr); }
  .course-card { min-height: 160px; }
}

@media (max-width: 768px) {
  .header-container { flex-direction: column; gap: 1rem; }
  nav { width: 100%; justify-content: space-between; }
  .search-container { width: 100%; }
  #searchInput { width: 100%; }
  .grid-container { grid-template-columns: 1fr; }
  .course-item { grid-template-columns: 50px 1fr; grid-template-rows: auto auto; gap: 0.5rem; }
  .course-item-grade, .course-item-role { grid-column: span 2; text-align: left; }
  .modal-info { grid-template-columns: 1fr; }
  .footer-container { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .filter-options { flex-direction: column; align-items: stretch; }
  .period-header { flex-direction: column; align-items: flex-start; gap: 0.5rem; }
}