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

body {
  font-family: 'Arial', sans-serif;
  background-color: white;
  color: #333;
  line-height: 1.6;
  min-height: 100vh;
}

/* Header */
.header {
  background-color: #2c3e50;
  color: rgb(255, 255, 255);
  padding: 24px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 10000;
}

.logo {
  position: fixed;
  top: -60px;
  left: -50px;
  width: 235px;
  height: 235px;
  object-fit: cover;
  clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
  background: none;
  z-index: 1001;
}

.logo-gestixedu {
  position: fixed;
  top: -20px;
  right: 520px;
  width: 165px;
  height: 140px;
  object-fit: cover;
  z-index: 1001;
}

.header h1 {
  text-align: center;
  flex-grow: 1;
  margin: 0;
}

/* Main content */
.main {
  padding: 20px;
  max-width: 1200px;
  margin: 100px auto 0 auto;
}

/* Content wrapper */
.content-wrapper {
  display: flex;
  gap: 20px;
}

.sidebar {
  flex: 0 0 300px;
  background: white;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.sidebar-section {
  margin-bottom: 20px;
}

.sidebar-section h4 {
  margin-bottom: 10px;
  color: #2c3e50;
}

.main-content {
  flex: 1;
  display: flex;
  gap: 20px;
}

.form-side-panel {
  flex: 0 0 250px;
}

.config-section {
  background: white;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.main-content-inner {
  flex: 1;
}

/* Card styles */
.card {
  background: white;
  padding: 40px;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  text-align: center;
  margin: 20px 0;
}

.card h2 {
  margin-bottom: 20px;
  color: #2c3e50;
}

.card p {
  margin-bottom: 20px;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 12px 24px;
  margin: 10px;
  border: none;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  color: white;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.btn-login {
  background-color: #3498db;
}

.btn-login:hover {
  background-color: #2980b9;
}

.btn-registro {
  background-color: #2c3e50;
}

.btn-registro:hover {
  background-color: #1a242f;
}

.btn-add {
  background-color: #28a745;
}

.btn-add:hover {
  background-color: #218838;
}

.btn-del {
  background-color: #dc3545;
  color: white;
  padding: 5px 10px;
  border-radius: 5px;
  text-decoration: none;
}

.btn-del:hover {
  background-color: #c82333;
}

/* Table styles */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
  background: white;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

th, td {
  padding: 12px;
  text-align: left;
  border-bottom: 1px solid #ddd;
}

th {
  background-color: #2c3e50;
  color: white;
}

tr:hover {
  background-color: #f1f1f1;
}

tr:nth-child(even) {
  background-color: #f9f9f9;
}

/* Form styles */
form {
  background: white;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  margin: 20px 0;
}

input, select {
  width: 100%;
  padding: 10px;
  margin: 10px 0;
  border: 1px solid #ddd;
  border-radius: 4px;
}

button {
  background-color: #28a745;
  color: white;
  padding: 10px 20px;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}

button:hover {
  background-color: #218838;
}

/* Botón scroll to top */
#scroll-to-top {
  opacity: 0.7;
}

#scroll-to-top:hover {
  opacity: 1;
  background-color: #2980b9;
}

/* Modal "¿Quiénes somos?" */
#about-modal {
  z-index: 2000;
  display: flex;
}

#about-modal .modal-content {
  background: white;
  padding: 20px;
  border-radius: 8px;
  max-width: 500px;
  width: 90%;
  max-height: 80%;
  overflow-y: auto;
}

/* Estilos para la página de integrantes */
.integrantes-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
  margin: 20px 0;
}

.integrante-card {
  background: white;
  padding: 20px;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  text-align: center;
  width: 300px;
  transition: transform 0.3s ease;
}

.integrante-card:hover {
  transform: translateY(-5px);
}

.integrante-photo {
  width: 150px;
  height: 150px;
  object-fit: cover;
  border-radius: 50%;
  margin-bottom: 15px;
  cursor: pointer;
}

.integrante-card h3 {
  margin-bottom: 10px;
  color: #2c3e50;
}

.integrante-card p {
  margin-bottom: 10px;
  line-height: 1.5;
}

/* Login page styles */
.login-body {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  min-height: 100vh;
  position: relative;
  overflow: hidden;
}

.background-animation {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="2" fill="rgba(255,255,255,0.1)"/></svg>') repeat;
  animation: float 20s infinite linear;
}

@keyframes float {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-20px); }
  100% { transform: translateY(0px); }
}

.login-card {
  max-width: 400px;
  margin: 50px auto;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-radius: 20px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
  animation: slideIn 0.5s ease-out;
}

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

.login-card h2 {
  color: #2c3e50;
  margin-bottom: 30px;
  font-size: 28px;
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.input-group {
  position: relative;
}

.input-field {
  width: 100%;
  padding: 15px 50px 15px 20px;
  border: 2px solid #ddd;
  border-radius: 10px;
  font-size: 16px;
  transition: all 0.3s ease;
  background: rgba(255, 255, 255, 0.8);
}

.input-field:focus {
  border-color: #3498db;
  box-shadow: 0 0 10px rgba(52, 152, 219, 0.3);
  outline: none;
}

.input-icon {
  position: absolute;
  right: 15px;
  top: 50%;
  transform: translateY(-50%);
  color: #666;
  cursor: pointer;
  transition: color 0.3s ease;
}

.input-icon:hover {
  color: #3498db;
}

.toggle-password:hover {
  color: #e74c3c;
}

.btn-login {
  background: linear-gradient(135deg, #3498db, #2980b9);
  border: none;
  border-radius: 10px;
  padding: 15px;
  font-size: 18px;
  font-weight: bold;
  color: white;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(52, 152, 219, 0.3);
}

.btn-login:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(52, 152, 219, 0.4);
}

.register-link {
  display: block;
  margin-top: 20px;
  color: #3498db;
  text-decoration: none;
  font-weight: bold;
  transition: color 0.3s ease;
}

.register-link:hover {
  color: #2980b9;
  text-decoration: underline;
}

.error-message {
  background: #e74c3c;
  color: white;
  padding: 10px;
  border-radius: 5px;
  margin-bottom: 20px;
  animation: shake 0.5s ease-in-out;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-5px); }
  75% { transform: translateX(5px); }
}

/* Index page styles */
.index-body {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  min-height: 100vh;
  position: relative;
  overflow: hidden;
}

.index-main {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 20px;
  text-align: center;
}

.hero-section {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-radius: 20px;
  padding: 40px;
  margin-bottom: 40px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
  animation: slideIn 0.5s ease-out;
  max-width: 800px;
  width: 100%;
}

.hero-section h2 {
  color: #2c3e50;
  font-size: 2.5rem;
  margin-bottom: 20px;
  font-weight: 700;
}

.hero-section p {
  color: #666;
  font-size: 1.2rem;
  margin-bottom: 30px;
  line-height: 1.6;
}

.hero-buttons {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-btn {
  padding: 15px 30px;
  font-size: 1.1rem;
  font-weight: 600;
  border-radius: 10px;
  text-decoration: none;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.hero-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.features-section {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  max-width: 1000px;
  width: 100%;
}

.feature-card {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-radius: 15px;
  padding: 30px;
  text-align: center;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  animation: fadeInUp 0.6s ease-out;
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.feature-icon {
  font-size: 3rem;
  margin-bottom: 20px;
}

.feature-card h3 {
  color: #2c3e50;
  font-size: 1.5rem;
  margin-bottom: 15px;
  font-weight: 600;
}

.feature-card p {
  color: #666;
  line-height: 1.6;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.success-message {
  background: #27ae60;
  color: white;
  padding: 10px;
  border-radius: 5px;
  margin-bottom: 20px;
  animation: slideIn 0.5s ease-out;
}

/* Responsive design */
@media (max-width: 768px) {
  .header {
    flex-direction: column;
    text-align: center;
  }

  .logo {
    position: static;
    margin-bottom: 100px;
  }

  .logo-gestixedu {
    position: static;
    margin-bottom: 10px;
  }

  .card {
    padding: 20px;
  }

  .login-card {
    max-width: 90%;
    margin: 20px auto;
  }

  .hero-section {
    padding: 20px;
    margin-bottom: 20px;
  }

  .hero-section h2 {
    font-size: 2rem;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .features-section {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .feature-card {
    padding: 20px;
  }

  table {
    font-size: 14px;
  }

  th, td {
    padding: 8px;
  }

  #scroll-to-top {
    width: 40px;
    height: 40px;
    font-size: 16px;
    bottom: 10px;
    right: 10px;
  }

  .integrantes-container {
    flex-direction: column;
    align-items: center;
  }

  .integrante-card {
    width: 90%;
    max-width: 300px;
  }
}