@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap');

:root {
  --color-primary: #0F294C;
  --color-primary-rgb: 15, 41, 76;
  --color-secondary: #CDA758;
  --color-secondary-bright: #E9D29B;
  --color-text-dark: #333;
  --color-text-light: #ffffff;
  --color-text-muted: #666;
  --color-placeholder: #888;
  --color-text-divider: #aaa;
  --color-background-input: #f8fafc;
  --color-border: #e2e8f0;
  
  --font-main: 'Poppins', sans-serif;
  --radius-md: 12px;
  --radius-lg: 24px;
  
  --shadow-main: 0 20px 60px rgba(0, 0, 0, 0.3);
  --shadow-btn: 0 4px 15px rgba(15, 41, 76, 0.25);
  --shadow-btn-hover: 0 8px 25px rgba(205, 167, 88, 0.4);
  
  --transition-main: 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: var(--font-main);
}

/* =========================================
   FONDO Y BODY (SIN SCROLL EN PC)
   ========================================= */
html, body {
  height: 100%;
  width: 100%;
  overflow: hidden; /* Sin scroll principal */
}

body {
  background-color: #0F294C;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

/* Imagen de fondo */
body::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('../img/DJI_0535.jpg'); 
  background-size: cover;
  background-position: center;
  filter: brightness(0.85) blur(4px); /* Difuminado suave */
  z-index: -1;
  transform: scale(1.02);
}

/* =========================================
   CONTENEDOR PRINCIPAL
   ========================================= */
.main-wrapper {
  display: flex;
  width: 100%;
  max-width: 1100px;
  
  /* Altura controlada */
  height: 85vh; 
  max-height: 800px;
  min-height: 600px;
  
  background-color: rgba(255, 255, 255, 0.96); 
  box-shadow: var(--shadow-main);
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  backdrop-filter: blur(10px); 
  animation: zoomIn 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
}

/* =========================================
   PANEL IZQUIERDO (IMAGEN & LOGO GRANDE)
   ========================================= */

.left-panel {
  flex: 1.2;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  
  /* --- AJUSTE VERTICAL --- */
  justify-content: flex-start; 
  padding-top: 18%;    
  align-items: center;     
  padding-left: 40px;
  padding-right: 40px;
  padding-bottom: 40px;
  
  color: var(--color-text-light); 
  text-align: center;
}
.left-panel::before {
  content: '';
  position: absolute;
  inset: 0; 
  z-index: -1;
  background-image: url('../img/DJI_0535.jpg'); 
  background-size: cover;
  background-position: center;
  background-attachment: fixed; 
  box-shadow: inset 0 0 0 1000px rgba(15, 41, 76, 0.85); 
  transition: transform 0.5s;
}

.left-panel-content {
  z-index: 2;
  animation: slideUp 0.8s ease-out 0.2s backwards;
  max-width: 90%;
  display: flex;
  flex-direction: column;
  align-items: center; 
}

/* --- LOGO --- */
.school-logo-large {
  width: 240px; 
  height: auto;
  margin-bottom: 30px;
  filter: drop-shadow(0 8px 20px rgba(0,0,0,0.4)); 
  transition: transform 0.3s;
}
.school-logo-large:hover { transform: scale(1.05); }

.welcome-heading {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 15px;
  line-height: 1.3;
  text-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

.welcome-text {
  font-size: 1rem;
  font-weight: 300;
  opacity: 0.95;
  line-height: 1.6;
}

.copyright-text {
  position: absolute;
  bottom: 20px;
  left: 0;
  width: 100%; 
  text-align: center; 
  font-size: 0.75rem;
  opacity: 0.6;
  letter-spacing: 0.5px;
  padding: 0 20px;
}

/* =========================================
   PANEL DERECHO 
   ========================================= */
.right-panel {
  flex: 1;
  background-color: #fff;
  display: flex;
  flex-direction: column;
  justify-content: flex-start; 
  align-items: center;         
  padding-top: 15%;            
  padding-left: 40px;
  padding-right: 40px;
  padding-bottom: 40px;
  position: relative;
  overflow-y: auto; 
  scrollbar-width: none;
}

/* Ocultar barra de scroll */
.right-panel::-webkit-scrollbar {
  display: none;
}

.form-container {
  width: 100%;
  max-width: 380px; 
  text-align: center;
  animation: fadeIn 0.8s ease-out 0.4s backwards;
  margin: 0 auto;
}

/* Logo Pequeño (Móvil) */
.school-logo-small {
  display: none;
  width: 100px;
  margin: 0 auto 20px;
}

.form-header {
  margin-bottom: 25px;
}

.form-header h1 {
  font-size: 1.8rem;
  color: var(--color-primary);
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: -0.5px;
}

.sub-header-text {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  margin-bottom: 0;
}

/* --- INPUTS --- */
.form-box { display: flex; flex-direction: column; gap: 20px; }
.input-group { position: relative; }

.input-group input {
  width: 100%;
  height: 54px; 
  padding: 0 15px 0 12px;
  border: 2px solid transparent;
  background-color: var(--color-background-input);
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  color: var(--color-text-dark);
  outline: none;
  transition: all 0.3s ease;
  box-shadow: 0 0 0 1px var(--color-border);
}

.input-group input:focus {
  background-color: #fff;
  box-shadow: 0 0 0 2px var(--color-secondary);
  transform: translateY(-2px);
}

.floating-label {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-placeholder);
  pointer-events: none;
  transition: 0.2s cubic-bezier(0.25, 0.8, 0.25, 1);
  font-size: 0.95rem;
  padding: 0 4px;
  background-color: transparent;
}

.input-group input:focus ~ .floating-label,
.input-group input:not(:placeholder-shown) ~ .floating-label {
  top: -9px; 
  font-size: 0.75rem;
  color: var(--color-primary);
  background-color: #fff;
  font-weight: 600;
  border-radius: 4px;
}

.eye-icon {
  position: absolute; right: 15px; top: 50%; transform: translateY(-50%);
  cursor: pointer; color: #aaa; transition: 0.2s;
}
.eye-icon:hover { color: var(--color-primary); }

/* --- CHECKBOX Y LINKS --- */
.input-group.checkbox-group {
  display: flex; justify-content: space-between; align-items: center; font-size: 0.85rem; margin-top: -5px;
}
.remember-me { display: flex; align-items: center; gap: 8px; color: #555; cursor: pointer; }
.input-group input[type="checkbox"] {
  width: 18px; height: 18px; accent-color: var(--color-primary); cursor: pointer;
}
.form-link {
  color: var(--color-primary); font-weight: 600; text-decoration: none; font-size: 0.85rem;
  position: relative;
}
.form-link::after {
  content: ''; position: absolute; width: 0; height: 2px; bottom: -2px; left: 0;
  background-color: var(--color-secondary); transition: width 0.3s;
}
.form-link:hover::after { width: 100%; }

/* --- BOTÓN PRINCIPAL --- */
.form-btn--submit {
  background: linear-gradient(135deg, var(--color-primary) 0%, #1a427a 100%);
  color: #fff;
  border: none;
  padding: 16px;
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-btn);
  margin-top: 15px;
  position: relative;
  overflow: hidden;
}

.form-btn--submit:hover {
  background: linear-gradient(135deg, #1a427a 0%, var(--color-primary) 100%);
  transform: translateY(-3px);
  box-shadow: var(--shadow-btn-hover);
}
.form-btn--submit:active { transform: translateY(0); }

/* --- FOOTER --- */
.form-divider {
  margin: 35px 0 25px; 
  position: relative; 
  font-size: 0.8rem; 
  color: #aaa; 
  text-transform: uppercase; 
  letter-spacing: 1px;
}
.form-divider::before {
  content: ''; 
  position: absolute; 
  left: 0; right: 0; 
  top: 50%; height: 1px; 
  background-color: #eee; 
  z-index: 1;
}
.form-divider p {
  background-color: #fff; 
  padding: 0 15px; 
  display: inline-block; 
  position: relative; 
  z-index: 2;
}

.form-socials { display: flex; 
  justify-content: center; 
  gap: 15px; 
  margin-bottom: 20px; }

.form-btn--social {
  width: 45px; 
  height: 45px; 
  border-radius: 50%; 
  border: 1px solid #eee;
  display: flex; 
  align-items: center; 
  justify-content: center;
  transition: 0.3s; 
  background: #fff;
}
.form-btn--social:hover {
  border-color: var(--color-primary); 
  transform: translateY(-3px); 
  box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.btn-icon { width: 20px; 
  height: 20px; 
}

/* Mensajes de Alerta */
.message-container {
  position: fixed; 
  top: 20px; left: 50%; 
  transform: translateX(-50%); 
  z-index: 9999; width: 90%; 
  max-width: 400px;
}
.alert {
  padding: 14px 20px; 
  border-radius: 8px; 
  font-weight: 500; 
  font-size: 0.9rem;
  box-shadow: 0 10px 30px rgba(0,0,0,0.15); 
  margin-bottom: 10px; 
  display: flex; 
  align-items: center; 
  gap: 10px;
  animation: slideDown 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.alert.danger { background: #fff; 
  border-left: 5px solid #ef4444; 
  color: #b91c1c; 
}

.alert.success { background: #fff; 
  border-left: 5px solid #22c55e; 
  color: #15803d;
 }

/* ============================================================
    RESPONSIVIDAD TOTAL 
   ============================================================ */
@media (max-width: 850px) {
  
  html, body {
    overflow-y: auto; 
    height: auto;     
    background: #ffffff; 
  }
  
  body::before { display: none; } 

  .main-wrapper {
    flex-direction: column;
    width: 100%;
    max-width: none;
    height: 100%;
    min-height: 100vh;
    
    /* SIN ESTILO DE TARJETA */
    border-radius: 0; 
    box-shadow: none; 
    border: none;
    
    margin: 0;
    background-color: #fff;
    backdrop-filter: none;
    animation: fadeIn 0.5s ease-out;
  }

  .left-panel { display: none; } 

  .right-panel {
    padding: 40px 25px;
    width: 100%;
    min-height: 100vh;
    border-radius: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }

  .form-container {
    width: 100%;
    max-width: 100%;
    animation: none;
  }

  /* --- LOGO EN CELULAR--- */
  .school-logo-small {
    display: block;
    width: 150px; /* Aumentado de 100px a 150px para celular */
    margin: 0 auto 30px;
  }

  .form-header h1 { font-size: 1.8rem; }
  .sub-header-text { font-size: 0.95rem; margin-bottom: 40px; }

  /* Inputs Táctiles Mejorados */
  .input-group input {
    height: 60px;
    font-size: 16px; 
    border-radius: 14px;
    background-color: #f7f9fc;
    border: 1px solid #eef2f6;
  }
  
  .input-group input:focus {
    background-color: #fff;
    border-color: var(--color-primary);
  }

  /* Botón Grande */
  .form-btn--submit {
    padding: 18px;
    font-size: 1.1rem;
    border-radius: 14px;
    margin-top: 30px;
    box-shadow: 0 10px 25px rgba(15, 41, 76, 0.15);
  }

  /* Modal Móvil */
  .modal-box {
    width: 95%;
    padding: 25px;
    border-radius: 20px;
    position: fixed;
    bottom: 20px;
    margin: 0;
    box-shadow: 0 -10px 40px rgba(0,0,0,0.2);
  }
  
  .form-link { padding: 12px 0; display: inline-block; }
}

/* ============================================================
   MODAL DE RECUPERACIÓN 
   ============================================================ */

/* 1. Fondo oscuro (Fade In) */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 41, 76, 0.6); 
  backdrop-filter: blur(4px);        
  display: none;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  
  /* Estado inicial para la transición del fondo */
  opacity: 0;
  transition: opacity 0.3s ease;
}

/* Cuando JS agrega .show, el fondo aparece suavemente */
.modal-overlay.show {
  display: flex;
  opacity: 1;
}

/* 2. Definición de la Animación "Pop Up" (Escritorio) */
@keyframes modalPopUp {
  0% {
    opacity: 0;
    transform: scale(0.8) translateY(30px);
  }
  60% {
    opacity: 1;
    transform: scale(1.02) translateY(-10px); /* Rebote */
  }
  100% {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

/* 3. La Tarjeta Principal */
.modal-box {
  background: #ffffff;
  width: 90%;
  max-width: 400px;
  padding: 35px 30px;
  border-radius: 20px;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.5); 
  text-align: center;
  position: relative;
  overflow: hidden;
  border-top: 4px solid var(--color-secondary);
  
  /* ESTADO INICIAL: Invisible y desplazado */
  opacity: 0; 
  transform: scale(0.8) translateY(30px);
}

/* 4. EJECUTAR ANIMACIÓN AL ABRIR */
.modal-overlay.show .modal-box {
  /* 'forwards' asegura que se quede visible al terminar */
  animation: modalPopUp 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
}

/* --- RESTO DE ESTILOS (IGUAL QUE ANTES) --- */

.modal-box h2 {
  color: var(--color-primary);
  margin-bottom: 8px;
  font-weight: 800;
  font-size: 1.4rem;
}

.modal-box p {
  color: #64748b;
  font-size: 0.9rem;
  margin-bottom: 20px;
  line-height: 1.4;
}

/* Selector Cápsula */
.role-selector {
  display: flex;
  background-color: #f1f5f9;
  border-radius: 50px; 
  padding: 4px;
  border: 1px solid #e2e8f0;
  margin-bottom: 20px;
  width: 100%;
}

.role-selector input[type="radio"] { display: none; }

.role-selector label {
  flex: 1;
  cursor: pointer;
  padding: 10px;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  color: #64748b;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.role-selector input[type="radio"]:checked + label {
  background-color: var(--color-primary);
  color: #ffffff;
  box-shadow: 0 2px 8px rgba(15, 41, 76, 0.25);
}

/* Inputs */
.modal-box label:not(.role-selector label) {
  display: block;
  text-align: left;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 6px;
  margin-left: 5px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.modal-box .input-field { 
  width: 100%;
  padding: 12px 15px;
  border: 1px solid #e2e8f0;
  border-radius: 10px;
  background-color: #f8fafc;
  margin-bottom: 15px;
  font-size: 0.95rem;
  color: #333;
  outline: none;
  transition: all 0.2s ease;
}

.modal-box .input-field:focus {
  background-color: #fff;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(15, 41, 76, 0.1);
}

/* Botones */
.button-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 10px;
}

.btn-primary {
  width: 100%;
  padding: 14px;
  border-radius: 10px;
  border: none;
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  background: linear-gradient(135deg, var(--color-primary) 0%, #1a427a 100%);
  color: #fff;
  transition: all 0.3s ease;
  box-shadow: 0 4px 12px rgba(15, 41, 76, 0.2);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(15, 41, 76, 0.3);
}

.btn-cancel {
  width: 100%;
  padding: 10px;
  background: transparent;
  color: #94a3b8;
  font-weight: 600;
  font-size: 0.9rem;
  border: none;
  cursor: pointer;
  transition: color 0.2s;
}
.btn-cancel:hover { color: var(--color-danger-text); }

.estado {
  margin-top: 10px;
  font-size: 0.85rem;
  font-weight: 600;
  min-height: 20px;
  color: var(--color-danger-text);
}

/* --- 5. AJUSTES Y ANIMACIÓN PARA CELULAR --- */
@media (max-width: 480px) {
  
  /* Animación Deslizar desde abajo */
  @keyframes slideUpMobile {
    0% {
      opacity: 0;
      transform: translateY(100%);
    }
    100% {
      opacity: 1;
      transform: translateY(0);
    }
  }

  .modal-box {
    width: 100%;
    max-width: 100%;
    border-radius: 24px;
    border-bottom-left-radius: 0;
    border-bottom-right-radius: 0;
    
    /* Posición inicial: Escondido abajo */
    position: fixed;
    bottom: 0;
    margin: 0;
    padding: 30px 25px;
    
    /* Estado inicial móvil */
    opacity: 0;
    transform: translateY(100%);
  }

  .modal-overlay.show .modal-box {
    /* Ejecuta la animación de deslizar */
    animation: slideUpMobile 0.4s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
    
    /* Quitamos las propiedades de la animación de escritorio */
    transform: none; 
  }
}
/* ============================================================
   ANIMACIONES DE SALIDA (CERRAR MODAL)
   ============================================================ */

/* 1. Animación para el Fondo Oscuro (Fade Out) */
.modal-overlay.closing {
  animation: fadeOutOverlay 0.3s forwards;
  /* Mantenemos display flex mientras se anima */
  display: flex !important; 
}

@keyframes fadeOutOverlay {
  from { opacity: 1; }
  to { opacity: 0; }
}

/* 2. Animación Salida ESCRITORIO (Pop Down) */
.modal-overlay.closing .modal-box {
  animation: modalPopDown 0.3s forwards;
}

@keyframes modalPopDown {
  0% {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
  100% {
    opacity: 0;
    transform: scale(0.8) translateY(20px);
  }
}

/* 3. Animación Salida CELULAR (Deslizar hacia abajo) */
@media (max-width: 480px) {
  .modal-overlay.closing .modal-box {
    animation: slideDownMobile 0.3s forwards;
  }

  @keyframes slideDownMobile {
    0% {
      opacity: 1;
      transform: translateY(0);
    }
    100% {
      opacity: 0;
      transform: translateY(100%);
    }
  }
}

/* Animaciones */
@keyframes zoomIn { from { transform: scale(0.95); opacity: 0; } to { transform: scale(1); opacity: 1; } }
@keyframes slideUp { from { transform: translateY(40px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }
@keyframes slideDown { from { transform: translateY(-40px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
/* ============================================================
   ANIMACIONES DE SALIDA 
   ============================================================ */

/* 1. El Fondo Oscuro se desvanece */
.modal-overlay.closing {
  animation: fadeOutOverlay 0.3s forwards;
  /* Es vital mantener display:flex para que no desaparezca antes de animar */
  display: flex !important; 
}

@keyframes fadeOutOverlay {
  from { opacity: 1; }
  to { opacity: 0; }
}

/* 2. La Tarjeta se va hacia abajo (Escritorio) */
.modal-overlay.closing .modal-box {
  animation: modalPopDown 0.3s forwards;
}

@keyframes modalPopDown {
  from { 
    opacity: 1; 
    transform: scale(1) translateY(0); 
  }
  to { 
    opacity: 0; 
    transform: scale(0.9) translateY(20px); 
  }
}

/* 3. La Tarjeta se desliza hacia abajo (Celular) */
@media (max-width: 480px) {
  .modal-overlay.closing .modal-box {
    animation: slideDownMobile 0.3s forwards;
  }

  @keyframes slideDownMobile {
    from { transform: translateY(0); }
    to { transform: translateY(100%); }
  }
}
/* ============================================================
   ALERTAS RÁPIDAS (3 SEGUNDOS)
   ============================================================ */

.message-container {
  position: fixed;
  top: 30px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 9999;
  width: auto;
  min-width: 320px;
  max-width: 90%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  pointer-events: none; 
}

.alert {
  background-color: #fff;
  border-left: 6px solid #ef4444; /* Rojo Error */
  color: #b91c1c;
  padding: 16px 25px;
  border-radius: 12px;
  font-size: 0.95rem;
  font-weight: 600;
  box-shadow: 0 15px 40px rgba(0,0,0,0.2);
  display: flex;
  align-items: center;
  gap: 12px;
  pointer-events: auto;

  /* --- CONFIGURACIÓN DE TIEMPO: 3 SEGUNDOS --- */
  opacity: 0; 
  animation: autoDismiss 3s ease forwards;
}

/* --- LÍNEA DE TIEMPO DE 3 SEGUNDOS --- */
@keyframes autoDismiss {
  /* 1. ENTRADA (0s a 0.5s aprox) */
  0% {
    opacity: 0;
    transform: translateY(-50px);
  }
  15% {
    opacity: 1;
    transform: translateY(0);
  }

  /* 2. LECTURA (0.5s a 2.5s aprox) - Se queda quieta */
  85% {
    opacity: 1;
    transform: translateY(0);
  }

  /* 3. SALIDA (2.5s a 3s) - Se va */
  100% {
    opacity: 0;
    transform: translateY(-50px);
    visibility: hidden;
  }
}
/* ============================================================
   ESTILO PARA ALERTA DE ÉXITO (LOGOUT / REGISTRO)
   ============================================================ */

/* Cuando el mensaje es success (verde) */
.alert.success {
  background-color: #ffffff;
  border-left: 6px solid #10b981; /* Verde Esmeralda */
  color: #065f46;                 /* Texto verde oscuro */
  border: 1px solid #d1fae5;      /* Borde sutil */
}

/* Icono específico para éxito (Check) */
.alert.success::before {
  content: '✔'; /* Icono simple con CSS */
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  background-color: #d1fae5;
  color: #10b981;
  border-radius: 50%;
  font-size: 14px;
  margin-right: 8px;
  font-weight: 800;
}

/* Animación de rebote suave para el éxito */
.alert.success {
  animation: slideInSuccess 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55) forwards;
}

@keyframes slideInSuccess {
  0% {
    opacity: 0;
    transform: translateY(-80px) scale(0.8);
  }
  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}