/* ===================
   Estilos para Login (Versión Mejorada)
   =================== */

:root {
  /* Colores base */
  --primary-color: #548C2F;
  --primary-color-hover: #436F24;
  --primary-color-light: rgba(84, 140, 47, 0.2); /* foco */
  --secondary-color: #212121;
  --background-color: #F8F8F8;
  --card-background-color: #FFFFFF;
  --border-color: #DEDEDE;
  --text-secondary-color: #666666;
  --error-color: #D32F2F;
  --link-color: #385D1F;
}

/* Reseteos mínimos útiles */
*,
*::before,
*::after { box-sizing: border-box; }

html, body { height: 100%; }

body {
  font-family: 'Open Sans', sans-serif;
  margin: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 10px;
  min-height: 100vh;
  background-color: var(--background-color);
  color: var(--secondary-color);
}

/* ===== Selector de idioma (arriba-derecha) ===== */
.lang-switch{
  position: fixed;
  top: 16px; right: 16px;
  z-index: 10000;
}
.lang-trigger{
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--card-background-color);
  border: 1px solid var(--border-color);
  border-radius: 999px;
  padding: 6px 10px;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(2,6,23,.06);
}
.lang-trigger .material-icons{ font-size: 18px; color: var(--secondary-color); }
.lang-current{ font-weight: 700; font-size: 12px; color: var(--secondary-color); }

.lang-menu{
  position: absolute;
  top: 38px; right: 0;
  background: var(--card-background-color);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  box-shadow: 0 10px 22px rgba(2,6,23,.12);
  padding: 6px;
  list-style: none;
  margin: 6px 0 0;
  min-width: 180px;
  display: none;
}
.lang-menu.open{ display: block; }
.lang-menu li{
  padding: 8px 10px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 14px;
}
.lang-menu li:hover{
  background: rgba(2,6,23,.04);
}

/* ===================
   Contenedor principal
   =================== */
.login-container {
  background-color: var(--card-background-color);
  padding: 40px;
  border-radius: 20px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
  text-align: center;
  width: 100%;
  max-width: 400px;
  margin: auto;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.login-logo { max-width: 300px; margin-bottom: 20px; margin: auto; }

.app-name {
  font-family: 'Roboto', sans-serif;
  font-size: 32px;
  font-weight: 700;
  color: var(--text-secondary-color);
  margin: 20px 0 50px;
  text-align: center;
}

/* Inputs + iconos */
.input-group { margin-bottom: 20px; position: relative; width: 100%; }
.input-group input {
  width: 100%;
  padding: 14px 44px;
  padding-left: 45px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  font-size: 16px;
  color: var(--secondary-color);
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
  background-color: #fff;
}
.input-group input:focus {
  border-color: var(--primary-color);
  outline: none;
  box-shadow: 0 0 0 3px var(--primary-color-light);
}
.input-group input::placeholder { color: #999; opacity: 1; }
.input-icon {
  position: absolute; left: 15px; top: 50%;
  transform: translateY(-50%);
  color: var(--text-secondary-color);
  font-size: 22px;
}

/* Toggle password */
.password-toggle-icon {
  position: absolute; right: 8px; top: 50%;
  transform: translateY(-50%);
  color: var(--text-secondary-color);
  cursor: pointer; display: inline-flex; align-items: center; justify-content: center;
  border: none; background: transparent; padding: 6px; line-height: 1; border-radius: 6px;
}
.password-toggle-icon .material-icons { font-size: 22px; }
.password-toggle-icon:hover { background: rgba(0,0,0,0.04); }
.password-toggle-icon:focus-visible { outline: 2px solid var(--primary-color); outline-offset: 2px; }

/* Remember me */
.remember-me { display: flex; align-items: center; margin-bottom: 25px; font-size: 14px; color: var(--text-secondary-color); width: 100%; cursor: pointer; }
.remember-me input[type="checkbox"] { display: none; }
.remember-me label { position: relative; padding-left: 28px; cursor: pointer; user-select: none; }
.remember-me label::before {
  content: ''; position: absolute; left: 0; top: 50%; transform: translateY(-50%);
  width: 18px; height: 18px; border: 2px solid var(--border-color); border-radius: 4px; background: #fff; transition: all 0.2s ease;
}
.remember-me label::after {
  content: ''; position: absolute; left: 7px; top: 50%; transform: translateY(-50%) rotate(45deg);
  width: 5px; height: 10px; border: solid var(--card-background-color); border-width: 0 2px 2px 0; opacity: 0; transition: opacity 0.2s ease;
}
.remember-me input[type="checkbox"]:checked + label::before { background-color: var(--primary-color); border-color: var(--primary-color); }
.remember-me input[type="checkbox"]:checked + label::after { opacity: 1; }

/* Mensajes */
.error-message {
  color: var(--error-color); background-color: rgba(211, 47, 47, 0.1);
  border: 1px solid rgba(211, 47, 47, 0.2);
  border-radius: 8px; font-size: 14px;
  margin-top: -10px; margin-bottom: 12px; padding: 10px; text-align: center;
  opacity: 0; visibility: hidden; transform: translateY(-10px); transition: all 0.3s ease; width: 100%;
}
.error-message.show { opacity: 1; visibility: visible; transform: translateY(0); }

.warning-message {
  color: #6a5703; background-color: rgba(255, 193, 7, 0.12);
  border: 1px solid rgba(255, 193, 7, 0.35);
  border-radius: 8px; font-size: 14px; margin-top: 6px; margin-bottom: 15px; padding: 10px;
  text-align: center; opacity: 0; visibility: hidden; transform: translateY(-6px); transition: all 0.25s ease; width: 100%;
}
.warning-message.show { opacity: 1; visibility: visible; transform: translateY(0); }

/* Botón */
.login-button {
  width: 100%; padding: 15px 20px; background-color: var(--primary-color);
  color: var(--card-background-color); border: none; border-radius: 8px;
  font-family: 'Roboto', sans-serif; font-size: 16px; font-weight: 700; cursor: pointer;
  transition: background-color 0.25s ease, box-shadow 0.25s ease, transform 0.2s ease;
  text-transform: uppercase; letter-spacing: 1px; margin-bottom: 25px;
}
.login-button:hover { background-color: var(--primary-color-hover); box-shadow: 0 6px 15px rgba(0, 0, 0, 0.2); transform: translateY(-2px); }
.login-button:active { transform: translateY(0); box-shadow: 0 3px 10px rgba(0, 0, 0, 0.15); }
.login-button:disabled { opacity: 0.7; cursor: not-allowed; background-color: #9BBE8A; box-shadow: none; transform: none; }

/* Footer */
.forgot-password { display: block; font-size: 14px; color: var(--link-color); text-decoration: none; transition: color 0.3s ease; }
.forgot-password:hover { text-decoration: underline; color: var(--primary-color); }
.dashboard-footer { width: 100%; padding: 20px; text-align: center; color: var(--text-secondary-color); font-size: 14px; background-color: transparent; box-shadow: none; }

/* Overlay */
.loading-overlay {
  position: fixed; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center;
  background: rgba(255, 255, 255, 0.85); z-index: 9999; visibility: hidden; opacity: 0; transition: opacity 0.2s ease, visibility 0.2s ease;
  font-family: 'Roboto', sans-serif; color: #333;
}
.loading-overlay.show { visibility: visible; opacity: 1; }
.spinner { width: 48px; height: 48px; border-radius: 50%; border: 4px solid #eee; border-top: 4px solid var(--primary-color); animation: login-spin 0.9s linear infinite; margin-bottom: 12px; }
.loading-text { font-size: 1rem; font-weight: 500; }
@keyframes login-spin { to { transform: rotate(360deg); } }

@media (prefers-reduced-motion: reduce) {
  .spinner { animation: none; }
  .loading-overlay, .error-message, .warning-message { transition: none; }
}

/* Responsive */
@media (max-width: 480px) {
  .login-container {
    padding: 30px 25px;
    box-shadow: none;
    margin: 0;
    border-radius: 0;
    min-height: 100vh;
  }
  .app-name { font-size: 28px; }
  .login-logo { max-width: 180px; }
  .dashboard-footer { position: relative; }
}