/* ============================================================
   BOLOGNA TRAVEL — Admin Panel Styles
   Exclusivo para el panel de administración.
   Usa los tokens del proyecto (tokens.css) como base.
   ============================================================ */

/* ---- Reset mínimo local ---------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* ---- Variables locales del admin ------------------------- */
:root {
  --admin-card-width: 420px;
  --admin-bg: #1e1e1e;           /* Más oscuro que el grafito del sitio */
  --admin-card-bg: #ffffff;
  --admin-card-radius: 16px;
  --admin-input-border: #dde1e5;
  --admin-input-focus: var(--color-primary, #A92915);
  --admin-error-bg: #fff1f0;
  --admin-error-border: #ffa39e;
  --admin-error-text: #cf1322;
  --admin-label-color: #555;
  --admin-placeholder-color: #b0b7bf;
  --admin-footer-text: #aaa;
  --admin-divider: #eee;
  --admin-shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
  --admin-transition: 200ms ease;
}

/* ---- Layout general de la página ------------------------- */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--admin-bg);
  padding: 1.5rem;
  position: relative;
  overflow: hidden;
  font-family: 'DM Sans', sans-serif;
}

/* Textura sutil de fondo — patrón de puntos muy discreto */
.login-bg {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(169, 41, 21, 0.06) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
}

/* Resplandor suave de acento en esquina superior izquierda */
.login-page::before {
  content: '';
  position: absolute;
  top: -200px;
  left: -200px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(169, 41, 21, 0.12) 0%, transparent 70%);
  pointer-events: none;
}

/* ---- Card principal -------------------------------------- */
.login-card {
  position: relative;
  width: 100%;
  max-width: var(--admin-card-width);
  background: var(--admin-card-bg);
  border-radius: var(--admin-card-radius);
  padding: 2.75rem 2.5rem 2rem;
  box-shadow: var(--admin-shadow);

  /* Entrada con animación */
  animation: cardEntrance 0.5s cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes cardEntrance {
  from {
    opacity: 0;
    transform: translateY(20px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* Línea de acento superior en la card */
.login-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 2rem;
  right: 2rem;
  height: 3px;
  background: var(--color-primary, #A92915);
  border-radius: 0 0 3px 3px;
}

/* ---- Cabecera: logo y nombre ----------------------------- */
.login-header {
  text-align: center;
  margin-bottom: 1.5rem;
}

/* Monograma "BT" — logo placeholder si no hay imagen */
.login-logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  background: var(--color-primary, #A92915);
  color: #fff;
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  border-radius: 12px;
  margin-bottom: 1rem;
}

.login-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.75rem;
  font-weight: 500;
  color: var(--color-dark, #313131);
  letter-spacing: 0.01em;
  line-height: 1.2;
}

.login-subtitle {
  margin-top: 0.25rem;
  font-size: 0.8125rem;
  font-weight: 400;
  color: var(--admin-label-color);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* ---- Divider --------------------------------------------- */
.login-divider {
  height: 1px;
  background: var(--admin-divider);
  margin-bottom: 1.75rem;
}

/* ---- Formulario ------------------------------------------ */
.login-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-label {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--admin-label-color);
  letter-spacing: 0.02em;
}

/* Wrapper para input con botón de mostrar/ocultar */
.input-wrapper {
  position: relative;
}

.form-input {
  width: 100%;
  padding: 0.65rem 0.875rem;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.9375rem;
  color: var(--color-dark, #313131);
  background: #fafafa;
  border: 1.5px solid var(--admin-input-border);
  border-radius: 8px;
  outline: none;
  transition: border-color var(--admin-transition), box-shadow var(--admin-transition), background var(--admin-transition);
}

/* Input de password: espacio para el ícono del toggle */
#password.form-input {
  padding-right: 2.75rem;
}

.form-input::placeholder {
  color: var(--admin-placeholder-color);
}

.form-input:hover {
  border-color: #c4cacf;
}

.form-input:focus {
  border-color: var(--admin-input-focus);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(169, 41, 21, 0.1);
}

/* Estado de error en el input */
.form-input.is-error {
  border-color: var(--admin-error-text);
  box-shadow: 0 0 0 3px rgba(207, 19, 34, 0.1);
}

/* ---- Toggle de contraseña -------------------------------- */
.toggle-password {
  position: absolute;
  right: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  cursor: pointer;
  color: var(--admin-placeholder-color);
  display: flex;
  align-items: center;
  padding: 0.25rem;
  border-radius: 4px;
  transition: color var(--admin-transition);
}

.toggle-password:hover {
  color: var(--color-dark, #313131);
}

/* ---- Mensaje de error ------------------------------------ */
.form-error {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  padding: 0.65rem 0.875rem;
  background: var(--admin-error-bg);
  border: 1px solid var(--admin-error-border);
  border-radius: 8px;
  font-size: 0.875rem;
  color: var(--admin-error-text);
  animation: shakeError 0.35s ease both;
}

.form-error[hidden] {
  display: none;
}

.form-error svg {
  flex-shrink: 0;
  margin-top: 0.1rem;
}

@keyframes shakeError {
  0%, 100% { transform: translateX(0); }
  20%       { transform: translateX(-6px); }
  40%       { transform: translateX(6px); }
  60%       { transform: translateX(-4px); }
  80%       { transform: translateX(4px); }
}

/* ---- Botón de login -------------------------------------- */
.btn-login {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  padding: 0.75rem 1.5rem;
  margin-top: 0.25rem;
  background: var(--color-primary, #A92915);
  color: #fff;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.9375rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: background var(--admin-transition), transform var(--admin-transition), box-shadow var(--admin-transition);
}

.btn-login:hover:not(:disabled) {
  background: #8f2011;
  box-shadow: 0 4px 20px rgba(169, 41, 21, 0.3);
}

.btn-login:active:not(:disabled) {
  transform: scale(0.99);
}

/* Estado de carga */
.btn-login:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

.btn-login.is-loading .btn-text {
  opacity: 0.7;
}

/* Spinner: animación de rotación */
.btn-spinner {
  display: none;
  animation: spinRotate 0.75s linear infinite;
}

.btn-login.is-loading .btn-spinner {
  display: block;
}

@keyframes spinRotate {
  to { transform: rotate(360deg); }
}

/* ---- Footer de la card ----------------------------------- */
.login-card-footer {
  margin-top: 1.75rem;
  padding-top: 1rem;
  border-top: 1px solid var(--admin-divider);
  text-align: center;
}

.login-card-footer p {
  font-size: 0.75rem;
  color: var(--admin-footer-text);
  letter-spacing: 0.03em;
}

/* ---- Responsive ------------------------------------------ */
@media (max-width: 480px) {
  .login-card {
    padding: 2rem 1.5rem 1.75rem;
    border-radius: 12px;
  }

  .login-title {
    font-size: 1.5rem;
  }
}