/* =========================================
   BCIE ML Lab — Sistema de Login
   Interfaz conforme ISO 27001/27002
   ========================================= */

@import url("https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap");

/* === Tokens de diseño === */
:root {
  /* Colores institucionales BCIE */
  --bcie-navy: #0a1628;
  --bcie-blue: #105682;
  --bcie-teal: #1a7aaf;
  --bcie-light-blue: #3498db;
  --bcie-gold: #d4a843;
  --bcie-gold-light: #e8c96a;

  /* Paleta neutra */
  --bg-primary: #f4f7fa;
  --bg-card: #ffffff;
  --bg-input: #f0f4f8;
  --bg-input-focus: #ffffff;
  --text-primary: #1a2332;
  --text-secondary: #5a6b7f;
  --text-muted: #8e9bad;
  --border-color: #d8dee6;
  --border-focus: var(--bcie-teal);

  /* Colores semánticos */
  --success: #27ae60;
  --warning: #f2994a;
  --danger: #eb5757;
  --info: var(--bcie-teal);

  /* Efectos */
  --shadow-sm: 0 1px 3px rgba(10, 22, 40, 0.08);
  --shadow-md: 0 4px 16px rgba(10, 22, 40, 0.12);
  --shadow-lg: 0 8px 32px rgba(10, 22, 40, 0.16);
  --shadow-xl: 0 16px 48px rgba(10, 22, 40, 0.2);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;

  /* Transiciones */
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* === Reset y base === */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html,
body {
  height: 100%;
  font-family:
    "Inter",
    -apple-system,
    BlinkMacSystemFont,
    sans-serif;
  font-size: 15px;
  color: var(--text-primary);
  background: var(--bg-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* === Disposición principal === */
.login-container {
  display: flex;
  min-height: 100vh;
  overflow: hidden;
}

/* === Panel izquierdo — Marca === */
.brand-panel {
  flex: 0 0 42%;
  background: linear-gradient(
    145deg,
    var(--bcie-navy) 0%,
    #0d2a4a 40%,
    var(--bcie-blue) 100%
  );
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 3rem;
  position: relative;
  overflow: hidden;
}

.brand-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url("bg-pattern.png") center/cover no-repeat;
  opacity: 0.08;
  z-index: 0;
}

.brand-panel::after {
  content: "";
  position: absolute;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(
    circle,
    rgba(26, 122, 175, 0.15) 0%,
    transparent 70%
  );
  top: 20%;
  left: -10%;
  z-index: 0;
}

.brand-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 380px;
}

.brand-logo {
  margin-bottom: 1rem;
}

.brand-logo .logo-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--bcie-teal), var(--bcie-gold));
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.2rem;
  box-shadow: 0 8px 32px rgba(26, 122, 175, 0.35);
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-8px);
  }
}

.logo-icon svg {
  width: 44px;
  height: 44px;
  fill: white;
}

.brand-title {
  font-size: 1.6rem;
  font-weight: 800;
  color: #ffffff;
  letter-spacing: -0.3px;
  margin-bottom: 0.2rem;
}

.brand-subtitle {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.55);
  font-weight: 400;
  margin-bottom: 2.5rem;
  letter-spacing: 1px;
  text-transform: uppercase;
}

/* Lista de características */
.brand-features {
  list-style: none;
  text-align: left;
  width: 100%;
}

.brand-features li {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.2rem;
  margin-bottom: 0.5rem;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
  transition: var(--transition-normal);
  backdrop-filter: blur(4px);
}

.brand-features li:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.12);
  transform: translateX(4px);
}

.feature-icon {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.feature-icon svg {
  width: 22px;
  height: 22px;
  stroke: currentColor;
}

.feature-icon.security {
  background: rgba(39, 174, 96, 0.15);
  color: #27ae60;
}
.feature-icon.speed {
  background: rgba(52, 152, 219, 0.15);
  color: #3498db;
}
.feature-icon.compliance {
  background: rgba(212, 168, 67, 0.15);
  color: var(--bcie-gold);
}
.feature-icon.audit {
  background: rgba(155, 89, 182, 0.15);
  color: #9b59b6;
}

.feature-text h4 {
  color: #ffffff;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 2px;
}

.feature-text p {
  color: rgba(255, 255, 255, 0.45);
  font-size: 0.78rem;
  font-weight: 400;
}

/* Insignia ISO */
.iso-badge {
  margin-top: 2.5rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.6rem 1.2rem;
  border-radius: 50px;
  background: rgba(39, 174, 96, 0.1);
  border: 1px solid rgba(39, 174, 96, 0.2);
}

.iso-badge .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%,
  100% {
    opacity: 1;
    box-shadow: 0 0 0 0 rgba(39, 174, 96, 0.4);
  }
  50% {
    opacity: 0.8;
    box-shadow: 0 0 0 6px rgba(39, 174, 96, 0);
  }
}

.iso-badge span {
  font-size: 0.72rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.7);
  letter-spacing: 0.5px;
}

/* === Panel derecho — Formulario === */
.form-panel {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 3rem 4rem;
  background: var(--bg-primary);
  position: relative;
}

.form-wrapper {
  width: 100%;
  max-width: 420px;
}

/* Aviso de sesión expirada */
.session-notice {
  display: none;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1rem;
  border-radius: var(--radius-sm);
  background: rgba(242, 153, 74, 0.08);
  border: 1px solid rgba(242, 153, 74, 0.2);
  margin-bottom: 1.5rem;
  font-size: 0.8rem;
  color: var(--warning);
}

.session-notice.visible {
  display: flex;
}

.form-header {
  margin-bottom: 2rem;
}

.form-header h1 {
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.3rem;
  letter-spacing: -0.5px;
}

.form-header p {
  font-size: 0.88rem;
  color: var(--text-secondary);
}

/* === Elementos de formulario === */
.form-group {
  margin-bottom: 1.2rem;
  position: relative;
}

.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.4rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.input-wrapper .input-icon {
  position: absolute;
  left: 14px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  transition: var(--transition-fast);
  z-index: 2;
}

.input-wrapper .input-icon svg {
  width: 18px;
  height: 18px;
}

.input-wrapper input {
  width: 100%;
  padding: 0.85rem 1rem 0.85rem 2.8rem;
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-sm);
  background: var(--bg-input);
  font-family: "Inter", sans-serif;
  font-size: 0.92rem;
  color: var(--text-primary);
  transition: var(--transition-normal);
  outline: none;
}

.input-wrapper input:focus {
  border-color: var(--border-focus);
  background: var(--bg-input-focus);
  box-shadow: 0 0 0 3px rgba(26, 122, 175, 0.1);
}

.input-wrapper input:focus ~ .input-icon,
.input-wrapper input:focus + .input-icon {
  color: var(--bcie-teal);
}

.input-wrapper input::placeholder {
  color: var(--text-muted);
  font-weight: 400;
}

/* Botón visibilidad contraseña */
.toggle-password {
  position: absolute;
  right: 12px;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4px;
  transition: var(--transition-fast);
  z-index: 2;
}

.toggle-password svg {
  width: 18px;
  height: 18px;
}

.toggle-password:hover {
  color: var(--bcie-teal);
}

/* Medidor de fortaleza de contraseña */
.password-strength {
  margin-top: 0.5rem;
  display: none;
}

.password-strength.visible {
  display: block;
}

.strength-bar {
  height: 4px;
  border-radius: 2px;
  background: var(--border-color);
  overflow: hidden;
  margin-bottom: 0.3rem;
}

.strength-bar .fill {
  height: 100%;
  border-radius: 2px;
  width: 0%;
  transition:
    width 300ms ease,
    background 300ms ease;
}

.strength-bar .fill.weak {
  width: 25%;
  background: var(--danger);
}
.strength-bar .fill.fair {
  width: 50%;
  background: var(--warning);
}
.strength-bar .fill.good {
  width: 75%;
  background: var(--bcie-light-blue);
}
.strength-bar .fill.strong {
  width: 100%;
  background: var(--success);
}

.strength-text {
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--text-muted);
}

/* Recordarme y recuperar */
.form-options {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

.checkbox-wrapper {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
}

.checkbox-wrapper input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--bcie-teal);
  cursor: pointer;
}

.checkbox-wrapper span {
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.forgot-link {
  font-size: 0.82rem;
  color: var(--bcie-teal);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition-fast);
}

.forgot-link:hover {
  color: var(--bcie-blue);
  text-decoration: underline;
}

/* Botón de envío */
.btn-login {
  width: 100%;
  padding: 0.9rem;
  border: none;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--bcie-navy), var(--bcie-blue));
  color: #ffffff;
  font-family: "Inter", sans-serif;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
  letter-spacing: 0.3px;
}

.btn-login:hover:not(:disabled) {
  background: linear-gradient(135deg, var(--bcie-blue), var(--bcie-teal));
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.btn-login:active:not(:disabled) {
  transform: translateY(0);
}

.btn-login:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn-login .spinner {
  display: none;
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  margin: 0 auto;
}

.btn-login.loading .btn-text {
  display: none;
}
.btn-login.loading .spinner {
  display: block;
}

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

/* Mensajes de error/alerta */
.alert {
  display: none;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  font-weight: 500;
  margin-bottom: 1rem;
  align-items: center;
  gap: 0.5rem;
  animation: slideDown 300ms ease;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.alert.visible {
  display: flex;
}

.alert.error {
  background: rgba(235, 87, 87, 0.08);
  border: 1px solid rgba(235, 87, 87, 0.2);
  color: var(--danger);
}

.alert.warning {
  background: rgba(242, 153, 74, 0.08);
  border: 1px solid rgba(242, 153, 74, 0.2);
  color: var(--warning);
}

.alert.success {
  background: rgba(39, 174, 96, 0.08);
  border: 1px solid rgba(39, 174, 96, 0.2);
  color: var(--success);
}

.alert.info {
  background: rgba(26, 122, 175, 0.08);
  border: 1px solid rgba(26, 122, 175, 0.2);
  color: var(--bcie-teal);
}

/* Temporizador de bloqueo */
.lockout-timer {
  display: none;
  text-align: center;
  padding: 1.5rem 1rem;
  margin-bottom: 1rem;
}

.lockout-timer.visible {
  display: block;
}

.lockout-timer .lock-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.5rem;
  color: var(--danger);
}

.lockout-timer .lock-icon svg {
  width: 48px;
  height: 48px;
}

.lockout-timer h3 {
  font-size: 1rem;
  color: var(--danger);
  margin-bottom: 0.3rem;
}

.lockout-timer p {
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.lockout-timer .countdown {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--danger);
  margin-top: 0.5rem;
  font-variant-numeric: tabular-nums;
}

/* Pie de seguridad */
.security-footer {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-color);
}

.security-badges {
  display: flex;
  justify-content: center;
  gap: 1.2rem;
  flex-wrap: wrap;
}

.sec-badge {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.68rem;
  color: var(--text-muted);
  font-weight: 500;
  letter-spacing: 0.3px;
}

.sec-badge .icon {
  font-size: 0.85rem;
}

.sec-badge svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

/* Pie de página */
.login-footer {
  text-align: center;
  margin-top: 2rem;
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Panel de auditoría */
.audit-panel {
  position: fixed;
  bottom: 0;
  right: 0;
  width: 380px;
  max-height: 280px;
  background: var(--bcie-navy);
  border-top-left-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  z-index: 1000;
  transform: translateY(calc(100% - 40px));
  transition: transform 400ms cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
}

.audit-panel.expanded {
  transform: translateY(0);
}

.audit-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.6rem 1rem;
  background: rgba(255, 255, 255, 0.05);
  cursor: pointer;
  user-select: none;
}

.audit-header h4 {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.7);
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.audit-header .toggle-icon {
  color: rgba(255, 255, 255, 0.5);
  transition: var(--transition-fast);
  font-size: 0.9rem;
}

.audit-panel.expanded .toggle-icon {
  transform: rotate(180deg);
}

.audit-body {
  padding: 0.5rem 0.8rem;
  overflow-y: auto;
  max-height: 230px;
}

.audit-entry {
  padding: 0.35rem 0.5rem;
  border-radius: 4px;
  margin-bottom: 2px;
  font-family: "JetBrains Mono", "Fira Code", monospace;
  font-size: 0.65rem;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.6);
  animation: fadeIn 200ms ease;
}

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

.audit-entry.info {
  border-left: 2px solid var(--bcie-teal);
}
.audit-entry.warn {
  border-left: 2px solid var(--warning);
}
.audit-entry.error {
  border-left: 2px solid var(--danger);
}
.audit-entry.success {
  border-left: 2px solid var(--success);
}

.audit-entry .timestamp {
  color: rgba(255, 255, 255, 0.35);
}

/* === Dashboard (post-login) === */
.dashboard-container {
  display: none;
  min-height: 100vh;
  background: var(--bg-primary);
}

.dashboard-container.visible {
  display: block;
  animation: fadeIn 500ms ease;
}

.dash-nav {
  background: var(--bcie-navy);
  padding: 0.8rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.dash-nav .nav-brand {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  color: white;
  font-weight: 700;
  font-size: 1rem;
}

.dash-nav .nav-brand .mini-logo {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--bcie-teal), var(--bcie-gold));
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
}

.dash-nav .nav-brand .mini-logo svg {
  width: 20px;
  height: 20px;
  stroke: white;
}

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

.nav-user .user-info {
  text-align: right;
}

.nav-user .user-info .name {
  font-size: 0.85rem;
  font-weight: 600;
  color: white;
}

.nav-user .user-info .role {
  font-size: 0.7rem;
  color: rgba(255, 255, 255, 0.5);
}

.btn-logout {
  padding: 0.45rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: transparent;
  color: rgba(255, 255, 255, 0.8);
  font-family: "Inter", sans-serif;
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition-fast);
}

.btn-logout:hover {
  background: rgba(235, 87, 87, 0.15);
  border-color: var(--danger);
  color: #ff6b6b;
}

.dash-content {
  padding: 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.welcome-card {
  background: linear-gradient(135deg, var(--bcie-navy), var(--bcie-blue));
  border-radius: var(--radius-lg);
  padding: 2rem 2.5rem;
  color: white;
  margin-bottom: 2rem;
}

.welcome-card h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.3rem;
}

.welcome-card p {
  font-size: 0.9rem;
  opacity: 0.7;
}

.session-info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}

.session-card {
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  padding: 1rem 1.2rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.session-card .label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  opacity: 0.5;
  margin-bottom: 0.3rem;
}

.session-card .value {
  font-size: 0.9rem;
  font-weight: 600;
}

/* === Responsivo === */
@media (max-width: 900px) {
  .login-container {
    flex-direction: column;
  }

  .brand-panel {
    flex: none;
    padding: 2rem;
    min-height: auto;
  }

  .brand-features {
    display: none;
  }
  .iso-badge {
    display: none;
  }

  .form-panel {
    padding: 2rem 1.5rem;
  }

  .audit-panel {
    width: 100%;
    border-radius: 0;
  }
}