:root {
  --iz-login-navy: #143e69;
  --iz-login-navy-dark: #0b2540;
  --iz-login-blue: #1e5ea0;
  --iz-login-blue-light: #5e9ee0;
  --iz-login-gold: #ffcc00;
  --iz-login-gold-dark: #e6b800;
  --iz-login-surface: #ffffff;
  --iz-login-bg-soft: #f8fafc;
  --iz-login-border: rgba(20, 62, 105, 0.15);
  --iz-login-text: #0f172a;
  --iz-login-text-muted: #475569;
  --iz-login-danger: #dc2626;
  --iz-login-danger-bg: #fef2f2;
  --iz-login-danger-border: #fecaca;
  --iz-login-info-bg: #eff6ff;
  --iz-login-info-border: #bfdbfe;
  --iz-login-info-text: #1d4ed8;
  --iz-login-success: #16a34a;
  --iz-login-radius: 20px;
  --iz-login-shadow: 0 35px 80px -15px rgba(15, 35, 65, 0.38), 0 15px 35px -5px rgba(15, 35, 65, 0.2);
}

/* --------------------------------------------------------------------------
   Modal Backdrop & Container
   -------------------------------------------------------------------------- */

.iz-login-backdrop {
  position: fixed !important;
  inset: 0 !important;
  top: 0 !important;
  left: 0 !important;
  width: 100% !important;
  height: 100% !important;
  z-index: 99999 !important;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background-color: rgba(15, 35, 65, 0.72) !important;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s cubic-bezier(0.16, 1, 0.3, 1),
              visibility 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  box-sizing: border-box;
}

.iz-login-backdrop.iz-login-active,
.iz-login-backdrop[style*="display: block"],
.iz-login-backdrop[style*="display: flex"] {
  display: flex !important;
  opacity: 1 !important;
  visibility: visible !important;
  pointer-events: auto !important;
}

#myBtn, .logBtn, .modalbutton {
  cursor: pointer;
}

.iz-login-modal {
  position: relative;
  width: 100%;
  max-width: 520px;
  background: var(--iz-login-surface);
  border-radius: var(--iz-login-radius);
  border: 1px solid var(--iz-login-border);
  box-shadow: var(--iz-login-shadow);
  overflow: hidden;
  transform: scale(0.95) translateY(10px);
  opacity: 0;
  transition: transform 0.28s cubic-bezier(0.16, 1, 0.3, 1),
              opacity 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  box-sizing: border-box;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--iz-login-text);
  max-height: 92vh;
  overflow-y: auto;
}

.iz-login-backdrop.iz-login-active .iz-login-modal,
.iz-login-backdrop[style*="display: block"] .iz-login-modal,
.iz-login-backdrop[style*="display: flex"] .iz-login-modal {
  transform: scale(1) translateY(0) !important;
  opacity: 1 !important;
}

/* Top Accent Gradient Bar */
.iz-login-accent-bar {
  height: 6px;
  background: linear-gradient(90deg, var(--iz-login-navy) 0%, var(--iz-login-blue) 55%, var(--iz-login-gold) 100%);
  width: 100%;
}

/* --------------------------------------------------------------------------
   Modal Header & Close Button
   -------------------------------------------------------------------------- */

.iz-login-header {
  position: relative;
  padding: 30px 34px 18px;
  text-align: left;
}

.iz-login-close-btn {
  position: absolute;
  top: 22px;
  right: 22px;
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--iz-login-bg-soft);
  border: 1px solid var(--iz-login-border);
  border-radius: 50%;
  color: var(--iz-login-text-muted);
  cursor: pointer;
  font-size: 26px;
  transition: all 0.2s ease;
  line-height: 1;
  padding: 0;
}

.iz-login-close-btn:hover {
  background: #e2e8f0;
  color: var(--iz-login-text);
  transform: rotate(90deg);
}

.iz-login-title {
  margin: 0;
  font-size: 2rem;
  font-weight: 900;
  color: var(--iz-login-navy);
  line-height: 1.25;
  letter-spacing: -0.03em;
  padding-right: 48px;
}

.iz-login-subtitle {
  margin: 8px 0 0;
  font-size: 1.4rem;
  color: var(--iz-login-text-muted);
  line-height: 1.45;
}

/* --------------------------------------------------------------------------
   Dynamic Alert / Notice Banner
   -------------------------------------------------------------------------- */

.iz-login-alert {
  display: none;
  align-items: center;
  gap: 12px;
  margin: 0 34px 18px;
  padding: 12px 18px;
  border-radius: 12px;
  font-size: 1.25rem;
  font-weight: 600;
  line-height: 1.4;
  box-sizing: border-box;
}

.iz-login-alert.is-visible {
  display: flex;
}

.iz-login-alert.is-info {
  background-color: var(--iz-login-info-bg);
  border: 1px solid var(--iz-login-info-border);
  color: var(--iz-login-info-text);
}

.iz-login-alert.is-error {
  background-color: var(--iz-login-danger-bg);
  border: 1px solid var(--iz-login-danger-border);
  color: var(--iz-login-danger);
}

.iz-login-alert-icon {
  font-size: 1.25rem;
  flex-shrink: 0;
}

.iz-login-alert-msg {
  flex: 1;
}

/* --------------------------------------------------------------------------
   Segmented Navigation Tabs
   -------------------------------------------------------------------------- */

.iz-login-tabs {
  display: flex;
  margin: 0 34px 22px;
  padding: 4px;
  background: var(--iz-login-bg-soft);
  border: 1.5px solid var(--iz-login-border);
  border-radius: 14px;
  gap: 4px;
}

.iz-login-tab-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 16px;
  background: transparent;
  border: none;
  border-radius: 10px;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--iz-login-text-muted);
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  user-select: none;
}

.iz-login-tab-btn i {
  font-size: 1rem;
}

.iz-login-tab-btn:hover:not(.is-active) {
  color: var(--iz-login-navy);
  background: rgba(20, 62, 105, 0.05);
}

.iz-login-tab-btn.is-active {
  background: #ffffff;
  color: var(--iz-login-navy);
  font-weight: 800;
  box-shadow: 0 4px 12px rgba(20, 62, 105, 0.12);
}

/* --------------------------------------------------------------------------
   Tab Panels & Form Body
   -------------------------------------------------------------------------- */

.iz-login-tab-panel {
  display: none;
  padding: 0 34px 24px;
  text-align: left;
}

.iz-login-tab-panel.is-active {
  display: block;
}

.iz-login-form-group {
  margin-bottom: 20px;
}

.iz-login-label {
  display: block;
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--iz-login-navy);
  margin-bottom: 8px;
  line-height: 1.35;
}

.iz-login-label .required-star {
  color: var(--iz-login-danger);
  margin-left: 3px;
}

.iz-login-input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  width: 100%;
}

.iz-login-input-icon {
  position: absolute;
  left: 18px;
  color: var(--iz-login-navy);
  opacity: 0.65;
  font-size: 1.4rem;
  pointer-events: none;
  transition: opacity 0.2s ease, color 0.2s ease;
}

.iz-login-input {
  width: 100%;
  padding: 12px 18px 12px 48px;
  font-size: 1.4rem;
  color: var(--iz-login-text);
  background: var(--iz-login-bg-soft);
  border: 1.5px solid var(--iz-login-border);
  border-radius: 14px;
  box-sizing: border-box;
  transition: all 0.2s ease;
  outline: none;
  line-height: 1.4;
}

.iz-login-input.no-icon {
  padding-left: 18px;
}

.iz-login-input::placeholder {
  color: #94a3b8;
  font-size: 1.08rem;
}

.iz-login-input:focus {
  background: #ffffff;
  border-color: var(--iz-login-blue);
  box-shadow: 0 0 0 4px rgba(30, 94, 160, 0.16);
}

.iz-login-input:focus ~ .iz-login-input-icon {
  opacity: 1;
  color: var(--iz-login-blue);
}

/* Password Reveal Toggle */
.iz-login-password-toggle {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  background: transparent;
  border: none;
  color: var(--iz-login-text-muted);
  cursor: pointer;
  padding: 8px;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  transition: all 0.15s ease;
}

.iz-login-password-toggle:hover {
  color: var(--iz-login-navy);
  background: rgba(20, 62, 105, 0.08);
}

/* --------------------------------------------------------------------------
   Submit Buttons
   -------------------------------------------------------------------------- */

.iz-login-btn-submit {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 16px 30px;
  font-size: 1.25rem;
  font-weight: 800;
  color: #ffffff;
  background: linear-gradient(135deg, var(--iz-login-navy) 0%, var(--iz-login-blue) 100%);
  border: none;
  border-radius: 40px;
  cursor: pointer;
  box-shadow: 0 10px 25px rgba(20, 62, 105, 0.25);
  transition: all 0.2s ease;
  margin-top: 10px;
}

.iz-login-btn-submit:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 15px 30px rgba(20, 62, 105, 0.33);
  filter: brightness(1.05);
}

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

.iz-login-btn-submit:disabled {
  opacity: 0.75;
  cursor: not-allowed;
  transform: none;
}

.iz-login-spinner {
  display: inline-block;
  width: 18px;
  height: 18px;
  border: 3px solid rgba(255, 255, 255, 0.35);
  border-radius: 50%;
  border-top-color: #ffffff;
  animation: iz-login-spin 0.8s linear infinite;
}

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

/* --------------------------------------------------------------------------
   Footer Navigation & Help Links
   -------------------------------------------------------------------------- */

.iz-login-footer {
  padding: 0 34px 30px;
  border-top: 1px solid rgba(20, 62, 105, 0.08);
  padding-top: 20px;
  text-align: center;
}

.iz-login-footer-row {
  font-size: 1.3rem;
  color: var(--iz-login-text-muted);
  line-height: 1.6;
}

.iz-login-footer-row + .iz-login-footer-row {
  margin-top: 6px;
}

.iz-login-link {
  color: var(--iz-login-blue);
  font-weight: 700;
  text-decoration: none;
  transition: color 0.15s ease;
}

.iz-login-link:hover {
  color: var(--iz-login-navy);
  text-decoration: underline;
}

/* --------------------------------------------------------------------------
   Shake Animation on Auth Failure
   -------------------------------------------------------------------------- */

.iz-login-modal.iz-login-shake {
  animation: iz-login-shake-anim 0.45s ease-in-out;
}

@keyframes iz-login-shake-anim {
  0%, 100% { transform: translateX(0); }
  20%, 60% { transform: translateX(-8px); }
  40%, 80% { transform: translateX(8px); }
}

/* --------------------------------------------------------------------------
   Responsive Breakpoints
   -------------------------------------------------------------------------- */

@media (max-width: 580px) {
  .iz-login-modal {
    max-width: 100%;
    border-radius: 16px;
  }
  .iz-login-header {
    padding: 24px 22px 16px;
  }
  .iz-login-title {
    font-size: 1.65rem;
  }
  .iz-login-tabs {
    margin: 0 22px 18px;
  }
  .iz-login-tab-panel {
    padding: 0 22px 20px;
  }
  .iz-login-alert {
    margin: 0 22px 16px;
  }
  .iz-login-footer {
    padding: 16px 22px 24px;
  }
}