.auth-modal-overlay {
  position: fixed;
  inset: 0;
  display: none;
  z-index: 2000;
}

.auth-modal-overlay.open {
  display: block;
}

.auth-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(13, 24, 45, 0.55);
}

.auth-modal-dialog {
  position: relative;
  z-index: 1;
  width: min(900px, 94vw);
  max-height: 92vh;
  margin: 4vh auto;
  overflow: hidden;
  border-radius: 16px;
  box-shadow: 0 25px 70px rgba(8, 19, 38, 0.25);
  background: #ffffff;
}

.auth-modal-close {
  position: absolute;
  top: 14px;
  right: 16px;
  width: 38px;
  height: 38px;
  border: none;
  border-radius: 999px;
  background: rgba(8, 19, 38, 0.65);
  color: #fff;
  font-size: 26px;
  line-height: 1;
  cursor: pointer;
  z-index: 6;
}

.auth-modal-container {
  width: 100%;
  max-width: none;
  margin: 0;
  padding: 28px 26px 24px;
  min-height: 540px;
  background: #ffffff;
  box-sizing: border-box;
  position: relative;
  overflow: hidden;
}

.auth-modal-container * {
  box-sizing: border-box;
}

.auth-modal-container .form-box {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48%;
  max-height: calc(92vh - 80px);
  overflow-y: auto;
  background: #fff;
  padding: 30px 32px;
  border-radius: 16px;
  box-shadow: 0 18px 46px rgba(15,48,87,0.16);
  border: 1px solid rgba(15,48,87,0.08);
  transition: opacity 0.35s ease, visibility 0.35s ease, transform 0.5s ease;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  z-index: 2;
  scrollbar-gutter: stable;
}

.auth-modal-container .form-box.login { left: 4%; }
.auth-modal-container .form-box.register { right: 4%; }

.auth-modal-container:not(.active) .form-box.login,
.auth-modal-container.active .form-box.register {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.auth-modal-container.active .form-box.login {
  transform: translate(-120%, -50%);
}

.auth-modal-container:not(.active) .form-box.register {
  transform: translate(120%, -50%);
}

/* Prevent overlay during switch */
.auth-modal-container.active .form-box.login,
.auth-modal-container:not(.active) .form-box.register {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.auth-modal-container .toggle-box {
  position: absolute;
  top: 0;
  right: 0;
  width: 40%;
  height: 100%;
  background: linear-gradient(135deg, #0f3057, #0b4b8a 60%, #168aa6);
  color: #fff;
  border-radius: 0 16px 16px 0;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.55s ease;
  z-index: 1;
}

.auth-modal-container .toggle-panel {
  position: absolute;
  inset: 0;
  padding: 38px 30px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  justify-content: center;
  opacity: 0;
  transform: translateX(10%);
  transition: all 0.45s ease;
  pointer-events: none;
}

.auth-modal-container .toggle-panel h1 {
  margin: 0;
  font-size: 24px;
}

.auth-modal-container .toggle-panel p {
  margin: 0 0 12px;
  font-size: 13px;
  color: rgba(255,255,255,0.82);
}

.auth-modal-container .toggle-panel .btn {
  width: auto;
  min-width: 150px;
  margin-top: 8px;
  background: #ffffff;
  color: #0f3057;
  border-radius: 999px;
  padding: 10px 18px;
}

.auth-modal-container:not(.active) .toggle-panel.toggle-left {
  opacity: 1;
  transform: translateX(0);
  pointer-events: auto;
}

.auth-modal-container.active .toggle-panel.toggle-right {
  opacity: 1;
  transform: translateX(0);
  pointer-events: auto;
}

.auth-modal-container.active .toggle-box {
  transform: translateX(-150%);
  border-radius: 16px 0 0 16px;
}

.auth-modal-container .form-box h1 {
  margin: 0 0 6px;
  color: #0f3057;
  font-size: 22px;
}

.auth-modal-container .form-box p {
  font-size: 12.5px;
  color: #64748b;
  margin-bottom: 14px;
}

.auth-modal-container .form-box.register form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 10px;
}

.auth-modal-container .full-width {
  grid-column: span 2;
}

.auth-modal-container .input-shell { position: relative; }
.auth-modal-container .input-box { position: relative; }

.auth-modal-container .input-box input,
.auth-modal-container .input-box select,
.auth-modal-container .input-box textarea {
  width: 100%;
  padding: 9px 12px;
  border-radius: 8px;
  border: 1px solid #e3e8ef;
  background: #f9fbfd;
  font-size: 14px;
}

.auth-modal-container .input-box textarea {
  height: 42px;
  min-height: 42px;
  resize: vertical;
}

.auth-modal-container .input-box.has-icon input { padding-left: 40px; }
.auth-modal-container .password-field input { padding-right: 46px; }

.auth-modal-container .field-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: #8a9ab5;
  font-size: 15px;
}

.auth-modal-container .toggle-password {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  border: none;
  background: transparent;
  color: #6b7a99;
  cursor: pointer;
  padding: 4px 6px;
  font-size: 16px;
}

.auth-modal-container .btn {
  width: 100%;
  padding: 12px;
  background: linear-gradient(135deg, #1a73e8, #0f5bd3);
  color: #fff;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  font-weight: 600;
  margin-top: 8px;
  grid-column: span 2;
}

.auth-modal-container .switch-action {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid rgba(15,48,87,0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 13px;
  color: #5a6786;
}

.auth-modal-container .switch-action.full-width {
  grid-column: span 2;
}

.auth-modal-container .switch-link {
  padding: 8px 18px;
  border-radius: 999px;
  border: 1px solid #1a73e8;
  background: transparent;
  color: #1a73e8;
  font-weight: 600;
  cursor: pointer;
}

.auth-modal-container .form-errors {
  margin-bottom: 10px;
}

.auth-modal-container .error,
.auth-modal-container .field-error {
  color: #b3261e;
  font-size: 12px;
}

body.auth-modal-open {
  overflow: hidden;
}

@media (max-width: 920px) {
  .auth-modal-dialog {
    width: min(560px, 96vw);
    margin: 2vh auto;
    max-height: 96vh;
    border-radius: 14px;
  }

  .auth-modal-container {
    min-height: auto;
    padding: 12px;
    overflow-y: auto;
    max-height: 96vh;
  }

  .auth-modal-container .form-box {
    position: relative;
    width: 100%;
    transform: none;
    margin-bottom: 12px;
    opacity: 1 !important;
    visibility: visible !important;
    pointer-events: auto !important;
    left: 0 !important;
    right: 0 !important;
    max-height: none;
    padding: 18px 14px;
  }

  .auth-modal-container .form-box.register form {
    grid-template-columns: 1fr;
  }

  .auth-modal-container .input-box input,
  .auth-modal-container .input-box select,
  .auth-modal-container .input-box textarea,
  .auth-modal-container .btn,
  .auth-modal-container .switch-link {
    font-size: 16px;
  }

  .auth-modal-container .switch-action.full-width,
  .auth-modal-container .btn {
    grid-column: span 1;
  }

  .auth-modal-container .switch-action {
    flex-direction: column;
    align-items: stretch;
    text-align: center;
  }

  .auth-modal-container .switch-link {
    width: 100%;
  }

  .auth-modal-container .toggle-box {
    display: none;
  }

  /* Mobile: show only the active form */
  .auth-modal-container.active .form-box.login { display: none; }
  .auth-modal-container:not(.active) .form-box.register { display: none; }
}

@media (max-width: 560px) {
  .auth-modal-close {
    top: 10px;
    right: 10px;
    width: 34px;
    height: 34px;
  }

  .auth-modal-container .form-box h1 {
    font-size: 20px;
  }
}