.flash,
.global-form-error {
  position: fixed;
  top: 24px;
  right: 24px;
  z-index: 2000;
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr) 30px;
  align-items: center;
  gap: 12px;
  width: min(calc(100% - 32px), 430px);
  min-height: 82px;
  padding: 16px 14px 16px 16px;
  overflow: hidden;
  border: 1px solid rgba(15, 74, 55, 0.1);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.97);
  box-shadow: 0 20px 55px rgba(19, 54, 43, 0.18), 0 4px 14px rgba(19, 54, 43, 0.08);
  backdrop-filter: blur(16px);
  animation: toast-enter 0.48s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.toast-icon {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 13px;
  font-size: 1.15rem;
}

.toast-content { display: grid; gap: 3px; min-width: 0; }
.toast-content strong { color: var(--ink); font-size: 0.92rem; line-height: 1.25; }
.toast-content span { color: var(--text-muted); font-size: 0.82rem; line-height: 1.45; }

.toast-close {
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  align-self: start;
  border-radius: 9px;
  color: #77847f;
  font-size: 0.72rem;
  transition: var(--transition-fast);
}

.toast-close:hover { color: var(--ink); background: #f0f4f2; }

.toast-progress {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 3px;
  background: currentColor;
  transform-origin: left;
  animation: toast-progress 5.2s linear both;
}

.flash-success { color: var(--primary); }
.flash-success .toast-icon { color: #087551; background: #e7f7f0; }
.flash-error,
.global-form-error,
.form-error { color: #9b1c1c; background: #fff0f0; border: 1px solid #f4b4b4; }
.flash-error,
.global-form-error { color: #c14444; border-color: rgba(193, 68, 68, 0.16); }
.flash-error .toast-icon,
.global-form-error .toast-icon { color: #b42318; background: #fff0ef; }
.global-form-error .toast-progress { animation-duration: 7.2s; }
.flash.is-paused .toast-progress,
.global-form-error.is-paused .toast-progress { animation-play-state: paused; }
.flash.is-hiding,
.global-form-error.is-hiding { animation: toast-exit 0.28s ease both; }

@keyframes toast-enter {
  from { opacity: 0; transform: translate3d(24px, -12px, 0) scale(0.96); }
  to { opacity: 1; transform: translate3d(0, 0, 0) scale(1); }
}

@keyframes toast-exit {
  to { opacity: 0; transform: translate3d(24px, -8px, 0) scale(0.97); }
}

@keyframes toast-progress {
  from { transform: scaleX(1); }
  to { transform: scaleX(0); }
}
.header-cta { display: none; padding: 10px 22px; font-size: 0.85rem; }
.mobile-hotline { margin-top: 10px; font-size: 0.8rem; }
#hoi-dap { background-color: var(--light-gray); }
.contact-title { margin-bottom: 20px; }
.contact-fields { gap: 16px; margin-bottom: 20px; }
.form-submit,
.auth-submit { width: 100%; padding: 14px; }

.auth-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: 50px 20px;
  background:
    radial-gradient(circle at 12% 15%, var(--primary-light) 0, transparent 34%),
    radial-gradient(circle at 88% 82%, var(--accent-light) 0, transparent 30%),
    var(--rice);
}

.auth-page::before,
.auth-page::after {
  content: '';
  position: absolute;
  z-index: -1;
  width: 320px;
  height: 320px;
  border-radius: 42% 58% 70% 30% / 45% 45% 55% 55%;
  opacity: 0.55;
}

.auth-page::before {
  top: -130px;
  left: -100px;
  background: var(--primary-tint);
}

.auth-page::after {
  right: -130px;
  bottom: -150px;
  background: var(--accent-tint);
}

.auth-card {
  width: min(100%, 500px);
  position: relative;
  z-index: 1;
  overflow: hidden;
  padding: clamp(28px, 5vw, 48px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.96);
  box-shadow: var(--shadow-hard);
}

.auth-card::before {
  content: '';
  position: absolute;
  inset: 0 0 auto;
  height: 5px;
  background: linear-gradient(90deg, var(--primary), var(--secondary), var(--accent));
}

.auth-watermark {
  position: absolute;
  z-index: 0;
  top: 44%;
  left: 50%;
  width: auto;
  height: clamp(360px, 60vh, 720px);
  max-width: none;
  opacity: 0.055;
  pointer-events: none;
  user-select: none;
  transform: translate(calc(-124% + 150px), calc(-104% + 200px));
  transform-origin: center;
}

.auth-logo {
  display: flex;
  width: 100%;
  justify-content: center;
  margin-bottom: 28px;
}
.auth-logo img { width: 150px; height: auto; }
.auth-card h1 { margin: 8px 0 10px; font-size: clamp(1.8rem, 5vw, 2.5rem); }
.auth-form { margin-top: 28px; }

.form-error {
  margin-top: 20px;
  padding: 12px;
  border-radius: 10px;
}

.field-error { display: block; margin-top: 6px; color: #b42318; }
.form-hint { display: block; margin-top: 6px; color: var(--text-muted); }
.auth-switch,
.auth-back { display: block; margin-top: 20px; text-align: center; }
.auth-switch a,
.auth-back { color: var(--primary); font-weight: 700; }
.auth-switch a:hover,
.auth-back:hover { color: var(--primary-hover); }
.dashboard-page { padding-top: 130px; }
.dashboard-card { width: min(100%, 680px); }
.account-details { margin: 28px 0; }

.account-details div {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 15px;
  padding: 14px 0;
  border-bottom: 1px solid #e6ece9;
}

.account-details dt { color: var(--text-muted); }
.account-details dd { margin: 0; font-weight: 700; word-break: break-word; }
.dashboard-actions { display: flex; align-items: center; gap: 12px; }

@media (min-width: 576px) {
  .header-cta { display: inline-flex; }
}

@media (max-width: 520px) {
  .flash,
  .global-form-error {
    top: 16px;
    right: 16px;
  }

  .auth-watermark {
    height: 52vh;
    min-height: 320px;
    transform: translate(calc(-118% + 150px), calc(-110% + 200px));
  }

  .account-details div { grid-template-columns: 1fr; gap: 4px; }
  .dashboard-actions { align-items: stretch; flex-direction: column; }
  .dashboard-actions .btn { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  .flash,
  .global-form-error,
  .flash.is-hiding,
  .global-form-error.is-hiding {
    animation: none;
  }

  .toast-progress { display: none; }
}