:root {
  --color-primary: #f97316;
  --color-primary-deep: #ea580c;
  --color-primary-soft: #fb923c;
  --color-on-primary: #ffffff;
  --color-ink-button: #000000;
  --color-on-ink-button: #ffffff;
  --color-fb-blue: #f97316;
  --color-meta-link: #c2410c;
  --color-success: #31a24c;
  --color-critical: #e41e3f;
  --color-critical-strong: #f0284a;
  --color-canvas: #ffffff;
  --color-surface-soft: #fff7ed;
  --color-ink-deep: #431407;
  --color-ink: #431407;
  --color-charcoal: #57534e;
  --color-slate: #78716c;
  --color-steel: #9a3412;
  --color-stone: #a8a29e;
  --color-hairline: #fed7aa;
  --color-hairline-soft: #ffedd5;
  --color-disabled: #fdba74;

  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --radius-xl: 16px;
  --radius-xxl: 24px;
  --radius-xxxl: 32px;
  --radius-full: 100px;

  --space-xs: 8px;
  --space-sm: 10px;
  --space-md: 12px;
  --space-base: 16px;
  --space-lg: 20px;
  --space-xl: 24px;
  --space-xxl: 32px;
  --space-section: 64px;

  --page-padding: clamp(16px, 4vw, 32px);
  --content-max: 1120px;
  --landing-max: 1200px;
  --font: "Plus Jakarta Sans", "Noto Sans Thai", ui-sans-serif, system-ui, sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { overflow-x: hidden; }

body {
  margin: 0;
  background: var(--color-canvas);
  color: var(--color-ink);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: -0.16px;
  -webkit-font-smoothing: antialiased;
  min-height: 100dvh;
}

a { color: var(--color-meta-link); text-decoration: none; font-weight: 700; }
a:hover { text-decoration: underline; }

.brand-logo {
  display: inline-flex;
  align-items: baseline;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
  text-transform: none;
  font-family: var(--font);
}
.brand-logo__prefix { color: var(--color-ink-deep); }
.brand-logo__suffix { color: var(--color-primary); }
.brand-logo__dot {
  display: inline-block;
  border-radius: 50%;
  background: var(--color-primary);
  margin-left: 3px;
  transform: translateY(-0.05em);
}
.brand-logo--hero .brand-logo__prefix,
.brand-logo--hero .brand-logo__suffix { color: var(--color-ink-deep); }
.brand-logo--on-dark .brand-logo__prefix,
.brand-logo--on-dark .brand-logo__suffix { color: #fff; }
.brand-logo--on-dark .brand-logo__dot { background: #fff; }

/* Header */
.app-header {
  position: sticky;
  top: 0;
  z-index: 100;
  width: 100%;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-hairline-soft);
  padding: 0 var(--page-padding);
}
.app-header--landing { border-bottom: 1px solid transparent; }
.app-header__inner {
  max-width: var(--landing-max);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
  gap: 12px;
}
.app-header__brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: inherit;
  text-decoration: none;
}
.app-header__brand:hover { text-decoration: none; }
.app-header__icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-circle, 9999px);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-surface-soft);
  color: var(--color-primary);
  flex-shrink: 0;
  font-size: 1.1rem;
}
.app-header__nav {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}
.app-nav-link {
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  border-radius: var(--radius-full);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: -0.14px;
  color: var(--color-ink);
  text-decoration: none;
}
.app-nav-link:hover {
  background: var(--color-surface-soft);
  text-decoration: none;
}

/* Buttons — Meta pill language */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 0;
  border-radius: var(--radius-full);
  padding: 14px 30px;
  font: inherit;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.43;
  letter-spacing: -0.14px;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s var(--ease), border-color 0.15s var(--ease), color 0.15s var(--ease);
}
.btn:hover { text-decoration: none; }

.btn-primary,
.btn-ink {
  background: var(--color-ink-button);
  color: var(--color-on-ink-button);
}
.btn-primary:hover,
.btn-ink:hover {
  background: var(--color-charcoal);
  color: #fff;
}

.btn-buy,
.btn-cta {
  background: var(--color-primary);
  color: var(--color-on-primary);
}
.btn-buy:hover,
.btn-cta:hover {
  background: var(--color-primary-deep);
  color: #fff;
}

.btn-secondary {
  background: transparent;
  color: var(--color-ink-deep);
  border: 2px solid var(--color-ink-deep);
  padding: 12px 28px;
}
.btn-secondary:hover {
  background: var(--color-surface-soft);
  color: var(--color-ink-deep);
}

.btn-ghost {
  background: transparent;
  color: var(--color-ink-deep);
  border: 2px solid rgba(10, 19, 23, 0.12);
  padding: 10px 22px;
}
.btn-ghost:hover { background: var(--color-surface-soft); }

.btn-danger {
  background: #fff;
  color: var(--color-critical);
  border: 1px solid var(--color-hairline);
}
.btn-danger:hover { background: #fff5f5; }

.btn-lg { padding: 16px 34px; font-size: 15px; }
.btn-sm { padding: 8px 16px; font-size: 13px; }
.btn-block { width: 100%; }
.inline-form { display: inline; margin: 0; }

/* Landing — Meta commerce voice */
.maily-layout { min-height: 100dvh; background: var(--color-canvas); }

.meta-hero {
  max-width: var(--landing-max);
  margin: 0 auto;
  padding: clamp(48px, 10vw, 100px) var(--page-padding) clamp(40px, 8vw, 72px);
  display: grid;
  gap: clamp(32px, 6vw, 56px);
  align-items: center;
}
@media (min-width: 900px) {
  .meta-hero {
    grid-template-columns: 1.1fr 0.9fr;
  }
}
.meta-hero__kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  background: var(--color-surface-soft);
  color: var(--color-steel);
  font-size: 12px;
  font-weight: 700;
  margin-bottom: 16px;
}
.meta-hero__title {
  margin: 0;
  font-size: clamp(2.25rem, 6vw, 4rem);
  font-weight: 500;
  line-height: 1.16;
  letter-spacing: -0.03em;
  color: var(--color-ink-deep);
  text-wrap: balance;
}
.meta-hero__lead {
  margin: 16px 0 0;
  max-width: 36ch;
  font-size: clamp(1rem, 2.4vw, 1.125rem);
  font-weight: 400;
  line-height: 1.44;
  color: var(--color-slate);
}
.meta-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}
.meta-hero__visual {
  background: var(--color-surface-soft);
  border-radius: var(--radius-xxxl);
  min-height: clamp(240px, 40vw, 420px);
  display: grid;
  place-items: center;
  border: 1px solid var(--color-hairline-soft);
  position: relative;
  overflow: hidden;
}
.meta-hero__visual-glow {
  position: absolute;
  width: 70%;
  height: 70%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(249, 115, 22, 0.28), transparent 68%);
  filter: blur(22px);
  animation: mail-glow 4.5s ease-in-out infinite;
}

/* Letter / envelope animation */
.mail-anim {
  --mail-w: clamp(180px, 28vw, 260px);
  --mail-h: calc(var(--mail-w) * 0.88);
  position: relative;
  z-index: 1;
  width: var(--mail-w);
  height: var(--mail-h);
  perspective: 800px;
  overflow: hidden;
  animation: mail-float 4.5s ease-in-out infinite;
  filter: drop-shadow(0 16px 28px rgba(194, 65, 12, 0.2));
}
.mail-anim__back {
  position: absolute;
  inset: 28% 0 0;
  background: linear-gradient(165deg, #fb923c, #ea580c);
  border-radius: 12px;
  z-index: 1;
}
.mail-anim__letter {
  position: absolute;
  left: 11%;
  right: 11%;
  bottom: 10%;
  height: 68%;
  background: #fff;
  border-radius: 8px;
  border: 1px solid var(--color-hairline);
  box-shadow: 0 6px 16px rgba(67, 20, 7, 0.08);
  padding: 12% 10% 10%;
  display: flex;
  flex-direction: column;
  gap: 7%;
  z-index: 2;
  transform-origin: bottom center;
  animation: mail-rise 4.5s ease-in-out infinite;
}
.mail-anim__line {
  display: block;
  height: 7%;
  border-radius: 999px;
  background: #ffedd5;
}
.mail-anim__line--title {
  width: 52%;
  height: 11%;
  background: linear-gradient(90deg, #f97316, #fb923c);
  margin-bottom: 2%;
}
.mail-anim__line:nth-child(2) { width: 92%; }
.mail-anim__line:nth-child(3) { width: 70%; }
.mail-anim__otp {
  margin-top: auto;
  align-self: flex-start;
  font-size: clamp(0.65rem, 1.4vw, 0.8rem);
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--color-primary-deep);
  background: #fff7ed;
  border: 1px solid #fed7aa;
  border-radius: 999px;
  padding: 4px 10px;
}
.mail-anim__front {
  position: absolute;
  inset: 28% 0 0;
  background: linear-gradient(180deg, #f97316 0%, #c2410c 100%);
  clip-path: polygon(0 0, 50% 58%, 100% 0, 100% 100%, 0 100%);
  border-radius: 0 0 12px 12px;
  z-index: 3;
}
.mail-anim__flap {
  position: absolute;
  top: 28%;
  left: 0;
  width: 100%;
  height: 38%;
  background: linear-gradient(180deg, #fdba74 0%, #f97316 100%);
  clip-path: polygon(0 0, 50% 100%, 100% 0);
  transform-origin: top center;
  transform-style: preserve-3d;
  backface-visibility: hidden;
  z-index: 4;
  animation: mail-flap 4.5s ease-in-out infinite;
}

@keyframes mail-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}
@keyframes mail-glow {
  0%, 100% { opacity: 0.85; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.08); }
}
@keyframes mail-flap {
  0%, 10% { transform: rotateX(0deg); z-index: 4; }
  26%, 74% { transform: rotateX(-168deg); z-index: 0; }
  90%, 100% { transform: rotateX(0deg); z-index: 4; }
}
@keyframes mail-rise {
  0%, 10% { transform: translateY(8%); }
  28%, 72% { transform: translateY(-42%); }
  90%, 100% { transform: translateY(8%); }
}

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

.app-loading {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: none;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 14px;
  background: rgba(255, 247, 237, 0.72);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}
.app-loading.is-active { display: flex; }
.app-loading__spinner {
  width: 40px;
  height: 40px;
  border: 3px solid #fed7aa;
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: app-spin 0.7s linear infinite;
}
.app-loading__text {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-ink-deep);
}
body.is-submitting .btn[type="submit"],
body.is-submitting button[type="submit"] {
  opacity: 0.75;
  pointer-events: none;
}
.btn.is-loading {
  position: relative;
  color: transparent !important;
  pointer-events: none;
}
.btn.is-loading::after {
  content: "";
  position: absolute;
  inset: 0;
  margin: auto;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255,255,255,0.35);
  border-top-color: #fff;
  border-radius: 50%;
  animation: app-spin 0.7s linear infinite;
}

@media (prefers-reduced-motion: reduce) {
  .mail-anim,
  .mail-anim__flap,
  .mail-anim__letter,
  .meta-hero__visual-glow {
    animation: none;
  }
  .mail-anim__flap { transform: rotateX(-168deg); z-index: 0; }
  .mail-anim__letter { transform: translateY(-36%); }
}

.meta-section {
  max-width: var(--landing-max);
  margin: 0 auto;
  padding: var(--space-section) var(--page-padding);
}
.meta-section__heading {
  margin: 0 0 28px;
  font-size: clamp(1.5rem, 3.5vw, 2.25rem);
  font-weight: 500;
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--color-ink-deep);
}
.meta-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}
@media (min-width: 720px) {
  .meta-grid { grid-template-columns: repeat(3, 1fr); }
}
.meta-card {
  background: var(--color-canvas);
  border: 1px solid var(--color-hairline-soft);
  border-radius: var(--radius-xxxl);
  padding: var(--space-xxl) var(--space-xl);
  transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
@media (hover: hover) {
  .meta-card:hover {
    transform: translateY(-4px);
    box-shadow: rgba(20, 22, 26, 0.08) 0 12px 28px;
  }
}
.meta-card__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-xl);
  background: var(--color-surface-soft);
  display: grid;
  place-items: center;
  font-size: 1.35rem;
  margin-bottom: 16px;
}
.meta-card__title {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.44;
  color: var(--color-ink);
}
.meta-card__desc {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.43;
  letter-spacing: -0.14px;
  color: var(--color-steel);
}

.meta-promo {
  max-width: var(--landing-max);
  margin: 0 auto var(--space-section);
  padding: 0 var(--page-padding);
}
.meta-promo__inner {
  background: var(--color-ink-deep);
  color: #fff;
  border-radius: var(--radius-xxxl);
  padding: clamp(40px, 8vw, 64px) clamp(24px, 5vw, 48px);
  text-align: center;
}
.meta-promo__inner h2 {
  margin: 0;
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 500;
  line-height: 1.25;
}
.meta-promo__inner p {
  margin: 12px 0 0;
  color: rgba(255, 255, 255, 0.78);
  font-size: 16px;
}
.meta-promo__inner .btn { margin-top: 24px; }

.meta-footer {
  border-top: 1px solid var(--color-hairline-soft);
  padding: var(--space-section) var(--page-padding);
  color: var(--color-steel);
  font-size: 14px;
}
.meta-footer__inner {
  max-width: var(--landing-max);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
}

/* App pages */
.app-shell {
  min-height: 100dvh;
  background: var(--color-surface-soft);
}
.page-container {
  width: 100%;
  max-width: var(--content-max);
  margin: 0 auto;
  padding: clamp(24px, 5vw, 40px) var(--page-padding);
}
.auth-card-wrap {
  width: 100%;
  max-width: 420px;
  margin: 0 auto;
}
.card {
  background: var(--color-canvas);
  border: 1px solid var(--color-hairline-soft);
  border-radius: var(--radius-xxl);
  padding: 24px;
  margin-bottom: 16px;
  box-shadow: rgba(20, 22, 26, 0.04) 0 1px 4px;
}
.card h1, .card h2, .page-title {
  margin: 0 0 6px;
  color: var(--color-ink-deep);
  font-weight: 500;
  letter-spacing: -0.02em;
}
.muted { color: var(--color-steel); font-weight: 400; }
.page-header {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: flex-start;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.form-group { margin-bottom: 16px; }
.form-group label {
  display: block;
  margin-bottom: 8px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: -0.14px;
  color: var(--color-ink);
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  height: 44px;
  padding: 12px;
  border: 1px solid var(--color-hairline);
  border-radius: var(--radius-lg);
  font: inherit;
  font-size: 16px;
  background: var(--color-canvas);
  color: var(--color-ink);
}
.form-group input:focus,
.form-group select:focus {
  outline: none;
  border: 2px solid var(--color-fb-blue);
  padding: 11px;
}

.alert {
  padding: 12px 16px;
  border-radius: var(--radius-xl);
  margin-bottom: 16px;
  font-size: 14px;
}
.alert ul { margin: 0; padding-left: 1.2rem; }
.alert-success { background: #eaf8ee; color: #1a7a32; }
.alert-error { background: #fde8ec; color: var(--color-critical); }

/* Ant Design Alert (server-rendered) */
.antd-flash-stack {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 16px;
}
.ant-alert {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  box-sizing: border-box;
  margin: 0;
  padding: 12px 16px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-size: 14px;
  line-height: 1.5714;
}
.ant-alert-icon {
  flex: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  line-height: 1;
  color: #fff;
  margin-top: 1px;
}
.ant-alert-content { flex: 1; min-width: 0; }
.ant-alert-message { font-weight: 600; color: inherit; }
.ant-alert-description {
  margin-top: 4px;
  font-weight: 400;
  opacity: 0.9;
}
.ant-alert-description ul {
  margin: 0;
  padding-left: 1.1rem;
}
.ant-alert-close {
  flex: none;
  border: 0;
  background: transparent;
  color: inherit;
  opacity: 0.55;
  cursor: pointer;
  font-size: 18px;
  line-height: 1;
  padding: 0 2px;
}
.ant-alert-close:hover { opacity: 0.9; }

.ant-alert-success {
  background: #f6ffed;
  border-color: #b7eb8f;
  color: #389e0d;
}
.ant-alert-success .ant-alert-icon { background: #52c41a; }

.ant-alert-info {
  background: #e6f4ff;
  border-color: #91caff;
  color: #0958d9;
}
.ant-alert-info .ant-alert-icon { background: #1677ff; }

.ant-alert-warning {
  background: #fffbe6;
  border-color: #ffe58f;
  color: #d48806;
}
.ant-alert-warning .ant-alert-icon { background: #faad14; }

.ant-alert-error {
  background: #fff2f0;
  border-color: #ffccc7;
  color: #cf1322;
}
.ant-alert-error .ant-alert-icon { background: #ff4d4f; }

.list-item {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 14px 0;
  border-bottom: 1px solid var(--color-hairline-soft);
  align-items: flex-start;
}
.list-item:last-child { border-bottom: 0; }
.list-item.unread {
  background: #fff7ed;
  margin: 0 -8px;
  padding-left: 8px;
  padding-right: 8px;
  border-radius: var(--radius-lg);
}
.tag {
  display: inline-block;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  background: var(--color-surface-soft);
  color: var(--color-ink);
  font-size: 12px;
  font-weight: 700;
}
.actions { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }

.table { width: 100%; border-collapse: collapse; }
.table th, .table td {
  text-align: left;
  padding: 12px 8px;
  border-bottom: 1px solid var(--color-hairline-soft);
  vertical-align: top;
  font-size: 14px;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 16px;
}
@media (max-width: 800px) {
  .grid-2 { grid-template-columns: 1fr; }
}

.message-pane {
  border: 1px solid var(--color-hairline-soft);
  border-radius: var(--radius-xxl);
  padding: 20px;
  min-height: 200px;
  background: var(--color-canvas);
}
.email-content img { max-width: 100%; height: auto; }

.domain-chip {
  display: inline-flex;
  align-items: center;
  height: 44px;
  padding: 0 16px;
  background: var(--color-surface-soft);
  border: 1px solid var(--color-hairline);
  border-radius: var(--radius-full);
  color: var(--color-steel);
  white-space: nowrap;
  font-size: 14px;
  font-weight: 700;
}

.user-menu { position: relative; }
.user-menu__trigger { gap: 8px; }
.user-menu__caret { font-size: 0.7rem; opacity: 0.85; }
.user-menu__dropdown {
  position: absolute;
  right: 0;
  top: calc(100% + 8px);
  min-width: 220px;
  background: var(--color-canvas);
  border: 1px solid var(--color-hairline-soft);
  border-radius: var(--radius-xl);
  box-shadow: rgba(20, 22, 26, 0.12) 0 12px 28px;
  padding: 8px;
  z-index: 200;
}
.user-menu__email {
  padding: 8px 10px;
  font-size: 12px;
  color: var(--color-steel);
  word-break: break-all;
}
.user-menu__divider {
  height: 1px;
  background: var(--color-hairline-soft);
  margin: 4px 0;
}
.user-menu__item {
  display: block;
  width: 100%;
  text-align: left;
  border: 0;
  background: transparent;
  padding: 10px 12px;
  border-radius: var(--radius-lg);
  font: inherit;
  font-weight: 700;
  font-size: 14px;
  color: var(--color-ink);
  cursor: pointer;
  text-decoration: none;
}
.user-menu__item:hover {
  background: var(--color-surface-soft);
  text-decoration: none;
}
.user-menu__item--danger { color: var(--color-critical); }
.user-menu__item--danger:hover { background: #fff5f5; }
.user-menu form { margin: 0; }

/* Admin users table (antd-like) */
.antd-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
.antd-table th,
.antd-table td {
  padding: 14px 12px;
  border-bottom: 1px solid #f0f0f0;
  text-align: left;
  vertical-align: top;
}
.antd-table th {
  background: #fafafa;
  font-weight: 600;
  color: var(--color-ink-deep);
}
.ant-tag {
  display: inline-block;
  padding: 0 8px;
  font-size: 12px;
  line-height: 20px;
  border-radius: 4px;
  background: #fafafa;
  border: 1px solid #d9d9d9;
  color: rgba(0,0,0,0.88);
}
.ant-tag-orange {
  background: #fff7e6;
  border-color: #ffd591;
  color: #d46b08;
}