@import url("https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;1,300&family=Inter:wght@400;500&family=Noto+Serif+TC:wght@400;500;600;700&display=swap");

:root {
  --background: #e8f4fc;
  --foreground: #0c3d5c;
  --card: #f8fcff;
  --primary: #0369a1;
  --primary-foreground: #f0f9ff;
  --accent: #0ea5e9;
  --accent-deep: #0284c7;
  --border: #bae6fd;
  --input: #7dd3fc;
  --muted-foreground: #64748b;
  --highlight: #e0f2fe;
  --seal: #0284c7;
  --ink: #0c4a6e;
  --gold: #38bdf8;
  --gold-soft: #bae6fd;
  --parchment: #f8fcff;
  --error: #b91c1c;
  --error-bg: #fef2f2;
  --radius: 0.375rem;
  --site-header-height: 4.25rem;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  background:
    radial-gradient(900px 420px at 10% -5%, #f0f9ff 0%, transparent 55%),
    radial-gradient(800px 400px at 100% 0%, #dbeafe 0%, transparent 50%),
    linear-gradient(180deg, #e0f2fe 0%, #e8f4fc 40%, #f0f9ff 100%);
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--foreground);
  font-family: "Noto Serif TC", "Songti TC", ui-serif, Georgia, serif;
  -webkit-font-smoothing: antialiased;
}

.shell {
  min-height: 100vh;
  position: relative;
  z-index: 1;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  border-bottom: 1px solid color-mix(in srgb, var(--border) 60%, transparent);
  background: rgb(248 252 255 / 0.94);
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
}

@media (hover: hover) and (pointer: fine) {
  .site-header {
    background: rgb(248 252 255 / 0.78);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
  }
}

.site-header__inner {
  max-width: 42rem;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
}

.site-header__brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.icon-lotus {
  display: block;
  color: var(--accent);
  flex-shrink: 0;
}

.site-header__eyebrow {
  font-family: "Noto Serif TC", serif;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.2em;
  color: var(--muted-foreground);
}

.site-header__title {
  margin: 0;
  font-family: "Noto Serif TC", serif;
  font-size: 14px;
  font-weight: 600;
  color: var(--foreground);
}

.site-header__aside {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  flex-shrink: 0;
}

.site-header__registry {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: "Noto Serif TC", serif;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--muted-foreground);
}

.site-header__registry[hidden] {
  display: none !important;
}

@media (min-width: 640px) {
  .site-header__registry span:first-child {
    width: 1.5rem;
    height: 1px;
    background: color-mix(in srgb, var(--accent) 50%, transparent);
  }
}

.site-main {
  max-width: 42rem;
  margin: 0 auto;
  padding: 2rem 1.25rem 4rem;
}

.site-main:has(#browse-view-panel:not([hidden])) {
  max-width: 72rem;
}

@media (min-width: 640px) {
  .site-main {
    padding-top: 3rem;
  }
}

.paper-card {
  position: relative;
  background: linear-gradient(180deg, #ffffff 0%, var(--card) 100%);
  border-radius: var(--radius);
  box-shadow:
    0 1px 0 rgb(255 255 255 / 0.9) inset,
    0 0 0 1px rgb(186 230 253 / 0.8),
    0 1px 2px rgb(14 116 144 / 0.04),
    0 12px 30px -18px rgb(14 116 144 / 0.18);
}

[data-page-panel][hidden] {
  display: none !important;
}

#form-panel[hidden],
#home-panel[hidden],
#browse-menu-panel[hidden],
#browse-view-panel[hidden],
#success-panel[hidden] {
  display: none !important;
}

/* Hero */
.hero {
  text-align: center;
  margin-bottom: 2.5rem;
}

.hero__lotus-wrap {
  display: flex;
  justify-content: center;
  margin-bottom: 1.75rem;
}

.hero__lotus-wrap .icon-lotus {
  width: 3.5rem;
  height: 3.5rem;
}

.hero__anno {
  font-family: "Inter", sans-serif;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.45em;
  color: var(--accent);
}

.hero__mid-title {
  margin: 1.5rem 0 0;
  font-family: "Cormorant Garamond", serif;
  font-size: clamp(2.75rem, 8vw, 4rem);
  font-weight: 300;
  font-style: italic;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.hero__yisi {
  margin-top: 0.75rem;
  font-family: "Noto Serif TC", serif;
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  font-weight: 600;
  letter-spacing: 0.35em;
  color: var(--foreground);
}

.hero__dots {
  margin-top: 1rem;
  font-family: "Noto Serif TC", serif;
  font-size: 14px;
  letter-spacing: 0.3em;
  color: var(--muted-foreground);
}

.hero__ornament {
  display: block;
  width: 100%;
  max-width: 28rem;
  margin: 2rem auto 0;
  height: 1rem;
  color: color-mix(in srgb, var(--accent) 70%, transparent);
}

.hero__lead {
  margin: 1.75rem auto 0;
  max-width: 36rem;
  font-family: "Noto Serif TC", serif;
  font-size: 15px;
  line-height: 1.95;
  color: var(--muted-foreground);
}

/* Form intro */
.form-intro {
  text-align: center;
  margin-bottom: 2.5rem;
}

.form-intro .icon-ornament-wide {
  margin: 0 auto;
  display: block;
  color: color-mix(in srgb, var(--accent) 70%, transparent);
}

.form-intro h2 {
  margin: 0.75rem 0 0;
  font-family: "Noto Serif TC", serif;
  font-size: 22px;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--foreground);
}

.form-intro__hint {
  margin: 0.75rem 0 0;
  font-size: 14px;
  line-height: 1.65;
  color: var(--muted-foreground);
}

/* Field cards */
.field {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-bottom: 1.75rem;
}

@media (min-width: 640px) {
  .field {
    padding: 2rem;
  }
}

.field__corner-tr,
.field__corner-bl {
  pointer-events: none;
  position: absolute;
  width: 1.5rem;
  height: 1.5rem;
}

.field__corner-tr {
  right: 1.25rem;
  top: 1.25rem;
  border-right: 1px solid color-mix(in srgb, var(--accent) 40%, transparent);
  border-top: 1px solid color-mix(in srgb, var(--accent) 40%, transparent);
}

.field__corner-bl {
  bottom: 1.25rem;
  left: 1.25rem;
  border-bottom: 1px solid color-mix(in srgb, var(--accent) 40%, transparent);
  border-left: 1px solid color-mix(in srgb, var(--accent) 40%, transparent);
}

.field__top {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  margin-bottom: 1.25rem;
}

.field__num-badge {
  display: flex;
  height: 3rem;
  width: 3rem;
  flex-shrink: 0;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border-radius: 9999px;
  border: 1px solid color-mix(in srgb, var(--accent) 50%, transparent);
  background: #f8fcff;
  color: var(--accent);
  box-shadow: inset 0 0 0 3px rgba(255, 255, 255, 0.7);
}

.field__num-badge .numeral.no-label {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted-foreground);
  font-style: normal;
  font-family: "Noto Serif TC", serif;
}

.field__num-badge .numeral.num {
  margin-top: -2px;
  font-size: 18px;
  line-height: 1;
  color: var(--primary);
}

.field__head {
  flex: 1;
  min-width: 0;
  padding-top: 2px;
}

.field__title-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
}

.field__title {
  margin: 0;
  font-family: "Noto Serif TC", serif;
  font-size: clamp(18px, 2.5vw, 20px);
  font-weight: 600;
  line-height: 1.35;
  color: var(--foreground);
  word-break: keep-all;
  overflow-wrap: break-word;
}

.badge-req {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  border-radius: 0.125rem;
  border: 1px solid color-mix(in srgb, var(--seal) 40%, transparent);
  background: #e0f2fe;
  padding: 0.125rem 0.375rem;
  font-family: "Noto Serif TC", serif;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--seal);
}

.badge-req::before {
  content: "";
  width: 4px;
  height: 4px;
  border-radius: 9999px;
  background: var(--seal);
}

.field__hint {
  margin-top: 0.75rem;
  font-size: 14px;
  line-height: 1.65;
  color: var(--muted-foreground);
}

.field__body {
  padding-left: 0;
  min-width: 0;
}

@media (min-width: 640px) {
  .field__body {
    padding-left: 68px;
  }
}

.field__error {
  margin: 0.5rem 0 0;
  font-size: 13px;
  color: var(--error);
}

.field__error[hidden] {
  display: none;
}

#page3-wangsheng[hidden],
#page3-bingzhe[hidden] {
  display: none !important;
}

/* Inputs */
.input-txt {
  width: 100%;
  border-radius: 0.125rem;
  border: 0;
  border-bottom: 1px solid var(--input);
  background: transparent;
  padding: 0.625rem 0.25rem;
  font-family: "Noto Serif TC", serif;
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: normal;
  writing-mode: horizontal-tb;
  text-orientation: mixed;
  direction: ltr;
  unicode-bidi: plaintext;
  word-break: normal;
  overflow-wrap: break-word;
  color: var(--foreground);
  outline: none;
  transition: border-color 0.15s;
  -webkit-appearance: none;
  appearance: none;
}

.input-txt::placeholder {
  color: color-mix(in srgb, var(--muted-foreground) 60%, transparent);
}

.input-txt:focus {
  border-color: var(--accent);
}

.input-txt.is-invalid {
  border-color: var(--error);
}

textarea.input-txt {
  resize: vertical;
  min-height: 6rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
  background: #fff;
  white-space: pre-wrap;
}

textarea.input-txt:focus {
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent) 30%, transparent);
}

input[type="date"].input-txt {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.625rem 0.75rem;
  background: #fff;
}

.date-display {
  margin-top: 0.5rem;
  font-size: 13px;
  color: var(--muted-foreground);
}

/* Radio cards */
.radio-grid {
  display: grid;
  gap: 0.5rem;
}

.radio-card {
  display: flex;
  cursor: pointer;
  align-items: center;
  gap: 0.75rem;
  border-radius: 0.125rem;
  border: 1px solid color-mix(in srgb, var(--border) 70%, transparent);
  background: #fff;
  padding: 0.75rem 1rem;
  font-family: "Noto Serif TC", serif;
  font-size: 15px;
  color: var(--foreground);
  transition: border-color 0.15s, background 0.15s, box-shadow 0.15s;
}

.radio-card:hover {
  border-color: color-mix(in srgb, var(--accent) 60%, transparent);
  background: var(--highlight);
}

.radio-card:has(input:checked) {
  border-color: color-mix(in srgb, var(--seal) 55%, transparent);
  background: var(--highlight);
  box-shadow: inset 3px 0 0 var(--seal);
}

.radio-card input {
  accent-color: var(--seal);
  width: 1rem;
  height: 1rem;
}

/* Intro actions */
.intro-actions {
  padding: 1.75rem 1.5rem 2rem;
  margin-bottom: 1rem;
}

@media (min-width: 640px) {
  .intro-actions {
    padding: 2rem 2rem 2.25rem;
  }
}

.intro-actions__ornament {
  display: block;
  width: 10rem;
  height: 1rem;
  margin: 0 auto 1.25rem;
  color: color-mix(in srgb, var(--accent) 60%, transparent);
}

.intro-actions__buttons {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 1rem;
  max-width: 32rem;
  margin: 0 auto;
}

.intro-actions__buttons--row {
  flex-direction: row;
  flex-wrap: wrap;
  align-items: stretch;
}

.intro-actions__buttons--row .btn-back {
  flex: 0 0 auto;
  min-width: 6rem;
}

.intro-actions__buttons--row .btn-register {
  flex: 1;
  min-width: 10rem;
}

/* Buttons */
.btn-register {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  width: 100%;
  padding: 1rem 2rem;
  font-family: "Noto Serif TC", serif;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.28em;
  color: var(--primary-foreground);
  border: none;
  border-radius: 0.125rem;
  cursor: pointer;
  background: linear-gradient(180deg, #0ea5e9 0%, #0369a1 100%);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.18) inset,
    0 14px 28px -14px rgb(3 105 161 / 0.55);
  transition: opacity 0.15s, transform 0.15s;
}

.btn-register:not(:disabled):hover {
  opacity: 0.95;
}

.btn-register:not(:disabled):active {
  transform: translateY(1px);
}

.btn-register:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  box-shadow: none;
}

.btn-register--outline {
  color: var(--primary);
  background: linear-gradient(180deg, #f0f9ff 0%, #e0f2fe 100%);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.9) inset,
    0 0 0 1px color-mix(in srgb, var(--accent) 45%, transparent),
    0 10px 24px -16px rgb(3 105 161 / 0.35);
}

.btn-register--outline:not(:disabled):hover {
  background: linear-gradient(180deg, #ffffff 0%, #e0f2fe 100%);
}

.btn-register .hairline {
  width: 1.25rem;
  height: 1px;
  background: color-mix(in srgb, var(--gold) 70%, transparent);
}

.btn-back {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1rem 1.5rem;
  font-family: "Noto Serif TC", serif;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.18em;
  color: var(--foreground);
  border-radius: 0.125rem;
  border: 1px solid color-mix(in srgb, var(--border) 75%, transparent);
  background: #fff;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}

.btn-back:hover {
  border-color: color-mix(in srgb, var(--accent) 55%, transparent);
  background: var(--highlight);
}

/* Submit wrap */
.submit-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
  padding-top: 0.5rem;
  padding-bottom: 2rem;
}

.submit-wrap__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  justify-content: center;
  gap: 0.75rem;
  width: 100%;
  max-width: 28rem;
}

.submit-wrap__actions .btn-back {
  flex: 0 0 auto;
}

.submit-wrap__actions .btn-submit {
  flex: 1;
  min-width: 10rem;
}

.btn-submit {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 1rem 2.5rem;
  font-family: "Noto Serif TC", serif;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.32em;
  color: var(--primary-foreground);
  border: none;
  border-radius: 0.125rem;
  cursor: pointer;
  background: linear-gradient(180deg, #0ea5e9 0%, #0369a1 100%);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.18) inset,
    0 14px 28px -14px rgb(3 105 161 / 0.55);
  transition: opacity 0.15s;
}

.btn-submit:hover:not(:disabled) {
  opacity: 0.95;
}

.btn-submit:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.btn-submit .hairline {
  width: 1.5rem;
  height: 1px;
  background: color-mix(in srgb, var(--gold) 70%, transparent);
}

/* Alerts */
.alert-received {
  text-align: center;
  margin-bottom: 2rem;
  padding: 2rem 1.5rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: linear-gradient(180deg, #ffffff 0%, var(--card) 100%);
  box-shadow:
    0 1px 0 rgb(255 255 255 / 0.9) inset,
    0 0 0 1px rgb(186 230 253 / 0.8),
    0 12px 32px -16px rgb(14 116 144 / 0.18);
}

.alert-received--error {
  text-align: left;
  padding: 0.85rem 1rem;
  color: var(--error);
  background: var(--error-bg);
  border-color: #fecaca;
  box-shadow: none;
}

.alert-received__zh {
  margin: 0;
  font-family: "Noto Serif TC", serif;
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--primary);
}

.alert-received__sub {
  margin: 0.75rem 0 0;
  font-size: 14px;
  line-height: 1.65;
  color: var(--muted-foreground);
}

.alert-received[hidden],
.alert-received--error[hidden] {
  display: none !important;
}

/* Browse panels */
.browse-panel {
  padding: 1.25rem 1rem 1.5rem;
  margin-bottom: 1rem;
}

.browse-step {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  min-width: 0;
}

.browse-step[hidden] {
  display: none !important;
}

.browse-step--filters {
  max-width: 28rem;
  margin: 0 auto;
  width: 100%;
}

.browse-step--results {
  width: 100%;
}

.browse-data {
  min-width: 0;
  display: flex;
  flex-direction: column;
  min-height: 14rem;
}

.browse-filters-status {
  margin: 0;
  padding: 1rem;
  text-align: center;
  font-size: 14px;
  line-height: 1.65;
  color: var(--muted-foreground);
  border: 1px dashed color-mix(in srgb, var(--accent) 35%, transparent);
  border-radius: var(--radius);
  background: rgb(248 252 255 / 0.85);
}

.browse-filters__hint {
  margin: -0.35rem 0 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted-foreground);
}

.browse-step-actions {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.browse-step-actions--pair {
  align-items: stretch;
}

.browse-step-actions--pair .btn-back,
.browse-step-actions--pair .btn-register {
  flex: 1 1 8rem;
  min-width: 0;
  max-width: 14rem;
}

@media (min-width: 640px) {
  .browse-panel {
    padding: 1.5rem 1.5rem 1.75rem;
  }
}

@media (max-width: 720px) {
  body.browse-view-open {
    overflow: hidden;
    height: 100dvh;
    height: 100svh;
  }

  body.browse-view-open .shell {
    height: 100%;
    min-height: 0;
  }

  body.browse-view-open .site-header,
  body.browse-view-open #form-alert {
    display: none !important;
  }

  body.browse-view-open .site-main {
    padding: 0;
    max-width: none;
    width: 100%;
    height: 0;
    min-height: 0;
    flex: 1;
    overflow: hidden;
  }

  body.browse-view-open .shell {
    display: flex;
    flex-direction: column;
    min-height: 100dvh;
    min-height: 100svh;
  }

  body.browse-view-open .site-main:has(#browse-view-panel:not([hidden])) {
    max-width: none;
    display: flex;
    flex-direction: column;
  }

  #browse-view-panel:not([hidden]) {
    position: fixed;
    inset: 0;
    z-index: 50;
    display: flex;
    flex-direction: column;
    width: 100%;
    height: 100dvh;
    height: 100svh;
    min-height: 0;
    overflow: hidden;
    background: #f8fcff;
  }

  #browse-view-panel .form-intro {
    display: none;
  }

  #browse-view-panel .browse-panel {
    flex: 1;
    min-height: 0;
    width: 100%;
    display: flex;
    flex-direction: column;
    margin: 0;
    padding: 0;
    border-radius: 0;
    box-shadow: none;
    background: transparent;
    overflow: hidden;
  }

  #browse-view-panel .browse-step {
    flex: 1;
    min-height: 0;
    width: 100%;
    gap: 0;
    overflow: hidden;
  }

  #browse-view-panel .browse-step--filters {
    max-width: none;
    padding-top: env(safe-area-inset-top, 0px);
  }

  #browse-view-panel .browse-filters-status {
    flex-shrink: 0;
    margin: 0.75rem 1rem 0;
  }

  #browse-view-panel .browse-filters {
    flex: 1;
    min-height: 0;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    overflow-x: hidden;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    position: static;
    top: auto;
    border-radius: 0;
    border: 0;
    border-top: 1px solid color-mix(in srgb, var(--border) 80%, transparent);
    border-bottom: 1px solid color-mix(in srgb, var(--border) 80%, transparent);
    padding: 0.75rem 1rem;
    box-shadow: none;
  }

  #browse-view-panel .browse-filters__block,
  #browse-view-panel .browse-filter-chips,
  #browse-view-panel .browse-date-range,
  #browse-view-panel .browse-date-range__field {
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
  }

  #browse-view-panel .browse-filter-chips {
    flex-direction: row;
    gap: 0.4rem;
  }

  #browse-view-panel .browse-filter-chip {
    display: flex;
    flex: 1 1 0;
    min-width: 0;
    width: auto;
  }

  #browse-view-panel .browse-filters__input,
  #browse-view-panel .browse-filters__select {
    display: block;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
  }

  #browse-view-panel .browse-step--results {
    padding-top: env(safe-area-inset-top, 0px);
  }

  #browse-view-panel .browse-step--results .browse-data {
    flex: 1;
    min-height: 0;
    width: 100%;
    max-width: 100%;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    padding: 0;
    box-sizing: border-box;
    background: #fff;
  }

  #browse-view-panel .browse-status {
    padding: 0.4rem 1rem 0.35rem;
    margin-bottom: 0;
    flex-shrink: 0;
  }

  #browse-view-panel .browse-table-wrap {
    flex: 1;
    min-height: 0;
    min-width: 0;
    width: 100%;
    margin-bottom: 0;
    overflow-x: auto;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
    touch-action: pan-x pan-y;
    border-left: 0;
    border-right: 0;
    border-radius: 0;
  }

  #browse-view-panel .browse-table {
    width: max-content;
    min-width: 100%;
  }

  #browse-view-panel .browse-step-actions {
    flex-shrink: 0;
    margin: 0;
    padding: 0.5rem 1rem calc(0.5rem + env(safe-area-inset-bottom, 0px));
    border-top: 1px solid color-mix(in srgb, var(--border) 80%, transparent);
    background: #f8fcff;
    box-shadow: 0 -4px 16px -8px rgb(14 116 144 / 0.15);
    position: relative;
    z-index: 10;
    gap: 0.65rem;
  }

  #browse-view-panel .browse-step-actions--pair .btn-back,
  #browse-view-panel .browse-step-actions--pair .btn-register {
    flex: 1 1 0;
    max-width: none;
    padding: 0.9rem 0.75rem;
    font-size: 15px;
  }
}

.browse-status {
  margin: 0 0 0.75rem;
  font-size: 14px;
  line-height: 1.65;
  color: var(--muted-foreground);
  flex-shrink: 0;
}

.browse-filters {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  width: 100%;
  min-width: 0;
  box-sizing: border-box;
  padding: 1rem;
  border: 1px solid color-mix(in srgb, var(--accent) 35%, transparent);
  border-radius: var(--radius);
  background: linear-gradient(180deg, #f8fcff 0%, #eef8ff 100%);
  box-shadow: inset 0 1px 0 rgb(255 255 255 / 0.85);
}

.browse-filters__title {
  margin: 0 0 0.15rem;
  font-family: "Noto Serif TC", serif;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--ink);
}

.browse-filters__block {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  width: 100%;
  min-width: 0;
}

.browse-filters__label {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--foreground);
}

.browse-filters__input,
.browse-filters__select {
  width: 100%;
  margin: 0;
}

.browse-filters__select {
  appearance: auto;
  -webkit-appearance: menulist;
  cursor: pointer;
  background-color: #fff;
}

.browse-filter-chips {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.browse-filter-chip {
  position: relative;
  display: flex;
  width: 100%;
  cursor: pointer;
}

.browse-filter-chip input {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.browse-filter-chip span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-width: 0;
  padding: 0.55rem 0.75rem;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--foreground);
  border: 1px solid color-mix(in srgb, var(--border) 80%, transparent);
  border-radius: var(--radius);
  background: #fff;
  transition: border-color 0.15s, background 0.15s, color 0.15s;
}

.browse-filter-chip input:checked + span {
  color: var(--primary-foreground);
  border-color: var(--accent-deep);
  background: linear-gradient(180deg, #0ea5e9 0%, #0369a1 100%);
}

.browse-filter-chip input:focus-visible + span {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.browse-filters__hint--tight {
  margin-top: -0.15rem;
}

.browse-filters__sublabel {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--muted-foreground);
}

.browse-date-range {
  display: grid;
  gap: 0.75rem;
}

@media (min-width: 480px) {
  .browse-date-range {
    grid-template-columns: 1fr 1fr;
    gap: 0.65rem;
  }
}

.browse-date-range__field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  min-width: 0;
}

.browse-empty {
  margin: 0;
  padding: 1.25rem 0.75rem;
  text-align: center;
  font-size: 14px;
  line-height: 1.65;
  color: var(--muted-foreground);
}

.browse-empty-cell {
  padding: 1.25rem 0.75rem !important;
  text-align: center;
  color: var(--muted-foreground);
  white-space: normal !important;
}

.browse-table-wrap {
  flex: 1;
  min-height: 10rem;
  min-width: 0;
  overflow: auto;
  overflow-x: auto;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
  touch-action: pan-x pan-y;
  border: 1px solid color-mix(in srgb, var(--border) 80%, transparent);
  border-radius: var(--radius);
  background: #fff;
}

.browse-table {
  width: max-content;
  min-width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  line-height: 1.45;
}

.browse-table th,
.browse-table td {
  padding: 0.65rem 0.75rem;
  border-bottom: 1px solid color-mix(in srgb, var(--border) 70%, transparent);
  text-align: left;
  vertical-align: top;
  white-space: nowrap;
}

.browse-table th {
  position: sticky;
  top: 0;
  z-index: 1;
  font-weight: 600;
  color: var(--ink);
  background: var(--highlight);
}

.browse-table tbody tr:last-child td {
  border-bottom: none;
}

.browse-table tbody tr:nth-child(even) td {
  background: rgb(248 252 255 / 0.65);
}

.browse-step--results .browse-data {
  flex: 1;
  min-height: 18rem;
}

.browse-step-actions {
  margin-top: 0.25rem;
}

.browse-gate {
  max-width: 28rem;
  margin: 0 auto;
  padding: 1.25rem 1rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.browse-gate__hint {
  margin: 0;
  font-size: 14px;
  line-height: 1.65;
  color: var(--muted-foreground);
}

.browse-gate__week {
  margin: 0;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--ink);
}

.browse-gate__field {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.browse-gate__input {
  width: 100%;
}

.browse-gate__error {
  margin: 0;
  font-size: 13px;
  line-height: 1.55;
  color: var(--error);
}

/* Mobile: keep labels, inputs, and buttons reading horizontally */
@media (max-width: 639px) {
  .site-main:not(:has(#browse-view-panel:not([hidden]))) {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .field {
    padding: 1.25rem;
  }

  .field__top {
    gap: 0.85rem;
  }

  .field__num-badge {
    flex-direction: row;
    width: auto;
    min-width: 2.75rem;
    height: 2.25rem;
    padding: 0 0.55rem;
    gap: 0.1rem;
  }

  .field__num-badge .numeral.num {
    margin-top: 0;
  }

  .field__hint,
  .field__error,
  .form-intro__hint,
  .hero__lead,
  .radio-card,
  .date-display {
    letter-spacing: normal;
    word-break: keep-all;
    overflow-wrap: break-word;
    line-height: 1.55;
  }

  .form-intro h2,
  .hero__yisi,
  .hero__dots {
    letter-spacing: 0.04em;
    word-break: keep-all;
    overflow-wrap: break-word;
    line-height: 1.5;
  }

  .btn-register,
  .btn-back,
  .btn-submit {
    letter-spacing: 0.04em;
    white-space: nowrap;
  }

  .intro-actions__buttons--row {
    flex-direction: column;
  }

  .intro-actions__buttons--row .btn-back,
  .intro-actions__buttons--row .btn-register {
    width: 100%;
    min-width: 0;
  }

  .submit-wrap__actions {
    flex-direction: column;
  }

  .submit-wrap__actions .btn-back,
  .submit-wrap__actions .btn-submit {
    width: 100%;
    min-width: 0;
  }

  .input-txt,
  .input-txt::placeholder {
    font-family: -apple-system, BlinkMacSystemFont, "PingFang TC", "Heiti TC", "Noto Sans TC", sans-serif;
  }
}