:root {
  --page-bg: oklch(0.97 0.015 88);
  --panel-bg: oklch(0.992 0.004 88);
  --panel-soft: oklch(0.95 0.02 82);
  --ink-strong: oklch(0.26 0.03 255);
  --ink-body: oklch(0.42 0.02 248);
  --line: oklch(0.86 0.015 84);
  --accent: oklch(0.61 0.15 47);
  --accent-deep: oklch(0.49 0.13 38);
  --accent-soft: oklch(0.91 0.05 58);
  --ok: oklch(0.67 0.16 146);
  --danger: oklch(0.6 0.2 24);
  --shadow-soft: 0 30px 80px rgba(74, 55, 20, 0.12);
}

body {
  font-family: "Hiragino Sans GB", "PingFang TC", "Noto Sans TC", "Microsoft JhengHei", sans-serif;
  background:
    radial-gradient(circle at top right, rgba(218, 164, 96, 0.18), transparent 28%),
    linear-gradient(180deg, oklch(0.985 0.012 86), oklch(0.955 0.018 80));
  color: var(--ink-body);
  margin: 0;
  min-height: 100vh;
  padding: 32px 20px 56px;
}

.ambient-shape {
  position: fixed;
  top: 0;
  left: 2%;
  height: 100%;
  z-index: -1;
  pointer-events: none;
  opacity: 0.9;
}

.register-shell {
  width: min(920px, 100%);
  margin: 0 auto;
  display: block;
}

.eyebrow,
.form-kicker,
.section-kicker {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-deep);
  font-weight: 700;
}

.action-copy strong {
  display: block;
  color: var(--ink-strong);
  font-size: 0.98rem;
  margin-bottom: 6px;
}

.action-copy span {
  display: block;
  line-height: 1.65;
}

.register-panel {
  padding: clamp(22px, 3vw, 34px);
  border-radius: 36px;
  background: linear-gradient(180deg, rgba(255,255,255,0.94), rgba(255,249,241,0.9));
  box-shadow:
    0 26px 70px rgba(74, 55, 20, 0.12),
    inset 0 1px 0 rgba(255,255,255,0.85);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(198, 178, 145, 0.14);
}

form {
  width: 100%;
  display: grid;
  gap: 24px;
}

.form-intro,
.form-actions {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: end;
}

.form-intro h2 {
  margin: 0;
  color: var(--ink-strong);
  font-size: clamp(1.9rem, 3vw, 2.6rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
}

.form-intro > div:first-child {
  max-width: 34rem;
}

.form-kicker {
  margin-bottom: 12px;
}

.form-intro > div:first-child::after {
  content: "把必要資料一次填好，我們會立刻進入後續審核。";
  display: block;
  margin-top: 14px;
  font-size: 0.98rem;
  line-height: 1.7;
  color: var(--ink-body);
}

.required-tip {
  flex: 0 0 auto;
  display: inline-flex;
  gap: 8px;
  align-items: center;
  padding: 10px 14px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-deep);
  font-size: 0.95rem;
  font-weight: 700;
}

.required-tip span {
  color: var(--danger);
}

.status-card {
  padding: 18px 20px;
  border-radius: 22px;
  background: linear-gradient(145deg, rgba(255,252,246,0.98), rgba(247,241,229,0.9));
  border: 1px solid rgba(188, 158, 111, 0.25);
  margin-bottom: 4px;
}

.status-card-title {
  font-size: 0.96rem;
  font-weight: 800;
  color: var(--ink-strong);
}

.status-card-text {
  margin: 8px 0 0;
  line-height: 1.6;
}

.status-list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.status-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink-body);
}

.status-list li::before {
  content: "•";
  width: 22px;
  height: 22px;
  border-radius: 999px;
  display: inline-grid;
  place-items: center;
  background: rgba(173, 149, 107, 0.12);
  color: var(--accent-deep);
  font-weight: 800;
}

.status-list li[data-state="done"]::before {
  content: "✓";
  background: rgba(95, 186, 122, 0.16);
  color: var(--ok);
}

.form-section {
  padding: 24px;
  border-radius: 24px;
  background: var(--panel-bg);
  border: 1px solid rgba(198, 178, 145, 0.18);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.9);
}

.section-heading {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 12px;
}

.section-heading h3 {
  margin: 0;
  color: var(--ink-strong);
  font-size: 1.24rem;
}

.section-heading p:last-child {
  margin: 0;
  line-height: 1.7;
  max-width: 58ch;
}

.field-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 18px;
}

.field-wrap {
  margin: 12px 0;
}

.field-wrap--full {
  grid-column: 1 / -1;
}

.field.float {
  position: relative;
}

.field.float .field-row {
  display: flex;
  gap: 10px;
  align-items: stretch;
}

.field.float .field-row input {
  flex: 1;
  width: auto;
}

.field.float input {
  width: 100%;
  padding: 20px 16px 12px;
  font-size: 16px;
  border: 1px solid var(--line);
  border-radius: 18px;
  outline: none;
  background: rgba(255,255,255,0.96);
  transition: border-color .15s ease, box-shadow .15s ease, background .15s ease;
}

.field.float input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(224, 167, 90, 0.16);
}

.field.float .field-label {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-30%);
  padding: 0 6px;
  font-size: 14px;
  color: rgba(0,0,0,.55);
  pointer-events: none;
  background: transparent;
  transition: all .15s ease;
  display: inline-flex;
  gap: 6px;
  align-items: center;
}

.field.float .field-label .req {
  color: var(--danger);
  font-weight: 700;
}

.field.float input:placeholder-shown ~ .field-label {
  top: 50%;
  transform: translateY(-30%);
  font-size: 14px;
  background: transparent;
}

.field.float input:focus ~ .field-label,
.field.float input:not(:placeholder-shown) ~ .field-label {
  top: 0;
  transform: translateY(-30%);
  font-size: 12px;
  color: var(--accent-deep);
  background: var(--panel-bg);
}

.field-wrap.has-error .field.float input,
.field.float input.is-invalid {
  border-color: rgba(219, 91, 66, 0.7);
  background: rgba(255, 247, 243, 0.95);
}

.domain-suffix {
  flex: 0 0 auto;
  padding: 19px 16px 11px;
  margin-top: 6px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(243, 238, 226, 0.95);
  color: rgba(0,0,0,.55);
  white-space: nowrap;
  pointer-events: none;
}

.pwd-eye {
  flex: 0 0 56px;
  padding: 12px 18px;
  margin-top: 6px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(243, 238, 226, 0.95);
  cursor: pointer;
}

.verify-btn {
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(255, 220, 167, 0.95), rgba(234, 179, 96, 0.95));
  font-weight: 800;
  cursor: pointer;
  white-space: nowrap;
  color: var(--ink-strong);
  font-size: 15px;
  flex: 0 0 auto;
  padding: 15px 18px;
  margin-top: 6px;
  width: unset;
  border: 0;
  box-shadow: 0 12px 24px rgba(177, 129, 52, 0.18);
}

.verify-btn:disabled {
  opacity: .48;
  cursor: not-allowed;
  box-shadow: none;
}

.field-wrap .field-hint {
  margin-top: 8px;
  color: var(--danger);
  font-size: 0.92em;
  line-height: 1.55;
  min-height: 1.4em;
}

.field-wrap .field-hint.small {
  font-size: 12px;
}

.field-wrap .field-hint[data-state="success"] {
  color: var(--ok);
}

.action-copy {
  max-width: 34ch;
}

.form-actions {
  margin-top: 6px;
  padding-top: 6px;
}

form button[type="submit"] {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 210px;
  padding: 16px 28px;
  font-size: 16px;
  font-weight: 700;
  color: #fff8ec;
  border: none;
  border-radius: 999px;
  transition: transform 0.22s ease, box-shadow 0.22s ease, opacity 0.22s ease, background 0.22s ease;
  background: linear-gradient(135deg, rgba(182, 145, 79, 0.45), rgba(114, 102, 77, 0.35));
  cursor: not-allowed;
  box-shadow: none;
}

form button[type="submit"].enable {
  background: linear-gradient(135deg, var(--accent), var(--accent-deep));
  cursor: pointer;
  box-shadow: 0 18px 36px rgba(166, 111, 38, 0.28);
}

form button[type="submit"].enable:hover {
  transform: translateY(-1px);
  box-shadow: 0 22px 42px rgba(166, 111, 38, 0.32);
}

#resultMessage {
  text-align: left;
  margin: 12px 2px 0;
  font-weight: 600;
  color: var(--danger);
  min-height: 1.4em;
}

.msg {
  margin: 0 auto 16px;
  text-align: center;
  color: var(--ink-strong);
  width: fit-content;
  padding: 10px 16px;
  border-radius: 999px;
  background: rgba(255, 247, 226, 0.9);
}

@media (max-width: 980px) {
  .register-shell {
    width: min(760px, 100%);
  }

  .field-grid {
    grid-template-columns: 1fr;
  }

  .form-actions,
  .form-intro {
    flex-direction: column;
    align-items: start;
  }
}

@media (max-width: 640px) {
  body {
    padding: 14px 12px 32px;
  }

  .register-panel,
  .form-section {
    border-radius: 24px;
  }

  .register-panel {
    padding: 18px;
  }

  .form-section {
    padding: 18px;
  }

  .field.float .field-row {
    flex-wrap: wrap;
  }

  .verify-btn,
  .domain-suffix,
  .pwd-eye,
  form button[type="submit"] {
    width: 100%;
  }
}