:root {
  --bg-1: #f6f1e8;
  --bg-2: #efe5d2;
  --paper: rgba(255, 251, 245, 0.9);
  --line: rgba(120, 84, 36, 0.18);
  --text: #3d2b1f;
  --muted: #8f7660;
  --accent-2: #8e4b0f;
  --shadow: 0 20px 50px rgba(68, 42, 17, 0.12);
  --radius-xl: 26px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  min-height: 100vh;
  font-family:
    "Noto Sans TC",
    "Microsoft JhengHei",
    "PingFang TC",
    "Segoe UI",
    sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.6), transparent 30%),
    linear-gradient(180deg, var(--bg-1), var(--bg-2));
}

a {
  color: var(--accent-2);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.page-shell {
  width: min(1120px, calc(100% - 32px));
  margin: 20px auto 40px;
}

.top-back {
  margin-bottom: 14px;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 700;
}

.register-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: var(--paper);
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
}

.register-header {
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.65), rgba(255, 248, 238, 0.92));
}

.header-kicker {
  padding: 12px 6px 6px;
  text-align: center;
  font-size: 16px;
  font-weight: 900;
  letter-spacing: 0.18em;
  color: #2e2118;
}

.header-band {
  padding: 18px 20px;
  text-align: center;
  color: #fff;
  background: linear-gradient(135deg, #c86a0f, #a9560b);
  border-top: 1px solid rgba(255, 255, 255, 0.35);
  border-bottom: 1px solid rgba(94, 46, 7, 0.22);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.25);
}

.header-band h1 {
  margin: 0;
  font-size: 16px;
  font-weight: 900;
  letter-spacing: 0.06em;
}

.header-meta {
  padding: 6px 12px 12px;
  text-align: right;
  font-size: 14px;
  font-weight: 700;
  color: var(--muted);
}

.main-form-section {
  padding: 20px 20px 24px;
}

.form-vertical,
.form-compact {
  display: flex;
  flex-direction: column;
}

.form-vertical {
  gap: 12px;
}

.form-compact {
  gap: 8px;
}

.field-row {
  display: grid;
  grid-template-columns: 120px 1fr 400px;
  align-items: center;
  gap: 10px;
}

.field-label {
  text-align: center;
  font-size: 14px;
  font-weight: 800;
  color: #4c3426;
}

.field-row input[type="text"],
.field-row input[type="password"] {
  height: 38px;
  padding: 0 10px;
  font-size: 14px;
  color: var(--text);
  border: 1px solid #ddd;
  border-radius: 8px;
  background: rgba(245, 248, 252, 0.95);
}

.field-row input[type="text"]:focus,
.field-row input[type="password"]:focus {
  outline: none;
  border-color: rgba(201, 109, 20, 0.45);
  box-shadow: 0 0 0 4px rgba(201, 109, 20, 0.12);
}

.field-note {
  font-size: 12px;
  color: #888;
}

.gender-options {
  display: flex;
  align-items: center;
  gap: 16px;
}

.gender-options label {
  display: flex;
  align-items: center;
  gap: 4px;
  cursor: pointer;
}

.option-block {
  margin-top: 16px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.42);
}

.option-title {
  margin-bottom: 12px;
  font-size: 15px;
  font-weight: 900;
  letter-spacing: 0.05em;
  color: #5b3c22;
}

.chip-group {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.chip {
  position: relative;
  display: inline-flex;
  cursor: pointer;
}

.chip input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.chip span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 16px;
  font-size: 14px;
  font-weight: 800;
  color: #5f4634;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(136, 99, 66, 0.18);
  border-radius: 999px;
  box-shadow: 0 6px 14px rgba(62, 39, 14, 0.05);
  transition: all 0.2s ease;
}

.chip:hover span {
  transform: translateY(-1px);
  background: #fff;
  border-color: rgba(201, 109, 20, 0.35);
}

.chip input:checked + span {
  color: #fff;
  background: linear-gradient(135deg, #cd731d, #aa5a10);
  border-color: transparent;
  box-shadow:
    0 8px 18px rgba(169, 88, 14, 0.28),
    0 0 0 4px rgba(201, 109, 20, 0.12);
}

.icon-top-tools {
  margin-top: 16px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.6), rgba(255, 249, 241, 0.88));
}

.icon-help {
  font-size: 14px;
  font-weight: 700;
  line-height: 1.7;
  color: #6b5443;
}

.pager {
  margin-top: 8px;
  display: grid;
  grid-template-columns: repeat(20, 1fr); /* ← 20個一排 */
  gap: 4px;
}

.pager a {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 26px;
  border-radius: 6px;

  /* ⭐ 重點：讓所有按鈕一樣寬 */
  width: 100%;
  font-size: 12px;
  font-weight: 800;
  color: #8c4d14;
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid rgba(143, 105, 66, 0.18);
  border-radius: 999px;
  transition: all 0.2s ease;
}

.pager a.active {
  background: linear-gradient(135deg, #cd731d, #aa5a10);
  color: #fff;
  border-color: transparent;
  box-shadow:
    0 6px 14px rgba(169, 88, 14, 0.22),
    0 0 0 2px rgba(201, 109, 20, 0.10);
}

.pager a:hover {
  text-decoration: none;
  transform: translateY(-1px);
  background: #fff;
  border-color: rgba(201, 109, 20, 0.35);
  box-shadow: 0 4px 10px rgba(111, 67, 23, 0.08);
}

.pager a:hover {
  text-decoration: none;
  transform: translateY(-1px);
  background: #fff;
  border-color: rgba(201, 109, 20, 0.35);
  box-shadow: 0 4px 10px rgba(111, 67, 23, 0.08);
}

.pager a.active,
.pager a.active:hover {
  background: linear-gradient(135deg, #cd731d, #aa5a10);
  color: #fff;
  border-color: transparent;
  box-shadow:
    0 6px 14px rgba(169, 88, 14, 0.22),
    0 0 0 2px rgba(201, 109, 20, 0.10);
}

.icon-section {
  margin-top: 16px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.8), rgba(255, 250, 244, 0.92));
}

@media (max-width: 768px) {
  .pager {
    grid-template-columns: repeat(10, 1fr);
  }
}

.section-head {
  margin-bottom: 18px;
}

.section-head h2 {
  margin: 0 0 6px;
  font-size: 24px;
  color: #3a291d;
}

.icon-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 5px;
}

.avatar {
  --avatar-width: 40px;
  --avatar-height: 40px;

  display: grid;
  grid-template-columns: 55px 1fr; /* ← 固定圖片欄寬 */
  align-items: center;
  gap: 8px;
  padding: 1px 1px;
  border: 2px solid #ccc;
  border-radius: 8px;
  background: #fff;
  cursor: pointer;
  transition: 0.2s;
  height: 65px;        /* ← 直接限制卡片高度 */
  overflow: hidden;    /* 防止內容溢出 */
}

/* ⭐ 核心：寬高分開控制 */
.avatar img {
  box-sizing: content-box;
  width: var(--avatar-width);
  height: var(--avatar-height);
  
  border: 2px solid var(--avatar-border);
  border-radius: 6px;
  flex: 0 0 auto;
  justify-self: center;
}

.avatar input {
  display: none;
}

.avatar-name,
.avatar-meta {
  font-size: 12px;
  color: #555;
  white-space: nowrap;
}

.avatar-meta b {
  margin-right: 4px;
  color: #9b5513;
}

.avatar:hover {
  background: #fff7f2;
  transform: translateY(-1px);
}

/* ⭐ 選取狀態（整張卡片變色） */
.avatar:has(input:checked) {
  background: #fff2e6;
  border-color: #ff6600;
  box-shadow:
    0 0 0 3px rgba(255, 102, 0, 0.12),
    0 8px 18px rgba(255, 102, 0, 0.18);
}

/* ⭐ 圖片同步強化 */
.avatar:has(input:checked) img {
  border-color: #ff6600;
  box-shadow: 0 0 0 3px rgba(255, 102, 0, 0.15);
  transform: scale(1.03);
}

/* 文字強化 */
.avatar:has(input:checked) .avatar-meta {
  color: #8c430d;
  font-weight: 700;
}

.submit-wrap {
  display: flex;
  justify-content: flex-end;
  margin-top: 28px;
}

.submit-btn {
  min-width: 220px;
  height: 48px;
  padding: 0 28px;
  font-size: 16px;
  font-weight: 900;
  letter-spacing: 0.08em;
  color: #fff;
  cursor: pointer;
  background: linear-gradient(135deg, #c7721d, #9d5310);
  border: 0;
  border-radius: 999px;
  box-shadow:
    0 14px 26px rgba(138, 75, 18, 0.24),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
  transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;
}

.submit-btn:hover {
  transform: translateY(-2px);
  filter: brightness(1.04);
  box-shadow:
    0 18px 28px rgba(138, 75, 18, 0.28),
    inset 0 1px 0 rgba(255, 255, 255, 0.22);
}

.submit-btn:active {
  transform: translateY(0);
}

@media (max-width: 760px) {
  .page-shell {
    width: min(100% - 20px, 100%);
  }

  .main-form-section {
    padding: 20px 16px 24px;
  }

  .header-kicker {
    font-size: 22px;
    padding: 22px 14px 14px;
  }

  .header-band h1 {
    font-size: 22px;
    letter-spacing: 0.03em;
  }

  .header-meta {
    padding: 12px 16px 16px;
  }

  .icon-section {
    padding: 16px;
  }

  .icon-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .submit-wrap {
    justify-content: stretch;
  }

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

@media (max-width: 700px) {
  .field-row {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .field-label {
    text-align: left;
  }

  .gender-options {
    margin-top: 4px;
  }
}