/* ==========================================================
   2026 Curves 線上年中會《美好星勢力｜魔法我持續》
   夢幻魔法粉彩視覺 × 皮克敏式轉盤互動
   ========================================================== */

:root {
  /* 主視覺色票：星空紫 → 薰衣草 → 粉 → 薄荷 → 星光黃 */
  --c-indigo:     #4A3B75;
  --c-indigo-deep:#352a5c;
  --c-violet:     #7E6AC0;
  --c-lilac:      #B9A3E3;
  --c-lilac-soft: #D8CBF2;
  --c-pink:       #F4A9D2;
  --c-pink-soft:  #FBD3E8;
  --c-mint:       #9FE0D8;
  --c-mint-soft:  #CDF1EC;
  --c-yellow:     #FCE59A;
  --c-yellow-soft:#FFF3C4;
  --c-cream:      #FEFCFF;
  --c-magenta:    #D96BB0;

  --c-ink:        #423468;   /* 主要文字：深紫墨 */
  --c-ink-soft:   #6E60A0;   /* 次要文字 */
  --c-line:       rgba(94, 74, 150, 0.14);
  --c-shadow:     0 22px 46px -20px rgba(110, 86, 170, 0.42);
  --c-shadow-soft:0 10px 26px -12px rgba(94, 74, 150, 0.22);

  --font-round: 'Baloo 2', 'Noto Sans TC', 'PingFang TC', system-ui, sans-serif;
  --font-sans:  'Noto Sans TC', 'PingFang TC', system-ui, -apple-system, sans-serif;

  --radius-lg: 26px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --radius-pill: 999px;
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

html, body {
  margin: 0;
  padding: 0;
  font-family: var(--font-sans);
  color: var(--c-ink);
  background:
    radial-gradient(ellipse 90% 60% at 12% 8%,  rgba(249, 201, 224, 0.85) 0%, transparent 55%),
    radial-gradient(ellipse 80% 55% at 92% 14%, rgba(190, 240, 236, 0.75) 0%, transparent 55%),
    radial-gradient(ellipse 90% 60% at 85% 88%, rgba(216, 203, 242, 0.85) 0%, transparent 55%),
    radial-gradient(ellipse 90% 55% at 8% 92%,  rgba(255, 243, 196, 0.7) 0%, transparent 55%),
    linear-gradient(160deg, #EAD7F5 0%, #F6D6E8 32%, #DCE9F7 62%, #D6F0EC 100%);
  background-attachment: fixed;
  min-height: 100vh;
  min-height: 100dvh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body {
  padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
}

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

/* ----- 背景裝飾：雲朵、星光、星星 ----- */
.bg-decoration {
  position: fixed;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: 0;
}
.cloud {
  position: absolute;
  border-radius: 50%;
  background: radial-gradient(circle at 40% 35%, rgba(255,255,255,0.9), rgba(255,255,255,0.35) 60%, transparent 72%);
  filter: blur(2px);
  animation: drift 26s ease-in-out infinite;
}
.cloud-1 { top: 10%; left: -8%; width: 180px; height: 90px; opacity: 0.7; }
.cloud-2 { top: 62%; right: -10%; width: 220px; height: 110px; opacity: 0.55; animation-delay: 8s; }
@keyframes drift {
  0%, 100% { transform: translateX(0); }
  50%      { transform: translateX(30px); }
}

.sparkle, .star {
  position: absolute;
  animation: twinkle 3.4s ease-in-out infinite;
}
.sparkle {
  width: 14px; height: 14px;
  background:
    radial-gradient(circle, rgba(255,255,255,0.95) 0%, transparent 65%);
}
.sparkle::before, .sparkle::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(#fff, #fff);
  border-radius: 2px;
}
.sparkle::before { width: 2px; left: 50%; transform: translateX(-50%) scaleY(1.4); }
.sparkle::after  { height: 2px; top: 50%; transform: translateY(-50%) scaleX(1.4); }
.sparkle-1 { top: 16%; left: 12%; animation-delay: 0s; }
.sparkle-2 { top: 24%; right: 14%; animation-delay: 1s; transform: scale(0.7); }
.sparkle-3 { top: 54%; left: 8%;  animation-delay: 2s; transform: scale(0.9); }
.sparkle-4 { top: 72%; right: 16%; animation-delay: 0.6s; }
.sparkle-5 { top: 88%; left: 20%; animation-delay: 1.8s; transform: scale(0.6); }

.star {
  width: 8px; height: 8px;
  background: var(--c-yellow);
  border-radius: 50%;
  box-shadow: 0 0 10px 2px rgba(252, 229, 154, 0.8);
}
.star-1 { top: 30%; left: 24%; animation-delay: 1.2s; }
.star-2 { top: 46%; right: 22%; animation-delay: 2.4s; }
.star-3 { top: 80%; right: 30%; animation-delay: 0.4s; }

@keyframes twinkle {
  0%, 100% { opacity: 0.35; transform: scale(0.85); }
  50%      { opacity: 1; transform: scale(1.12); }
}

/* ----- App 容器 ----- */
.app {
  position: relative;
  z-index: 1;
  max-width: 480px;
  margin: 0 auto;
  padding: 20px 18px 40px;
}

/* ----- Hero ----- */
.hero {
  text-align: center;
  padding: 4px 0 22px;
}
.hero-visual {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--c-shadow), 0 0 0 1px rgba(255,255,255,0.6) inset;
  background: #d8cbf2;
  line-height: 0;
  animation: heroIn .8s cubic-bezier(0.22, 1, 0.36, 1);
}
.hero-visual img {
  width: 100%;
  height: auto;
  display: block;
}
@keyframes heroIn {
  0%   { opacity: 0; transform: translateY(-12px) scale(0.98); }
  100% { opacity: 1; transform: translateY(0) scale(1); }
}

/* ----- 步驟 ----- */
.steps {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin: 26px auto 26px;
  padding: 14px 14px;
  background: rgba(255, 255, 255, 0.66);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: var(--radius-pill);
  box-shadow: var(--c-shadow-soft);
}
.step {
  display: flex;
  align-items: center;
  gap: 7px;
  opacity: 0.4;
  transition: opacity .3s ease;
}
.step.active   { opacity: 1; }
.step.complete { opacity: 1; }
.step-num {
  width: 26px; height: 26px;
  border-radius: 50%;
  display: grid; place-items: center;
  font-size: 13px; font-weight: 800;
  font-family: var(--font-round);
  background: linear-gradient(135deg, var(--c-pink), var(--c-magenta));
  color: #fff;
  box-shadow: 0 4px 10px -4px var(--c-magenta);
}
.step.complete .step-num {
  background: linear-gradient(135deg, var(--c-lilac), var(--c-violet));
  box-shadow: 0 4px 10px -4px var(--c-violet);
}
.step-label {
  font-size: 11.5px;
  letter-spacing: 0.04em;
  font-weight: 700;
  color: var(--c-ink);
}
.step-divider {
  width: 12px; height: 1px;
  background: linear-gradient(90deg, transparent, var(--c-line), transparent);
}

/* ----- Card 通用 ----- */
.card {
  position: relative;
  background: var(--c-cream);
  border-radius: var(--radius-lg);
  padding: 32px 24px 26px;
  box-shadow: var(--c-shadow);
  border: 1px solid rgba(255, 255, 255, 0.9);
  margin-bottom: 22px;
  overflow: hidden;
  animation: cardIn .6s cubic-bezier(0.22, 1, 0.36, 1);
}
.card::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 0% 0%, rgba(249, 211, 232, 0.5), transparent 45%),
    radial-gradient(circle at 100% 100%, rgba(205, 241, 236, 0.5), transparent 45%);
  pointer-events: none;
}
@keyframes cardIn {
  0%   { opacity: 0; transform: translateY(20px) scale(0.98); }
  100% { opacity: 1; transform: translateY(0) scale(1); }
}

.card-icon {
  width: 56px; height: 56px;
  border-radius: 18px;
  display: grid; place-items: center;
  margin: 0 auto 18px;
  background: linear-gradient(135deg, #F9D3E8, #D8CBF2);
  color: var(--c-violet);
  box-shadow: 0 8px 18px -8px rgba(126, 106, 192, 0.5);
  position: relative;
}
.card-icon svg { width: 28px; height: 28px; }

.card-title {
  margin: 0 0 12px;
  text-align: center;
  font-family: var(--font-round);
  font-size: 21px;
  font-weight: 800;
  letter-spacing: 0.04em;
  color: var(--c-indigo);
}
.card-desc {
  margin: 0 0 22px;
  text-align: center;
  font-size: 14px;
  line-height: 1.9;
  color: var(--c-ink-soft);
  letter-spacing: 0.02em;
}
.card-desc strong {
  color: var(--c-magenta);
  font-weight: 700;
}

/* ----- 表單欄位 ----- */
.field {
  position: relative;
  z-index: 1;
  margin-bottom: 18px;
}
.field-label {
  display: block;
  margin-bottom: 8px;
  padding-left: 4px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--c-ink);
}
.field-label .required {
  color: var(--c-magenta);
  margin-left: 2px;
}
.field-input {
  display: block;
  width: 100%;
  padding: 14px 18px;
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 500;
  color: var(--c-ink);
  background: rgba(255, 255, 255, 0.9);
  border: 1.5px solid var(--c-line);
  border-radius: var(--radius-md);
  outline: none;
  transition: border-color .2s ease, box-shadow .2s ease, background .2s ease;
  -webkit-appearance: none;
  appearance: none;
  letter-spacing: 0.04em;
}
.field-input::placeholder {
  color: rgba(110, 96, 160, 0.45);
  font-weight: 400;
}
.field-input:hover { border-color: var(--c-lilac); }
.field-input:focus {
  border-color: var(--c-violet);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(126, 106, 192, 0.14);
}
.field-input.is-valid {
  border-color: var(--c-mint);
  background: linear-gradient(135deg, #fff, #F0FBF8);
}
.field-hint {
  margin: 8px 4px 0;
  font-size: 11px;
  letter-spacing: 0.05em;
  color: var(--c-ink-soft);
}
.field-input.shake {
  animation: shake 0.45s cubic-bezier(0.36, 0.07, 0.19, 0.97);
  border-color: var(--c-magenta);
}
@keyframes shake {
  10%, 90% { transform: translateX(-2px); }
  20%, 80% { transform: translateX(3px); }
  30%, 50%, 70% { transform: translateX(-5px); }
  40%, 60% { transform: translateX(5px); }
}

/* ----- 按鈕 ----- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 16px 20px;
  border: none;
  border-radius: var(--radius-pill);
  font-family: var(--font-round);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.1em;
  cursor: pointer;
  text-decoration: none;
  transition: transform .15s ease, box-shadow .25s ease, opacity .2s ease;
  position: relative;
  z-index: 1;
}
.btn:active { transform: scale(0.97); }

.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, #F4A9D2 0%, #D96BB0 55%, #9B6FD0 100%);
  box-shadow: 0 12px 24px -10px rgba(155, 111, 208, 0.65),
              inset 0 1px 0 rgba(255, 255, 255, 0.35);
}
.btn-primary:hover { box-shadow: 0 16px 30px -10px rgba(155, 111, 208, 0.8); }

.btn-lilac {
  color: #fff;
  background: linear-gradient(135deg, #B9A3E3 0%, #7E6AC0 100%);
  box-shadow: 0 12px 24px -10px rgba(126, 106, 192, 0.6),
              inset 0 1px 0 rgba(255, 255, 255, 0.3);
}
.btn-lilac:hover { box-shadow: 0 16px 30px -10px rgba(126, 106, 192, 0.75); }

.btn-ghost {
  color: var(--c-ink-soft);
  background: transparent;
  border: 1.5px dashed var(--c-line);
  margin-top: 14px;
}
.btn-ghost:not(:disabled) {
  color: var(--c-violet);
  border-color: var(--c-lilac);
  border-style: solid;
  background: rgba(216, 203, 242, 0.3);
}
.btn:disabled,
.btn.disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none !important;
  pointer-events: none;
}

.form-hint {
  margin: 8px 4px 0;
  font-size: 12px;
  color: var(--c-violet);
  letter-spacing: 0.04em;
  line-height: 1.7;
  font-weight: 500;
  min-height: 1em;
}

/* ----- 魔法轉盤 ----- */
.card-wheel { padding-top: 40px; }

.ribbon {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--c-lilac), var(--c-violet));
  color: #fff;
  font-size: 12px;
  font-weight: 800;
  font-family: var(--font-round);
  letter-spacing: 0.28em;
  padding: 6px 22px;
  border-radius: 0 0 12px 12px;
  box-shadow: 0 6px 14px -6px rgba(126, 106, 192, 0.6);
}

.wheel-stage {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 320px;
  margin: 10px auto 6px;
  aspect-ratio: 1 / 1;
}

/* 指針（頂端向下箭頭） */
.wheel-pointer {
  position: absolute;
  top: -6px;
  left: 50%;
  transform: translateX(-50%);
  width: 0; height: 0;
  border-left: 15px solid transparent;
  border-right: 15px solid transparent;
  border-top: 26px solid #fff;
  filter: drop-shadow(0 4px 6px rgba(94, 74, 150, 0.4));
  z-index: 6;
}
.wheel-pointer::after {
  content: '';
  position: absolute;
  top: -30px; left: 50%;
  transform: translateX(-50%);
  width: 20px; height: 20px;
  border-radius: 50%;
  background: linear-gradient(135deg, #FCE59A, #F4A9D2);
  box-shadow: 0 2px 8px rgba(217, 107, 176, 0.5);
}

.wheel-canvas-wrap {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  padding: 8px;
  background: linear-gradient(135deg, #ffffff, #F9D3E8 45%, #D8CBF2);
  box-shadow:
    0 18px 40px -16px rgba(126, 106, 192, 0.55),
    inset 0 0 0 2px rgba(255, 255, 255, 0.9);
}
.wheel-canvas {
  width: 100%;
  height: 100%;
  display: block;
  border-radius: 50%;
  transform: rotate(0deg);
  transition: none;
}
.wheel-canvas.spinning {
  transition: transform 5s cubic-bezier(0.16, 0.84, 0.3, 1);
}

/* 中央魔法星鈕 */
.wheel-hub {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 30%;
  aspect-ratio: 1 / 1;
  border: none;
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1px;
  cursor: pointer;
  color: #fff;
  font-family: var(--font-round);
  background: radial-gradient(circle at 35% 30%, #ffffff 0%, #F9C9E0 22%, #D96BB0 70%, #9B6FD0 100%);
  box-shadow:
    0 8px 18px -6px rgba(155, 111, 208, 0.7),
    inset 0 2px 4px rgba(255, 255, 255, 0.6),
    0 0 0 5px rgba(255, 255, 255, 0.85);
  z-index: 5;
  transition: transform .15s ease, box-shadow .2s ease;
  animation: hubPulse 2.2s ease-in-out infinite;
}
.wheel-hub:active { transform: translate(-50%, -50%) scale(0.94); }
.wheel-hub:disabled {
  cursor: default;
  animation: none;
  filter: saturate(0.7) brightness(0.98);
}
.wheel-hub-star {
  font-size: 16px;
  line-height: 1;
  filter: drop-shadow(0 1px 2px rgba(126, 46, 120, 0.4));
}
.wheel-hub-text {
  font-size: 13px;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: 0.06em;
  text-shadow: 0 1px 2px rgba(126, 46, 120, 0.35);
}
@keyframes hubPulse {
  0%, 100% { box-shadow: 0 8px 18px -6px rgba(155,111,208,0.7), inset 0 2px 4px rgba(255,255,255,0.6), 0 0 0 5px rgba(255,255,255,0.85); }
  50%      { box-shadow: 0 8px 22px -6px rgba(155,111,208,0.85), inset 0 2px 4px rgba(255,255,255,0.6), 0 0 0 9px rgba(255,255,255,0.55); }
}

/* 皮克敏式小夥伴 */
.buddy-crew {
  position: absolute;
  bottom: -14px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: flex-end;
  gap: 10px;
  z-index: 4;
}
.buddy {
  position: relative;
  width: 22px; height: 30px;
  border-radius: 50% 50% 46% 46% / 60% 60% 40% 40%;
  animation: bob 2.4s ease-in-out infinite;
}
.buddy::before { /* 眼睛 */
  content: '';
  position: absolute;
  top: 42%; left: 50%;
  transform: translateX(-50%);
  width: 11px; height: 5px;
  background:
    radial-gradient(circle 2px at 3px 2.5px, #3a2b55 60%, transparent 62%),
    radial-gradient(circle 2px at 8px 2.5px, #3a2b55 60%, transparent 62%);
}
.buddy::after { /* 頭上星星 */
  content: '✦';
  position: absolute;
  top: -12px; left: 50%;
  transform: translateX(-50%);
  font-size: 12px;
  color: var(--c-yellow);
  filter: drop-shadow(0 1px 2px rgba(217, 107, 176, 0.5));
}
.buddy-pink  { background: linear-gradient(160deg, #F9C9E0, #F4A9D2); animation-delay: 0s; }
.buddy-lilac { background: linear-gradient(160deg, #D8CBF2, #B9A3E3); animation-delay: .5s; height: 34px; }
.buddy-mint  { background: linear-gradient(160deg, #CDF1EC, #9FE0D8); animation-delay: 1s; }
@keyframes bob {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-5px); }
}

.wheel-hint {
  margin: 26px 0 0;
  text-align: center;
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--c-violet);
  animation: hintPulse 2s ease-in-out infinite;
}
.wheel-hint.hidden { display: none; }
@keyframes hintPulse {
  0%, 100% { opacity: 0.8; transform: translateY(0); }
  50%      { opacity: 1; transform: translateY(-2px); }
}

/* ----- Modal ----- */
.modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  padding: 24px;
}
.modal.hidden { display: none; }

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(52, 42, 92, 0.55);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  animation: fadeIn .3s ease;
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.modal-card {
  position: relative;
  width: 100%;
  max-width: 360px;
  background: var(--c-cream);
  border-radius: var(--radius-lg);
  padding: 32px 26px 28px;
  text-align: center;
  box-shadow: 0 30px 60px -20px rgba(52, 42, 92, 0.5);
  animation: modalIn .5s cubic-bezier(0.34, 1.56, 0.64, 1);
  overflow: hidden;
}
@keyframes modalIn {
  0%   { opacity: 0; transform: translateY(20px) scale(0.9); }
  100% { opacity: 1; transform: translateY(0) scale(1); }
}

.modal-decor {
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: conic-gradient(
    from 0deg,
    transparent 0deg,
    rgba(252, 229, 154, 0.18) 30deg,
    transparent 60deg,
    rgba(249, 201, 224, 0.18) 90deg,
    transparent 120deg,
    rgba(159, 224, 216, 0.18) 150deg,
    transparent 180deg,
    rgba(216, 203, 242, 0.18) 210deg,
    transparent 240deg,
    rgba(252, 229, 154, 0.18) 270deg,
    transparent 300deg,
    rgba(249, 201, 224, 0.18) 330deg,
    transparent 360deg
  );
  animation: spin 12s linear infinite;
  pointer-events: none;
}
.modal-card.is-lose .modal-decor { display: none; }
@keyframes spin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

.modal-icon {
  font-size: 64px;
  line-height: 1;
  margin-bottom: 12px;
  filter: drop-shadow(0 8px 16px rgba(155, 111, 208, 0.35));
  position: relative;
}

.modal-title {
  margin: 0 0 10px;
  font-family: var(--font-round);
  font-size: 26px;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: var(--c-magenta);
  position: relative;
  line-height: 1.4;
}
.modal-card.is-lose .modal-title {
  color: var(--c-ink-soft);
  letter-spacing: 0.14em;
}
.modal-title .modal-name {
  display: inline-block;
  margin: 0 4px;
  padding: 2px 12px;
  background: linear-gradient(135deg, #F9D3E8, #E8CFF2 50%, #D6F0EC);
  border-radius: var(--radius-pill);
  font-size: 22px;
  letter-spacing: 0.06em;
  color: var(--c-violet);
  box-shadow: inset 0 -2px 0 rgba(126, 106, 192, 0.3);
  vertical-align: 0;
  max-width: 100%;
  word-break: break-all;
}
.modal-card.is-lose .modal-title .modal-name {
  background: linear-gradient(135deg, #EFE8F5, #E5DEF0);
  color: var(--c-ink);
  box-shadow: inset 0 -2px 0 rgba(110, 96, 160, 0.3);
}

.modal-desc {
  margin: 0 0 20px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-ink-soft);
  position: relative;
  letter-spacing: 0.04em;
}
.modal-desc strong {
  color: var(--c-magenta);
  font-weight: 800;
}
.modal-note {
  display: inline-block;
  margin-top: 4px;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  background: rgba(252, 229, 154, 0.32);
  border: 1px solid rgba(217, 107, 176, 0.28);
  font-size: 12px;
  line-height: 1.6;
  color: var(--c-ink);
  letter-spacing: 0.02em;
}

.modal-serial {
  display: inline-block;
  margin: 0 auto 20px;
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  background: linear-gradient(135deg, #F6E9FB, #EAD9F2);
  border: 1px dashed var(--c-lilac);
  color: var(--c-violet);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.18em;
  position: relative;
}
.modal-serial.hidden { display: none; }

/* ----- Modal 手機號碼欄位 ----- */
.modal-phone {
  position: relative;
  margin: 0 0 18px;
  text-align: left;
}
.modal-phone.hidden { display: none; }
.modal-phone-label {
  display: block;
  margin-bottom: 8px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--c-ink);
  text-align: center;
}
.modal-phone-label .required { color: var(--c-magenta); margin-left: 2px; }
.modal-phone-input {
  display: block;
  width: 100%;
  padding: 13px 16px;
  font-family: var(--font-sans);
  font-size: 17px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-align: center;
  color: var(--c-ink);
  background: rgba(255, 255, 255, 0.95);
  border: 1.5px solid var(--c-lilac);
  border-radius: var(--radius-md);
  outline: none;
  -webkit-appearance: none;
  appearance: none;
  transition: border-color .2s ease, box-shadow .2s ease, background .2s ease;
}
.modal-phone-input::placeholder { color: rgba(110, 96, 160, 0.4); font-weight: 400; letter-spacing: 0.1em; }
.modal-phone-input:focus {
  border-color: var(--c-magenta);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(217, 107, 176, 0.14);
}
.modal-phone-input.is-valid {
  border-color: var(--c-mint);
  background: linear-gradient(135deg, #fff, #F0FBF8);
  color: var(--c-ink);
}
/* 已送出並鎖定：灰底，表示完成不可再編輯 */
.modal-phone-input.is-locked {
  border-color: #C9C4D6;
  background: #EDEBF2;
  color: var(--c-ink-soft);
  box-shadow: none;
  cursor: default;
}
.modal-phone-input.shake {
  animation: shake 0.45s cubic-bezier(0.36, 0.07, 0.19, 0.97);
  border-color: var(--c-magenta);
}
.modal-phone-hint {
  margin: 8px 2px 0;
  font-size: 12px;
  line-height: 1.6;
  letter-spacing: 0.02em;
  color: var(--c-ink-soft);
  text-align: center;
}
.modal-phone-hint.is-error { color: var(--c-magenta); font-weight: 700; }

.modal-btn { position: relative; }
/* 手機送出後的「完成」鈕：改為薄荷→薰衣草色，與「送出手機號碼」的粉紫主色區隔 */
.modal-btn.is-done {
  background: linear-gradient(135deg, var(--c-mint) 0%, #8FB8D8 55%, var(--c-violet) 100%);
  box-shadow: 0 12px 24px -10px rgba(126, 106, 192, 0.6),
              inset 0 1px 0 rgba(255, 255, 255, 0.35);
}
.modal-btn.is-done:hover { box-shadow: 0 16px 30px -10px rgba(126, 106, 192, 0.75); }

/* ----- Confetti ----- */
.confetti-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 99;
}

/* ----- 共用 ----- */
.hidden { display: none !important; }

/* ----- Footer ----- */
.footer {
  text-align: center;
  margin-top: 32px;
  padding: 20px 0 10px;
  border-top: 1px dashed var(--c-line);
}
.footer-brand {
  margin: 0 0 6px;
  font-size: 12px;
  font-weight: 800;
  font-family: var(--font-round);
  letter-spacing: 0.24em;
  color: var(--c-violet);
}
.footer-tagline {
  margin: 0 0 8px;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--c-ink-soft);
  line-height: 1.7;
}
.footer-text {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--c-ink-soft);
  opacity: 0.7;
}

/* ----- 響應式微調 ----- */
@media (max-width: 360px) {
  .card { padding: 28px 20px 22px; }
  .step-label { font-size: 11px; }
  .wheel-hub-text { font-size: 12px; }
}

@media (min-width: 481px) {
  .app { padding-top: 34px; }
}

/* ----- Reduce motion ----- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
  .wheel-canvas.spinning { transition: transform 3s ease-out; }
}