/* 후원 페이지 전용 스타일 — 단일 카드 중심의 깔끔한 구조 */

.sponsor-page {
  max-width: 960px;
  width: 92%;
  margin: 28px auto 56px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* Hero */
.sponsor-hero { text-align: center; padding: 24px 16px 8px; }
.sponsor-hero-badge {
  display: inline-block;
  padding: 6px 14px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.04em;
  color: var(--brand);
  background: rgba(90, 162, 255, 0.12);
  border-radius: 999px;
  margin-bottom: 16px;
}
.sponsor-hero-title {
  margin: 0 0 14px;
  font-size: 32px;
  letter-spacing: -0.02em;
  color: var(--text);
  font-weight: 800;
  line-height: 1.2;
}
.sponsor-hero-desc {
  margin: 0 auto;
  max-width: 480px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--muted);
}
.sponsor-hero-desc strong { color: var(--text); font-weight: 700; }

/* Toss card */
.sponsor-toss {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 32px 28px 28px;
  box-shadow: 0 24px 48px -28px rgba(16, 24, 40, 0.22);
  display: flex;
  flex-direction: column;
  gap: 28px;
  align-items: center;
  position: relative;
  overflow: hidden;
}
.sponsor-toss::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 4px;
  background: linear-gradient(90deg, #0064FF 0%, #5AA2FF 100%);
}
.sponsor-toss-info {
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: center;
  text-align: center;
}
.sponsor-toss-qr {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.sponsor-toss-title {
  margin: 0;
  font-size: 20px;
  font-weight: 800;
  color: var(--text);
}
.sponsor-toss-sub {
  margin: 0;
  font-size: 14px;
  color: var(--muted);
  line-height: 1.6;
}

/* 금액 pill — 3열 그리드 (2행 × 3개) */
.sponsor-amounts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  width: 100%;
  max-width: 380px;
}
.sponsor-amount-pill {
  appearance: none;
  border: 1.5px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  font-weight: 700;
  padding: 9px 12px;
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.16s ease;
  white-space: nowrap;
}
.sponsor-amount-pill:hover {
  border-color: #0064FF;
  color: #0064FF;
}
.sponsor-amount-pill.is-active {
  background: #0064FF;
  border-color: #0064FF;
  color: #ffffff;
  box-shadow: 0 6px 16px -6px rgba(0, 100, 255, 0.55);
}
.sponsor-amount-pill-unit { margin-left: 1px; font-size: 12px; opacity: 0.85; }

/* QR */
.sponsor-qr {
  display: block;
  width: 320px;
  height: 320px;
  border-radius: 16px;
  background: #ffffff;
  transition: opacity 0.16s ease, transform 0.16s ease;
}
.sponsor-qr.is-swapping { opacity: 0.4; transform: scale(0.98); }
.sponsor-qr-hint { margin: 0; font-size: 13px; color: var(--muted); }

/* Bank section — compact horizontal bar */
.sponsor-bank {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px 22px;
}
.sponsor-bank-head { margin-bottom: 14px; }
.sponsor-bank-title { margin: 0 0 2px; font-size: 16px; font-weight: 800; color: var(--text); }
.sponsor-bank-sub { margin: 0; font-size: 13px; color: var(--muted); }

.sponsor-bank-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 18px;
}
.sponsor-bank-field {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}
.sponsor-bank-field-grow { flex: 1 1 auto; }
.sponsor-bank-label {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.04em;
  color: var(--muted);
  text-transform: uppercase;
}
.sponsor-bank-value {
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
  word-break: break-all;
  font-variant-numeric: tabular-nums;
}

.sponsor-copy-btn {
  appearance: none;
  margin-left: auto;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--brand);
  font-size: 13px;
  font-weight: 700;
  padding: 8px 14px;
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease;
}
.sponsor-copy-btn:hover {
  background: rgba(90, 162, 255, 0.12);
  border-color: var(--brand);
}
.sponsor-bank-toast {
  margin: 12px 0 0;
  padding: 9px 12px;
  background: rgba(34, 197, 94, 0.14);
  color: #15803d;
  border-radius: 10px;
  font-size: 13px;
  font-weight: 700;
  text-align: center;
}
.sponsor-bank-toast[hidden] { display: none; }
.dark .sponsor-bank-toast { color: #4ade80; }

/* Thanks — 개인적인 톤의 카드 */
.sponsor-thanks {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 22px 22px 20px;
}
.sponsor-thanks-greeting { margin: 0 0 8px; font-size: 15px; color: var(--text); font-weight: 700; }
.sponsor-thanks-greeting strong { color: var(--brand); }
.sponsor-thanks-body { margin: 0 0 16px; font-size: 14px; line-height: 1.7; color: var(--muted); }

.sponsor-usage-list {
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}
.sponsor-usage-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 13px;
  color: var(--text);
}
.sponsor-usage-list li > span { font-size: 16px; line-height: 1; flex-shrink: 0; }

.sponsor-thanks-footer {
  margin: 0;
  padding-top: 14px;
  border-top: 1px solid var(--border);
  font-size: 13px;
  color: var(--muted);
}
.sponsor-thanks-footer a { color: var(--brand); text-decoration: none; font-weight: 700; }
.sponsor-thanks-footer a:hover { text-decoration: underline; }

/* Desktop: 토스 카드 좌우 분할 (좌: 텍스트·금액·링크, 우: QR) */
@media (min-width: 720px) {
  .sponsor-toss {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 36px;
    padding: 36px 36px 32px;
  }
  .sponsor-toss-info {
    align-items: flex-start;
    text-align: left;
    flex: 1 1 auto;
    min-width: 0;
  }
  .sponsor-toss-info .sponsor-amounts { justify-content: flex-start; }
}

@media (max-width: 560px) {
  .sponsor-hero { padding: 16px 12px 4px; }
  .sponsor-hero-title { font-size: 26px; }
  .sponsor-toss { padding: 22px 16px 16px; }
  .sponsor-bank, .sponsor-thanks { padding: 18px 16px; }
  .sponsor-qr { width: 260px; height: 260px; }
  .sponsor-amount-pill { padding: 8px 10px; font-size: 13px; }
  .sponsor-usage-list { grid-template-columns: 1fr; }
  .sponsor-bank-row { gap: 12px; }
  .sponsor-copy-btn { width: 100%; margin-left: 0; margin-top: 4px; }
}