:root {
  --bg-0: #0a1020;
  --bg-1: #141f35;
  --surface: rgba(255, 255, 255, 0.88);
  --surface-2: rgba(255, 255, 255, 0.72);
  --primary: #ff6b35;
  --primary-strong: #e94822;
  --ok: #0a8f67;
  --text: #1c2433;
  --muted: #4f6078;
  --shadow: 0 20px 40px rgba(14, 23, 42, 0.25);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Noto Sans KR", sans-serif;
  color: var(--text);
  background: radial-gradient(circle at 15% 20%, #2f3f67 0%, transparent 40%),
    radial-gradient(circle at 90% 15%, #6a2d6a 0%, transparent 35%),
    linear-gradient(160deg, var(--bg-0), var(--bg-1));
  position: relative;
  overflow-x: hidden;
}

.bg-shape {
  position: fixed;
  border-radius: 999px;
  filter: blur(2px);
  opacity: 0.35;
  pointer-events: none;
}

.bg-shape-left {
  width: 280px;
  height: 280px;
  background: linear-gradient(145deg, #ff8964, #ff5d5d);
  left: -90px;
  top: -70px;
}

.bg-shape-right {
  width: 380px;
  height: 380px;
  background: linear-gradient(145deg, #8b94ff, #5ad4ff);
  right: -130px;
  bottom: -120px;
}

.container {
  width: min(1040px, calc(100% - 32px));
  margin: 28px auto 48px;
  display: grid;
  gap: 18px;
}

.hero,
.result-panel,
.card {
  border: 1px solid rgba(255, 255, 255, 0.42);
  backdrop-filter: blur(6px);
  box-shadow: var(--shadow);
}

.hero {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 18px;
  align-items: center;
  padding: 20px;
  border-radius: 22px;
  background: var(--surface);
}

.hero-logo {
  width: 100%;
  border-radius: 14px;
  border: 3px solid rgba(255, 255, 255, 0.7);
}

h1,
h2,
h3 {
  margin: 0;
  font-family: "Do Hyeon", sans-serif;
  letter-spacing: 0.2px;
}

h1 {
  font-size: clamp(1.7rem, 3vw, 2.4rem);
}

h2 {
  font-size: 1.45rem;
}

.hero-copy p,
.stamp {
  margin: 6px 0 0;
  color: var(--muted);
}

.progress-wrap {
  margin-top: 14px;
}

.progress-meta {
  display: flex;
  justify-content: space-between;
  font-weight: 700;
  font-size: 0.95rem;
}

.progress-track {
  height: 12px;
  background: rgba(0, 0, 0, 0.1);
  border-radius: 999px;
  overflow: hidden;
  margin-top: 7px;
}

.progress-bar {
  height: 100%;
  width: 0;
  border-radius: 999px;
  background: linear-gradient(90deg, #ff7f3f, #ffe067);
  transition: width 0.35s ease;
}

.result-panel {
  border-radius: 16px;
  padding: 16px 18px;
  background: var(--surface-2);
}

#result-text {
  margin: 8px 0 0;
  font-weight: 700;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
}

#participants.cards {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.card {
  border-radius: 16px;
  background: var(--surface);
  padding: 14px;
  display: grid;
  gap: 8px;
}

.card-head {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 10px;
  align-items: center;
}

.char-avatar {
  width: 64px;
  height: 64px;
  border-radius: 12px;
  object-fit: cover;
  border: 1px solid rgba(28, 36, 51, 0.15);
  background: rgba(0, 0, 0, 0.08);
}

.card label {
  display: grid;
  gap: 6px;
  font-weight: 700;
}

.count-input {
  width: 100%;
  border: 1px solid rgba(24, 32, 52, 0.2);
  border-radius: 10px;
  padding: 10px;
  font-size: 1rem;
}

.save-btn {
  border: 0;
  border-radius: 10px;
  padding: 10px 12px;
  font-weight: 700;
  color: white;
  background: linear-gradient(135deg, var(--primary), var(--primary-strong));
  cursor: pointer;
}

.save-btn:disabled {
  opacity: 0.6;
  cursor: wait;
}

.danger-btn {
  border: 0;
  border-radius: 10px;
  padding: 10px 12px;
  font-weight: 700;
  color: white;
  background: linear-gradient(135deg, #5a5d66, #2e3140);
  cursor: pointer;
}

.danger-btn:disabled {
  opacity: 0.6;
  cursor: wait;
}

.search-grid {
  display: grid;
  grid-template-columns: 160px 190px 1fr 110px;
  gap: 10px;
  align-items: end;
}

.search-grid label {
  display: grid;
  gap: 6px;
  font-weight: 700;
}

.search-grid select,
.search-grid input {
  width: 100%;
  border: 1px solid rgba(24, 32, 52, 0.2);
  border-radius: 10px;
  padding: 10px;
  font-size: 1rem;
}

.search-panel {
  border-radius: 16px;
  padding: 16px 18px;
  background: var(--surface-2);
  border: 1px solid rgba(255, 255, 255, 0.42);
  backdrop-filter: blur(6px);
  box-shadow: var(--shadow);
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.row-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.timeline-list {
  margin: 6px 0 0;
  padding-left: 16px;
  display: grid;
  gap: 4px;
  color: var(--muted);
  font-size: 0.9rem;
}

.card.completed {
  outline: 2px solid rgba(10, 143, 103, 0.35);
}

.card.loser {
  outline: 2px solid rgba(233, 72, 34, 0.45);
  background: linear-gradient(180deg, rgba(255, 190, 160, 0.45), var(--surface));
}

@media (max-width: 680px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .hero-logo {
    max-width: 180px;
  }

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

  .section-header {
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
  }

  #participants.cards {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 1440px) {
  #participants.cards {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 1200px) {
  #participants.cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 920px) {
  #participants.cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}