:root {
  --bg: #f7f7f8;
  --surface: #ffffff;
  --text: #1a1a1a;
  --muted: #666;
  --border: #e2e2e5;
  --accent: #2f6fed;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #16171a;
    --surface: #1f2024;
    --text: #eaeaea;
    --muted: #9a9a9e;
    --border: #303136;
    --accent: #6ea1ff;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Pretendard", "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

.wrap {
  max-width: 1000px;
  margin: 0 auto;
  padding: 48px 20px 80px;
}

header.intro {
  margin-bottom: 48px;
}

.intro-top {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 12px;
}

.profile-photo {
  width: 76px;
  height: 76px;
  border-radius: 50%;
  object-fit: cover;
  object-position: top center;
  border: 2px solid var(--border);
  flex-shrink: 0;
}

header.intro h1 {
  font-size: 1.8rem;
  margin: 0 0 4px;
}

header.intro p.role {
  color: var(--muted);
  margin: 0 0 16px;
}

header.intro p.summary {
  max-width: 640px;
}

.tabs {
  display: flex;
  gap: 4px;
  margin: 28px 0 8px;
  border-bottom: 1px solid var(--border);
  overflow-x: auto;
}

.tab {
  appearance: none;
  border: none;
  background: none;
  font: inherit;
  font-size: 0.9rem;
  color: var(--muted);
  padding: 10px 14px;
  cursor: pointer;
  white-space: nowrap;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
}

.tab:hover {
  color: var(--text);
}

.tab.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
  font-weight: 600;
}

.category {
  margin-bottom: 40px;
}

.category h2 {
  font-size: 1.15rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 8px;
  margin-bottom: 20px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.card {
  background: var(--surface);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.08);
  display: flex;
  flex-direction: column;
  cursor: pointer;
}

.card:hover {
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.14);
}

.card:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.card-header {
  position: relative;
  padding: 30px 16px 14px;
  color: #fff;
}

.card-header.done {
  background: linear-gradient(90deg, #2fbf71, #1e9e5a);
}

.card-header.in-progress {
  background: linear-gradient(90deg, #ff9a44, #e8722c);
}

.card-header h3 {
  margin: 0;
  font-size: 1.1rem;
}

.card-header .status-pill,
.card-header .visibility-pill {
  position: absolute;
  top: 8px;
  font-size: 0.65rem;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.25);
  padding: 2px 8px;
  border-radius: 999px;
  white-space: nowrap;
}

.card-header .status-pill {
  left: 12px;
}

.card-header .visibility-pill {
  right: 12px;
}

.card-body {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1;
}

.screenshot-placeholder {
  height: 120px;
  border: 1px dashed var(--border);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  font-size: 0.85rem;
  background: repeating-linear-gradient(
    45deg,
    transparent,
    transparent 8px,
    rgba(128, 128, 128, 0.06) 8px,
    rgba(128, 128, 128, 0.06) 16px
  );
}

.screenshot {
  width: 100%;
  height: 120px;
  object-fit: cover;
  border-radius: 10px;
}

.card-content {
  border: 1px dashed var(--border);
  border-radius: 10px;
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.card-content h3 {
  margin: 0;
  font-size: 1.05rem;
}

.card-content h4 {
  margin: 0 0 4px;
  font-size: 0.8rem;
  color: var(--muted);
  font-weight: 600;
}

.card-content p, .card-content ul {
  margin: 0;
  font-size: 0.9rem;
}

.card-content ul {
  padding-left: 18px;
}

.card-content ul li {
  margin-bottom: 2px;
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  font-size: 0.78rem;
  color: var(--muted);
  padding-top: 10px;
  margin-top: auto;
  border-top: 1px solid var(--border);
}

.card-footer .meta-group {
  display: flex;
  gap: 12px;
}

.card-footer .meta-item {
  display: flex;
  align-items: center;
  gap: 4px;
  white-space: nowrap;
}

.card-footer a {
  color: var(--accent);
  text-decoration: none;
}

.card-footer a:hover {
  text-decoration: underline;
}

footer {
  color: var(--muted);
  font-size: 0.85rem;
  text-align: center;
  margin-top: 40px;
}

dialog#detail-dialog {
  position: relative;
  border: none;
  border-radius: 16px;
  padding: 0;
  max-width: 560px;
  width: 90vw;
  max-height: 85vh;
  overflow: hidden;
  background: var(--surface);
  color: var(--text);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
}

dialog#detail-dialog::backdrop {
  background: rgba(0, 0, 0, 0.5);
}

.dialog-close {
  position: absolute;
  top: 8px;
  right: 8px;
  z-index: 1;
  width: 28px;
  height: 28px;
  border: none;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  color: #fff;
  font-size: 1.1rem;
  line-height: 1;
  cursor: pointer;
}

.dialog-close:hover {
  background: rgba(255, 255, 255, 0.5);
}

.dialog-body {
  padding: 20px;
  max-height: calc(85vh - 70px);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.dialog-body h4 {
  margin: 0 0 4px;
  font-size: 0.8rem;
  color: var(--muted);
  font-weight: 600;
}

.dialog-body p, .dialog-body ul {
  margin: 0;
  font-size: 0.92rem;
}

.dialog-body ul {
  padding-left: 18px;
}

.dialog-body ul li {
  margin-bottom: 3px;
}