:root {
  --bg: #0b0b0c;
  --panel: #141416;
  --line: #2b2b30;
  --text: #f3f2ec;
  --muted: #9c9b93;
  --accent: #d8ff4a;
  --dim: #6f6e67;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(1200px 700px at 80% -10%, #1c2410 0%, transparent 55%),
    var(--bg);
  font-family: Pretendard, system-ui, "Apple SD Gothic Neo", sans-serif;
  line-height: 1.5;
  word-break: keep-all;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 58px;
  padding: 0 max(24px, calc((100% - 1040px) / 2));
  border-bottom: 1px solid rgba(43, 43, 48, 0.85);
  background: rgba(11, 11, 12, 0.9);
  backdrop-filter: blur(16px);
}

.brand {
  color: var(--accent);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-decoration: none;
}

.site-header nav {
  display: flex;
  gap: 6px;
}

.site-header nav a {
  padding: 7px 11px;
  color: var(--muted);
  font-size: 0.9rem;
  text-decoration: none;
}

.site-header nav a:hover,
.site-header nav a[aria-current="page"] {
  color: var(--text);
}

.site-header nav a[aria-current="page"] {
  border: 1px solid var(--line);
}

.wrap {
  width: min(1040px, calc(100% - 48px));
  margin: 0 auto;
  padding: 72px 0 96px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
}

h1 {
  margin: 0;
  font-size: clamp(3rem, 8vw, 5rem);
  letter-spacing: -0.04em;
}

.lead {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 1.2rem;
}

.meta {
  margin: 28px 0 56px;
  color: var(--dim);
}

.home-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: -26px 0 34px;
}

.home-actions a {
  display: inline-flex;
  align-items: center;
  gap: 24px;
  padding: 12px 16px;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: #111;
  font-size: 0.9rem;
  font-weight: 700;
  text-decoration: none;
}

.home-actions a:hover {
  filter: brightness(0.9);
}

.home-actions a.ghost {
  border-color: var(--line);
  background: transparent;
  color: var(--text);
}

.home-actions a.ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
  filter: none;
}

.home-actions span {
  font-size: 1.15rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.card {
  padding: 24px;
  border: 1px solid var(--line);
  background: var(--panel);
}

.card:hover {
  border-color: var(--accent);
}

.card a {
  color: inherit;
  text-decoration: none;
}

.card h2 a:hover {
  color: var(--accent);
}

.files {
  margin: 16px 0 0;
  padding: 16px 0 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.files li + li {
  margin-top: 6px;
}

.files a {
  color: var(--muted);
  font-size: 0.9rem;
}

.files a::before {
  content: "↓";
  margin-right: 8px;
  color: var(--accent);
}

.files a:hover {
  color: var(--accent);
}

.card .week {
  display: block;
  margin-bottom: 28px;
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.card h2 {
  margin: 0 0 8px;
  font-size: 1.4rem;
}

.card p {
  margin: 0;
  color: var(--muted);
}

.card.draft {
  opacity: 0.72;
}

.howto {
  margin-top: 48px;
  padding: 24px;
  border: 1px solid var(--line);
}

.howto h2 {
  margin: 0 0 12px;
  font-size: 1rem;
}

.howto ol {
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
}

.howto li + li {
  margin-top: 8px;
}

code {
  color: var(--accent);
  font-size: 0.92em;
}

.page-title {
  margin: 0;
  font-size: clamp(2.2rem, 6vw, 3.4rem);
  letter-spacing: -0.04em;
}

.works-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 28px;
}

.works-head p {
  margin: 10px 0 0;
  color: var(--muted);
}

.works-head-meta {
  display: grid;
  justify-items: end;
  gap: 10px;
}

.works-count {
  margin: 0;
  color: var(--accent);
  font-size: 0.92rem;
  font-weight: 700;
}

.works-link,
.work-form button,
.work-actions button,
.file-pick-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 14px;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: #111;
  font: 700 0.9rem Pretendard, system-ui, sans-serif;
  text-decoration: none;
  cursor: pointer;
}

.works-link:hover,
.work-form button:hover,
.file-pick-btn:hover {
  filter: brightness(0.9);
}

.work-actions button {
  border-color: var(--line);
  background: transparent;
  color: var(--text);
}

.work-form {
  display: grid;
  gap: 16px;
  padding: 24px;
  border: 1px solid var(--line);
  background: var(--panel);
}

.work-form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.work-form-grid label,
.file-field {
  display: grid;
  gap: 8px;
}

.work-form span,
.file-field > span {
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.work-form input[type="text"],
.work-form input[type="password"] {
  width: 100%;
  height: 42px;
  padding: 0 12px;
  border: 1px solid var(--line);
  background: #0f0f11;
  color: var(--text);
  font: 0.95rem Pretendard, system-ui, sans-serif;
}

.file-pick {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 56px;
  padding: 8px;
  border: 1px solid var(--line);
  background: #0f0f11;
  cursor: pointer;
}

.file-pick:hover,
.file-pick.has-file {
  border-color: var(--accent);
}

.file-pick input {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

.file-pick-btn {
  flex: 0 0 auto;
  min-width: 108px;
}

.file-pick-name {
  color: var(--dim);
  font-size: 0.88rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.file-pick.has-file .file-pick-name {
  color: var(--text);
}

.work-hint,
.work-status {
  margin: 0;
  color: var(--dim);
  font-size: 0.88rem;
}

.work-status[data-error="true"] {
  color: #f0b7b7;
}

.code-fields {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.work-form-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.works-empty {
  color: var(--muted);
}

.works-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.work-card {
  display: grid;
  gap: 12px;
  padding: 16px;
  border: 1px solid var(--line);
  background: var(--panel);
}

.work-meta {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.work-meta time {
  color: var(--dim);
  font-size: 0.82rem;
}

.work-frame {
  width: 100%;
  height: 320px;
  border: 1px solid var(--line);
  background: #fff;
}

.work-view-body {
  display: grid;
  grid-template-rows: auto 1fr;
  min-height: 100vh;
  background: #fff;
}

.work-view-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 52px;
  padding: 0 16px;
  border-bottom: 1px solid var(--line);
  background: var(--bg);
}

.work-view-bar button {
  padding: 8px 12px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--text);
  font: 700 0.88rem Pretendard, system-ui, sans-serif;
  cursor: pointer;
}

.work-view-frame {
  width: 100%;
  height: 100%;
  border: 0;
  background: #fff;
}

@media (max-width: 720px) {
  .grid,
  .works-grid,
  .work-form-grid,
  .code-fields {
    grid-template-columns: 1fr;
  }

  .works-head,
  .works-head-meta {
    display: grid;
    justify-items: start;
  }
}