:root {
  --bg: #fbfaf7;
  --alt: #f2efe9;
  --card: #ffffff;
  --line: #e4dfd6;
  --text: #222222;
  --sub: #5f5a54;
  --dim: #6b655e;
  --accent: #0b6e6d;
  --accent-2: #3fb8af;
  --accent-soft: #ddf0ee;
  --dark: #2e3a3a;
  --ok: #0b6e6d;
  --ng: #c45c4a;
  --radius: 14px;
  --font: "Pretendard", "Malgun Gothic", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100dvh;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.7;
  word-break: keep-all;
}

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

.wrap {
  width: min(1080px, calc(100% - 32px));
  margin: 0 auto;
}

.site-head {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(251, 250, 247, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}

.site-head__in {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
  gap: 16px;
}

.logo {
  font-weight: 900;
  letter-spacing: 0.06em;
  font-size: 21px;
  color: var(--text);
  display: inline-flex;
  align-items: baseline;
  gap: 4px;
}

.logo b {
  color: var(--accent);
}

.logo-ko {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0;
  color: var(--sub);
  margin-left: 6px;
  padding-left: 10px;
  border-left: 1px solid var(--line);
}

.gnb {
  display: flex;
  align-items: center;
  gap: 8px;
}

.gnb a,
.text-btn {
  color: var(--text);
  background: none;
  border: 0;
  font: inherit;
  font-weight: 700;
  padding: 8px 12px;
  cursor: pointer;
  border-radius: 8px;
}

.gnb a.is-on,
.gnb a:hover,
.text-btn:hover {
  color: var(--accent);
}

.tag {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--accent);
  margin: 28px 0 12px;
}

h1 {
  margin: 0;
  font-size: clamp(28px, 5vw, 42px);
  font-weight: 900;
  line-height: 1.25;
  color: var(--dark);
}

h2 {
  margin: 0 0 12px;
  font-size: 1.05rem;
}

.lead,
.hint,
.result-meta,
.model-status {
  color: var(--sub);
  line-height: 1.5;
}

.lead {
  margin: 12px 0 0;
  max-width: 42rem;
}

.page {
  padding-bottom: 56px;
}

.login-main {
  padding: 48px 0 72px;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  margin-top: 18px;
}

.login-card {
  max-width: 420px;
}

.card-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: baseline;
  flex-wrap: wrap;
}

.card-toggle {
  width: 100%;
  background: none;
  border: 0;
  color: inherit;
  text-align: left;
  padding: 0;
  cursor: pointer;
  font-weight: 700;
  font-size: 1rem;
}

.model-status.ng,
.form-error {
  color: var(--ng);
}

.form-error {
  margin: 0 0 8px;
  font-size: 0.9rem;
}

label {
  display: block;
  margin-bottom: 12px;
  color: var(--sub);
  font-size: 0.85rem;
  font-weight: 700;
}

input {
  width: 100%;
  margin-top: 6px;
  padding: 12px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--text);
  font: inherit;
}

.row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0 12px;
}

@media (min-width: 640px) {
  .row {
    grid-template-columns: 140px 1fr;
  }
}

.dropzone {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 140px;
  border: 1.5px dashed var(--line);
  border-radius: 12px;
  padding: 16px;
  text-align: center;
  color: var(--sub);
  cursor: pointer;
  background: var(--alt);
}

.dropzone.dragover {
  border-color: var(--accent);
  color: var(--text);
}

.dropzone input {
  display: none;
}

.preview-wrap {
  margin: 12px 0;
  overflow: visible;
  width: 100%;
  border-radius: 12px;
  background: #111;
  display: flex;
  justify-content: center;
  align-items: center;
}

canvas {
  display: block;
  max-width: 100%;
  width: auto;
  height: auto;
}

.btn,
.primary-block {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  font-size: 16px;
  padding: 13px 24px;
  border-radius: 8px;
  border: 1.5px solid var(--accent);
  cursor: pointer;
}

.primary-block {
  width: 100%;
  margin-top: 8px;
}

.btn:disabled,
.primary-block:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.result-badge {
  margin: 0;
  font-size: 2rem;
  font-weight: 800;
}

.result-badge.ok {
  color: var(--ok);
}

.result-badge.ng {
  color: var(--ng);
}

.pred-list {
  padding-left: 18px;
}

pre {
  overflow: auto;
  font-size: 0.75rem;
  background: var(--alt);
  padding: 12px;
  border-radius: 8px;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-top: 20px;
}

@media (min-width: 800px) {
  .stat-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.stat-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
}

.stat-card b {
  display: block;
  font-size: clamp(28px, 4vw, 40px);
  color: var(--accent);
  font-weight: 900;
  line-height: 1.2;
}

.stat-card span {
  color: var(--sub);
  font-size: 14px;
  font-weight: 600;
}

.chart {
  min-height: 220px;
  padding-top: 8px;
}

.rate-svg {
  display: block;
  width: 100%;
  height: auto;
}

.log-filters {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0 12px;
  margin-bottom: 8px;
}

@media (min-width: 720px) {
  .log-filters {
    grid-template-columns: 1fr 1fr 160px;
  }
}

.log-filters select {
  width: 100%;
  margin-top: 6px;
  padding: 12px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--text);
  font: inherit;
}

.pager {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-top: 14px;
}

.table-wrap {
  overflow: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

th,
td {
  text-align: left;
  padding: 10px 8px;
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}

th {
  color: var(--sub);
  font-size: 0.8rem;
}

.pill {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-weight: 800;
  font-size: 0.8rem;
}

.pill.ok {
  background: var(--accent-soft);
  color: var(--accent);
}

.pill.ng {
  background: #f8e4e0;
  color: var(--ng);
}

.user-form {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0 12px;
}

@media (min-width: 720px) {
  .user-form {
    grid-template-columns: 1fr 1fr auto;
    align-items: end;
  }
}

.user-actions {
  margin-bottom: 12px;
}

.btn-line {
  background: transparent;
  color: var(--accent);
  border: 1.5px solid var(--accent);
  font-weight: 700;
  padding: 6px 12px;
  border-radius: 8px;
  cursor: pointer;
}

.ok-msg {
  color: var(--accent);
}