:root {
  --bg: #f5f7fa;
  --card: #ffffff;
  --text: #1f2d3d;
  --muted: #6b7c93;
  --border: #e3e8ef;
  --primary: #2c3e91;
  --primary-dark: #1e2c6b;
  --tech: #1abc9c;
  --dev: #e74c3c;
  --consulting: #3f51b5;
  --ai: #9b59b6;
  --success: #2ecc71;
  --warning: #f39c12;
  --danger: #e74c3c;
  --shadow: 0 2px 6px rgba(0,0,0,.06);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, "Apple SD Gothic Neo", "Malgun Gothic", "맑은 고딕", sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
  line-height: 1.55;
}
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

.container { max-width: 1180px; margin: 0 auto; padding: 0 20px; }

.site-header {
  background: linear-gradient(135deg, #0e1730 0%, #1e2c6b 100%);
  color: #fff;
  padding: 14px 0;
  box-shadow: var(--shadow);
}
.site-header .container { display: flex; justify-content: space-between; align-items: center; }
.site-header .logo { color: #fff; font-weight: 700; font-size: 18px; }
.site-header .logo span { font-weight: 400; color: #b8c7d6; font-size: 14px; margin-left: 8px; }
.site-header nav a { color: #d2dbe6; margin-left: 18px; font-size: 14px; }
.site-header nav a:hover { color: #fff; text-decoration: none; }
.site-header nav .btn-primary { background: #4e6ef2; padding: 7px 14px; border-radius: 6px; color: #fff; }

.site-footer {
  background: #0e1730;
  color: #8da2bd;
  padding: 18px 0;
  margin-top: 60px;
  text-align: center;
  font-size: 13px;
}

h1 { font-size: 28px; margin: 28px 0 8px; }
h2 { font-size: 22px; margin: 24px 0 12px; }
h3 { font-size: 17px; margin: 18px 0 8px; }
.subtitle { color: var(--muted); margin: 0 0 28px; }

.card {
  background: var(--card);
  border-radius: 10px;
  box-shadow: var(--shadow);
  padding: 24px;
  margin: 18px 0;
}

.btn {
  display: inline-block;
  padding: 10px 18px;
  background: var(--primary);
  color: #fff;
  border-radius: 6px;
  border: none;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
}
.btn:hover { background: var(--primary-dark); text-decoration: none; }
.btn-secondary { background: #6b7c93; }
.btn-secondary:hover { background: #4a5b73; }
.btn-outline { background: transparent; color: var(--primary); border: 1px solid var(--primary); }
.btn-outline:hover { background: var(--primary); color: #fff; }
.btn-sm { padding: 5px 10px; font-size: 13px; }

form .field { margin-bottom: 14px; }
form label { display: block; font-weight: 500; margin-bottom: 4px; font-size: 14px; }
form input[type=text], form input[type=email], form input[type=password], form input[type=number], form textarea, form select {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 14px;
  font-family: inherit;
  background: #fff;
}
form input:focus, form textarea:focus, form select:focus {
  outline: none;
  border-color: var(--primary);
}
.form-row { display: flex; gap: 12px; }
.form-row > * { flex: 1; }

.alert { padding: 12px 16px; border-radius: 6px; margin: 14px 0; font-size: 14px; }
.alert-error { background: #fdecea; color: #b91c1c; }
.alert-success { background: #e6f7ec; color: #166534; }
.alert-info { background: #e7f1ff; color: #1e40af; }

/* Area cards */
.area-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-top: 18px; }
.area-card { background: var(--card); border-radius: 10px; padding: 20px; box-shadow: var(--shadow); border-top: 4px solid; }
.area-card.tech { border-top-color: var(--tech); }
.area-card.dev { border-top-color: var(--dev); }
.area-card.consulting { border-top-color: var(--consulting); }
.area-card.ai { border-top-color: var(--ai); }
.area-card h3 { margin: 0 0 4px; }
.area-card .desc { color: var(--muted); font-size: 13px; margin-bottom: 12px; }
.area-card ul { list-style: none; padding: 0; margin: 0; }
.area-card li { padding: 6px 0; border-bottom: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; }
.area-card li:last-child { border-bottom: none; }
.area-card li a { font-size: 14px; }
.level-badge { display: inline-block; min-width: 26px; text-align: center; padding: 2px 8px; border-radius: 12px; font-size: 12px; font-weight: 600; background: var(--border); color: var(--muted); }
.level-badge.set { background: var(--primary); color: #fff; }
.level-badge.set-tech { background: var(--tech); color: #fff; }
.level-badge.set-dev { background: var(--dev); color: #fff; }
.level-badge.set-consulting { background: var(--consulting); color: #fff; }
.level-badge.set-ai { background: var(--ai); color: #fff; }
@media (max-width: 768px) {
  .area-grid { grid-template-columns: 1fr; }
}

/* Assessment table */
.assess-table { width: 100%; border-collapse: collapse; background: #fff; margin-top: 10px; }
.assess-table th { background: #f0f3f9; padding: 10px; text-align: left; font-size: 13px; border-bottom: 2px solid var(--border); }
.assess-table td { padding: 10px; border-bottom: 1px solid var(--border); vertical-align: top; font-size: 14px; }
.assess-table td.lv { font-weight: 700; color: var(--primary); width: 50px; text-align: center; font-size: 18px; }
.assess-table .yn { white-space: nowrap; width: 80px; text-align: center; }
.assess-table .yn label { font-weight: 400; display: inline-block; margin-right: 6px; cursor: pointer; }
.assess-table tr.passed { background: #f4faf6; }
.assess-table tr.passed td.lv { color: var(--success); }

.progress-bar { background: var(--border); height: 8px; border-radius: 4px; overflow: hidden; margin: 4px 0; }
.progress-bar > span { display: block; height: 100%; background: var(--primary); }

/* Summary table */
.summary-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 18px; }
.summary-card { background: var(--card); border-radius: 10px; box-shadow: var(--shadow); overflow: hidden; }
.summary-card .head { padding: 12px 16px; color: #fff; font-weight: 600; }
.summary-card.tech .head { background: var(--tech); }
.summary-card.dev .head { background: var(--dev); }
.summary-card.consulting .head { background: var(--consulting); }
.summary-card.ai .head { background: var(--ai); }
.summary-card table { width: 100%; border-collapse: collapse; }
.summary-card th, .summary-card td { padding: 8px 12px; text-align: left; font-size: 14px; border-bottom: 1px solid var(--border); }
.summary-card th { background: #f8fafc; font-size: 12px; color: var(--muted); }
.summary-card td.num { width: 60px; text-align: center; }
.summary-card tr.avg { background: #f8fafc; font-weight: 600; }
.radar-wrap { padding: 10px 6px 4px; border-bottom: 1px solid var(--border); }
.radar-wrap .radar { width: 100%; height: auto; display: block; }
.radar-legend { display: flex; justify-content: center; gap: 16px; font-size: 12px; color: var(--muted); padding: 2px 0 6px; }
.radar-legend span { display: inline-flex; align-items: center; gap: 5px; }
.radar-legend i { width: 16px; height: 3px; border-radius: 2px; display: inline-block; }
.radar-legend i.dash { height: 0; background: none; border-top: 2px dashed #f59e0b; }
.radar-legend i.dash5 { height: 0; background: none; border-top: 2px dashed #3b82f6; }
@media (max-width: 900px) {
  .summary-grid { grid-template-columns: 1fr; }
}

/* Cert table */
.cert-table { width: 100%; border-collapse: collapse; background: #fff; }
.cert-table th { background: #f0f3f9; padding: 10px; text-align: left; font-size: 13px; border-bottom: 2px solid var(--border); }
.cert-table td { padding: 8px 10px; border-bottom: 1px solid var(--border); font-size: 13.5px; }
.cert-table td.center { text-align: center; }

/* Admin */
.admin-sidebar { float: left; width: 200px; background: var(--card); border-radius: 10px; padding: 14px; box-shadow: var(--shadow); }
.admin-sidebar a { display: block; padding: 8px 10px; color: var(--text); border-radius: 6px; margin-bottom: 2px; font-size: 14px; }
.admin-sidebar a:hover, .admin-sidebar a.active { background: var(--primary); color: #fff; text-decoration: none; }
.admin-main { margin-left: 224px; }
.admin-table { width: 100%; border-collapse: collapse; background: #fff; }
.admin-table th, .admin-table td { padding: 8px 10px; border-bottom: 1px solid var(--border); font-size: 13px; }
.admin-table th { background: #f0f3f9; text-align: left; }
.admin-table tr:hover { background: #f9fafb; }
@media (max-width: 900px) {
  .admin-sidebar { float: none; width: 100%; margin-bottom: 14px; }
  .admin-main { margin-left: 0; }
}

.muted { color: var(--muted); font-size: 13px; }
.text-right { text-align: right; }

/* Stats */
.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin: 14px 0; }
.stat-card { background: #fff; padding: 16px; border-radius: 8px; box-shadow: var(--shadow); }
.stat-card .label { color: var(--muted); font-size: 12px; }
.stat-card .value { font-size: 24px; font-weight: 700; margin-top: 4px; color: var(--primary); }
@media (max-width: 768px) { .stat-grid { grid-template-columns: repeat(2, 1fr); } }

.bar-chart-row { display: flex; align-items: center; gap: 10px; margin: 6px 0; font-size: 13px; }
.bar-chart-row .label { width: 220px; flex-shrink: 0; }
.bar-chart-row .bar { flex: 1; background: var(--border); height: 18px; border-radius: 3px; position: relative; }
.bar-chart-row .bar > span { display: block; height: 100%; background: var(--primary); border-radius: 3px; }
.bar-chart-row .val { width: 60px; text-align: right; font-weight: 600; color: var(--primary); }

/* Portfolio */
.portfolio-table { margin-top: 10px; }
.pf-row { border: 1px solid var(--border); margin-bottom: 14px; padding: 18px 20px; }
.pf-row-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }
.pf-row-num { font-weight: 700; color: var(--primary); font-size: 15px; }
.pf-row .field { margin-bottom: 10px; }
.pf-row input[type=file] { padding: 6px; background: #fafbfc; }
.pf-remove { color: var(--danger); border-color: var(--danger); }
.pf-remove:hover { background: var(--danger); color: #fff; }