:root {
  color-scheme: light;
  --ink: #15171a;
  --muted: #687078;
  --line: #e5e7eb;
  --paper: #f5f6f7;
  --panel: #fff;
  --accent: #ff5a1f;
  --accent-dark: #d9430c;
  --green: #18794e;
  --red: #b42318;
  --yellow: #8a6100;
  font-family: Inter, Pretendard, "Noto Sans KR", system-ui, sans-serif;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--paper); color: var(--ink); }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
.shell { min-height: 100vh; }
.sidebar { position: fixed; inset: 0 auto 0 0; width: 244px; padding: 26px 20px; background: #17191c; color: #fff; display: flex; flex-direction: column; }
.brand { display: grid; grid-template-columns: 40px 1fr; grid-template-rows: auto auto; column-gap: 11px; align-items: center; padding: 0 6px 28px; }
.brand > span { grid-row: span 2; width: 40px; height: 40px; display: grid; place-items: center; border-radius: 11px; background: var(--accent); font-weight: 900; }
.brand strong { font-size: 17px; align-self: end; }
.brand small { color: #8e949b; font-size: 9px; letter-spacing: .16em; }
.sidebar nav { display: grid; gap: 6px; }
.sidebar nav a { padding: 12px 14px; color: #c7cbd0; border-radius: 9px; font-size: 14px; }
.sidebar nav a:hover { background: #26292e; color: #fff; }
.sidebar-user { margin-top: auto; border-top: 1px solid #30343a; padding: 18px 8px 0; display: flex; align-items: center; justify-content: space-between; font-size: 13px; }
.sidebar-user button { padding: 0; border: 0; background: none; color: #939aa3; cursor: pointer; }
.content { margin-left: 244px; padding: 42px; max-width: 1500px; }
.content-auth { margin: 0; min-height: 100vh; display: grid; place-items: center; }
.page-header { display: flex; justify-content: space-between; align-items: flex-end; gap: 28px; margin-bottom: 28px; }
.page-header h1 { margin: 3px 0 7px; font-size: 30px; letter-spacing: -.04em; }
.page-header p { margin: 0; color: var(--muted); }
.eyebrow { color: var(--accent) !important; font-size: 11px; font-weight: 800; letter-spacing: .15em; }
.stats-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; margin-bottom: 20px; }
.stats-grid article, .panel, .form-panel, .key-card { background: var(--panel); border: 1px solid var(--line); border-radius: 14px; box-shadow: 0 2px 10px rgb(0 0 0 / 3%); }
.stats-grid article { padding: 22px; }
.stats-grid span { display: block; color: var(--muted); font-size: 13px; }
.stats-grid strong { display: block; margin: 8px 0 2px; font-size: 28px; }
.stats-grid small { color: #92989f; }
.stats-three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.stats-grid .stat-text { font-size: 18px; overflow-wrap: anywhere; }
.panel { margin-bottom: 20px; overflow: hidden; }
.compact-panel { padding: 24px; }
.compact-panel h2, .form-panel h2 { margin-top: 0; }
.panel-head { display: flex; justify-content: space-between; align-items: center; padding: 20px 22px; border-bottom: 1px solid var(--line); }
.panel-head h2 { margin: 0 0 4px; font-size: 18px; }
.panel-head p { margin: 0; color: var(--muted); font-size: 13px; }
.panel-head > a { color: var(--accent-dark); font-size: 13px; font-weight: 700; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th { padding: 12px 18px; text-align: left; color: var(--muted); background: #fafafa; font-size: 11px; text-transform: uppercase; }
td { padding: 15px 18px; border-top: 1px solid #eff0f2; vertical-align: middle; }
td a { color: #bd3b0c; font-weight: 700; }
.empty { padding: 48px; text-align: center; color: var(--muted); }
code, pre { font-family: "SFMono-Regular", Consolas, monospace; }
td code { font-size: 12px; color: #424850; }
.key-with-copy { display: inline-flex; align-items: center; gap: 10px; }
.copy-button { width: 30px; height: 30px; display: inline-grid; place-items: center; flex: 0 0 auto; padding: 0; border: 0; border-radius: 7px; background: transparent; color: #7a828a; cursor: pointer; }
.copy-button:hover { color: var(--accent-dark); background: #fff1eb; }
.copy-button:focus-visible { outline: 3px solid rgb(255 90 31 / 20%); outline-offset: 1px; }
.copy-button svg { width: 17px; height: 17px; }
.copy-button .icon-copy { fill: currentColor; stroke: none; }
.copy-button .icon-check { fill: none; stroke: currentColor; stroke-width: 1.9; stroke-linecap: round; stroke-linejoin: round; }
.copy-button .icon-check { display: none; }
.copy-button.copied { background: #dcfce7; color: var(--green); }
.copy-button.copied .icon-copy { display: none; }
.copy-button.copied .icon-check { display: block; }
.badge { display: inline-flex; padding: 4px 8px; border-radius: 999px; background: #eceff2; color: #59616a; font-size: 11px; font-weight: 800; }
.badge-active { background: #dcfce7; color: var(--green); }
.badge-disabled, .badge-suspended, .badge-deactivated { background: #fff4cc; color: var(--yellow); }
.badge-revoked, .badge-danger { background: #fee4e2; color: var(--red); }
.badge-large { padding: 7px 13px; font-size: 12px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 40px; padding: 0 16px; border: 1px solid #d7d9dc; border-radius: 9px; background: #fff; color: var(--ink); cursor: pointer; font-weight: 700; font-size: 13px; }
.button:hover { border-color: #aeb2b7; }
.button-primary { border-color: var(--accent); background: var(--accent); color: #fff; }
.button-primary:hover { border-color: var(--accent-dark); background: var(--accent-dark); }
.button-danger { border-color: var(--red); background: var(--red); color: #fff; }
.button-danger:hover { border-color: #8f1d14; background: #8f1d14; }
.button:disabled { opacity: .45; cursor: not-allowed; }
.form-panel { padding: 28px; max-width: 720px; }
.stack-form { display: grid; gap: 18px; }
.stack-form label { display: grid; gap: 7px; font-size: 13px; font-weight: 700; }
.stack-form label small { color: var(--muted); font-weight: 400; }
input, select, textarea { width: 100%; min-height: 42px; padding: 10px 12px; border: 1px solid #d9dce0; border-radius: 8px; background: #fff; color: var(--ink); outline: none; }
textarea { resize: vertical; }
input:focus, select:focus, textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgb(255 90 31 / 12%); }
.form-error, .flash { padding: 13px 15px; border-radius: 9px; margin-bottom: 18px; font-size: 13px; }
.form-error, .flash-error { background: #fee4e2; color: var(--red); }
.flash-success { background: #dcfce7; color: var(--green); }
.split-grid { display: grid; grid-template-columns: 1.35fr 1fr; gap: 20px; margin-bottom: 20px; }
.split-grid .form-panel { max-width: none; }
.compact-panel pre { overflow-x: auto; padding: 14px; border-radius: 8px; background: #f4f5f6; }
.warning-text { color: var(--yellow); font-size: 12px; }
.danger-panel { border-color: #f2b8b5; }
.danger-panel h2 { color: var(--red); }
.danger-panel p { color: var(--muted); font-size: 13px; }
.filter-bar { display: grid; grid-template-columns: minmax(220px, 1fr) 220px 160px auto; gap: 10px; margin-bottom: 16px; }
.key-card { max-width: 760px; padding: 34px; text-align: center; }
.key-card > span { display: block; color: var(--muted); }
.key-card > code { display: block; margin: 18px 0; font-size: clamp(22px, 4vw, 36px); font-weight: 900; letter-spacing: .04em; }
.key-card p { margin: 18px 0 0; color: var(--red); font-size: 13px; }
.actions { display: flex; gap: 10px; margin-top: 18px; }
.inline-form { display: flex; gap: 10px; }
.inline-form select { max-width: 240px; }
.text-button { border: 0; padding: 0; background: none; color: var(--red); cursor: pointer; font-weight: 700; }
dl { display: grid; grid-template-columns: 100px 1fr; gap: 12px; font-size: 13px; }
dt { color: var(--muted); }
dd { margin: 0; font-weight: 700; }
.login-card { width: min(420px, calc(100vw - 32px)); padding: 38px; border-radius: 18px; background: #fff; border: 1px solid var(--line); box-shadow: 0 18px 60px rgb(0 0 0 / 10%); }
.login-card h1 { margin: 6px 0; font-size: 28px; }
.login-card > p:not(.eyebrow) { margin: 0 0 24px; color: var(--muted); }
.login-mark { width: 52px; height: 52px; display: grid; place-items: center; margin-bottom: 22px; border-radius: 14px; background: var(--accent); color: #fff; font-weight: 900; }
@media (max-width: 900px) {
  .sidebar { position: static; width: auto; min-height: auto; }
  .sidebar nav { grid-template-columns: repeat(2, 1fr); }
  .sidebar-user { margin-top: 20px; }
  .content { margin-left: 0; padding: 24px 16px; }
  .stats-grid, .stats-three, .split-grid { grid-template-columns: 1fr 1fr; }
  .filter-bar { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .page-header { align-items: flex-start; flex-direction: column; }
  .stats-grid, .stats-three, .split-grid, .filter-bar { grid-template-columns: 1fr; }
  .sidebar nav { grid-template-columns: 1fr; }
}