/* 서버 보안 관리 — 휴대폰 먼저, 밝은 · 어두운 화면 모두 */
:root {
  --bg: #f3f5f8;
  --card: #ffffff;
  --text: #17202b;
  --muted: #667085;
  --line: #e3e7ed;
  --brand: #2f5bea;
  --brand-ink: #ffffff;
  --green: #11795a;
  --green-bg: #e6f5ee;
  --amber: #9a5a06;
  --amber-bg: #fdf2df;
  --red: #c0362c;
  --red-bg: #fdecea;
  --blue: #2752c2;
  --blue-bg: #e9effd;
  --gray: #59636f;
  --gray-bg: #eef1f4;
  --code-bg: #f6f8fa;
  --shadow: 0 1px 2px rgba(16, 24, 40, .05), 0 1px 3px rgba(16, 24, 40, .06);
  --radius: 14px;
  --nav-h: 60px;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e1116;
    --card: #171b22;
    --text: #e6e9ee;
    --muted: #98a2b3;
    --line: #272d37;
    --brand: #5b82ff;
    --green: #4cc38a;
    --green-bg: #10261c;
    --amber: #f0b44c;
    --amber-bg: #2a2112;
    --red: #ff7b70;
    --red-bg: #2c1616;
    --blue: #86a6ff;
    --blue-bg: #152040;
    --gray: #a3acb9;
    --gray-bg: #1f242c;
    --code-bg: #11151b;
    --shadow: none;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.55 -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Malgun Gothic", "Noto Sans KR", system-ui, sans-serif;
  word-break: keep-all;
  overflow-wrap: anywhere;
}
a { color: var(--brand); text-decoration: none; }
h1, h2 { margin: 0; line-height: 1.3; }
h1 { font-size: 20px; }
h2 { font-size: 16px; }
p { margin: 0; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.warn-text { color: var(--amber); }
.i { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; flex: none; }

/* 머리 · 메뉴 */
.top {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; gap: 10px;
  padding: 10px 16px; padding-top: max(10px, env(safe-area-inset-top));
  background: var(--card); border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 6px; color: var(--text); font-weight: 700; font-size: 16px; }
.brand .i { color: var(--brand); width: 22px; height: 22px; }
.host { font-size: 12px; color: var(--muted); background: var(--gray-bg); padding: 2px 8px; border-radius: 99px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.logout { margin-left: auto; }
.link { background: none; border: 0; padding: 4px; color: var(--muted); font: inherit; font-size: 13px; cursor: pointer; }

.tabs {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 10;
  display: grid; grid-template-columns: repeat(4, 1fr);
  height: calc(var(--nav-h) + env(safe-area-inset-bottom)); padding-bottom: env(safe-area-inset-bottom);
  background: var(--card); border-top: 1px solid var(--line);
}
.tabs a { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px; color: var(--muted); font-size: 11px; }
.tabs a .i { width: 22px; height: 22px; }
.tabs a.on { color: var(--brand); font-weight: 600; }

main { max-width: 880px; margin: 0 auto; padding: 16px 16px calc(var(--nav-h) + 28px + env(safe-area-inset-bottom)); display: grid; gap: 16px; }
body.out main { padding-bottom: 32px; }

@media (min-width: 720px) {
  .tabs {
    position: sticky; top: 49px; bottom: auto; height: auto; padding: 0 16px;
    display: flex; gap: 4px; justify-content: center; border-top: 0; border-bottom: 1px solid var(--line);
  }
  .tabs a { flex-direction: row; gap: 6px; font-size: 14px; padding: 11px 14px; border-bottom: 2px solid transparent; }
  .tabs a .i { width: 18px; height: 18px; }
  .tabs a.on { border-bottom-color: var(--brand); }
  main { padding: 24px 24px 48px; }
}

/* 공통 상자 */
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 18px; display: grid; gap: 12px; }
.card.center { text-align: center; justify-items: center; }
.section-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.section-head h2 { font-size: 16px; }
.empty { padding: 28px 16px; text-align: center; color: var(--muted); background: var(--card); border: 1px dashed var(--line); border-radius: var(--radius); }
.foot-note { font-size: 12px; color: var(--muted); text-align: center; }
.foot-note a { display: inline-flex; align-items: center; gap: 3px; }
.foot-note .i { width: 13px; height: 13px; }

.flash { padding: 12px 14px; border-radius: 12px; font-size: 14px; }
.flash.ok { background: var(--green-bg); color: var(--green); }
.flash.err { background: var(--red-bg); color: var(--red); }

/* 버튼 · 입력 */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  min-height: 40px; padding: 8px 16px; border-radius: 10px;
  border: 1px solid var(--line); background: var(--card); color: var(--text);
  font: inherit; font-weight: 600; font-size: 14px; cursor: pointer; white-space: nowrap;
}
.btn:hover { border-color: var(--muted); }
.btn.primary { background: var(--brand); border-color: var(--brand); color: var(--brand-ink); }
.btn.danger { background: var(--red); border-color: var(--red); color: #fff; }
.btn.danger-ghost { color: var(--red); }
.btn.ghost { background: transparent; }
.btn.small { min-height: 34px; padding: 6px 12px; font-size: 13px; }
.btn.small .i { width: 15px; height: 15px; }
.btn.wide { width: 100%; }
.btn.busy { opacity: .6; pointer-events: none; }
label { display: grid; gap: 6px; font-size: 13px; font-weight: 600; color: var(--muted); }
input, select {
  width: 100%; min-height: 44px; padding: 10px 12px; border-radius: 10px;
  border: 1px solid var(--line); background: var(--bg); color: var(--text); font: inherit; font-size: 16px;
}
input:focus, select:focus { outline: 2px solid var(--brand); outline-offset: -1px; border-color: transparent; }
label.check { display: flex; align-items: center; gap: 8px; font-weight: 500; color: var(--text); font-size: 14px; }
label.check input { width: 18px; height: 18px; min-height: 0; accent-color: var(--brand); }
.stack { display: grid; gap: 14px; }
.grid-form { display: grid; gap: 12px; grid-template-columns: 1fr; }
@media (min-width: 560px) {
  .grid-form { grid-template-columns: 1fr 1fr; }
  .grid-form .span2 { grid-column: span 2; }
}

/* 로그인 */
.login { width: 100%; max-width: 380px; margin: 8vh auto 0; background: var(--card); border: 1px solid var(--line); border-radius: 18px; box-shadow: var(--shadow); padding: 28px 22px; display: grid; gap: 14px; text-align: center; }
.login .stack { text-align: left; }
.login-mark { justify-self: center; display: grid; place-items: center; width: 56px; height: 56px; border-radius: 16px; background: var(--blue-bg); color: var(--brand); }
.login-mark .i { width: 30px; height: 30px; }

/* 보호 상태 */
.status { display: grid; grid-template-columns: auto 1fr; align-items: center; gap: 14px; padding: 18px; border-radius: var(--radius); border: 1px solid transparent; }
.status form { grid-column: 1 / -1; }
.status form .btn { width: 100%; }
@media (min-width: 560px) {
  .status { grid-template-columns: auto 1fr auto; }
  .status form { grid-column: auto; }
}
.status h1 { font-size: 22px; }
.status p { font-size: 14px; opacity: .9; }
.status .dot { width: 14px; height: 14px; border-radius: 50%; background: currentColor; box-shadow: 0 0 0 6px color-mix(in srgb, currentColor 18%, transparent); }
.s-on { background: var(--green-bg); color: var(--green); }
.s-detect { background: var(--blue-bg); color: var(--blue); }
.s-warn { background: var(--amber-bg); color: var(--amber); }
.s-stop { background: var(--red-bg); color: var(--red); }
.s-off { background: var(--gray-bg); color: var(--gray); }
.status .btn.ghost { color: inherit; border-color: currentColor; }

/* 숫자 */
.stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
@media (min-width: 720px) { .stats { grid-template-columns: repeat(4, 1fr); } }
.stat { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 14px; display: grid; gap: 2px; color: var(--text); }
.stat b { font-size: 24px; font-variant-numeric: tabular-nums; letter-spacing: -.02em; }
.stat span { font-size: 12px; color: var(--muted); }
a.stat:hover { border-color: var(--brand); }

/* 목록 */
.list { display: grid; gap: 8px; }
.item { display: flex; gap: 12px; align-items: flex-start; background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; }
.item-main { flex: 1; min-width: 0; display: grid; gap: 3px; }
.item-top { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 8px; }
.ip { font-weight: 700; font-size: 15px; }
.where { font-size: 12px; color: var(--muted); }
.what { font-size: 14px; }
.targets { font-size: 12px; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.meta { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 8px; font-size: 12px; color: var(--muted); margin-top: 2px; }
.item-act { flex: none; }
.badge { display: inline-block; padding: 1px 8px; border-radius: 99px; font-size: 12px; font-weight: 600; }
.badge.red { background: var(--red-bg); color: var(--red); }
.badge.amber { background: var(--amber-bg); color: var(--amber); }
.badge.gray { background: var(--gray-bg); color: var(--gray); }

/* 기간 선택 */
.seg { display: inline-flex; background: var(--gray-bg); border-radius: 10px; padding: 3px; }
.seg a { padding: 5px 12px; border-radius: 8px; font-size: 13px; color: var(--muted); }
.seg a.on { background: var(--card); color: var(--text); font-weight: 600; box-shadow: var(--shadow); }

/* 직접 차단 */
details.add > summary { display: flex; align-items: center; gap: 6px; font-weight: 700; cursor: pointer; list-style: none; }
details.add > summary::-webkit-details-marker { display: none; }
details.add > summary .i { color: var(--brand); }

/* 설정 */
.row { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 12px 0; border-top: 1px solid var(--line); }
.row p { font-size: 13px; margin-top: 2px; }
.code { margin: 0; padding: 12px; background: var(--code-bg); border: 1px solid var(--line); border-radius: 10px; font: 12px/1.6 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; white-space: pre-wrap; max-height: 360px; overflow: auto; }
.error-card { border-color: var(--red); }
.error-card h2 { display: flex; align-items: center; gap: 6px; color: var(--red); }

/* 서버 고르기 */
.servers { display: flex; gap: 6px; overflow-x: auto; }
.servers a { flex: 1; text-align: center; white-space: nowrap; padding: 9px 12px; border-radius: 10px; border: 1px solid var(--line); background: var(--card); color: var(--text); font-weight: 600; font-size: 14px; }
.servers a.on { background: var(--brand); border-color: var(--brand); color: var(--brand-ink); }

/* 도메인 */
.site { font-size: 11px; font-weight: 600; padding: 1px 7px; border-radius: 99px; background: var(--blue-bg); color: var(--blue); }
.sites { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; }
@media (min-width: 720px) { .sites { grid-template-columns: repeat(3, 1fr); } }
.site-row { display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 10px 12px; border-radius: 12px; border: 1px solid var(--line); background: var(--card); color: var(--text); font-size: 13px; min-width: 0; }
.site-row span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.site-row b { font-size: 16px; font-variant-numeric: tabular-nums; }
.site-row:not(.zero) b { color: var(--red); }
.site-row.zero { color: var(--muted); }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chips a { display: inline-flex; align-items: center; gap: 5px; padding: 5px 11px; border-radius: 99px; border: 1px solid var(--line); background: var(--card); color: var(--text); font-size: 13px; }
.chips a.zero { color: var(--muted); }
.chips a.on { border-color: var(--brand); color: var(--brand); font-weight: 700; }
.chips .n { font-size: 12px; color: var(--muted); font-variant-numeric: tabular-nums; }

/* 넓은 화면 (펼친 폴드 · 태블릿 · PC): 목록 두 줄 */
@media (min-width: 760px) {
  main { max-width: 1120px; }
  .list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .sites { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}