@import url("https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/variable/pretendardvariable.min.css");
@import url("https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500&display=swap");

/* ============================================================
   색상과 기본값
   ============================================================ */
:root {
  --ink:        #16202b;   /* 사이드바 바탕 */
  --ink-2:      #22303f;
  --paper:      #f5f6f4;   /* 화면 바탕 */
  --card:       #ffffff;
  --line:       #e3e5e1;
  --text:       #1a1d21;
  --text-2:     #676e76;
  --text-3:     #9aa0a6;
  --accent:     #2f6f4e;   /* 확인·저장 */
  --accent-bg:  #e8f1ec;
  --warn:       #a2570b;
  --warn-bg:    #fbf0e0;
  --danger:     #b02318;
  --danger-bg:  #fbeceb;
  --radius:     10px;
  --shadow:     0 1px 2px rgba(22,32,43,.05), 0 8px 24px rgba(22,32,43,.05);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--paper);
  color: var(--text);
  font-family: "Pretendard Variable", Pretendard, -apple-system, system-ui, sans-serif;
  font-size: 15px;
  line-height: 1.55;
  -webkit-text-size-adjust: 100%;
}

.mono, code, .num {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-variant-numeric: tabular-nums;
}

a { color: inherit; }

/* ============================================================
   관리자 레이아웃
   ============================================================ */
.layout { display: flex; min-height: 100vh; }

.rail {
  width: 208px;
  flex-shrink: 0;
  background: var(--ink);
  color: #cfd6dd;
  padding: 20px 12px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.rail .brand {
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -.01em;
  padding: 4px 10px 18px;
}
.rail .brand small {
  display: block;
  font-weight: 400;
  font-size: 11px;
  color: #7d8994;
  letter-spacing: .06em;
  margin-top: 2px;
}
.rail a {
  display: block;
  padding: 9px 10px;
  border-radius: 8px;
  font-size: 14px;
  text-decoration: none;
  color: #cfd6dd;
}
.rail a:hover { background: var(--ink-2); color: #fff; }
.rail a[aria-current="page"] { background: #fff; color: var(--ink); font-weight: 600; }
.rail .spacer { flex: 1; }
.rail .who { padding: 10px; font-size: 12px; color: #7d8994; border-top: 1px solid var(--ink-2); }
.rail .who button {
  margin-top: 8px; width: 100%;
  background: none; border: 1px solid var(--ink-2); color: #cfd6dd;
}
.rail .who button:hover { background: var(--ink-2); }

.main { flex: 1; min-width: 0; padding: 28px 32px 64px; }
.crumb { font-size: 12px; color: var(--text-3); margin-bottom: 4px; }
h1 { font-size: 21px; font-weight: 650; letter-spacing: -.02em; margin: 0 0 4px; }
.lead { color: var(--text-2); font-size: 14px; margin: 0 0 22px; }

/* ============================================================
   카드 · 폼
   ============================================================ */
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px 22px;
  margin-bottom: 16px;
}
.card h2 { font-size: 15px; font-weight: 600; margin: 0 0 2px; }
.card .hint { font-size: 13px; color: var(--text-2); margin: 0 0 16px; }

.grid { display: grid; gap: 14px 16px; }
.g2 { grid-template-columns: repeat(2, minmax(0,1fr)); }
.g3 { grid-template-columns: repeat(3, minmax(0,1fr)); }
.span2 { grid-column: span 2; }

label { display: block; font-size: 13px; color: var(--text-2); margin-bottom: 5px; }
input[type=text], input[type=email], input[type=password], input[type=number],
input[type=time], select, textarea {
  width: 100%;
  padding: 9px 11px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  font: inherit;
  color: var(--text);
}
input:focus, select:focus, textarea:focus {
  outline: 2px solid var(--accent);
  outline-offset: -1px;
  border-color: transparent;
}
textarea { resize: vertical; min-height: 68px; }
.check { display: flex; align-items: center; gap: 8px; font-size: 14px; color: var(--text); }
.check input { width: 16px; height: 16px; accent-color: var(--accent); }
.field-note { font-size: 12px; color: var(--text-3); margin-top: 5px; }

button {
  font: inherit;
  padding: 9px 16px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--text);
  cursor: pointer;
}
button:hover { background: #f0f1ee; }
button.primary { background: var(--accent); border-color: var(--accent); color: #fff; font-weight: 500; }
button.primary:hover { filter: brightness(1.08); }
button.ghost { border-color: transparent; background: none; color: var(--text-2); }
button:disabled { opacity: .5; cursor: default; }
.actions { display: flex; gap: 8px; justify-content: flex-end; margin-top: 18px; }

/* ============================================================
   표
   ============================================================ */
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th {
  text-align: left; font-weight: 500; color: var(--text-2);
  font-size: 12.5px; padding: 8px 10px; border-bottom: 1px solid var(--line);
}
td { padding: 11px 10px; border-bottom: 1px solid var(--line); }
tr:last-child td { border-bottom: none; }
tbody tr:hover { background: #fafbf9; cursor: pointer; }
.right { text-align: right; }

.tag {
  display: inline-block; font-size: 12px; padding: 2px 8px;
  border-radius: 999px; background: #eef0ec; color: var(--text-2);
}
.tag.ok   { background: var(--accent-bg); color: var(--accent); }
.tag.warn { background: var(--warn-bg);   color: var(--warn); }
.tag.off  { background: #eef0ec;          color: var(--text-3); }

.empty {
  padding: 44px 20px; text-align: center; color: var(--text-2);
  border: 1px dashed var(--line); border-radius: var(--radius); background: #fff;
}
.empty strong { display: block; color: var(--text); margin-bottom: 4px; font-weight: 600; }

/* ============================================================
   알림
   ============================================================ */
#toast {
  position: fixed; left: 50%; bottom: 28px; transform: translateX(-50%) translateY(12px);
  background: var(--ink); color: #fff; padding: 11px 18px; border-radius: 999px;
  font-size: 14px; opacity: 0; pointer-events: none; transition: .18s; z-index: 50;
  box-shadow: var(--shadow); max-width: 90vw;
}
#toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
#toast.bad { background: var(--danger); }

/* ============================================================
   로그인
   ============================================================ */
.login { min-height: 100vh; display: grid; grid-template-columns: 1.1fr 1fr; }
.login .side {
  background: var(--ink); color: #fff; padding: 48px;
  display: flex; flex-direction: column; justify-content: space-between;
  /* 카탈로그 지면을 연상시키는 격자 */
  background-image:
    linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
  background-size: 46px 58px;
}
.login .side h1 { font-size: 27px; letter-spacing: -.03em; margin: 0 0 10px; }
.login .side p { color: #97a2ad; font-size: 14px; max-width: 30ch; margin: 0; }
.login .side .foot { font-size: 12px; color: #6d7883; letter-spacing: .04em; }
.login .panel { display: flex; align-items: center; justify-content: center; padding: 32px; }
.login .box { width: 100%; max-width: 340px; }
.login .box h2 { font-size: 19px; margin: 0 0 20px; letter-spacing: -.02em; }
.login .box .row { margin-bottom: 14px; }
.login .box button { width: 100%; }
.login .msg { font-size: 13px; color: var(--danger); margin-top: 12px; min-height: 18px; }

/* ============================================================
   모바일
   ============================================================ */
@media (max-width: 860px) {
  .layout { flex-direction: column; }
  .rail {
    width: 100%; flex-direction: row; overflow-x: auto; gap: 4px;
    padding: 10px 12px; align-items: center;
  }
  .rail .brand, .rail .spacer, .rail .who { display: none; }
  .rail a { white-space: nowrap; padding: 7px 12px; font-size: 13px; }
  .main { padding: 20px 16px 56px; }
  .g2, .g3 { grid-template-columns: 1fr; }
  .span2 { grid-column: auto; }
  .login { grid-template-columns: 1fr; }
  .login .side { padding: 32px 24px; }
  .login .side p, .login .side .foot { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}