/* ==========================================================================
   NEXPERT Admin — 경영관리 웹앱 스타일
   (04_홈페이지 v2 다크 테마 디자인 토큰 재사용)
   ========================================================================== */
:root {
  --bg: #060b16;
  --bg-2: #0a1222;
  --surface: rgba(148, 180, 225, 0.05);
  --surface-2: rgba(148, 180, 225, 0.09);
  --line: rgba(148, 180, 225, 0.14);
  --line-strong: rgba(148, 180, 225, 0.28);
  --text-strong: #f2f6fc;
  --text: #c3d1e4;
  --text-dim: #8fa3bf;
  --accent: #3b8cff;
  --accent-2: #38d9f0;
  --ok: #3ddc97;
  --warn: #ffb454;
  --danger: #ff6b7a;
  --grad: linear-gradient(115deg, #3b8cff 10%, #38d9f0 90%);
  --radius: 16px;
  --maxw: 1140px;
  --header-h: 64px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html, body { overflow-x: clip; }
body {
  font-family: "Pretendard Variable", Pretendard, "Malgun Gothic", "맑은 고딕",
    "Apple SD Gothic Neo", system-ui, sans-serif;
  background:
    radial-gradient(900px 500px at 85% -10%, rgba(59, 140, 255, 0.14), transparent 60%),
    radial-gradient(700px 420px at -10% 30%, rgba(56, 217, 240, 0.08), transparent 55%),
    var(--bg);
  color: var(--text);
  line-height: 1.65;
  word-break: keep-all;
  min-height: 100vh;
}
img, svg { max-width: 100%; vertical-align: middle; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }
input, select, textarea { font: inherit; }
::selection { background: rgba(59, 140, 255, 0.35); color: #fff; }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }
.grad-text {
  background: var(--grad);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}

/* ---------------- 헤더 ---------------- */
.app-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(6, 11, 22, 0.85);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; gap: 18px; height: var(--header-h); }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text-strong); font-weight: 900; letter-spacing: 0.07em; line-height: 1.1; font-size: 1.02rem; }
.brand .brand-mark { display: inline-flex; width: 32px; height: 32px; flex-shrink: 0; filter: drop-shadow(0 4px 14px rgba(59, 140, 255, 0.45)); }
.brand small { display: block; font-size: 0.55rem; font-weight: 600; letter-spacing: 0.3em; color: var(--text-dim); }

.tabs { display: flex; gap: 2px; margin-left: 8px; }
.tabs button {
  background: none; border: 0; color: var(--text); padding: 8px 14px;
  border-radius: 9px; font-weight: 500; font-size: 0.93rem; position: relative;
}
.tabs button::after {
  content: ""; position: absolute; left: 14px; right: 14px; bottom: 2px; height: 2px;
  border-radius: 2px; background: var(--grad); transform: scaleX(0); transform-origin: left;
  transition: transform 0.22s ease;
}
.tabs button:hover { color: var(--text-strong); }
.tabs button.active { color: var(--text-strong); }
.tabs button.active::after { transform: scaleX(1); }

.header-right { margin-left: auto; display: flex; align-items: center; gap: 12px; font-size: 0.85rem; color: var(--text-dim); }
#user-email { max-width: 200px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* 모바일: 헤더 2단 구성 (1단 로고+계정, 2단 전체폭 탭) */
@media (max-width: 760px) {
  .header-inner { flex-wrap: wrap; height: auto; padding-top: 10px; row-gap: 4px; }
  .brand { font-size: 0.92rem; gap: 8px; }
  .brand .brand-mark { width: 28px; height: 28px; }
  .brand .brand-mark svg { width: 28px; height: 28px; }
  #user-email { max-width: 110px; font-size: 0.72rem; }
  .btn-ghost-sm { padding: 5px 10px; font-size: 0.78rem; white-space: nowrap; }
  .tabs {
    order: 3; width: calc(100% + 40px); margin: 6px -20px 0; padding: 0 12px;
    box-sizing: border-box; display: flex; border-top: 1px solid var(--line);
    overflow-x: auto; scrollbar-width: none;
  }
  .tabs::-webkit-scrollbar { display: none; }
  .tabs button { flex: 1 0 auto; min-width: 64px; padding: 11px 6px; font-size: 0.86rem; white-space: nowrap; }
  .toolbar { row-gap: 8px; }
  .tabs button::after { left: 20%; right: 20%; }
}
.btn-ghost-sm {
  background: var(--surface); border: 1px solid var(--line); color: var(--text);
  padding: 6px 13px; border-radius: 9px; font-size: 0.85rem; transition: border-color .15s, color .15s;
}
.btn-ghost-sm:hover { border-color: var(--line-strong); color: var(--text-strong); }

/* ---------------- 공통 컴포넌트 ---------------- */
main { padding: 28px 0 64px; }
.view { display: none; }
.view.active { display: block; }

.card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px; backdrop-filter: blur(6px);
}
.card h2 { color: var(--text-strong); font-size: 1.06rem; margin-bottom: 14px; letter-spacing: 0.01em; }
.card + .card { margin-top: 18px; }

.grid { display: grid; gap: 18px; }
.grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
.grid.cols-2 { grid-template-columns: 1.1fr 0.9fr; }
@media (max-width: 900px) { .grid.cols-4 { grid-template-columns: repeat(2, 1fr); } .grid.cols-2 { grid-template-columns: 1fr; } }

.stat { padding: 18px 20px; }
.stat .label { font-size: 0.8rem; color: var(--text-dim); letter-spacing: 0.04em; }
.stat .value { font-size: 1.55rem; font-weight: 800; color: var(--text-strong); margin-top: 4px; letter-spacing: -0.01em; }
.stat .value.accent { background: var(--grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.stat .sub { font-size: 0.76rem; color: var(--text-dim); margin-top: 4px; }

.btn-primary {
  background: var(--grad); color: #fff; border: 0; font-weight: 700;
  padding: 10px 20px; border-radius: 10px; box-shadow: 0 4px 18px rgba(59, 140, 255, 0.35);
  transition: filter .15s;
}
.btn-primary:hover { filter: brightness(1.12); }
.btn-primary:disabled { opacity: 0.55; filter: none; cursor: default; }

/* 폼 */
.form-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 10px; }
.form-grid label { display: block; font-size: 0.74rem; color: var(--text-dim); margin-bottom: 4px; letter-spacing: 0.03em; }
.f-2 { grid-column: span 2; } .f-3 { grid-column: span 3; } .f-4 { grid-column: span 4; }
.f-6 { grid-column: span 6; } .f-12 { grid-column: span 12; }
@media (max-width: 760px) { .f-2, .f-3, .f-4, .f-6 { grid-column: span 6; } }

input[type="text"], input[type="date"], input[type="number"], input[type="email"], input[type="month"], input[type="url"], select, textarea {
  width: 100%; background: var(--bg-2); border: 1px solid var(--line); color: var(--text-strong);
  border-radius: 10px; padding: 9px 12px; outline: none; transition: border-color .15s, box-shadow .15s;
}
input:focus, select:focus, textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(59, 140, 255, 0.18); }
input::placeholder { color: rgba(143, 163, 191, 0.55); }
select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%238fa3bf' stroke-width='1.6' fill='none' stroke-linecap='round'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 12px center; padding-right: 30px; }

.check { display: flex; align-items: center; gap: 8px; height: 40px; font-size: 0.88rem; color: var(--text); }
.check input { width: 16px; height: 16px; accent-color: var(--accent); }

/* 테이블 */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
th { text-align: left; font-size: 0.74rem; font-weight: 600; color: var(--text-dim); letter-spacing: 0.05em; padding: 8px 10px; border-bottom: 1px solid var(--line-strong); white-space: nowrap; }
td { padding: 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
tr:hover td { background: rgba(148, 180, 225, 0.03); }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.t-strong { color: var(--text-strong); font-weight: 600; }
.t-dim { color: var(--text-dim); font-size: 0.82rem; }
.amount-out { color: var(--danger); font-weight: 700; }
.amount-in { color: var(--ok); font-weight: 700; }

.chip { display: inline-block; padding: 2px 9px; border-radius: 99px; font-size: 0.72rem; border: 1px solid var(--line-strong); color: var(--text-dim); white-space: nowrap; }
.chip.ok { color: var(--ok); border-color: rgba(61, 220, 151, 0.4); }
.chip.warn { color: var(--warn); border-color: rgba(255, 180, 84, 0.4); }
.chip.info { color: var(--accent-2); border-color: rgba(56, 217, 240, 0.4); }

.row-actions { display: flex; gap: 6px; }
.icon-btn {
  background: none; border: 1px solid var(--line); color: var(--text-dim);
  border-radius: 8px; padding: 3px 10px; font-size: 0.78rem; transition: color .15s, border-color .15s;
}
.icon-btn:hover { color: var(--text-strong); border-color: var(--line-strong); }
.icon-btn.danger:hover { color: var(--danger); border-color: rgba(255, 107, 122, 0.5); }

.toolbar { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; flex-wrap: wrap; }
.toolbar .spacer { flex: 1; }
.empty { text-align: center; color: var(--text-dim); padding: 34px 0; font-size: 0.9rem; }

/* 카테고리 바 */
.cat-row { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; font-size: 0.85rem; }
.cat-row .name { width: 110px; flex-shrink: 0; color: var(--text); }
.cat-row .bar { flex: 1; height: 8px; border-radius: 6px; background: var(--surface-2); overflow: hidden; }
.cat-row .bar i { display: block; height: 100%; border-radius: 6px; background: var(--grad); }
.cat-row .val { width: 110px; text-align: right; font-variant-numeric: tabular-nums; color: var(--text-strong); flex-shrink: 0; }

/* ---------------- 로그인 화면 ---------------- */
.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 24px; }
.login-card {
  width: 100%; max-width: 420px; background: var(--surface); border: 1px solid var(--line);
  border-radius: 20px; padding: 40px 36px; backdrop-filter: blur(10px);
  box-shadow: 0 24px 80px rgba(3, 8, 20, 0.55);
}
.login-card .brand { justify-content: center; margin-bottom: 8px; }
.login-card .subtitle { text-align: center; font-size: 0.85rem; color: var(--text-dim); margin-bottom: 28px; }
.login-card h1 { text-align: center; font-size: 1.25rem; color: var(--text-strong); margin-bottom: 22px; }
.login-card .field { margin-bottom: 14px; }
.login-card label { display: block; font-size: 0.78rem; color: var(--text-dim); margin-bottom: 6px; }
.login-card .btn-primary { width: 100%; padding: 12px; margin-top: 6px; }
.login-msg { margin-top: 14px; font-size: 0.84rem; text-align: center; min-height: 1.4em; }
.login-msg.err { color: var(--danger); }
.login-msg.ok { color: var(--ok); }
.code-input { letter-spacing: 0.5em; text-align: center; font-size: 1.3rem; font-weight: 700; }
.login-foot { margin-top: 26px; text-align: center; font-size: 0.72rem; color: var(--text-dim); letter-spacing: 0.04em; }
.hidden { display: none; }

/* 첨부 파일 목록 */
.file-list li {
  display: flex; align-items: center; gap: 12px;
  padding: 9px 4px; border-bottom: 1px solid var(--line); font-size: 0.88rem;
}
.file-list li a { color: var(--text-strong); border-bottom: 1px dotted var(--line-strong); word-break: break-all; }
.file-list li .t-dim { margin-left: auto; flex-shrink: 0; }
.file-list li.empty { justify-content: center; border: 0; }

/* 토스트 */
#toast {
  position: fixed; left: 50%; bottom: 30px; transform: translateX(-50%) translateY(20px);
  background: rgba(10, 18, 34, 0.95); border: 1px solid var(--line-strong); color: var(--text-strong);
  padding: 11px 22px; border-radius: 12px; font-size: 0.88rem; opacity: 0; pointer-events: none;
  transition: opacity .25s, transform .25s; z-index: 200; box-shadow: 0 12px 40px rgba(3, 8, 20, 0.6);
}
#toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
#toast.err { border-color: rgba(255, 107, 122, 0.5); }