:root{--bg:#0c1220;--s1:#141c2f;--s2:#1b2740;--bd:#2b3b58;--tx:#e2ebff;--tx2:#95a4c0;--ac:#1871e8;--ac2:#58a3ff;--grn:#22c55e;--org:#fdcb6e;--red:#ff6b6b;--blu:#74b9ff}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:-apple-system,BlinkMacSystemFont,'Noto Sans KR',system-ui,sans-serif;background:var(--bg);color:var(--tx);line-height:1.6;font-size:14px;-webkit-font-smoothing:antialiased;overflow-x:hidden}
.wrap{max-width:1200px;margin:0 auto;padding:20px}

/* Header / Nav */
.header{display:flex;align-items:center;justify-content:space-between;padding:16px 0;border-bottom:1px solid var(--bd);margin-bottom:24px;flex-wrap:wrap;gap:8px}
.header h1{font-size:1.4rem;background:linear-gradient(135deg,var(--ac2),var(--grn));-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.header .user{display:flex;flex-wrap:wrap;gap:6px;color:var(--tx2);font-size:.85rem}
.nav-toggle{display:none}

/* Links */
a{color:var(--blu);text-decoration:none}
a:hover{text-decoration:underline}

/* Buttons */
.btn{display:inline-block;padding:8px 16px;border-radius:8px;border:1px solid var(--bd);background:var(--s2);color:var(--tx);cursor:pointer;font-size:.85rem;text-decoration:none;transition:background .15s,border-color .15s;text-align:center}
.btn:hover{background:var(--ac);color:#fff;border-color:var(--ac);text-decoration:none}
.btn.danger{border-color:var(--red)}.btn.danger:hover{background:var(--red)}
.btn.green{border-color:var(--grn)}.btn.green:hover{background:var(--grn);color:#000}
.btn.sm{padding:5px 12px;font-size:.78rem}

/* Cards */
.card{background:var(--s1);border:1px solid var(--bd);border-radius:12px;padding:20px;margin-bottom:16px;overflow:hidden}
.card h3{font-size:1.1rem;margin-bottom:8px}
.card .meta{color:var(--tx2);font-size:.8rem}

/* Stats */
.stats{display:flex;gap:12px;margin:8px 0;flex-wrap:wrap}
.stat{background:var(--s2);padding:8px 14px;border-radius:8px;text-align:center}
.stat .num{font-size:1.3rem;font-weight:700;color:var(--grn)}
.stat .label{font-size:.7rem;color:var(--tx2)}

/* Tables (desktop) */
table{width:100%;border-collapse:collapse;font-size:.85rem}
th{background:var(--s2);color:var(--ac2);font-weight:600;text-align:left;padding:10px 12px;border-bottom:2px solid var(--bd);white-space:nowrap}
td{padding:8px 12px;border-bottom:1px solid var(--bd)}
tr:hover td{background:rgba(108,92,231,.04)}

/* Badge */
.badge{display:inline-block;padding:2px 8px;border-radius:10px;font-size:.7rem;font-weight:600}
.badge.on{background:rgba(0,210,211,.2);color:var(--grn)}
.badge.off{background:rgba(255,107,107,.2);color:var(--red)}

/* Form elements */
input[type=text],input[type=password],input[type=number],select,textarea{background:var(--s2);border:1px solid var(--bd);color:var(--tx);padding:10px 12px;border-radius:8px;font-size:.9rem;width:100%;-webkit-appearance:none;appearance:none}
input:focus,select:focus{outline:none;border-color:var(--ac)}
.form-row{display:flex;gap:8px;align-items:center;margin:8px 0}
.form-row input,.form-row select{flex:1}

/* Misc */
.empty{text-align:center;padding:40px;color:var(--tx2)}
.error{color:var(--red);font-size:.85rem;margin-bottom:12px}
.warn-box{background:rgba(253,203,110,.08);border:1px solid var(--org);border-radius:8px;padding:12px 16px;margin:8px 0;font-size:.85rem;color:var(--org)}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}

/* Login */
.login-wrap{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:16px}
.login-box{background:var(--s1);border:1px solid var(--bd);border-radius:16px;padding:40px;width:380px;max-width:100%;text-align:center}
.login-box h2{margin-bottom:8px;color:var(--ac2)}
.login-box p{color:var(--tx2);font-size:.85rem;margin-bottom:24px}
.login-box input{margin-bottom:12px}
.login-box .btn{width:100%;padding:12px;font-size:1rem}
.cards-responsive{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px}

/* ── Mobile: card-style tables ── */
@media(max-width:768px){
  .wrap{padding:14px}
  h2{font-size:1.15rem !important}

  /* Nav → collapsible menu */
  .header{flex-direction:column;align-items:stretch;gap:10px;padding:10px 0}
  .header h1{font-size:1.15rem;text-align:center}
  .nav-toggle{display:flex;align-items:center;justify-content:center;width:100%;min-height:44px;padding:10px 14px;border-radius:10px;border:1px solid var(--bd);background:var(--s2);color:var(--tx);cursor:pointer;font-size:.9rem}
  .header .user{display:none;gap:8px;flex-wrap:nowrap;flex-direction:column}
  .header .user.open{display:flex}
  .header .user .btn.sm{min-height:44px;padding:10px 12px;font-size:.85rem;margin:0 !important;white-space:normal;width:100%}
  .cards-responsive{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}

  /* Forms → stack */
  .form-row{flex-direction:column;gap:8px}
  .form-row input,.form-row select,.form-row .btn{width:100% !important;flex:none !important}
  .form-row .btn{padding:12px}

  /* Cards */
  .card{padding:14px;border-radius:10px}
  .card h3{font-size:.95rem}

  /* Stats */
  .stat{flex:1;min-width:0;padding:8px 10px}
  .stat .num{font-size:1.1rem}

  /* Tables → card layout */
  .table-scroll{overflow:visible;margin:0}
  table,thead,tbody,th,td,tr{display:block}
  thead{display:none}
  tr{background:var(--s1);border:1px solid var(--bd);border-radius:10px;margin-bottom:10px;padding:12px 14px;position:relative}
  tr:hover td{background:transparent}
  td{padding:4px 0;border:none;font-size:.85rem;display:flex;justify-content:space-between;align-items:center;gap:8px;flex-wrap:wrap}
  td::before{content:attr(data-label);font-weight:600;color:var(--ac2);font-size:.75rem;min-width:60px;flex-shrink:0}
  td:last-child{padding-top:8px;margin-top:4px;border-top:1px solid var(--bd);justify-content:flex-end}
  td:last-child::before{display:none}
  td .btn.sm{padding:6px 12px;font-size:.78rem}
  .btn,.crumb-btn,.ctx-btn,button,input,select,textarea{min-height:44px}

  /* Inline style overrides */
  [style*="display:flex"][style*="gap"]{flex-wrap:wrap !important}
  [style*="white-space:nowrap"]{white-space:normal !important}
  [style*="font-family:monospace"]{font-size:.75rem !important}
  input[type=text][readonly]{font-size:.75rem !important}

  /* Login */
  .login-box{padding:28px 20px}
  .empty{padding:20px;font-size:.85rem}
}
@media(max-width:480px){
  .cards-responsive{grid-template-columns:1fr}
}