:root {
  --rail: #1e2b3a;
  --topbar: #22303f;
  --bg: #2b3b4d;
  --surface: #2c3e50;
  --head: #26374a;
  --raised: #34495e;
  --line: #3a4d61;
  --line-soft: #334457;
  --text: #ecf0f1;
  --dim: #95a5a6;
  --dimmer: #7f8c8d;
  --accent: #3498db;
  --accent-dark: #2980b9;
  --violet: #b388dd;
  --ok: #2ecc71;
  --warn: #e67e22;
  --bad: #e74c3c;
  --rail-w: 58px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--text);
  font: 13px/1.5 "Segoe UI", "Malgun Gothic", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}

button, input, select {
  font: inherit; color: inherit; background: var(--raised);
  border: 1px solid var(--line); border-radius: 3px; padding: 5px 10px;
}
button { cursor: pointer; }
button:hover { background: #3d566e; border-color: #4a6076; }
input:focus { outline: none; border-color: var(--accent); }
input::placeholder { color: var(--dimmer); }

.btn-primary { background: var(--accent-dark); border-color: var(--accent-dark); color: #fff; font-weight: 600; }
.btn-primary:hover { background: var(--accent); border-color: var(--accent); }
.btn-sm { padding: 2px 9px; font-size: 12px; }

/* ---------------------------------------------------------- 로그인 */
#login { position: fixed; inset: 0; background: var(--bg); display: flex; align-items: center; justify-content: center; z-index: 200; }
#login .box { width: 330px; background: var(--surface); border: 1px solid var(--line); border-radius: 4px; padding: 30px; }
#login h1 { font-size: 16px; font-weight: 700; letter-spacing: .07em; margin-bottom: 4px; text-transform: uppercase; color: var(--violet); }
#login p { color: var(--dim); font-size: 12px; margin-bottom: 20px; }
#login input { width: 100%; margin-bottom: 10px; padding: 8px 11px; }
#login button { width: 100%; padding: 8px; }
#login .err { color: var(--bad); font-size: 12px; margin-top: 10px; min-height: 16px; }

/* ---------------------------------------------------------- 레일 */
#app { display: none; }
#app.on { display: block; }

#rail {
  position: fixed; left: 0; top: 0; bottom: 0; width: var(--rail-w);
  background: var(--rail); border-right: 1px solid #16202b;
  display: flex; flex-direction: column; align-items: center; padding: 11px 0; gap: 4px; z-index: 30;
}
#rail .logo { width: 36px; height: 36px; border-radius: 7px; background: #e8673c; display: grid; place-items: center; font-weight: 800; font-size: 17px; color: #fff; margin-bottom: 10px; }
#rail .ic { width: 38px; height: 38px; border-radius: 6px; display: grid; place-items: center; color: var(--dim); cursor: pointer; font-size: 15px; font-weight: 700; }
#rail .ic:hover { background: #28384a; color: var(--text); }
#rail .ic.on { background: var(--accent-dark); color: #fff; }
#rail .sp { flex: 1; }
#rail .beta { font-size: 9px; letter-spacing: .1em; color: var(--dimmer); margin-bottom: 4px; }

/* ---------------------------------------------------------- 상단바 */
#top {
  position: fixed; left: var(--rail-w); right: 0; top: 0; height: 62px; background: var(--topbar);
  display: flex; align-items: center; padding: 0 24px; gap: 20px; z-index: 20;
}
#top .srv { min-width: 0; }
#top .srv .n { font-weight: 700; font-size: 18px; letter-spacing: .04em; text-transform: uppercase; color: var(--violet); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
#top .srv .r { font-size: 10.5px; color: var(--dim); letter-spacing: .12em; text-transform: uppercase; margin-top: 1px; }
#top .spacer { flex: 1; }
#top nav { display: flex; gap: 4px; }
#top nav a { padding: 7px 15px; color: var(--text); font-size: 13px; font-weight: 700; letter-spacing: .07em; text-transform: uppercase; cursor: pointer; border-radius: 3px; }
#top nav a:hover { color: var(--accent); }
#top nav a.on { color: var(--accent); }
#top .state { text-align: right; min-width: 150px; }
#top .state .s { font-size: 17px; font-weight: 700; letter-spacing: .04em; color: var(--bad); }
#top .state .s.on { color: var(--ok); }
#top .state .u { font-size: 11px; color: var(--dim); }

main { margin-left: var(--rail-w); padding: 78px 24px 28px; }
section.page { display: none; }
section.page.on { display: block; }

/* ---------------------------------------------------------- 섹션 */
.sec { margin-bottom: 26px; }
.sec > .hd { display: flex; align-items: baseline; gap: 12px; margin-bottom: 9px; }
.sec > .hd h2 { font-size: 21px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; }
.sec > .hd h2 .c { color: var(--dim); font-weight: 600; }
.sec > .hd .sub { font-size: 11.5px; color: var(--dim); }
.sec > .hd .spacer { flex: 1; }

.box { background: var(--surface); border: 1px solid var(--line); border-radius: 3px; overflow: hidden; }

/* ---------------------------------------------------------- 지표 */
.metrics { display: grid; grid-template-columns: repeat(auto-fit, minmax(112px, 1fr)); }
.metrics .m { padding: 11px 15px; border-right: 1px solid var(--line-soft); }
.metrics .m:last-child { border-right: 0; }
.metrics .k { color: var(--dim); font-size: 11px; text-transform: uppercase; letter-spacing: .05em; margin-bottom: 3px; }
.metrics .v { font-size: 17px; font-weight: 700; font-variant-numeric: tabular-nums; }
.metrics .v small { font-size: 11.5px; color: var(--dim); font-weight: 400; }

/* ---------------------------------------------------------- 표 */
table { width: 100%; border-collapse: collapse; }
th { text-align: left; font-size: 11px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--dim); padding: 9px 13px; background: var(--head); border-bottom: 1px solid var(--line); white-space: nowrap; }
th.sortable { cursor: pointer; user-select: none; }
th.sortable:hover { color: var(--text); }
td { padding: 7px 13px; border-bottom: 1px solid var(--line-soft); font-variant-numeric: tabular-nums; white-space: nowrap; }
tr:last-child td { border-bottom: 0; }
tbody tr { cursor: pointer; }
tbody tr:hover td { background: var(--raised); }
td.nm { font-weight: 600; white-space: normal; word-break: break-all; }
.mono { font-family: Consolas, "D2Coding", monospace; font-size: 12px; color: var(--dim); }
.empty { padding: 28px; text-align: center; color: var(--dimmer); }
.dot { display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: var(--dimmer); margin-right: 7px; }
.dot.on { background: var(--ok); }
.warnico { color: var(--warn); margin-right: 4px; }

/* ---------------------------------------------------------- 활동 */
.filters { display: flex; gap: 5px; flex-wrap: wrap; }
.filters button { border-radius: 11px; font-size: 11.5px; padding: 2px 11px; color: var(--dim); background: transparent; }
.filters button.on { background: var(--accent-dark); border-color: var(--accent-dark); color: #fff; font-weight: 600; }

.events { max-height: calc(100vh - 215px); overflow-y: auto; }
.ev { display: flex; gap: 10px; padding: 6px 13px; border-bottom: 1px solid var(--line-soft); align-items: baseline; }
.ev:hover { background: var(--raised); }
.ev .t { color: var(--dimmer); font-family: Consolas, monospace; font-size: 11.5px; flex-shrink: 0; }
.ev .tag { flex-shrink: 0; font-size: 10.5px; padding: 1px 7px; border-radius: 3px; font-weight: 700; letter-spacing: .04em; }
.ev .b { min-width: 0; word-break: break-word; }
.tag-chat { background: #1f4e6d; color: #7fc4ef; }
.tag-join { background: #1e5137; color: #6fe0a0; }
.tag-leave { background: #3a4a5c; color: var(--dim); }
.tag-kill { background: #5c2b22; color: #f0907f; }
.tag-spawn { background: #3a4a5c; color: var(--dim); }
.tag-panel { background: #5c4420; color: #f0b96b; }
.tag-error { background: #5c2b22; color: #f0907f; }

/* ---------------------------------------------------------- 맵 */
.mapwrap { position: relative; background: #223044; display: grid; place-items: center; padding: 14px; }
.mapwrap img { max-width: 100%; max-height: calc(100vh - 230px); border-radius: 3px; display: block; }
.mapnote { padding: 9px 13px; border-top: 1px solid var(--line); color: var(--dim); font-size: 12px; background: var(--head); }

/* ---------------------------------------------------------- 콘솔 */
#term { height: calc(100vh - 210px); min-height: 280px; overflow-y: auto; background: #243445; padding: 10px 14px; font-family: Consolas, "D2Coding", monospace; font-size: 12px; line-height: 1.6; }
#term div { white-space: pre-wrap; word-break: break-all; }
#term .t { color: var(--dimmer); margin-right: 9px; }
#term .panel-line { color: var(--accent); }
#term .error { color: #f0907f; }
#term .system { color: #f0b96b; }
#term .chat { color: #7fc4ef; }
.cmdbar { display: flex; gap: 8px; padding: 10px 13px; border-top: 1px solid var(--line); background: var(--head); }
.cmdbar input { flex: 1; font-family: Consolas, "D2Coding", monospace; }
.quick { display: flex; gap: 5px; flex-wrap: wrap; }

/* ---------------------------------------------------------- 우클릭 메뉴 */
#menu {
  position: fixed; z-index: 150; min-width: 230px; background: var(--surface);
  border: 1px solid #4a6076; border-radius: 3px; box-shadow: 0 10px 30px rgba(0,0,0,.5);
  padding: 0 0 4px; display: none; font-size: 12.5px;
}
#menu.on { display: block; }
#menu .hd { padding: 7px 13px; background: var(--accent-dark); color: #fff; font-weight: 700; word-break: break-all; text-align: center; }
#menu .it { padding: 5px 13px 5px 0; cursor: pointer; display: flex; align-items: center; }
#menu .it .key { width: 26px; flex-shrink: 0; text-align: center; color: var(--dimmer); font-family: Consolas, monospace; font-size: 11px; }
#menu .it:hover { background: var(--accent-dark); color: #fff; }
#menu .it:hover .key { color: #cfe6f7; }
#menu .it.bad:hover { background: #a93226; }
#menu .sep { height: 1px; background: var(--line); margin: 4px 0; }