:root {
  --bg: #14100d;
  --panel: #2b2b2b;
  --panel2: #1d1d1d;
  --edge: #0d0d0d;
  --hi: #5b5b5b;
  --txt: #f0f0f0;
  --dim: #a8a8a8;
  --green: #5fca35;
  --green-d: #3d8a22;
  --red: #d84a4a;
  --red-d: #8f2b2b;
  --yellow: #e0b33c;
  --yellow-d: #9c7a24;
  --gray: #7d7d7d;
  --gray-d: #4a4a4a;
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--txt);
  font-family: "Segoe UI", system-ui, sans-serif;
  background-image:
    repeating-linear-gradient(0deg, rgba(0,0,0,.14) 0 2px, transparent 2px 4px);
  min-height: 100vh;
}
.hidden { display: none !important; }
.screen { max-width: 960px; margin: 0 auto; padding: 16px; }

/* login */
#login-screen { display: flex; justify-content: center; padding-top: 12vh; }
.login-card { width: 340px; text-align: center; padding: 32px 28px; }
.login-card h1 { margin: 0 0 4px; letter-spacing: 2px; }
.login-card .sub { color: var(--dim); margin: 0 0 20px; }
.login-card input { width: 100%; margin-bottom: 12px; }
.login-card button { width: 100%; }
.err { color: var(--red); min-height: 1.2em; }

/* panels & buttons ala minecraft */
.mc-panel {
  background: var(--panel);
  border: 3px solid var(--edge);
  box-shadow: inset 3px 3px 0 var(--hi), inset -3px -3px 0 #1a1a1a;
  padding: 16px 18px; margin-bottom: 16px;
}
.mc-panel h2 { margin: 0 0 12px; font-size: 1.05rem; color: var(--yellow); text-shadow: 2px 2px 0 #000; }
.mc-btn {
  font: inherit; font-weight: bold; color: #fff; text-shadow: 2px 2px 0 rgba(0,0,0,.5);
  background: var(--gray); border: 3px solid var(--edge); padding: 10px 18px; cursor: pointer;
  box-shadow: inset 2px 2px 0 var(--gray-d), inset -2px -2px 0 #333;
}
.mc-btn:hover { filter: brightness(1.12); }
.mc-btn:active { transform: translateY(1px); }
.mc-btn.green { background: var(--green-d); box-shadow: inset 2px 2px 0 var(--green), inset -2px -2px 0 #2a5c17; }
.mc-btn.red { background: var(--red-d); box-shadow: inset 2px 2px 0 var(--red), inset -2px -2px 0 #5f1c1c; }
.mc-btn.yellow { background: var(--yellow-d); box-shadow: inset 2px 2px 0 var(--yellow), inset -2px -2px 0 #6b5218; }
.mc-btn.small { padding: 6px 12px; font-size: .85rem; }
.mc-btn.big { padding: 12px 28px; font-size: 1.05rem; }

input[type=text], input[type=password], input, select {
  font: inherit; color: var(--txt); background: #0f0f0f;
  border: 3px solid var(--edge); padding: 9px 10px; outline: none;
}
input:focus { border-color: var(--green-d); }
.row { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 8px; }
.row input { flex: 1; min-width: 140px; }
.hint { color: var(--dim); font-size: .85rem; }
.kv { display: flex; justify-content: space-between; padding: 7px 0; border-bottom: 1px solid #3a3a3a; }
.kv span { color: var(--dim); }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 700px) { .grid2 { grid-template-columns: 1fr; } }

/* topbar & tabs */
.topbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.brand { font-weight: bold; font-size: 1.2rem; letter-spacing: 1px; text-shadow: 2px 2px 0 #000; }
.brand .tag { background: var(--red-d); font-size: .7rem; padding: 2px 8px; border: 2px solid var(--edge); vertical-align: middle; }
.top-right { display: flex; align-items: center; gap: 8px; }
.dot { width: 12px; height: 12px; border-radius: 50%; background: var(--gray); border: 2px solid #000; display: inline-block; }
.dot.on { background: var(--green); box-shadow: 0 0 8px var(--green); }
.dot.off { background: var(--red); }
.tabs { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 16px; }
.tab {
  font: inherit; font-weight: bold; color: var(--dim); background: var(--panel2);
  border: 3px solid var(--edge); padding: 9px 16px; cursor: pointer;
}
.tab.active { color: #fff; background: var(--gray-d); box-shadow: inset 2px 2px 0 var(--gray); }
.tabpanel { display: none; }
.tabpanel.active { display: block; }

/* players */
.plist .prow { display: flex; justify-content: space-between; align-items: center; padding: 8px 4px; border-bottom: 1px solid #3a3a3a; }
.prow .nm { font-weight: bold; }
.prow .acts { display: flex; gap: 6px; flex-wrap: wrap; }
.badge-op { background: var(--yellow-d); color: #fff; font-size: .7rem; padding: 2px 8px; border: 2px solid var(--edge); margin-left: 8px; }

/* cheat */
.cheatbox { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; margin: 12px 0; }
.bigstate { font-size: 1.6rem; font-weight: bold; text-shadow: 2px 2px 0 #000; }
.bigstate.on { color: var(--green); }
.bigstate.off { color: var(--red); }
.switch { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; cursor: pointer; }
.switch input { width: 22px; height: 22px; accent-color: var(--green); }

/* settings */
.srow { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 8px 0; border-bottom: 1px solid #3a3a3a; }
.srow label { flex: 1; }
.srow input, .srow select { width: 220px; }
.srow input[type=checkbox] { width: 22px; height: 22px; accent-color: var(--green); }
.srow .meta { display: block; color: var(--dim); font-size: .78rem; }

/* terminal */
.term {
  background: #0a0a0a; border: 3px solid var(--edge); padding: 12px;
  min-height: 80px; max-height: 320px; overflow: auto;
  font-family: monospace; font-size: .82rem; white-space: pre-wrap; word-break: break-word;
  color: #c8c8c8;
}

/* perf */
.perfgrid { display: grid; grid-template-columns: repeat(auto-fit, minmax(110px, 1fr)); gap: 10px; margin-bottom: 12px; }
.perf { background: #141414; border: 3px solid var(--edge); padding: 12px 10px; text-align: center; }
.perf span { display: block; color: var(--dim); font-size: .72rem; margin-bottom: 6px; }
.perf b { font-size: 1.15rem; text-shadow: 2px 2px 0 #000; }
#tps-chart { width: 100%; height: 90px; background: #0c0c0c; border: 3px solid var(--edge); }

/* gamerules */
.grow { display: flex; justify-content: space-between; align-items: center; gap: 10px; padding: 7px 2px; border-bottom: 1px solid #3a3a3a; }
.grow .gl b { display: block; font-size: .88rem; }
.grow .gl span { color: var(--dim); font-size: .75rem; }
.grow .gv { display: flex; gap: 6px; align-items: center; }
.gv input[type=text], .gv select { width: 110px; padding: 5px 8px; font-size: .85rem; }
.gv input[type=checkbox] { width: 22px; height: 22px; accent-color: var(--green); }

/* code editor */
.codeed { width: 100%; min-height: 320px; font-family: monospace; font-size: .82rem; background: #0c0c0c; color: #d8d8d8; }
.btnrow { display: flex; gap: 8px; }
#file-list .prow { cursor: pointer; }
#file-list .prow:hover { background: #242424; }