/* =====================================================================
   MCP FORGE — Holographic MCP Playground · Interface Stylesheet
   ===================================================================== */
:root {
  --cyan: #46f0ff;
  --cyan-soft: #b8fbff;
  --teal: #1be3c8;
  --violet: #9a6bff;
  --amber: #ffb347;
  --good: #4dffa6;
  --warn: #ffcf5a;
  --bad: #ff6b8a;
  --glass: rgba(8, 26, 46, 0.46);
  --glass-line: rgba(96, 224, 255, 0.32);
  --glow: 0 0 14px rgba(70, 240, 255, 0.55);
  --font-display: 'Orbitron', system-ui, sans-serif;
  --font-mono: 'Share Tech Mono', ui-monospace, monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0; height: 100%; width: 100%; overflow: hidden;
  background: radial-gradient(ellipse at 50% 30%, #07182b 0%, #030a14 55%, #01040a 100%);
  color: var(--cyan-soft);
  font-family: var(--font-mono);
  -webkit-user-select: none; user-select: none;
}

#bg-grid {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(70,240,255,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(70,240,255,0.06) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: radial-gradient(ellipse at 50% 40%, #000 30%, transparent 78%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 40%, #000 30%, transparent 78%);
  animation: gridpan 24s linear infinite;
}
@keyframes gridpan { from { background-position: 0 0; } to { background-position: 46px 46px; } }

#screen-fx { position: fixed; inset: 0; z-index: 50; pointer-events: none; }
.scanlines {
  position: absolute; inset: 0;
  background: repeating-linear-gradient(to bottom,
    rgba(70,240,255,0.04) 0px, rgba(70,240,255,0.04) 1px, transparent 2px, transparent 3px);
  mix-blend-mode: screen; opacity: 0.5;
}
.vignette {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at 50% 45%, transparent 50%, rgba(0,0,0,0.66) 100%);
}

.panel {
  position: fixed; z-index: 10;
  background: linear-gradient(160deg, var(--glass), rgba(4,16,28,0.55));
  border: 1px solid var(--glass-line);
  backdrop-filter: blur(9px); -webkit-backdrop-filter: blur(9px);
  box-shadow: var(--glow), inset 0 0 22px rgba(70,240,255,0.07);
  border-radius: 12px;
}

/* ---------- Top bar ---------- */
#topbar {
  top: 14px; left: 14px; right: 14px; height: 56px;
  display: flex; align-items: center; gap: 22px; padding: 0 20px;
}
.title {
  font-family: var(--font-display); font-weight: 900; letter-spacing: 3px;
  font-size: 17px; color: #eafdff; text-shadow: var(--glow);
  display: flex; align-items: center; gap: 12px; white-space: nowrap;
}
.title .glyph { font-size: 18px; color: var(--cyan); }
.title .sub { font-family: var(--font-mono); font-weight: 400; font-size: 11px; letter-spacing: 2px; color: var(--violet); opacity: 0.8; }
.status { flex: 1; font-size: 12px; letter-spacing: 1.4px; color: var(--cyan); opacity: 0.85; text-align: center; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.author { font-size: 11px; letter-spacing: 2px; color: var(--teal); opacity: 0.8; white-space: nowrap; }

.block-h {
  font-family: var(--font-display); font-size: 11px; letter-spacing: 2.4px;
  color: var(--teal); margin-bottom: 9px;
  border-bottom: 1px solid rgba(70,240,255,0.18); padding-bottom: 5px;
  display: flex; align-items: center; justify-content: space-between;
}
.block-h small { font-family: var(--font-mono); font-size: 10px; letter-spacing: 1px; color: var(--cyan); opacity: 0.7; }
.block-h.gap-top { margin-top: 14px; }
.rules { font-size: 12px; line-height: 1.6; opacity: 0.86; margin: 0 0 12px; }
.rules b { color: var(--cyan); }

/* ---------- Left server panel ---------- */
#server-panel { top: 84px; left: 14px; width: 270px; bottom: 14px; padding: 16px; overflow-y: auto; }
.tool-list { display: flex; flex-direction: column; gap: 8px; }
.tool-card {
  border: 1px solid rgba(70,240,255,0.2); border-radius: 9px; padding: 9px 11px;
  background: rgba(70,240,255,0.05); cursor: pointer; transition: border 0.15s, background 0.15s, opacity 0.2s;
}
.tool-card:hover { border-color: var(--glass-line); background: rgba(70,240,255,0.1); }
.tool-card.active { border-color: var(--cyan); box-shadow: inset 0 0 14px rgba(70,240,255,0.14); }
.tool-card.off { opacity: 0.38; }
.tool-card.calling { border-color: var(--violet); box-shadow: 0 0 16px rgba(154,107,255,0.5); }
.tool-head { display: flex; align-items: center; gap: 8px; }
.tool-ic { font-size: 14px; color: var(--cyan); }
.tool-id { font-size: 13px; color: #eafdff; letter-spacing: 0.5px; flex: 1; }
.tool-toggle { width: 30px; height: 16px; border-radius: 10px; border: 1px solid var(--glass-line); background: rgba(0,0,0,0.4); position: relative; flex: none; }
.tool-toggle::after { content: ""; position: absolute; top: 1px; left: 1px; width: 12px; height: 12px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 8px var(--cyan); transition: left 0.18s; }
.tool-card.off .tool-toggle::after { left: 15px; background: #44566a; box-shadow: none; }
.tool-desc { font-size: 11px; opacity: 0.7; margin-top: 5px; line-height: 1.45; }
.tool-params { font-size: 10px; color: var(--violet); margin-top: 5px; letter-spacing: 0.5px; }

.ghost-btn {
  margin-top: 10px; width: 100%; padding: 9px; border-radius: 8px;
  border: 1px dashed var(--glass-line); background: transparent; color: var(--cyan);
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 1.5px; cursor: pointer;
  transition: background 0.15s, border 0.15s;
}
.ghost-btn:hover { background: rgba(70,240,255,0.1); border-style: solid; }
.ghost-btn.small { margin-top: 8px; width: auto; padding: 6px 14px; font-size: 11px; }

.client-picker { display: flex; flex-direction: column; gap: 6px; }
.client-btn {
  padding: 8px 10px; border-radius: 7px; border: 1px solid transparent; text-align: left;
  background: rgba(70,240,255,0.05); color: var(--cyan-soft);
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.8px; cursor: pointer; transition: 0.15s;
}
.client-btn:hover { background: rgba(70,240,255,0.1); }
.client-btn.active { border-color: var(--cyan); background: rgba(70,240,255,0.14); color: #eafdff; }

/* ---------- Center stage ---------- */
#stage { position: fixed; top: 84px; left: 300px; right: 388px; bottom: 56px; z-index: 6; }
#wires { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; z-index: 1; }
.wire { fill: none; stroke: url(#wireGrad); stroke-width: 2; stroke-dasharray: 6 8; opacity: 0.55; }
.wire.hot { stroke: var(--cyan); stroke-width: 2.5; opacity: 1; filter: drop-shadow(0 0 6px var(--cyan)); animation: dash 0.6s linear infinite; }
@keyframes dash { to { stroke-dashoffset: -28; } }

.node {
  position: absolute; z-index: 2; width: 168px; text-align: center;
  transform: translate(-50%, -50%);
  transition: filter 0.2s;
}
.node-client { left: 16%; top: 36%; }
.node-server { left: 50%; top: 50%; }
.node-tool   { left: 84%; top: 64%; }
.node-glyph {
  font-size: 34px; color: var(--cyan); text-shadow: var(--glow);
  width: 90px; height: 90px; margin: 0 auto; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--glass-line);
  background: radial-gradient(circle at 50% 40%, rgba(70,240,255,0.16), rgba(4,16,28,0.6));
  box-shadow: var(--glow), inset 0 0 18px rgba(70,240,255,0.1);
}
.node-server .node-glyph { color: #eafdff; }
.node-tool .node-glyph { color: var(--violet); border-color: rgba(154,107,255,0.4); box-shadow: 0 0 14px rgba(154,107,255,0.4), inset 0 0 18px rgba(154,107,255,0.1); }
.node-ring {
  position: absolute; left: 50%; top: 45px; width: 110px; height: 110px;
  transform: translate(-50%, -50%); border-radius: 50%;
  border: 1px solid rgba(70,240,255,0.25); animation: pulse 3.2s ease-out infinite;
}
.node-tool .node-ring { border-color: rgba(154,107,255,0.3); }
@keyframes pulse { 0% { transform: translate(-50%,-50%) scale(0.7); opacity: 0.8; } 100% { transform: translate(-50%,-50%) scale(1.5); opacity: 0; } }
.node.live .node-glyph { animation: bump 0.4s ease; }
@keyframes bump { 50% { transform: scale(1.14); } }
.node-name { font-family: var(--font-display); font-size: 12px; letter-spacing: 1.5px; color: #eafdff; margin-top: 10px; }
.node-tag { font-size: 10px; opacity: 0.66; margin-top: 3px; letter-spacing: 0.5px; line-height: 1.3; }
.node-badge {
  display: inline-block; margin-top: 7px; font-size: 10px; letter-spacing: 1px;
  padding: 3px 9px; border-radius: 6px; border: 1px solid var(--glass-line);
  color: var(--violet); background: rgba(154,107,255,0.08);
}
.node-badge.busy { color: var(--good); border-color: rgba(77,255,166,0.4); box-shadow: 0 0 10px rgba(77,255,166,0.3); }

/* packet token traveling along wires */
.packet {
  position: absolute; z-index: 3; width: 12px; height: 12px; border-radius: 50%;
  background: radial-gradient(circle, #fff, var(--cyan)); box-shadow: 0 0 12px var(--cyan), 0 0 4px #fff;
  transform: translate(-50%, -50%); pointer-events: none;
}
.packet.ret { background: radial-gradient(circle, #fff, var(--violet)); box-shadow: 0 0 12px var(--violet), 0 0 4px #fff; }

/* prompt bar */
#prompt-bar { position: absolute; left: 0; right: 0; bottom: 6px; z-index: 4; }
.suggested { display: flex; flex-wrap: wrap; gap: 7px; justify-content: center; margin-bottom: 9px; }
.chip {
  font-size: 11px; letter-spacing: 0.5px; padding: 5px 11px; border-radius: 14px;
  border: 1px solid rgba(70,240,255,0.28); background: rgba(70,240,255,0.07);
  color: var(--cyan-soft); cursor: pointer; transition: 0.15s;
}
.chip:hover { background: rgba(70,240,255,0.16); border-color: var(--cyan); }
.prompt-row { display: flex; gap: 8px; max-width: 560px; margin: 0 auto; }
#prompt-input {
  flex: 1; padding: 12px 15px; border-radius: 10px;
  border: 1px solid var(--glass-line); background: rgba(3,12,22,0.7);
  color: #eafdff; font-family: var(--font-mono); font-size: 13px; letter-spacing: 0.5px; outline: none;
}
#prompt-input:focus { border-color: var(--cyan); box-shadow: 0 0 14px rgba(70,240,255,0.25); }
#send-btn {
  padding: 0 22px; border-radius: 10px; border: 1px solid var(--cyan);
  background: rgba(70,240,255,0.14); color: #eafdff; font-family: var(--font-display);
  font-size: 12px; letter-spacing: 2px; cursor: pointer; transition: 0.15s;
}
#send-btn:hover { background: rgba(70,240,255,0.26); box-shadow: var(--glow); }
#send-btn:disabled { opacity: 0.4; cursor: not-allowed; }

/* ---------- Right console panel ---------- */
#console-panel { top: 84px; right: 14px; width: 360px; bottom: 14px; padding: 0; display: flex; flex-direction: column; overflow: hidden; }
.tabs { display: flex; border-bottom: 1px solid rgba(70,240,255,0.18); }
.tab {
  flex: 1; padding: 12px; background: transparent; border: none; color: var(--cyan-soft);
  font-family: var(--font-display); font-size: 11px; letter-spacing: 1.6px; cursor: pointer; opacity: 0.6;
  border-bottom: 2px solid transparent;
}
.tab.active { opacity: 1; color: #eafdff; border-bottom-color: var(--cyan); text-shadow: var(--glow); }
.tabpane { display: none; flex: 1; min-height: 0; flex-direction: column; }
.tabpane.active { display: flex; }

.trace-log { flex: 1; overflow-y: auto; padding: 14px 16px; font-size: 12px; line-height: 1.65; }
.trace-line { margin-bottom: 4px; opacity: 0; animation: fadein 0.3s forwards; word-break: break-word; }
@keyframes fadein { to { opacity: 1; } }
.trace-line .t { color: var(--teal); margin-right: 7px; }
.trace-line.sys { color: var(--cyan); }
.trace-line.think { color: var(--cyan-soft); opacity: 0.85; font-style: italic; }
.trace-line.call { color: var(--violet); }
.trace-line.ok { color: var(--good); }
.trace-line.warn { color: var(--warn); }
.trace-line.ans { color: #eafdff; border-left: 2px solid var(--cyan); padding-left: 9px; margin: 7px 0; }
.trace-line .mono { color: var(--amber); }

.code-tabs { display: flex; gap: 6px; padding: 10px 12px 0; flex-wrap: wrap; }
.code-tab {
  padding: 6px 10px; border-radius: 6px 6px 0 0; border: 1px solid transparent;
  background: rgba(70,240,255,0.05); color: var(--cyan-soft);
  font-family: var(--font-mono); font-size: 11px; cursor: pointer; opacity: 0.7;
}
.code-tab.active { opacity: 1; border-color: rgba(70,240,255,0.25); border-bottom-color: transparent; background: rgba(70,240,255,0.12); color: #eafdff; }
.code-view {
  flex: 1; overflow: auto; margin: 0; padding: 14px 16px;
  font-family: var(--font-mono); font-size: 11.5px; line-height: 1.55; color: #cfeefb;
  white-space: pre; tab-size: 2;
}
.code-view .k { color: var(--violet); }
.code-view .s { color: var(--good); }
.code-view .c { color: #5e7488; font-style: italic; }
.code-view .d { color: var(--amber); }
#copy-code { margin: 0 16px 14px; }

/* ---------- Hint ---------- */
.hint {
  position: fixed; bottom: 14px; left: 50%; transform: translateX(-50%); z-index: 9;
  font-size: 11px; letter-spacing: 1.4px; color: var(--cyan); opacity: 0.55;
  background: rgba(3,12,22,0.5); padding: 7px 15px; border-radius: 8px;
  border: 1px solid rgba(70,240,255,0.14); white-space: nowrap;
}

/* ---------- Responsive ---------- */
@media (max-width: 1180px) {
  #stage { left: 14px; right: 14px; top: 320px; bottom: 200px; }
  #server-panel { top: 84px; left: 14px; right: 14px; width: auto; bottom: auto; height: 224px; }
  #console-panel { top: auto; bottom: 14px; left: 14px; right: 14px; width: auto; height: 176px; }
  .hint { display: none; }
}
@media (max-width: 720px) {
  .status { display: none; }
  .author { display: none; }
  .title { font-size: 13px; letter-spacing: 1.5px; }
  .node { width: 120px; }
  .node-glyph { width: 64px; height: 64px; font-size: 24px; }
  .node-ring { width: 80px; height: 80px; top: 32px; }
}