/* =============================================================
   EIPME Netzwerk-Lab — App-Layout
   Nutzt die Design-System-Token aus eipme-tokens.css.
   ============================================================= */

* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }

body {
  background:
    radial-gradient(120% 90% at 85% -10%, rgba(31,94,255,0.10), transparent 60%),
    radial-gradient(80% 70% at 8% 110%, rgba(31,94,255,0.07), transparent 55%),
    var(--bg);
  overflow: hidden;
}
[data-theme="dark"] body {
  background:
    radial-gradient(120% 90% at 85% -10%, rgba(31,94,255,0.22), transparent 60%),
    radial-gradient(70% 70% at 6% 112%, rgba(255,59,71,0.07), transparent 55%),
    var(--bg);
}

#root { height: 100%; }

.app {
  height: 100%;
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: var(--s-3);
  padding: var(--s-4);
}

/* ---------------- Header ---------------- */
.hdr {
  display: flex; align-items: center; gap: var(--s-4);
  padding: var(--s-2) var(--s-4) var(--s-2) var(--s-3);
  position: relative; z-index: 30;
}
.brand { display: flex; align-items: center; gap: var(--s-3); }
.brand .logo { width: 44px; height: 44px; border-radius: 10px; box-shadow: var(--shadow-2); }
.brand .names { display: flex; flex-direction: column; line-height: 1; gap: 4px; }
.brand .product { font-family: var(--font-display); font-weight: 600; font-size: 18px; letter-spacing: -0.01em; color: var(--fg-1); }
.brand .tag { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--fg-3); }

.hdr .spacer { flex: 1; }

/* Mode switch (segmented) */
.modesw {
  display: flex; padding: 4px; gap: 4px; border-radius: var(--r-pill);
  position: relative; width: 392px;
}
.modesw button {
  appearance: none; border: 0; background: transparent; cursor: pointer;
  font-family: var(--font-body); font-weight: 500; font-size: 14px;
  color: var(--fg-2); padding: 9px 18px; border-radius: var(--r-pill);
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  flex: 1 1 0; white-space: nowrap;
  transition: color var(--dur-fast) var(--ease-out);
}
.modesw button .ic { width: 17px; height: 17px; opacity: 0.85; }
.modesw button[data-active="true"] { color: #fff; }
.modesw .pill {
  position: absolute; top: 4px; left: 4px; height: calc(100% - 8px);
  width: calc(50% - 6px);
  border-radius: var(--r-pill); background: var(--brand-gradient-vivid);
  box-shadow: var(--shadow-glow);
  transition: transform var(--dur-med) var(--ease-out);
  z-index: 0; pointer-events: none;
}
.modesw button { position: relative; z-index: 1; }

/* round icon buttons */
.iconbtn {
  appearance: none; cursor: pointer; width: 42px; height: 42px;
  border-radius: var(--r-pill); display: grid; place-items: center;
  background: var(--glass-bright-fill-strong); border: 1px solid var(--glass-bright-stroke);
  color: var(--fg-2); transition: all var(--dur-fast) var(--ease-out);
  backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
}
[data-theme="dark"] .iconbtn { background: var(--glass-dark-fill-strong); border-color: var(--glass-dark-stroke); color: var(--fg-2); }
.iconbtn:hover { filter: brightness(1.06); color: var(--fg-1); }
.iconbtn:active { transform: scale(0.95); }
.iconbtn .ic { width: 20px; height: 20px; }
.iconbtn[data-on="false"] { opacity: 0.55; }

/* ---------------- Body grid ---------------- */
.body {
  display: grid; grid-template-columns: 1fr 384px; gap: var(--s-4);
  min-height: 0;
}

/* Diagram stage */
.stage {
  position: relative; border-radius: var(--r-2xl); overflow: hidden;
  background:
    radial-gradient(90% 80% at 50% 0%, rgba(31,94,255,0.06), transparent 70%),
    var(--bg-elev);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-3);
  display: flex; align-items: center; justify-content: center;
}
[data-theme="dark"] .stage {
  background:
    radial-gradient(90% 80% at 50% -5%, rgba(31,94,255,0.16), transparent 70%),
    var(--bg-sunken);
}
.stage svg.diagram { width: 100%; height: 100%; display: block; }

/* faint dot grid behind diagram */
.stage::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: radial-gradient(currentColor 1px, transparent 1.4px);
  background-size: 34px 34px; color: var(--fg-1); opacity: 0.04;
}

/* ---------------- Right rail ---------------- */
.rail {
  display: flex; flex-direction: column; gap: var(--s-3); min-height: 0;
  overflow-y: auto; padding-right: 2px;
}
.rail::-webkit-scrollbar { width: 8px; }
.rail::-webkit-scrollbar-thumb { background: var(--line-strong); border-radius: 99px; }

.panel {
  border-radius: var(--r-xl); padding: var(--s-5);
  background: var(--bg-elev); border: 1px solid var(--line); box-shadow: var(--shadow-2);
}
.panel.glass {
  background: var(--glass-bright-fill-strong); border-color: var(--glass-bright-stroke);
  backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
}
[data-theme="dark"] .panel.glass { background: var(--glass-dark-fill-strong); border-color: var(--glass-dark-stroke); }

.panel .phead { display: flex; align-items: center; gap: 10px; margin-bottom: var(--s-3); }
.panel .phead .ic { width: 18px; height: 18px; color: var(--accent); }
.eyebrow { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--fg-3); }

/* Learn card */
.learn .ltitle { font-family: var(--font-display); font-weight: 600; font-size: 21px; letter-spacing: -0.02em; color: var(--fg-1); margin: 0 0 4px; }
.learn .licon {
  width: 52px; height: 52px; border-radius: var(--r-md); display: grid; place-items: center;
  background: rgba(31,94,255,0.10); color: var(--accent); flex: none;
}
[data-theme="dark"] .learn .licon { background: rgba(90,130,255,0.16); }
.learn .licon .ic { width: 28px; height: 28px; }
.learn .qrow { margin-top: var(--s-4); }
.learn .qlabel { display: flex; align-items: center; gap: 8px; font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--fg-3); margin-bottom: 5px; }
.learn .qlabel .dot { width: 7px; height: 7px; border-radius: 99px; background: var(--accent); }
.learn .qrow.warn .dot { background: var(--signal); }
.learn .qtext { font-size: 14.5px; line-height: 1.5; color: var(--fg-2); }
.learn .empty { color: var(--fg-3); font-size: 14px; line-height: 1.55; }

/* Scenario player */
.scen-list { display: flex; flex-direction: column; gap: 8px; }
.scen-item {
  display: flex; align-items: center; gap: 12px; cursor: pointer; text-align: left;
  padding: 12px 14px; border-radius: var(--r-md); border: 1px solid var(--line);
  background: var(--bg-elev); color: var(--fg-1); transition: all var(--dur-fast) var(--ease-out);
  font-family: var(--font-body); width: 100%;
}
.scen-item:hover { border-color: var(--accent); transform: translateY(-1px); box-shadow: var(--shadow-2); }
.scen-item .si-ic { width: 34px; height: 34px; border-radius: 9px; flex: none; display: grid; place-items: center; background: rgba(31,94,255,0.10); color: var(--accent); }
.scen-item .si-ic .ic { width: 19px; height: 19px; }
.scen-item .si-t { display: block; font-weight: 600; font-size: 14px; letter-spacing: -0.01em; color: var(--fg-1); }
.scen-item .si-s { display: block; font-size: 12px; color: var(--fg-3); line-height: 1.4; margin-top: 3px; }
.scen-item .si-n { margin-left: auto; font-family: var(--font-mono); font-size: 11px; color: var(--fg-mute); }

.panel.scen-run {
  border-color: rgba(31,94,255,0.30);
  box-shadow: var(--shadow-3), 0 0 0 1px rgba(31,94,255,0.10);
  background: linear-gradient(180deg, rgba(31,94,255,0.07), transparent 42%), var(--bg-elev);
}
[data-theme="dark"] .panel.scen-run {
  border-color: rgba(90,130,255,0.34);
  background: linear-gradient(180deg, rgba(90,130,255,0.12), transparent 46%), var(--bg-elev);
}
.scen-run .srun-step { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.12em; color: var(--accent); text-transform: uppercase; }.scen-run .srun-title { font-family: var(--font-display); font-weight: 600; font-size: 19px; letter-spacing: -0.02em; margin: 6px 0 8px; color: var(--fg-1); }
.scen-run .srun-text { font-size: 14.5px; line-height: 1.55; color: var(--fg-2); }
.scen-run .srun-note { margin-top: 12px; padding: 11px 13px; border-radius: var(--r-md); font-size: 13px; line-height: 1.5;
  background: rgba(31,94,255,0.08); color: var(--fg-2); border: 1px solid rgba(31,94,255,0.18); }
.progressdots { display: flex; gap: 6px; margin-top: 14px; }
.progressdots i { height: 5px; border-radius: 99px; background: var(--line-strong); flex: 1; transition: background var(--dur-med); }
.progressdots i[data-on="true"] { background: var(--accent); }
.srun-actions { display: flex; gap: 10px; margin-top: 16px; }

/* buttons */
.btn {
  appearance: none; cursor: pointer; font-family: var(--font-body); font-weight: 500; font-size: 14px;
  padding: 10px 18px; border-radius: var(--r-pill); border: 1px solid transparent;
  display: inline-flex; align-items: center; gap: 8px; transition: all var(--dur-fast) var(--ease-out);
}
.btn .ic { width: 17px; height: 17px; }
.btn-primary { background: var(--accent); color: var(--on-accent); box-shadow: var(--shadow-glow); }
.btn-primary:hover { background: var(--accent-hover); }
.btn-primary:active { transform: scale(0.98); }
.btn-ghost { background: transparent; color: var(--fg-2); border-color: var(--line-strong); }
.btn-ghost:hover { color: var(--fg-1); border-color: var(--accent); }
.btn:disabled { opacity: 0.4; pointer-events: none; }

/* Legend */
.legend-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 14px; }
.legi { display: flex; align-items: center; gap: 9px; font-size: 13px; color: var(--fg-2); }
.legi .flowdot { width: 12px; height: 12px; border-radius: 99px; flex: none; box-shadow: 0 0 8px currentColor; }
.legi .swatch { width: 14px; height: 14px; border-radius: 4px; flex: none; }

/* ---------------- Control dock ---------------- */
.dock {
  display: flex; align-items: center; gap: var(--s-2); flex-wrap: wrap;
  padding: var(--s-3) var(--s-4); position: relative; z-index: 20;
}
.dock .group { display: flex; align-items: center; gap: var(--s-2); }
.dock .sep { width: 1px; align-self: stretch; background: var(--line); margin: 2px var(--s-2); }
.dock .dlabel { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--fg-mute); margin-right: 2px; }

/* toggle chip */
.chip {
  appearance: none; cursor: pointer; font-family: var(--font-body); font-size: 13px; font-weight: 500;
  display: inline-flex; align-items: center; gap: 9px; padding: 9px 14px 9px 11px;
  border-radius: var(--r-pill); border: 1px solid var(--line-strong); background: var(--bg-elev);
  color: var(--fg-2); transition: all var(--dur-fast) var(--ease-out); white-space: nowrap;
}
.chip:hover { border-color: var(--accent); color: var(--fg-1); }
.chip:active { transform: scale(0.97); }
.chip .ic { width: 17px; height: 17px; opacity: 0.9; }
.chip .sw { width: 30px; height: 18px; border-radius: 99px; background: var(--line-strong); position: relative; transition: background var(--dur-fast); flex: none; }
.chip .sw::after { content: ""; position: absolute; top: 2px; left: 2px; width: 14px; height: 14px; border-radius: 99px; background: #fff; box-shadow: var(--shadow-1); transition: transform var(--dur-fast) var(--ease-out); }
.chip[data-on="true"] { border-color: var(--accent); color: var(--fg-1); background: rgba(31,94,255,0.07); }
.chip[data-on="true"] .sw { background: var(--accent); }
.chip[data-on="true"] .sw::after { transform: translateX(12px); }
.chip[data-on="true"] .ic { color: var(--accent); opacity: 1; }
/* signal-styled chips (firewall off / attack) */
.chip[data-tone="signal"][data-on="true"] { border-color: var(--signal); background: rgba(255,59,71,0.08); }
.chip[data-tone="signal"][data-on="true"] .sw { background: var(--signal); }
.chip[data-tone="signal"][data-on="true"] .ic { color: var(--signal); }

.chip.action { border-style: solid; }
.chip.action:hover { background: rgba(31,94,255,0.07); }
.chip.action[data-tone="signal"]:hover { background: rgba(255,59,71,0.07); border-color: var(--signal); color: var(--signal); }

/* tooltip on hover over node */
.nodetip {
  position: absolute; pointer-events: none; z-index: 40; max-width: 230px;
  padding: 9px 12px; border-radius: var(--r-md); font-size: 12.5px; line-height: 1.4;
  background: var(--glass-dark-fill-strong); color: #fff; border: 1px solid var(--glass-dark-stroke);
  backdrop-filter: blur(var(--glass-blur)); -webkit-backdrop-filter: blur(var(--glass-blur));
  box-shadow: var(--shadow-3); transform: translate(-50%, -116%);
  opacity: 0; transition: opacity var(--dur-fast); font-family: var(--font-body);
}
.nodetip[data-show="true"] { opacity: 1; }
.nodetip b { font-weight: 600; }
.nodetip .hint { display: block; margin-top: 3px; font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--blue-200); }

/* attack banner */
.attackbar {
  position: absolute; top: 14px; left: 50%; transform: translateX(-50%); z-index: 25;
  display: flex; align-items: center; gap: 10px; padding: 9px 16px; border-radius: var(--r-pill);
  background: var(--glass-dark-fill-strong); border: 1px solid rgba(255,59,71,0.4); color: #fff;
  backdrop-filter: blur(var(--glass-blur)); -webkit-backdrop-filter: blur(var(--glass-blur));
  box-shadow: var(--shadow-glow-red); font-size: 13.5px; font-weight: 500;
}
.attackbar .ic { width: 18px; height: 18px; color: var(--red-400); }

/* small responsive guard for laptops */
@media (max-width: 1180px) {
  .body { grid-template-columns: 1fr 340px; }
}
@media (max-width: 920px) {
  .body { grid-template-columns: 1fr; grid-template-rows: 1fr auto; }
  .rail { flex-direction: row; overflow-x: auto; }
  .rail .panel { min-width: 280px; }
}

/* ============================================================
   Phone layout (≤640px) — single column, airy & touch-friendly.
   The lab grows to its content and scrolls naturally instead of
   being squeezed into one fixed screen. Desktop/tablet untouched.
   ============================================================ */
@media (max-width: 640px) {
  html, body { height: auto; }
  body { overflow-y: auto; -webkit-overflow-scrolling: touch; }
  #root { height: auto; }
  .app { height: auto; min-height: 100%; gap: var(--s-5); padding: var(--s-4); }

  /* Header: brand + actions on one row, full-width mode switch below */
  .hdr { flex-wrap: wrap; gap: var(--s-3); padding: var(--s-2) var(--s-1); }
  .hdr .spacer { display: none; }
  .brand { order: 1; }
  .iconbtn { order: 2; }
  .modesw { order: 3; width: 100%; }
  .modesw button { padding: 12px 14px; font-size: 14px; }

  /* Body: single column, big readable diagram on top */
  .body { grid-template-columns: 1fr; grid-template-rows: auto auto; gap: var(--s-5); }
  .stage { min-height: 360px; }

  /* Right rail → full-width stacked info cards */
  .rail { flex-direction: column; overflow: visible; gap: var(--s-4); padding-right: 0; }
  .rail .panel { min-width: 0; width: 100%; }
  .panel { padding: var(--s-5); }

  /* Control dock: roomy, wrapping, centered */
  .dock { gap: var(--s-3); padding: var(--s-3) var(--s-2); justify-content: center; }
  .dock .sep { display: none; }
  .dock .group { flex-wrap: wrap; gap: var(--s-2); justify-content: center; }
  .dock .dlabel { width: 100%; text-align: center; margin: 0 0 2px; }

  /* Bigger touch targets across the board (≥44px) */
  .chip { padding: 12px 16px; font-size: 14px; min-height: 46px; }
  .btn { padding: 12px 18px; min-height: 46px; }
  .iconbtn { width: 46px; height: 46px; }
  .scen-item { padding: 14px; }
  .srun-actions { gap: 12px; }
  .srun-actions .btn { flex: 1; justify-content: center; }
}