/* =====================================================================
   style.css — Interface du configurateur de points de contrôle
   ===================================================================== */

:root {
  --bg: #0a0d12;
  --panel: rgba(15, 20, 28, 0.82);
  --panel-solid: #10151d;
  --line: rgba(255, 255, 255, 0.09);
  --line-strong: rgba(255, 255, 255, 0.16);
  --txt: #e9eff7;
  --txt-dim: #93a1b3;
  --txt-faint: #64738a;
  --blue: #3d94ff;
  --blue-soft: #6fb2ff;
  --blue-deep: #1b62c9;
  --amber: #ffb340;
  --green: #35d39a;
  --radius: 14px;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.55);
  --font: "Segoe UI", "Inter", system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0; padding: 0; height: 100%;
  background: var(--bg);
  color: var(--txt);
  font-family: var(--font);
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
}

#scene { position: fixed; inset: 0; display: block; cursor: grab; }
#scene.grabbing { cursor: grabbing; }

#ui { position: fixed; inset: 0; pointer-events: none; z-index: 5; }
#ui > * { pointer-events: auto; }

/* ============================ EN-TÊTE ============================= */
#topbar {
  position: absolute; top: 0; left: 0; right: 0;
  display: flex; align-items: center; gap: 18px;
  padding: 14px 20px;
  background: linear-gradient(180deg, rgba(6, 9, 14, 0.92) 0%, rgba(6, 9, 14, 0) 100%);
  pointer-events: none;
}
#topbar > * { pointer-events: auto; }

.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark {
  width: 42px; height: 42px; border-radius: 12px; flex: 0 0 auto;
  background: linear-gradient(145deg, var(--blue) 0%, var(--blue-deep) 100%);
  display: grid; place-items: center;
  box-shadow: 0 6px 22px rgba(61, 148, 255, 0.4);
}
.brand-mark svg { width: 24px; height: 24px; fill: #fff; }
.brand-txt h1 { margin: 0; font-size: 16px; letter-spacing: 0.5px; font-weight: 650; }
.brand-txt p { margin: 1px 0 0; font-size: 11.5px; color: var(--txt-dim); letter-spacing: 0.3px; }

/* logo de la franchise, en tête de l'en-tête (remplace la pastille véhicule) */
#brandLogo {
  height: 46px; width: auto; flex: 0 0 auto;
  border-radius: 9px; background: #fff; padding: 4px 9px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, .38);
}

@media (max-width: 860px) { #brandLogo { height: 36px; padding: 3px 7px; } }

.counter {
  margin-left: auto; display: flex; align-items: center; gap: 10px;
  background: var(--panel); border: 1px solid var(--line);
  padding: 8px 14px; border-radius: 999px;
  backdrop-filter: blur(14px); font-size: 12.5px; color: var(--txt-dim);
}
.counter b { color: var(--txt); font-size: 14px; }
.counter .pip { width: 8px; height: 8px; border-radius: 50%; background: var(--blue); box-shadow: 0 0 10px var(--blue); }

/* ========================== PANNEAU GAUCHE ======================== */
#sidebar {
  position: absolute; top: 78px; left: 20px; width: 296px;
  max-height: calc(100vh - 160px);
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
  display: flex; flex-direction: column; overflow: hidden;
  transition: transform .45s cubic-bezier(.4,0,.2,1), opacity .35s;
}
#sidebar.hidden { transform: translateX(-120%); opacity: 0; }

.sb-head { padding: 14px 16px 10px; border-bottom: 1px solid var(--line); }
.sb-head h2 { margin: 0; font-size: 13px; text-transform: uppercase; letter-spacing: 1.4px; color: var(--txt-dim); font-weight: 600; }
.sb-head p { margin: 6px 0 0; font-size: 12px; color: var(--txt-faint); line-height: 1.5; }

.sb-list { overflow-y: auto; padding: 8px; }
.sb-list::-webkit-scrollbar { width: 7px; }
.sb-list::-webkit-scrollbar-thumb { background: rgba(255,255,255,.12); border-radius: 4px; }

.grp { margin-bottom: 4px; border-radius: 10px; overflow: hidden; }
.grp-head {
  display: flex; align-items: center; gap: 11px;
  padding: 10px 11px; cursor: pointer; border-radius: 10px;
  transition: background .18s;
}
.grp-head:hover { background: rgba(255, 255, 255, 0.06); }
.grp.open .grp-head { background: rgba(61, 148, 255, 0.13); }
.grp-ico {
  width: 30px; height: 30px; flex: 0 0 auto; border-radius: 9px;
  background: rgba(61, 148, 255, 0.14); display: grid; place-items: center;
}
.grp-ico svg { width: 17px; height: 17px; stroke: var(--blue-soft); fill: none; stroke-width: 1.7; }
.grp.open .grp-ico { background: var(--blue); }
.grp.open .grp-ico svg { stroke: #fff; }
.grp-txt { flex: 1; min-width: 0; }
.grp-txt b { display: block; font-size: 13px; font-weight: 600; }
.grp-txt span { display: block; font-size: 11px; color: var(--txt-faint); margin-top: 1px; }
.grp-n { font-size: 11px; color: var(--txt-faint); background: rgba(255,255,255,.07); padding: 2px 7px; border-radius: 6px; }
.grp-lock { font-size: 10px; color: var(--amber); }

.grp-items { display: none; padding: 2px 0 8px 41px; }
.grp.open .grp-items { display: block; animation: slideIn .3s ease; }
@keyframes slideIn { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: none; } }

.item {
  display: flex; align-items: center; gap: 9px;
  padding: 7px 10px; font-size: 12.3px; color: var(--txt-dim);
  border-radius: 8px; cursor: pointer; transition: all .16s;
}
.item:hover { background: rgba(255,255,255,.06); color: var(--txt); }
.item.active { background: rgba(61,148,255,.18); color: #fff; }
.item .bul { width: 6px; height: 6px; border-radius: 50%; background: var(--txt-faint); flex: 0 0 auto; }
.item:hover .bul, .item.active .bul { background: var(--blue); box-shadow: 0 0 8px var(--blue); }

/* ======================= BOUTONS LATÉRAUX ========================= */
#tools {
  position: absolute; right: 20px; top: 50%; transform: translateY(-50%);
  display: flex; flex-direction: column; gap: 10px; align-items: flex-end;
}

.tool {
  display: flex; align-items: center; gap: 11px;
  background: var(--panel); border: 1px solid var(--line);
  color: var(--txt); border-radius: 13px; padding: 11px 15px;
  font-family: var(--font); font-size: 12.5px; font-weight: 550;
  cursor: pointer; backdrop-filter: blur(16px);
  box-shadow: 0 8px 26px rgba(0,0,0,.4);
  transition: all .22s cubic-bezier(.4,0,.2,1);
  white-space: nowrap;
}
.tool:hover { background: rgba(30, 40, 55, 0.92); border-color: var(--line-strong); transform: translateX(-3px); }
.tool svg { width: 20px; height: 20px; stroke: var(--blue-soft); fill: none; stroke-width: 1.7; flex: 0 0 auto; }
.tool.on { background: linear-gradient(140deg, var(--blue) 0%, var(--blue-deep) 100%); border-color: transparent; box-shadow: 0 10px 28px rgba(61,148,255,.45); }
.tool.on svg { stroke: #fff; }
.tool.primary { padding: 14px 17px; font-size: 13px; }
.tool small { display: block; font-size: 10.5px; font-weight: 400; color: var(--txt-faint); margin-top: 2px; }
.tool.on small { color: rgba(255,255,255,.75); }

/* ========================== MARQUEURS 3D ========================== */
#markers { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }

.mk {
  position: absolute; left: 0; top: 0;
  pointer-events: auto; cursor: pointer;
  will-change: transform, opacity;
  transition: opacity .3s ease;
}
.mk.fade { opacity: 0; pointer-events: none; }

.mk .hit { position: absolute; left: -20px; top: -20px; width: 40px; height: 40px; border-radius: 50%; }
.mk .dot {
  position: absolute; left: -7px; top: -7px; width: 14px; height: 14px;
  border-radius: 50%; background: var(--blue);
  border: 2px solid rgba(255,255,255,.92);
  box-shadow: 0 0 14px rgba(61,148,255,.95), 0 2px 6px rgba(0,0,0,.6);
  transition: transform .22s cubic-bezier(.34,1.56,.64,1), background .2s;
}
.mk .ring {
  position: absolute; left: -7px; top: -7px; width: 14px; height: 14px;
  border-radius: 50%; border: 2px solid var(--blue);
  animation: ping 2.1s cubic-bezier(0, 0, 0.2, 1) infinite;
}
.mk .ring.d2 { animation-delay: 0.7s; }
@keyframes ping {
  0%   { transform: scale(1);   opacity: .9; }
  70%  { transform: scale(3.4); opacity: 0; }
  100% { transform: scale(3.4); opacity: 0; }
}
.mk:hover .dot { transform: scale(1.45); }
.mk.sel .dot { background: #fff; box-shadow: 0 0 18px #fff, 0 0 34px var(--blue); transform: scale(1.35); }
.mk.sel .ring { animation: none; opacity: 0; }

.mk .lbl {
  position: absolute; left: 16px; top: -12px;
  background: rgba(10, 15, 22, 0.9); border: 1px solid var(--line);
  padding: 5px 10px; border-radius: 8px; font-size: 11.5px; white-space: nowrap;
  backdrop-filter: blur(10px); color: var(--txt);
  opacity: 0; transform: translateX(-6px); transition: all .2s;
  pointer-events: none;
}
.mk:hover .lbl { opacity: 1; transform: none; }
.mk.flip .lbl { left: auto; right: 16px; text-align: right; }
.mk.group.flip .lbl { right: 22px; }

/* marqueur de groupe : plus gros, avec compteur */
.mk.group .dot {
  left: -13px; top: -13px; width: 26px; height: 26px;
  background: linear-gradient(145deg, var(--blue-soft), var(--blue-deep));
  border-width: 2.5px;
  display: grid; place-items: center;
  font-size: 11px; font-weight: 700; color: #fff;
}
.mk.group .ring { left: -13px; top: -13px; width: 26px; height: 26px; }
.mk.group .hit { left: -26px; top: -26px; width: 52px; height: 52px; }
.mk.group .lbl { left: 22px; opacity: 1; transform: none; font-weight: 600; font-size: 12px; }
.mk.group .lbl em { display: block; font-style: normal; font-size: 10.5px; color: var(--txt-faint); margin-top: 1px; }
.mk.group:hover .lbl { border-color: var(--blue); }
.mk.behind { opacity: 0; pointer-events: none; }
.mk.behind .lbl { opacity: 0 !important; }

/* connecteur bulle → marqueur */
#link { position: absolute; inset: 0; pointer-events: none; }
#link line { stroke: var(--blue); stroke-width: 1.4; stroke-dasharray: 5 4; opacity: .75; }

/* ============================= BULLE ============================== */
#bubble {
  position: absolute; width: 348px; z-index: 20;
  background: var(--panel-solid);
  border: 1px solid var(--line-strong); border-radius: 16px;
  box-shadow: 0 24px 70px rgba(0,0,0,.7), 0 0 0 1px rgba(61,148,255,.14);
  overflow: hidden; opacity: 0; transform: scale(.94) translateY(8px);
  transition: opacity .3s ease, transform .38s cubic-bezier(.34,1.3,.64,1);
  pointer-events: none;
}
#bubble.show { opacity: 1; transform: none; pointer-events: auto; }

.bb-media { position: relative; height: 176px; background: #05080c; overflow: hidden; }
.bb-media img { width: 100%; height: 100%; object-fit: cover; display: block; animation: kb 14s ease-out forwards; }
@keyframes kb { from { transform: scale(1.06); } to { transform: scale(1.13); } }
.bb-media::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(5,8,12,.15) 0%, rgba(5,8,12,.1) 55%, var(--panel-solid) 100%);
}
.bb-badge {
  position: absolute; top: 12px; left: 12px; z-index: 2;
  background: rgba(61,148,255,.92); color: #fff;
  font-size: 10.5px; font-weight: 700; letter-spacing: .8px; text-transform: uppercase;
  padding: 5px 10px; border-radius: 7px;
  box-shadow: 0 4px 14px rgba(0,0,0,.5);
}
.bb-close {
  position: absolute; top: 10px; right: 10px; z-index: 3;
  width: 30px; height: 30px; border-radius: 9px; cursor: pointer;
  background: rgba(6,10,16,.7); border: 1px solid var(--line);
  color: var(--txt-dim); font-size: 17px; line-height: 1;
  display: grid; place-items: center; backdrop-filter: blur(8px);
  transition: all .18s;
}
.bb-close:hover { background: rgba(255,60,60,.22); color: #fff; }

.bb-body { padding: 4px 18px 18px; }
.bb-body h3 { margin: 0 0 3px; font-size: 17px; font-weight: 650; letter-spacing: .1px; }
.bb-tag { margin: 0 0 12px; font-size: 11.5px; color: var(--blue-soft); letter-spacing: .3px; }
.bb-desc { margin: 0 0 14px; font-size: 12.8px; line-height: 1.62; color: var(--txt-dim); }

.bb-checks { list-style: none; margin: 0 0 14px; padding: 0; display: grid; gap: 7px; }
.bb-checks li { display: flex; gap: 9px; font-size: 12.2px; color: var(--txt); line-height: 1.45; align-items: flex-start; }
.bb-checks svg { width: 15px; height: 15px; flex: 0 0 auto; margin-top: 1px; stroke: var(--green); fill: none; stroke-width: 2.4; }

.bb-spec {
  font-size: 11.6px; color: var(--amber); background: rgba(255,179,64,.09);
  border-left: 2px solid var(--amber); padding: 9px 12px; border-radius: 0 8px 8px 0; line-height: 1.5;
}

.bb-credit {
  margin-top: 10px; font-size: 9.5px; line-height: 1.4;
  color: var(--txt-faint); opacity: .75;
}

.bb-nav { display: flex; gap: 8px; margin-top: 14px; }
.bb-nav button {
  flex: 1; padding: 9px; font-family: var(--font); font-size: 12px; font-weight: 550;
  background: rgba(255,255,255,.06); border: 1px solid var(--line);
  color: var(--txt-dim); border-radius: 9px; cursor: pointer; transition: all .18s;
}
.bb-nav button:hover { background: var(--blue); border-color: transparent; color: #fff; }

/* ======================== BANDEAU INFÉRIEUR ======================= */
#bottom {
  position: absolute; bottom: 20px; left: 50%; transform: translateX(-50%);
  display: flex; align-items: center; gap: 14px;
}
#breadcrumb {
  display: flex; align-items: center; gap: 9px;
  background: var(--panel); border: 1px solid var(--line);
  padding: 9px 16px; border-radius: 999px; backdrop-filter: blur(14px);
  font-size: 12.2px; color: var(--txt-dim); box-shadow: var(--shadow);
}
#breadcrumb .cr { cursor: pointer; transition: color .18s; }
#breadcrumb .cr:hover { color: var(--blue-soft); }
#breadcrumb .sep { color: var(--txt-faint); font-size: 10px; }
#breadcrumb .cur { color: #fff; font-weight: 600; }

#hint {
  font-size: 11.5px; color: var(--txt-faint); display: flex; align-items: center; gap: 7px;
  background: rgba(10,14,20,.55); padding: 8px 14px; border-radius: 999px; border: 1px solid var(--line);
  backdrop-filter: blur(10px);
  animation: fadeUp .8s .6s both;
}
@keyframes fadeUp { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }

/* =========================== CHARGEMENT =========================== */
#loader {
  position: fixed; inset: 0; z-index: 100;
  background: radial-gradient(ellipse at 50% 45%, #16202e 0%, #070a0f 70%);
  display: grid; place-items: center;
  transition: opacity .7s ease, visibility .7s;
}
#loader.done { opacity: 0; visibility: hidden; }
.ld { text-align: center; }
.ld-mark { width: 62px; height: 62px; margin: 0 auto 22px; border-radius: 18px;
  background: linear-gradient(145deg, var(--blue) 0%, var(--blue-deep) 100%);
  display: grid; place-items: center; box-shadow: 0 10px 40px rgba(61,148,255,.45);
  animation: bob 2.4s ease-in-out infinite; }
@keyframes bob { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }
.ld-mark svg { width: 34px; height: 34px; fill: #fff; }
.ld h2 { margin: 0 0 8px; font-size: 19px; font-weight: 600; letter-spacing: .3px; }
.ld p { margin: 0 0 22px; font-size: 12.5px; color: var(--txt-dim); }
.ld-bar { width: 230px; height: 3px; background: rgba(255,255,255,.1); border-radius: 3px; overflow: hidden; margin: 0 auto; }
.ld-bar i { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--blue), var(--blue-soft)); border-radius: 3px; transition: width .35s ease; }

/* ============================ TOAST ============================== */
#toast {
  position: absolute; top: 84px; left: 50%; transform: translate(-50%, -14px);
  background: rgba(12, 18, 26, .94); border: 1px solid var(--line-strong);
  padding: 11px 18px; border-radius: 11px; font-size: 12.5px;
  backdrop-filter: blur(14px); box-shadow: var(--shadow);
  opacity: 0; pointer-events: none; transition: all .35s cubic-bezier(.34,1.3,.64,1);
  display: flex; align-items: center; gap: 10px; max-width: 80vw;
}
#toast.show { opacity: 1; transform: translate(-50%, 0); }
#toast svg { width: 17px; height: 17px; stroke: var(--blue-soft); fill: none; stroke-width: 2; flex: 0 0 auto; }

/* ====================== VISITE GUIDÉE ============================ */

/* --- proposition après inactivité --- */
#tourInvite {
  position: fixed; inset: 0; z-index: 70;
  display: grid; place-items: center;
  background: rgba(4, 7, 11, 0.62);
  backdrop-filter: blur(3px);
  opacity: 0; visibility: hidden;
  transition: opacity .5s ease, visibility .5s;
}
#tourInvite.on { opacity: 1; visibility: visible; }

.ti-card {
  width: min(420px, calc(100vw - 40px));
  background: var(--panel-solid);
  border: 1px solid var(--line-strong); border-radius: 18px;
  padding: 26px 26px 20px; text-align: center;
  box-shadow: 0 26px 70px rgba(0, 0, 0, .7), 0 0 0 1px rgba(61, 148, 255, .16);
  transform: translateY(14px) scale(.97);
  transition: transform .5s cubic-bezier(.34, 1.3, .64, 1);
}
#tourInvite.on .ti-card { transform: none; }

.ti-ico {
  width: 52px; height: 52px; margin: 0 auto 14px; border-radius: 15px;
  background: linear-gradient(145deg, var(--blue) 0%, var(--blue-deep) 100%);
  display: grid; place-items: center; color: #fff;
  box-shadow: 0 8px 26px rgba(61, 148, 255, .45);
}
.ti-ico svg { width: 27px; height: 27px; }
.ti-card h3 { margin: 0 0 8px; font-size: 18px; font-weight: 650; }
.ti-card p { margin: 0 0 20px; font-size: 13px; line-height: 1.6; color: var(--txt-dim); }
.ti-nav { display: flex; gap: 10px; }
.ti-nav button {
  flex: 1; padding: 11px; border-radius: 10px; cursor: pointer;
  font-family: var(--font); font-size: 13px; font-weight: 550;
  border: 1px solid var(--line); background: rgba(255, 255, 255, .06);
  color: var(--txt-dim); transition: all .18s;
}
.ti-nav button:hover { background: rgba(255, 255, 255, .12); color: var(--txt); }
#tiYes {
  background: linear-gradient(140deg, var(--blue) 0%, var(--blue-deep) 100%);
  border-color: transparent; color: #fff;
}
#tiYes:hover { filter: brightness(1.12); color: #fff; }

/* --- déroulé : le cadre découpe l'assombrissement --- */
#tour { position: fixed; inset: 0; z-index: 72; opacity: 0; visibility: hidden; transition: opacity .4s, visibility .4s; }
#tour.on { opacity: 1; visibility: visible; }
#tour::before { content: ''; position: absolute; inset: 0; }   /* capte les clics */

#tourRing {
  position: absolute; border-radius: 14px;
  border: 2px solid var(--blue);
  box-shadow: 0 0 0 9999px rgba(4, 7, 11, 0.70), 0 0 26px rgba(61, 148, 255, .55);
  pointer-events: none;
  transition: left .5s cubic-bezier(.4, 0, .2, 1), top .5s cubic-bezier(.4, 0, .2, 1),
              width .5s cubic-bezier(.4, 0, .2, 1), height .5s cubic-bezier(.4, 0, .2, 1);
}

#tourBubble {
  position: absolute; width: min(330px, calc(100vw - 32px));
  background: var(--panel-solid);
  border: 1px solid var(--line-strong); border-radius: 14px;
  padding: 15px 17px 13px;
  box-shadow: 0 20px 56px rgba(0, 0, 0, .72);
  transition: left .5s cubic-bezier(.4, 0, .2, 1), top .5s cubic-bezier(.4, 0, .2, 1);
}
#tourCompte {
  font-size: 10px; letter-spacing: 1.4px; text-transform: uppercase;
  color: var(--blue-soft); font-weight: 700;
}
#tourBubble h4 { margin: 7px 0 6px; font-size: 15.5px; font-weight: 650; }
#tourBubble p { margin: 0 0 14px; font-size: 12.7px; line-height: 1.6; color: var(--txt-dim); }
.t-nav { display: flex; align-items: center; gap: 8px; }
.t-spacer { flex: 1; }
.t-nav button {
  padding: 8px 13px; border-radius: 9px; cursor: pointer;
  font-family: var(--font); font-size: 12px; font-weight: 550;
  border: 1px solid var(--line); background: rgba(255, 255, 255, .06);
  color: var(--txt-dim); transition: all .18s;
}
.t-nav button:hover { background: rgba(255, 255, 255, .12); color: var(--txt); }
#tourSkip { font-size: 11.5px; }
.t-nav .t-main {
  background: linear-gradient(140deg, var(--blue) 0%, var(--blue-deep) 100%);
  border-color: transparent; color: #fff;
}
.t-nav .t-main:hover { filter: brightness(1.12); color: #fff; }

@media (max-width: 720px) {
  #tourBubble { width: calc(100vw - 24px); }
  #tourBubble p { font-size: 12px; }
}

/* ============== CONFORT SUR ÉCRAN TACTILE (borne) ================ */
@media (hover: none) and (pointer: coarse) {
  /* zones de contact agrandies : le doigt est moins précis que la souris */
  .ti-nav button { padding: 15px; font-size: 14px; }
  .t-nav button { padding: 12px 16px; font-size: 13px; }
  #tourSkip { font-size: 12.5px; }
  .tool { padding: 14px 16px; }
  .tool.primary { padding: 16px 18px; }
  .item { padding: 11px 12px; font-size: 13px; }
  .grp-head { padding: 13px 12px; }
  .bb-nav button { padding: 13px; font-size: 13px; }
  .bb-close { width: 38px; height: 38px; font-size: 20px; }
  .mk .hit { left: -26px; top: -26px; width: 52px; height: 52px; }
  .mk.group .hit { left: -32px; top: -32px; width: 64px; height: 64px; }
  /* les libellés au survol n'ont pas de sens au doigt : ils restent visibles */
  .mk .lbl { opacity: 1; transform: none; }
}

/* ========================== ATTRIBUTION ========================== */
#credit {
  position: absolute; bottom: 8px; right: 14px;
  font-size: 9.5px; color: rgba(148, 163, 184, 0.42);
  max-width: 340px; text-align: right; line-height: 1.4;
  pointer-events: auto;
}
#credit a { color: inherit; }
#credit:hover { color: rgba(148, 163, 184, 0.85); }

/* ========================== RESPONSIVE =========================== */
#burger { display: none; }

@media (max-width: 980px) {
  #sidebar { top: 70px; left: 12px; width: 250px; max-height: 46vh; }
  #tools { right: 12px; }
  .tool { padding: 10px 12px; font-size: 11.5px; }
  #bubble { width: 300px; }
}

@media (max-width: 720px) {
  #topbar { padding: 10px 12px; }
  .brand-txt p { display: none; }
  .counter { padding: 6px 11px; font-size: 11px; }
  #sidebar {
    top: auto; bottom: 0; left: 0; right: 0; width: 100%;
    max-height: 52vh; border-radius: 18px 18px 0 0; border-bottom: none;
  }
  #sidebar.hidden { transform: translateY(110%); }
  #burger {
    display: flex; position: absolute; bottom: 16px; left: 12px;
    align-items: center; gap: 8px;
    background: var(--panel); border: 1px solid var(--line); color: var(--txt);
    padding: 11px 15px; border-radius: 12px; font-size: 12px; font-family: var(--font);
    backdrop-filter: blur(14px); cursor: pointer; z-index: 6;
  }
  #tools { top: auto; bottom: 76px; right: 12px; transform: none; }
  .tool small { display: none; }
  #bottom { bottom: 76px; left: 12px; right: 12px; transform: none; justify-content: center; }
  #hint { display: none; }
  #bubble {
    width: auto; left: 10px !important; right: 10px; bottom: 130px !important; top: auto !important;
    max-height: 62vh; overflow-y: auto;
  }
  .bb-media { height: 140px; }
  #link { display: none; }
}