/* ============================================================
   CRAFT GAME — Light (Infinite Craft) + Dark mode
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Nunito:wght@500;700;800;900&family=JetBrains+Mono:wght@400;700&display=swap');

*, *::before, *::after {
  margin: 0; padding: 0;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

/* ============================================================
   VARIABLES — MODE CLAIR (défaut)
   ============================================================ */
:root {
  --sidebar-w: 260px;
  --font: 'Nunito', sans-serif;
  --mono: 'JetBrains Mono', monospace;

  --bg:          #f4f2ee;
  --canvas-bg:   #ece9e3;
  --sidebar-bg:  #ffffff;
  --border:      #e0ddd6;
  --border2:     #ccc9c0;
  --text:        #0a0905;
  --muted:       #5a5650;
  --accent:      #5b45d6;
  --accent2:     #7c6af0;
  --glow:        rgba(91,69,214,.22);
  --card-bg:     #ffffff;
  --card-border: #e0ddd6;
  --card-shadow: rgba(0,0,0,.07);
  --hint-color:  #c8c3b8;
  --modal-bg:    #ffffff;
  --toast-bg:    #1f1f1f;
  --toast-text:  #ffffff;

  --c-quark:    #fee2e2; --cb-quark:    #ef4444;
  --c-lepton:   #d1fae5; --cb-lepton:   #10b981;
  --c-boson:    #fef3c7; --cb-boson:    #f59e0b;
  --c-hadron:   #ffedd5; --cb-hadron:   #f97316;
  --c-nucleus:  #dbeafe; --cb-nucleus:  #3b82f6;
  --c-atom:     #e0f2fe; --cb-atom:     #0ea5e9;
  --c-molecule: #d1fae5; --cb-molecule: #059669;
  --c-phase:    #ede9fe; --cb-phase:    #8b5cf6;
  --c-stellar:  #fef9c3; --cb-stellar:  #eab308;
  --c-cosmic:   #f3e8ff; --cb-cosmic:   #a855f7;
}

/* ============================================================
   VARIABLES — MODE SOMBRE
   ============================================================ */
body.dark {
  --bg:          #0e1117;
  --canvas-bg:   #0a0d14;
  --sidebar-bg:  #131720;
  --border:      rgba(99,120,200,.15);
  --border2:     rgba(99,120,200,.3);
  --text:        #f0f4ff;
  --muted:       #9aa5c4;
  --accent:      #6366f1;
  --accent2:     #818cf8;
  --glow:        rgba(99,102,241,.3);
  --card-bg:     #1a2035;
  --card-border: rgba(99,120,200,.22);
  --card-shadow: rgba(0,0,0,.4);
  --hint-color:  #2a3050;
  --modal-bg:    #131720;
  --toast-bg:    #1a2035;
  --toast-text:  #dde4ff;

  --c-quark:    rgba(239,68,68,.14);
  --c-lepton:   rgba(16,185,129,.14);
  --c-boson:    rgba(245,158,11,.14);
  --c-hadron:   rgba(249,115,22,.14);
  --c-nucleus:  rgba(59,130,246,.14);
  --c-atom:     rgba(14,165,233,.14);
  --c-molecule: rgba(5,150,105,.14);
  --c-phase:    rgba(139,92,246,.16);
  --c-stellar:  rgba(234,179,8,.14);
  --c-cosmic:   rgba(168,85,247,.16);
}

/* ============================================================
   BASE
   ============================================================ */
html, body {
  height: 100%;
  overflow: hidden;
  background: var(--bg);
  font-family: var(--font);
  color: var(--text);
  transition: background .25s, color .25s;
}

/* ============================================================
   FOND QUANTIQUE
   ============================================================ */
#quantum-bg {
  position: fixed; inset: 0;
  pointer-events: none; overflow: hidden; z-index: 0;
}



.qfluc {
  position: absolute;
  font-family: var(--mono);
  pointer-events: none;
  animation: qfluc-life linear both;
  font-weight: 700;
  user-select: none;
  color: rgba(91,69,214,.2);
  font-size: 14px;
}
body.dark .qfluc {
  color: rgba(129,140,248,.4);
  text-shadow: 0 0 8px rgba(99,102,241,.5);
}
@keyframes qfluc-life {
  0%   { opacity: 0; transform: scale(.4) translateY(4px); }
  20%  { opacity: 1; transform: scale(1)  translateY(0); }
  70%  { opacity: .8; }
  100% { opacity: 0; transform: scale(.6) translateY(-10px); }
}

/* ============================================================
   LAYOUT
   ============================================================ */
#sidebar {
  position: fixed;
  top: 0; left: 0; bottom: 0;
  width: var(--sidebar-w);
  background: var(--sidebar-bg);
  border-right: 1px solid var(--border);
  display: flex; flex-direction: column;
  z-index: 10;
  box-shadow: 2px 0 16px rgba(0,0,0,.06);
  transition: background .25s, border-color .25s, box-shadow .25s;
}

#canvas {
  position: fixed;
  top: 0; left: var(--sidebar-w); right: 0; bottom: 0;
  overflow: hidden;
}
#canvas-area { position: absolute; inset: 0; }

/* ============================================================
   SIDEBAR HEADER
   ============================================================ */
.sb-header {
  padding: 12px 12px 10px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  transition: border-color .25s;
}

.logo {
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 9px;
}
.logo-icon { font-size: 2.2rem; line-height: 1; }
.logo strong { display: block; font-size: 1.1rem; font-weight: 900; color: var(--text); }
.logo em { display: block; font-size: .7rem; font-style: normal; color: var(--muted); margin-top: 1px; text-transform: uppercase; letter-spacing: .07em; }
.logo-right { margin-left: auto; }

#theme-btn {
  background: none;
  border: 1.5px solid var(--border2);
  border-radius: 8px;
  width: 30px; height: 30px;
  font-size: .95rem;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  color: var(--muted);
  transition: all .14s;
}
#theme-btn:hover { border-color: var(--accent); color: var(--accent); }

.sb-stats { font-size: .78rem; color: var(--text); margin-bottom: 7px; font-family: var(--mono); }
.sb-stats b { color: var(--text); font-weight: 800; }

.sb-progress {
  height: 3px; background: var(--border); border-radius: 4px;
  margin-bottom: 9px; overflow: hidden;
}
#prog-bar {
  height: 100%; width: 0%;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  border-radius: 4px; transition: width .5s ease;
}

.sb-search {
  display: flex; align-items: center; gap: 6px;
  background: var(--bg);
  border: 1.5px solid var(--border);
  border-radius: 9px; padding: 6px 10px; margin-bottom: 8px;
  transition: background .25s, border-color .25s;
}
.sb-search span { font-size: .7rem; opacity: .45; flex-shrink: 0; }
.sb-search input {
  border: none; background: transparent;
  font-family: var(--font); font-size: .78rem;
  color: var(--text); outline: none; width: 100%;
}
.sb-search input::placeholder { color: var(--muted); }

.sb-filters { display: flex; flex-wrap: wrap; gap: 3px; }
.filt {
  font-family: var(--font); font-size: .57rem; font-weight: 800;
  padding: 3px 8px; border-radius: 20px;
  border: 1.5px solid var(--border2);
  background: transparent; color: var(--muted);
  cursor: pointer; transition: all .13s;
  white-space: nowrap; text-transform: uppercase; letter-spacing: .03em;
}
.filt:hover { border-color: var(--accent); color: var(--accent); }
.filt.on { background: var(--accent); border-color: var(--accent); color: #fff; }

/* ============================================================
   LISTE ÉLÉMENTS
   ============================================================ */
#el-list {
  flex: 1; overflow-y: auto;
  padding: 5px 7px; display: flex; flex-direction: column; gap: 2px;
  scrollbar-width: thin; scrollbar-color: var(--border) transparent;
}
#el-list::-webkit-scrollbar { width: 3px; }
#el-list::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }

.el-chip {
  display: flex; align-items: center; gap: 8px;
  padding: 7px 9px; border-radius: 9px;
  cursor: pointer; border: 1.5px solid transparent;
  user-select: none; position: relative;
  transition: transform .1s, box-shadow .1s;
}
.el-chip:hover { box-shadow: 0 2px 8px var(--card-shadow); transform: translateX(2px); }
.el-chip:active { transform: scale(.97); }

.el-chip[data-cat=quark]    { background: var(--c-quark);    border-color: var(--cb-quark); }
.el-chip[data-cat=lepton]   { background: var(--c-lepton);   border-color: var(--cb-lepton); }
.el-chip[data-cat=boson]    { background: var(--c-boson);    border-color: var(--cb-boson); }
.el-chip[data-cat=hadron]   { background: var(--c-hadron);   border-color: var(--cb-hadron); }
.el-chip[data-cat=nucleus]  { background: var(--c-nucleus);  border-color: var(--cb-nucleus); }
.el-chip[data-cat=atom]     { background: var(--c-atom);     border-color: var(--cb-atom); }
.el-chip[data-cat=molecule] { background: var(--c-molecule); border-color: var(--cb-molecule); }
.el-chip[data-cat=phase]    { background: var(--c-phase);    border-color: var(--cb-phase); }
.el-chip[data-cat=stellar]  { background: var(--c-stellar);  border-color: var(--cb-stellar); }
.el-chip[data-cat=cosmic]   { background: var(--c-cosmic);   border-color: var(--cb-cosmic); }

.chip-emoji { font-size: 1rem; line-height: 1; flex-shrink: 0; width: 20px; text-align: center; }
.chip-name  { font-size: .85rem; font-weight: 800; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.chip-new   { width: 6px; height: 6px; background: #22c55e; border-radius: 50%; flex-shrink: 0; box-shadow: 0 0 5px #22c55e; }

/* ============================================================
   SIDEBAR FOOTER
   ============================================================ */
.sb-footer {
  padding: 8px 10px; border-top: 1px solid var(--border);
  flex-shrink: 0; display: flex; gap: 6px;
  transition: border-color .25s;
}
.sb-footer button {
  flex: 1; padding: 7px 4px;
  border: 1.5px solid var(--border2); border-radius: 9px;
  background: transparent; font-family: var(--font);
  font-size: .68rem; font-weight: 800; color: var(--muted);
  cursor: pointer; transition: all .13s;
  text-transform: uppercase; letter-spacing: .04em;
}
.sb-footer button:hover { border-color: #ef4444; color: #ef4444; background: rgba(239,68,68,.07); }
.sb-footer .clear-btn:hover { border-color: #f97316; color: #f97316; background: rgba(249,115,22,.07); }

/* ============================================================
   CANVAS HINT
   ============================================================ */
#canvas-hint {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  pointer-events: none; z-index: 1;
}
.ch-icon { font-size: 2.8rem; margin-bottom: 14px; opacity: .25; }
#canvas-hint p { font-size: .78rem; color: var(--hint-color); text-align: center; line-height: 2.1; font-weight: 700; }

/* ============================================================
   CARTES CANVAS
   ============================================================ */
.canvas-card {
  position: absolute;
  display: flex; align-items: center; gap: 7px;
  padding: 9px 13px;
  background: var(--card-bg);
  border: 1.5px solid var(--card-border);
  border-radius: 10px;
  box-shadow: 0 2px 10px var(--card-shadow);
  cursor: grab; user-select: none;
  min-width: 80px; max-width: 170px;
  transition: box-shadow .12s, border-color .12s, background .25s;
  animation: card-pop .22s cubic-bezier(.34,1.56,.64,1);
  white-space: nowrap;
}
@keyframes card-pop {
  from { transform: scale(.35); opacity: 0; }
  to   { transform: scale(1);   opacity: 1; }
}
.canvas-card:hover { box-shadow: 0 4px 18px var(--card-shadow); border-color: var(--border2); }
.canvas-card.dragging {
  box-shadow: 0 10px 30px rgba(91,69,214,.22), 0 0 0 2px var(--accent);
  transform: scale(1.06) rotate(.6deg); z-index: 500 !important; cursor: grabbing;
}
.canvas-card.drag-to-delete { border-color: #ef4444 !important; box-shadow: 0 0 0 2px rgba(239,68,68,.35) !important; opacity: .55; }
.canvas-card.near {
  border-color: #22c55e;
  box-shadow: 0 0 0 2px rgba(34,197,94,.4), 0 4px 14px rgba(34,197,94,.12);
  animation: pulse-near .5s ease infinite alternate;
}
@keyframes pulse-near {
  from { box-shadow: 0 0 0 2px rgba(34,197,94,.35); }
  to   { box-shadow: 0 0 0 5px rgba(34,197,94,.5); }
}
.canvas-card.shake { animation: shake .35s ease; }
@keyframes shake {
  0%,100% { transform: translateX(0); }
  20% { transform: translateX(-6px) rotate(-2deg); }
  40% { transform: translateX(6px) rotate(2deg); }
  60% { transform: translateX(-4px); }
  80% { transform: translateX(4px); }
}
.canvas-card.fusing { animation: fuse-out .28s ease forwards; }
@keyframes fuse-out { to { transform: scale(0) rotate(15deg); opacity: 0; } }
.canvas-card.annihilating { animation: annihilate-out .5s ease forwards; }
@keyframes annihilate-out {
  0%   { transform: scale(1); filter: brightness(1); }
  40%  { transform: scale(1.3); filter: brightness(3) saturate(0); }
  100% { transform: scale(0); opacity: 0; }
}

.canvas-card[data-cat=quark]    { border-left: 2.5px solid var(--cb-quark); }
.canvas-card[data-cat=lepton]   { border-left: 2.5px solid var(--cb-lepton); }
.canvas-card[data-cat=boson]    { border-left: 2.5px solid var(--cb-boson); }
.canvas-card[data-cat=hadron]   { border-left: 2.5px solid var(--cb-hadron); }
.canvas-card[data-cat=nucleus]  { border-left: 2.5px solid var(--cb-nucleus); }
.canvas-card[data-cat=atom]     { border-left: 2.5px solid var(--cb-atom); }
.canvas-card[data-cat=molecule] { border-left: 2.5px solid var(--cb-molecule); }
.canvas-card[data-cat=phase]    { border-left: 2.5px solid var(--cb-phase); }
.canvas-card[data-cat=stellar]  { border-left: 2.5px solid var(--cb-stellar); }
.canvas-card[data-cat=cosmic]   { border-left: 2.5px solid var(--cb-cosmic); }

.cc-emoji { font-size: 1.15rem; line-height: 1; flex-shrink: 0; }
.cc-name  { font-size: .82rem; font-weight: 800; color: var(--text); overflow: hidden; text-overflow: ellipsis; flex: 1; }

/* ============================================================
   ANNIHILATION FX
   ============================================================ */
.annihilation-wave {
  position: fixed; width: 0; height: 0; border-radius: 50%;
  border: 3px solid rgba(239,68,68,.8); box-shadow: 0 0 20px rgba(239,68,68,.5);
  transform: translate(-50%, -50%);
  animation: wave-expand .7s ease-out forwards; pointer-events: none; z-index: 400;
}
@keyframes wave-expand { to { width: 500px; height: 500px; opacity: 0; border-width: 1px; } }
.annihilation-flash {
  position: fixed; inset: 0; background: rgba(239,68,68,.09);
  pointer-events: none; z-index: 399; animation: flash-fade .3s ease forwards;
}
@keyframes flash-fade { to { opacity: 0; } }

/* ============================================================
   MODAL
   ============================================================ */
#modal {
  display: none; position: fixed; inset: 0;
  background: rgba(0,0,0,.38); backdrop-filter: blur(6px);
  z-index: 200; align-items: center; justify-content: center; cursor: pointer;
}
#modal.show { display: flex; }
#modal-box {
  background: var(--modal-bg); border: 1.5px solid var(--border);
  border-radius: 20px; padding: 32px 26px 24px;
  max-width: 300px; width: 90%; text-align: center;
  box-shadow: 0 20px 60px rgba(0,0,0,.15);
  animation: modal-pop .3s cubic-bezier(.34,1.56,.64,1);
  cursor: default; position: relative;
  transition: background .25s;
}
@keyframes modal-pop {
  from { transform: scale(.5) translateY(20px); opacity: 0; }
  to   { transform: scale(1) translateY(0); opacity: 1; }
}
#modal-new-badge {
  position: absolute; top: -13px; left: 50%; transform: translateX(-50%);
  background: #22c55e; color: #fff;
  font-size: .62rem; font-weight: 900;
  padding: 4px 14px; border-radius: 20px; white-space: nowrap;
  letter-spacing: .06em; text-transform: uppercase;
}
body.dark #modal-new-badge { background: linear-gradient(90deg, var(--accent), var(--accent2)); }
#m-emoji { font-size: 3rem; margin: 6px 0 4px; line-height: 1; animation: emoji-bounce .4s cubic-bezier(.34,1.56,.64,1) .05s both; }
@keyframes emoji-bounce { from { transform: scale(0) rotate(-20deg); } to { transform: scale(1) rotate(0); } }
#modal-box h2 { font-size: 1.15rem; font-weight: 900; margin-bottom: 3px; color: var(--text); }
#m-cat { font-size: .58rem; font-weight: 700; color: var(--muted); letter-spacing: .1em; text-transform: uppercase; margin-bottom: 10px; font-family: var(--mono); }
#m-eq  { font-size: .7rem; font-weight: 700; color: var(--accent); background: rgba(91,69,214,.07); border: 1px solid rgba(91,69,214,.15); border-radius: 8px; padding: 7px 10px; margin-bottom: 10px; font-family: var(--mono); }
#m-desc { font-size: .8rem; color: var(--muted); line-height: 1.65; margin-bottom: 18px; }
#modal-box button { width: 100%; padding: 11px; background: var(--accent); color: #fff; border: none; border-radius: 10px; font-family: var(--font); font-size: .82rem; font-weight: 800; cursor: pointer; transition: background .14s; }
#modal-box button:hover { background: var(--accent2); }

/* ============================================================
   TOAST
   ============================================================ */
#toast {
  position: fixed; bottom: 20px; left: 50%;
  transform: translateX(-50%) translateY(8px);
  background: var(--toast-bg); color: var(--toast-text);
  padding: 8px 16px; border-radius: 9px;
  font-size: .76rem; font-weight: 700;
  opacity: 0; pointer-events: none;
  transition: opacity .2s, transform .2s;
  z-index: 300; white-space: nowrap;
  box-shadow: 0 4px 20px rgba(0,0,0,.2);
}
#toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
#toast.good { background: #16a34a; color: #fff; }

/* ============================================================
   PARTICLES
   ============================================================ */
.part {
  position: fixed; pointer-events: none; border-radius: 50%; z-index: 400;
  animation: pfly .65s ease-out both;
}
@keyframes pfly {
  from { opacity: 1; transform: translate(0,0) scale(1); }
  to   { opacity: 0; transform: translate(var(--tx),var(--ty)) scale(0); }
}

/* ============================================================
   MOBILE
   ============================================================ */
@media (max-width: 680px) {
  :root { --sidebar-w: 100%; }

  #sidebar {
    position: fixed;
    top: auto; left: 0; right: 0; bottom: 0;
    height: 42vh; width: 100%;
    border-right: none; border-top: 1px solid var(--border);
    box-shadow: 0 -4px 24px rgba(0,0,0,.08);
  }

  #canvas { top: 0; left: 0; bottom: 42vh; }

  .sb-header { padding: 7px 10px 5px; }
  .logo { margin-bottom: 5px; }

  #el-list {
    flex-direction: row; flex-wrap: wrap;
    gap: 4px; padding: 5px 8px;
    overflow-y: auto; overflow-x: hidden;
    align-content: flex-start;
  }
  .el-chip { flex: 0 0 auto; padding: 5px 9px; border-radius: 20px; gap: 5px; }
  .chip-emoji { font-size: .85rem; width: 16px; }
  .chip-name  { font-size: .68rem; }

  .sb-footer { padding: 5px 8px; gap: 5px; }
  .sb-footer button { font-size: .62rem; padding: 6px 4px; }
  .canvas-card { padding: 8px 11px; min-width: 70px; }
  .cc-name { font-size: .68rem; }
  #toast { bottom: calc(42vh + 12px); }
}