/* ── VARIABLES ── */
:root {
  --bg: #f9f3c8;
  --s1: #fff8dc;
  --s2: #fff0a0;
  --s3: #ffe84a;
  --border: #1a1a1a;
  --border2: #2d2d2d;
  --acc: #e63946;
  --acc2: #1d3557;
  --acc3: #2a9d8f;
  --acc4: #e9c46a;
  --text: #1a1a1a;
  --text2: #4a3f2a;
  --text3: #8a7a5a;
  --bangers: 'Bangers', cursive;
  --fredoka: 'Fredoka', sans-serif;
  --comic: 'Comic Neue', cursive;
  --r: 18px;
  --rs: 12px;
  --shadow: 4px 4px 0 #1a1a1a;
  --shadow-sm: 3px 3px 0 #1a1a1a;
  --shadow-hover: 6px 6px 0 #1a1a1a;
}

/* ── HALFTONE BACKGROUND ── */
html, body {
  min-height: 100%;
  background-color: var(--bg);
  background-image: radial-gradient(circle, #d4c87a 1.5px, transparent 1.5px);
  background-size: 24px 24px;
  color: var(--text);
  font-family: var(--fredoka);
  font-size: 16px;
  line-height: 1.6;
}

/* ── AMBIENT BURST / STARS ── */
.burst {
  position: fixed;
  pointer-events: none;
  z-index: 0;
  font-size: 80px;
  opacity: 0.07;
  animation: spin-slow 30s linear infinite;
}
.burst-1 { top: -30px; left: -30px; color: var(--acc); }
.burst-2 { bottom: -30px; right: -30px; font-size: 100px; color: var(--acc3); animation-direction: reverse; }
@keyframes spin-slow { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }

.app {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 1.5rem 1rem 4rem;
}

/* ── LOGO ── */
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 2rem;
  text-decoration: none;
  transform: rotate(-2deg);
  filter: drop-shadow(4px 4px 0 #1a1a1a);
}
.lmark {
  width: 52px;
  height: 52px;
  background: var(--acc);
  border: 4px solid var(--border);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow);
  transform: rotate(3deg);
  position: relative;
}
.lmark::after {
  content: '';
  position: absolute;
  top: -6px; right: -6px;
  width: 16px; height: 16px;
  background: var(--s3);
  border: 3px solid var(--border);
  border-radius: 50%;
}
.lmark svg { width: 26px; height: 26px; stroke: #fff; fill: none; stroke-width: 2.5; stroke-linecap: round; }
.ltxt { font-family: var(--bangers); font-size: 32px; letter-spacing: 2px; color: var(--text); text-shadow: 3px 3px 0 var(--s3); }
.ltxt em { color: var(--acc); font-style: normal; }

/* ── PANEL ── */
.panel { width: 100%; max-width: 500px; }

/* ── DESKTOP: two-column connected layout ── */
@media (min-width: 768px) {
  .panel { max-width: 820px; }
  .app { padding: 2rem 1rem 5rem; }

  .conn-cols {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.2rem;
    align-items: start;
  }

  .hist-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: .8rem;
  }

  .toast {
    left: 50%;
    right: auto;
    transform: translateX(-50%) translateY(100px);
  }
  .toast.show { transform: translateX(-50%) translateY(0); }
}

/* ── BOTTOM NAV ── */
.bnav {
  display: flex;
  background: var(--s1);
  border: 3px solid var(--border);
  border-radius: 50px;
  padding: 5px;
  gap: 0;
  margin-bottom: 1.5rem;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.bnt {
  flex: 1;
  padding: 9px 8px;
  text-align: center;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  border: none;
  background: none;
  color: var(--text2);
  border-radius: 46px;
  transition: all .18s;
  font-family: var(--fredoka);
  letter-spacing: .5px;
  position: relative;
}
.bnt.on {
  background: var(--acc);
  color: #fff;
  border: 2.5px solid var(--border);
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
}

/* ── CARDS ── */
.card {
  background: var(--s1);
  border: 3.5px solid var(--border);
  border-radius: var(--r);
  padding: 1.4rem;
  margin-bottom: 1rem;
  box-shadow: var(--shadow);
  position: relative;
  transform: rotate(0.3deg);
}
.card::before {
  content: '';
  position: absolute;
  top: -4px; left: -4px; right: -4px; bottom: -4px;
  border: 2px dashed var(--border);
  border-radius: calc(var(--r) + 6px);
  opacity: 0.2;
  pointer-events: none;
}
.ctitle {
  font-family: var(--bangers);
  font-size: 18px;
  letter-spacing: 1.5px;
  color: var(--acc);
  margin-bottom: 1rem;
  text-shadow: 2px 2px 0 var(--border);
  transform: rotate(-1deg);
  display: inline-block;
}

/* ── ROLE GRID ── */
.rgrid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.rbtn {
  padding: 1.5rem 1rem;
  border: 3.5px solid var(--border);
  border-radius: var(--r);
  background: var(--s3);
  cursor: pointer;
  text-align: center;
  transition: all .18s;
  position: relative;
  overflow: visible;
  box-shadow: var(--shadow-sm);
  transform: rotate(0deg);
}
.rbtn:nth-child(1) { transform: rotate(-1.5deg); }
.rbtn:nth-child(2) { transform: rotate(1.5deg); }
.rbtn:hover {
  transform: rotate(0deg) translateY(-4px) scale(1.03);
  box-shadow: var(--shadow-hover);
  background: var(--s3);
}
.rbtn.on {
  border-color: var(--acc);
  background: #ffe84a;
  transform: rotate(0deg) translateY(-4px) scale(1.04);
  box-shadow: var(--shadow-hover);
}
.rbtn.on::after {
  content: '★';
  position: absolute;
  top: -12px; right: -8px;
  background: var(--acc);
  color: #fff;
  border: 2.5px solid var(--border);
  border-radius: 50%;
  width: 28px; height: 28px;
  display: flex; align-items: center; justify-content: center;
  font-size: 14px;
  box-shadow: var(--shadow-sm);
}
.rbtn .ri { font-size: 2.4rem; display: block; margin-bottom: 6px; filter: drop-shadow(2px 2px 0 var(--border)); }
.rbtn .rl { font-family: var(--bangers); font-size: 20px; letter-spacing: 1px; color: var(--text); text-shadow: 1.5px 1.5px 0 var(--border); }
.rbtn.on .rl { color: var(--acc); }
.rbtn .rd { font-size: 12px; color: var(--text2); margin-top: 3px; font-weight: 600; }

/* ── CODEBOX ── */
.codebox {
  background: #fff0a0;
  border: 4px solid var(--border);
  border-radius: var(--r);
  padding: 1.4rem;
  text-align: center;
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}
.codebox::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(0,0,0,.04) 1px, transparent 1px);
  background-size: 12px 12px;
  pointer-events: none;
}
.cval {
  font-family: var(--bangers);
  font-size: 52px;
  letter-spacing: 14px;
  color: var(--acc);
  padding: 6px 0;
  text-shadow: 4px 4px 0 var(--border), 6px 6px 0 rgba(0,0,0,.15);
  filter: drop-shadow(3px 3px 0 var(--border));
  animation: wiggle 3s ease-in-out infinite;
}
@keyframes wiggle {
  0%, 100% { transform: rotate(0deg); }
  25% { transform: rotate(1deg); }
  75% { transform: rotate(-1deg); }
}
.clabel {
  font-family: var(--fredoka);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text2);
  margin-bottom: 4px;
}

/* ── INPUT ── */
.inp {
  width: 90%;
  background: #fff;
  border: 4px solid var(--border);
  border-radius: var(--rs);
  padding: 14px 16px;
  color: var(--text);
  font-size: 30px;
  font-family: var(--bangers);
  letter-spacing: 12px;
  text-transform: uppercase;
  text-align: center;
  outline: none;
  transition: box-shadow .15s;
  box-shadow: var(--shadow-sm);
  transform: rotate(-0.5deg);
}
.inp:focus { border-color: var(--acc); box-shadow: var(--shadow); }
.inp::placeholder { letter-spacing: 2px; font-size: 16px; color: var(--text3); }

/* ── BUTTONS ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 20px;
  border-radius: var(--rs);
  border: 3px solid var(--border);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: all .15s;
  font-family: var(--fredoka);
  box-shadow: var(--shadow-sm);
  position: relative;
}
.btn-p {
  background: var(--acc);
  color: #fff;
  box-shadow: var(--shadow);
  transform: rotate(-1deg);
}
.btn-p:hover {
  background: #f71e2e;
  transform: rotate(0deg) translateY(-3px);
  box-shadow: var(--shadow-hover);
}
.btn-p:disabled { opacity: .4; cursor: not-allowed; transform: none; box-shadow: none; }
.btn-g {
  background: #fff;
  color: var(--text);
  border: 3px solid var(--border);
  box-shadow: var(--shadow-sm);
}
.btn-g:hover { background: var(--s3); transform: translateY(-2px); box-shadow: var(--shadow); }
.btn-d {
  background: #fff;
  color: var(--acc);
  border: 3px solid var(--acc);
  box-shadow: 3px 3px 0 var(--acc);
}
.btn-d:hover { background: #ffe5e5; }
.btn-sm { padding: 7px 14px; font-size: 13px; }
.btn-full { width: 100%; }
.btn:not(.on) svg { color: var(--text2); }
.btn.on svg { color: var(--acc); }

/* ── STATUS BAR ── */
.sbar {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 11px 15px;
  border-radius: var(--rs);
  font-size: 13px;
  font-weight: 700;
  margin-bottom: .9rem;
  border: 3px solid var(--border);
  box-shadow: var(--shadow-sm);
}
.sbar.info { background: #ffe0a0; color: #7a4800; }
.sbar.ok { background: #b8f0d8; color: #1a5c3a; }
.sbar.err { background: #ffb3b3; color: #a0001a; }
.sbar.warn { background: #fff5b0; color: #7a5500; }
.dot { width: 9px; height: 9px; border-radius: 50%; background: currentColor; flex-shrink: 0; border: 2px solid var(--border); }
.dot.pulse { animation: p 1.5s ease infinite }
@keyframes p { 0%, 100% { opacity: 1; transform: scale(1); } 50% { opacity: .4; transform: scale(.7); } }

/* ── DROPZONE ── */
.dz {
  border: 4px dashed var(--border2);
  border-radius: var(--r);
  padding: 2.2rem 1.5rem;
  text-align: center;
  cursor: pointer;
  transition: all .18s;
  position: relative;
  overflow: hidden;
  background: var(--s2);
  box-shadow: var(--shadow-sm);
}
.dz:hover, .dz.over {
  border-color: var(--acc);
  background: #ffe0a0;
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}
.dz-ic {
  width: 54px; height: 54px;
  margin: 0 auto 12px;
  background: var(--s3);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  border: 3px solid var(--border);
  box-shadow: var(--shadow-sm);
}
.dz p { font-weight: 700; margin-bottom: 4px; font-family: var(--bangers); font-size: 18px; letter-spacing: 1px; }
.dz small { font-size: 13px; color: var(--text2); }
.dz-line {
  position: absolute;
  top: -100%; left: 0; right: 0; height: 3px;
  background: repeating-linear-gradient(90deg, var(--acc) 0px, var(--acc) 8px, transparent 8px, transparent 16px);
  animation: scan 1.2s linear infinite;
  opacity: 0;
}
.dz.over .dz-line { opacity: 1; }
@keyframes scan { from { top: -5%; } to { top: 110%; } }

/* ── FILE ROWS ── */
.flist { display: flex; flex-direction: column; gap: 8px; margin-top: 12px; }
.frow {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px;
  background: var(--s2);
  border-radius: var(--rs);
  border: 3px solid var(--border);
  box-shadow: var(--shadow-sm);
}
.fic {
  width: 36px; height: 36px;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
  border: 2.5px solid var(--border);
  box-shadow: 2px 2px 0 var(--border);
  filter: drop-shadow(2px 2px 0 var(--border));
}
.fn { font-size: 14px; font-weight: 700; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.fmeta { font-size: 12px; color: var(--text2); font-weight: 600; }
.prog { height: 4px; border-radius: 3px; background: rgba(0,0,0,.1); margin-top: 5px; overflow: hidden; border: 2px solid var(--border); }
.pfill { height: 100%; border-radius: 2px; background: var(--acc3); transition: width .25s; }
.pfill.done { background: var(--acc3); }
.pfill.err { background: var(--acc); }
.rmb {
  background: var(--s3);
  border: 2.5px solid var(--border);
  color: var(--text);
  cursor: pointer;
  padding: 5px;
  border-radius: 8px;
  flex-shrink: 0;
  transition: all .15s;
  box-shadow: 2px 2px 0 var(--border);
}
.rmb:hover { background: var(--acc); color: #fff; transform: translateY(-2px); box-shadow: 3px 3px 0 var(--border); }

/* ── TEXT ROWS ── */
.trow {
  display: flex; flex-direction: column; gap: 6px;
  padding: 12px;
  background: var(--s2);
  border-radius: var(--rs);
  border: 3px solid var(--border);
  box-shadow: var(--shadow-sm);
}
.trow label {
  font-family: var(--bangers);
  font-size: 14px;
  letter-spacing: 1px;
  color: var(--acc);
  text-shadow: 1px 1px 0 var(--border);
}
.trow textarea {
  background: #fff;
  border: 3px solid var(--border);
  border-radius: var(--rs);
  padding: 10px 12px;
  color: var(--text);
  font-size: 14px;
  font-family: var(--comic);
  resize: vertical;
  min-height: 72px;
  outline: none;
  transition: box-shadow .15s;
  line-height: 1.6;
  box-shadow: var(--shadow-sm);
}
.trow textarea:focus { border-color: var(--acc); box-shadow: var(--shadow); }
.trow textarea::placeholder { color: var(--text3); font-size: 13px; }
.trow .tmeta { font-size: 12px; color: var(--text2); }
.trow .trmb {
  background: var(--s3);
  border: 2.5px solid var(--border);
  color: var(--text);
  cursor: pointer;
  padding: 4px 6px;
  border-radius: 8px;
  flex-shrink: 0;
  transition: all .15s;
  box-shadow: 2px 2px 0 var(--border);
  align-self: flex-start;
}
.trow .trmb:hover { background: var(--acc); color: #fff; }
.trow .trow-b { display: flex; align-items: center; justify-content: space-between; }
.trow .trow-l { font-size: 12px; color: var(--text2); font-weight: 600; }
.trow .trow-r { display: flex; gap: 6px; align-items: center; }

/* ── INCOMING TEXT ── */
.itext {
  display: flex; flex-direction: column; gap: 3px;
  padding: 12px 14px;
  background: var(--s2);
  border-radius: var(--rs);
  border: 3px solid var(--border);
  margin-bottom: 9px;
  box-shadow: var(--shadow-sm);
  position: relative;
}
.itext::before {
  content: '';
  position: absolute;
  bottom: -12px; left: 20px;
  width: 0; height: 0;
  border-left: 10px solid transparent;
  border-right: 10px solid transparent;
  border-top: 12px solid var(--border);
}
.itext::after {
  content: '';
  position: absolute;
  bottom: -8px; left: 22px;
  width: 0; height: 0;
  border-left: 8px solid transparent;
  border-right: 8px solid transparent;
  border-top: 10px solid var(--s2);
}
.itext .it-label {
  font-family: var(--bangers);
  font-size: 14px;
  letter-spacing: 1px;
  color: var(--text);
  margin-bottom: 5px;
  display: flex; align-items: center; gap: 7px;
}
.itext .it-label span {
  background: var(--acc);
  color: #fff;
  padding: 2px 10px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 700;
  border: 2px solid var(--border);
  box-shadow: 2px 2px 0 var(--border);
  font-family: var(--fredoka);
}
.itext .it-body {
  font-size: 14px;
  color: var(--text);
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 180px;
  overflow-y: auto;
  line-height: 1.6;
}
.itext .it-copy {
  background: var(--s3);
  border: 2.5px solid var(--border);
  color: var(--text);
  cursor: pointer;
  font-size: 12px;
  font-family: var(--fredoka);
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 8px;
  transition: all .15s;
  align-self: flex-start;
  margin-top: 5px;
  box-shadow: 2px 2px 0 var(--border);
}
.itext .it-copy:hover { background: var(--acc); color: #fff; }
.itext .it-time { font-size: 11px; color: var(--text3); margin-top: 5px; font-weight: 600; }

/* ── PEER LIST ── */
.peer-row {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px;
  background: var(--s2);
  border-radius: var(--rs);
  border: 3px solid var(--border);
  box-shadow: var(--shadow-sm);
}
.pav {
  width: 36px; height: 36px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 14px; font-weight: 700;
  flex-shrink: 0;
  border: 3px solid var(--border);
  box-shadow: var(--shadow-sm);
}

/* ── HISTORY ── */
.hrow {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px;
  background: var(--s2);
  border-radius: var(--rs);
  border: 3px solid var(--border);
  margin-bottom: 8px;
  box-shadow: var(--shadow-sm);
}
.badge {
  display: inline-flex;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .5px;
  text-transform: uppercase;
  border: 2.5px solid var(--border);
  box-shadow: 2px 2px 0 var(--border);
}
.bgo { background: var(--s3); color: var(--text); }
.bgi { background: var(--acc3); color: #fff; }

/* ── TOAST ── */
.toast {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  background: var(--s1);
  border: 4px solid var(--border);
  border-radius: var(--rs);
  padding: 12px 18px;
  font-size: 14px;
  font-weight: 700;
  font-family: var(--fredoka);
  z-index: 9999;
  transform: translateY(100px) rotate(-2deg);
  opacity: 0;
  transition: all .3s cubic-bezier(.175,.885,.32,1.275);
  max-width: 320px;
  box-shadow: var(--shadow);
}
.toast.show { transform: translateY(0) rotate(-1deg); opacity: 1; }
.toast.ok { border-color: var(--acc3); color: #1a5c3a; background: #b8f0d8; }
.toast.err { border-color: var(--acc); color: #a0001a; background: #ffb3b3; }

/* ── CONNECTION ANIM ── */
.conn-anim { text-align: center; padding: 2rem 1rem; }
.ring {
  width: 76px; height: 76px;
  margin: 0 auto 14px;
  border-radius: 50%;
  border: 5px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  position: relative;
  background: var(--s3);
  box-shadow: var(--shadow);
  animation: bounce 1.2s ease-in-out infinite;
}
@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}
.ring::before, .ring::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  border: 3px solid var(--acc);
  animation: rings 2s ease-out infinite;
}
.ring::before { width: 104px; height: 104px; top: -18px; left: -18px; }
.ring::after { width: 134px; height: 134px; top: -33px; left: -33px; animation-delay: .6s; border-color: var(--acc3); }
@keyframes rings { from { opacity: .7; transform: scale(.85); } to { opacity: 0; transform: scale(1.3); } }
.ring svg { width: 32px; height: 32px; stroke: var(--border); fill: none; stroke-width: 2.5; stroke-linecap: round; }

/* ── QR ── */
.qrwrap { display: flex; gap: 1rem; align-items: center; padding-top: 1rem; border-top: 2px dashed var(--border); margin-top: 1rem; }
.qrbox {
  width: 92px; height: 92px;
  background: #fff;
  border-radius: 12px;
  padding: 6px;
  flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  border: 3px solid var(--border);
  box-shadow: var(--shadow);
}
.qrbox canvas { image-rendering: pixelated; width: 100%; height: 100%; }

/* ── HELPERS ── */
.row { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; }
.rg { display: flex; gap: 8px; flex-wrap: wrap; }
.divider { height: 3px; background: var(--border); margin: 14px 0; border-radius: 2px; }
.small { font-size: 12px; color: var(--text2); font-weight: 600; }
.mt1 { margin-top: 8px; }
.mt2 { margin-top: 14px; }
.hidden { display: none !important; }
.empty { text-align: center; padding: 2.5rem 1rem; color: var(--text3); font-size: 14px; font-weight: 700; }

/* ── STEPS INDICATOR ── */
.steps { display: flex; gap: 6px; margin-bottom: 1rem; align-items: center; }
.step-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--text3); flex-shrink: 0; border: 2.5px solid var(--border); transition: background .3s; }
.step-dot.on { background: var(--acc3); box-shadow: 2px 2px 0 var(--border); }
.step-label { font-size: 12px; color: var(--text2); font-weight: 700; }

/* ── BURST DECO ── */
.burst-deco {
  display: inline-block;
  position: relative;
}
.burst-deco::before {
  content: '★ ★ ★';
  position: absolute;
  top: -8px; left: 0; right: 0;
  font-size: 10px;
  color: var(--s3);
  letter-spacing: 6px;
  text-shadow: 1px 1px 0 var(--border);
}

/* ── SCROLLBAR ── */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border2); border-radius: 4px; border: 1px solid var(--border); }