@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@300;400;500;700&family=Syne:wght@400;700;800&display=swap');

/* ── VARIABLES ── */
:root {
  --bg-deep:    #0d0f11;
  --bg-panel:   #131619;
  --bg-editor:  #0f1214;
  --bg-header:  #171b1f;
  --bg-gutter:  #151821;
  --border:     #252b33;
  --border-lt:  #2e3640;
  --text-main:  #cdd3db;
  --text-dim:   #5a6472;
  --text-lbl:   #8993a0;
  --nav-active: #1e2630;
  --accent:     #2ea86e;  /* green — MIFARE theme */

  /* Iceman colour scheme — matches terminal output exactly */
  --col-uid:   #e05252;  /* block 0 UID bytes         — RED          */
  --col-keya:  #4ecf7c;  /* Key A                     — BRIGHT_GREEN */
  --col-acl:   #c97ef0;  /* ACL bytes                 — MAGENTA      */
  --col-gpb:   #8993a0;  /* General Purpose Byte      — dim          */
  --col-keyb:  #2ea86e;  /* Key B                     — GREEN        */
  --col-ascii: #5a7060;  /* ASCII preview column       — dim green   */
  --col-value: #3ecfcf;  /* Value blocks              — CYAN         */
  --col-null:  #2a3040;  /* 00 bytes                  — very dim     */

  /* ACL pill colours */
  --pill-rw:   #2ea86e;
  --pill-ro:   #c9b23a;
  --pill-none: #5a6472;
  --pill-warn: #d95f5f;
}

/* ── RESET ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  height: 100%;
  background: var(--bg-deep);
  color: var(--text-main);
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  overflow: hidden;
}

::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg-panel); }
::-webkit-scrollbar-thumb { background: var(--border-lt); border-radius: 3px; }

input[type=file] { display: none; }

/* ── APP SHELL ── */
#app {
  display: grid;
  grid-template-rows: 48px 40px 1fr 30px;
  grid-template-columns: 240px 1fr;
  height: 100dvh;
  grid-template-areas:
    "tb  tb"
    "bar bar"
    "sb  main"
    "st  st";
}

/* ── TITLE BAR ── */
#tb {
  grid-area: tb;
  background: var(--bg-header);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 14px;
  gap: 12px;
}

.logo {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 16px;
  letter-spacing: -0.5px;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.logo-icon {
  width: 24px;
  height: 24px;
  background: var(--accent);
  border-radius: 4px;
  display: grid;
  place-items: center;
  font-size: 10px;
  font-weight: 800;
  color: #0d0f11;
}

.t-sep { width: 1px; height: 18px; background: var(--border); flex-shrink: 0; }

.card-pills {
  display: flex;
  gap: 6px;
  align-items: center;
  margin-left: auto;
  flex-wrap: wrap;
}

.cpill {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 3px 8px;
  border-radius: 3px;
  font-size: 10px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
}
.cpill .cl { color: var(--text-dim); font-size: 9px; letter-spacing: 0.5px; text-transform: uppercase; }
.cpill .cv { color: var(--text-main); }
.cpill.uid  .cv { color: var(--col-uid);  font-weight: 700; }
.cpill.type .cv { color: var(--accent);   font-weight: 600; }

#sb-tog {
  display: none;
  width: 32px;
  height: 32px;
  border-radius: 4px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-lbl);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
#sb-tog svg { width: 16px; height: 16px; }

/* ── TOOLBAR ── */
#bar {
  grid-area: bar;
  background: var(--bg-panel);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 10px;
  gap: 3px;
  overflow-x: auto;
  overflow-y: hidden;
}
#bar::-webkit-scrollbar { height: 0; }

.tb {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 5px 10px;
  border-radius: 3px;
  border: none;
  background: transparent;
  color: var(--text-lbl);
  cursor: pointer;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  transition: all 0.12s;
  white-space: nowrap;
  flex-shrink: 0;
}
.tb:hover    { background: rgba(255,255,255,0.06); color: var(--text-main); }
.tb.on       { background: var(--nav-active); color: var(--accent); }
.tb:disabled { opacity: 0.3; cursor: default; pointer-events: none; }
.tb svg      { width: 13px; height: 13px; flex-shrink: 0; }

.tsep { width: 1px; height: 18px; background: var(--border); margin: 0 3px; flex-shrink: 0; }

.vtog {
  display: flex;
  flex-shrink: 0;
  background: var(--bg-editor);
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
  margin-left: auto;
}
.vb {
  padding: 5px 11px;
  border: none;
  background: transparent;
  color: var(--text-dim);
  cursor: pointer;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  transition: all 0.12s;
}
.vb.on { background: var(--nav-active); color: var(--accent); }

/* ── SIDEBAR ── */
#sb {
  grid-area: sb;
  background: var(--bg-panel);
  border-right: 1px solid var(--border);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.sb-hdr {
  padding: 8px 12px 6px;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-dim);
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.sb-cnt {
  background: var(--bg-editor);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1px 7px;
  font-size: 10px;
  color: var(--text-lbl);
}

.snav { list-style: none; padding: 4px 0 8px; }

.si {
  display: flex;
  align-items: stretch;
  cursor: pointer;
  transition: background 0.1s;
  border-left: 2px solid transparent;
  min-height: 40px;
}
.si:hover { background: rgba(255,255,255,0.05); }
.si.on    { background: var(--nav-active); border-left-color: var(--accent); }

.si-bar {
  width: 3px;
  align-self: stretch;
  flex-shrink: 0;
  margin-right: 8px;
  background: var(--accent);
  opacity: 0.3;
}
.si.on .si-bar { opacity: 1; }

.si-body { padding: 6px 8px 6px 0; flex: 1; min-width: 0; }
.si-num  { font-size: 10px; color: var(--text-dim); margin-bottom: 2px; }
.si-keys {
  font-size: 10px;
  color: var(--text-main);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 175px;
}

.si-bdg {
  font-size: 9px;
  font-weight: 700;
  padding: 1px 5px;
  border-radius: 2px;
  margin-right: 8px;
  flex-shrink: 0;
}
.si-bdg.g { background: rgba(46,168,110,0.12); color: var(--accent); }
.si-bdg.c { background: rgba(62,207,207,0.12); color: #3ecfcf; }
.si-bdg.w { background: rgba(201,178,58,0.15); color: #c9b23a; }

/* ── MAIN ── */
#main {
  grid-area: main;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  position: relative;
}

/* ── DROP ZONE ── */
#dz {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px dashed var(--border-lt);
  border-radius: 4px;
  margin: 16px;
  transition: border-color 0.15s, background 0.15s;
  cursor: pointer;
}
#dz.drag { border-color: var(--accent); background: rgba(46,168,110,0.05); }
#dz.gone { display: none; }

#dz-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  pointer-events: none;
}
#dz-inner > * { pointer-events: all; }

.dz-ico {
  width: 52px;
  height: 52px;
  border-radius: 10px;
  background: rgba(46,168,110,0.15);
  display: grid;
  place-items: center;
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 16px;
  color: var(--accent);
}
.dz-title { font-family: 'Syne', sans-serif; font-weight: 800; font-size: 20px; color: #fff; }
.dz-sub   { font-size: 11px; color: var(--text-dim); }
.dz-fmt   {
  font-size: 10px;
  color: var(--text-dim);
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 3px 8px;
}

.dz-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 7px 16px;
  border-radius: 4px;
  border: 1px solid var(--border-lt);
  background: rgba(46,168,110,0.1);
  color: var(--accent);
  cursor: pointer;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  transition: all 0.12s;
  margin-top: 4px;
}
.dz-btn:hover { background: rgba(46,168,110,0.2); border-color: var(--accent); }
.dz-btn svg   { width: 13px; height: 13px; }

/* ── DUMP VIEW ── */
#dv { display: none; flex-direction: column; flex: 1; overflow: hidden; }
#dv.on { display: flex; }

/* Card info banner */
#ci {
  flex-shrink: 0;
  background: var(--bg-header);
  border-bottom: 1px solid var(--border);
  padding: 6px 14px;
  display: flex;
  gap: 18px;
  align-items: center;
  flex-wrap: wrap;
}
.ci-i { display: flex; gap: 5px; align-items: baseline; font-size: 11px; }
.ci-l { color: var(--text-dim); font-size: 9px; letter-spacing: 1px; text-transform: uppercase; }
.ci-v { color: var(--text-main); font-weight: 500; }
.ci-v.a    { color: var(--accent); }
.ci-v.u    { color: var(--col-uid); font-weight: 700; }
.ci-v.sak  { color: #f0843a; font-weight: 700; }
.ci-sak-type { color: #7c6af5; font-size: 10px; font-weight: 400; }
.ci-v.atqa { color: #e8c84a; font-weight: 600; }
.ci-v.mfr  { color: #7c6af5; }

/* Dump body */
#db { flex: 1; overflow-y: auto; overflow-x: auto; -webkit-overflow-scrolling: touch; }

/* ── SECTOR CARD ── */
.sc { border-bottom: 1px solid var(--border); }

.sc-hdr {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 5px 14px;
  background: var(--bg-gutter);
  border-bottom: 1px solid var(--border);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-dim);
  cursor: pointer;
  user-select: none;
}
.sc-hdr:hover { background: var(--nav-active); }
.sc-num { color: var(--accent); min-width: 80px; }

.sc-bdg { font-size: 9px; padding: 1px 6px; border-radius: 2px; font-weight: 700; }
.sc-bdg.g { background: rgba(46,168,110,0.12); color: var(--accent); }
.sc-bdg.c { background: rgba(62,207,207,0.12); color: #3ecfcf; }
.sc-bdg.w { background: rgba(201,178,58,0.15); color: #c9b23a; }
.sc-bdg.e { background: rgba(217,95,95,0.15);  color: #d95f5f; }

.sc-chev { margin-left: auto; color: var(--text-dim); transition: transform 0.15s; font-size: 10px; }
.sc.coll .sc-chev  { transform: rotate(-90deg); }
.sc.coll .sc-body  { display: none; }

/* ── BLOCK ROWS ── */
.bch {
  display: flex;
  align-items: center;
  padding: 3px 14px;
  background: var(--bg-panel);
  border-bottom: 1px solid var(--border);
  font-size: 10px;
  color: var(--text-dim);
  white-space: pre;
}
.bch-b { width: 36px;  flex-shrink: 0; }
.bch-h { flex: 1;      padding-left: 10px; min-width: 360px; }
.bch-a { width: 120px; flex-shrink: 0; padding-left: 12px; }
.bch-n { width: 200px; flex-shrink: 0; padding-left: 14px; }

.br {
  display: flex;
  align-items: center;
  padding: 2px 14px;
  min-height: 24px;
  font-size: 12px;
  border-bottom: 1px solid rgba(37,43,51,0.5);
  white-space: pre;
}
.br:hover { background: rgba(255,255,255,0.02); }

.br-b { width: 36px;  flex-shrink: 0; color: var(--text-dim); font-size: 11px; user-select: none; }
.br-h { flex: 1;      padding-left: 10px; letter-spacing: 0.5px; min-width: 360px; }
.br-a { width: 120px; flex-shrink: 0; padding-left: 12px; color: var(--col-ascii); }
.br-n { width: 200px; flex-shrink: 0; padding-left: 14px; font-size: 11px; color: var(--text-dim); white-space: normal; }

/* Row type backgrounds */
.br.mfr { background: rgba(224,82,82,0.07); }
.br.ev1  { background: rgba(40,60,140,0.25); }
.br.val  { background: rgba(62,207,207,0.05); }
.br.st   { background: rgba(46,168,110,0.05); }

/* Byte colour classes */
.b-u    { color: var(--col-uid); }    /* UID bytes            — RED          */
.b-bcc  { color: #c9b23a; }           /* BCC / Cascade Tag    — YELLOW       */
.b-sak  { color: #f0843a; }           /* SAK                  — ORANGE       */
.b-atqa { color: #e8c84a; }           /* ATQA                 — AMBER        */
.b-mfr  { color: #7c6af5; }           /* Manufacturer data    — PURPLE       */
.b-k    { color: var(--col-keya); }   /* Key A                — BRIGHT_GREEN */
.b-c    { color: var(--col-acl); }    /* ACL bytes            — MAGENTA      */
.b-g    { color: var(--col-gpb); }    /* GPB                  — dim          */
.b-b    { color: var(--col-keyb); }   /* Key B                — GREEN        */
.b-v    { color: var(--col-value); }  /* Value block          — CYAN         */
.b-0    { color: var(--col-null); }   /* 00 bytes             — very dim     */
.b-d    { color: var(--text-main); }  /* Normal data                         */

/* Value block decoder strip */
.vd {
  display: flex;
  gap: 14px;
  align-items: center;
  flex-wrap: wrap;
  background: rgba(62,207,207,0.04);
  border-top: 1px dashed var(--border);
  padding: 5px 14px 6px;
  font-size: 11px;
}
.vd-l { color: var(--text-dim); font-size: 9px; text-transform: uppercase; letter-spacing: 1px; }
.vd-v { color: var(--col-value); font-weight: 700; font-size: 13px; }
.vd-a { color: var(--text-lbl); }

/* ── SECTOR TRAILER DECODER ── */
.std {
  background: rgba(46,168,110,0.03);
  border-top: 1px dashed var(--border);
  padding: 10px 14px 14px;
}
.std-t {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 8px;
}

.std-keys { display: flex; gap: 20px; margin-bottom: 10px; flex-wrap: wrap; }
.std-k  { font-size: 11px; }
.std-kl { color: var(--text-dim); font-size: 9px; letter-spacing: 1px; text-transform: uppercase; margin-bottom: 3px; }
.std-kv { font-size: 13px; font-weight: 700; }
.std-kv.ka  { color: var(--col-keya); }
.std-kv.kb  { color: var(--col-keyb); }
.std-kv.acl { color: var(--col-acl); }
.std-kv.gpb { color: var(--col-gpb); }

/* ACL table */
.acl-t { width: 100%; border-collapse: collapse; font-size: 11px; }
.acl-t th {
  text-align: left;
  padding: 3px 8px;
  font-size: 9px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-dim);
  border-bottom: 1px solid var(--border);
  font-weight: 700;
}
.acl-t td { padding: 4px 8px; border-bottom: 1px solid rgba(37,43,51,0.4); }
.acl-t tr:last-child td { border-bottom: none; }
.acl-t tr:hover td { background: rgba(255,255,255,0.02); }

.acl-bits { color: var(--col-acl); }
.acl-desc { color: var(--text-main); font-size: 11px; }
.acl-warn { color: #d95f5f; }

.pill {
  display: inline-block;
  padding: 1px 5px;
  border-radius: 2px;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.3px;
  margin-right: 2px;
}
.p-rw  { background: rgba(46,168,110,0.15); color: var(--pill-rw); }
.p-ro  { background: rgba(201,178,58,0.15);  color: var(--pill-ro); }
.p-no  { background: rgba(90,100,114,0.15);  color: var(--pill-none); }
.p-bad { background: rgba(217,95,95,0.15);   color: var(--pill-warn); }

.keyb-warn {
  margin-top: 7px;
  padding: 5px 8px;
  border-radius: 3px;
  background: rgba(201,178,58,0.1);
  border: 1px solid rgba(201,178,58,0.25);
  font-size: 10px;
  color: #c9b23a;
}
.invalid-acl {
  margin-bottom: 8px;
  padding: 5px 8px;
  border-radius: 3px;
  background: rgba(217,95,95,0.1);
  border: 1px solid rgba(217,95,95,0.3);
  font-size: 10px;
  color: #d95f5f;
}

/* ── MAD SECTION ── */
.mad-sec {
  border-top: 1px solid var(--border);
  padding: 10px 14px 14px;
  background: rgba(62,207,207,0.03);
}
.mad-t {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: #3ecfcf;
  margin-bottom: 8px;
}
.mad-meta { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 8px; font-size: 10px; }
.mad-meta-i { color: var(--text-dim); }
.mad-meta-i strong { color: var(--text-main); }
.mad-tbl { width: 100%; border-collapse: collapse; font-size: 11px; }
.mad-tbl th {
  text-align: left;
  padding: 3px 8px;
  font-size: 9px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-dim);
  border-bottom: 1px solid var(--border);
  font-weight: 700;
}
.mad-tbl td { padding: 4px 8px; border-bottom: 1px solid rgba(37,43,51,0.4); }
.mad-hdr-row {
  background: var(--bg-gutter);
  color: var(--text-dim);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.5px;
  padding: 3px 8px !important;
}
.mad-pub td { background: rgba(201,106,245,0.06); }
.mad-tbl .ah { color: #3ecfcf; }
.mad-tbl .an { color: var(--text-main); }
.mad-tbl .ae { color: var(--text-dim); font-style: italic; }

/* ── STATUS BAR ── */
#st {
  grid-area: st;
  background: var(--bg-header);
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 12px;
  gap: 14px;
  font-size: 10px;
  color: var(--text-dim);
}
.st-i  { display: flex; align-items: center; gap: 4px; }
.st-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }
#st-r   { margin-left: auto; color: var(--accent); font-size: 10px; }

/* ── FLOATING JUMP NAV ── */
.jnav {
  display: none;
  position: fixed;
  z-index: 200;
  bottom: 46px;
  right: 14px;
  flex-direction: column;
  gap: 6px;
}
.jnav.on { display: flex; }

.jbtn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--border-lt);
  background: var(--bg-panel);
  color: var(--accent);
  cursor: pointer;
  display: grid;
  place-items: center;
  font-size: 18px;
  transition: all 0.15s;
  box-shadow: 0 4px 18px rgba(0,0,0,0.5);
  -webkit-tap-highlight-color: transparent;
}
.jbtn:hover { background: var(--nav-active); border-color: var(--accent); }

/* ── MOBILE BOTTOM SHEET ── */
#ms { display: none; position: fixed; inset: 0; z-index: 300; pointer-events: none; }
#ms.on { pointer-events: all; }

#ms-bd {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.55);
  opacity: 0;
  transition: opacity 0.22s;
}
#ms.on #ms-bd { opacity: 1; }

#ms-p {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  background: var(--bg-panel);
  border-top: 1px solid var(--border);
  border-radius: 14px 14px 0 0;
  max-height: 70dvh;
  display: flex;
  flex-direction: column;
  transform: translateY(100%);
  transition: transform 0.24s cubic-bezier(0.32,0.72,0,1);
}
#ms.on #ms-p { transform: translateY(0); }

#ms-h {
  width: 36px;
  height: 4px;
  border-radius: 2px;
  background: var(--border-lt);
  margin: 10px auto 6px;
  flex-shrink: 0;
}

#ms-t {
  padding: 4px 16px 10px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text-dim);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.ms-hint { font-size: 10px; color: var(--text-dim); letter-spacing: 0; font-weight: 400; text-transform: none; }

#ms-l { overflow-y: auto; flex: 1; }

.ms-i {
  display: flex;
  align-items: center;
  padding: 12px 16px;
  cursor: pointer;
  border-bottom: 1px solid var(--border);
  gap: 12px;
  -webkit-tap-highlight-color: transparent;
  transition: background 0.1s;
}
.ms-i:active, .ms-i.on { background: var(--nav-active); }

.ms-bar  { width: 3px; height: 32px; border-radius: 2px; flex-shrink: 0; background: var(--accent); }
.ms-body { flex: 1; min-width: 0; }
.ms-meta { font-size: 10px; color: var(--text-dim); margin-bottom: 3px; }
.ms-prev { font-size: 12px; color: var(--text-main); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* ── MOBILE RESPONSIVE ── */
@media (max-width: 700px) {
  #app {
    grid-template-columns: 1fr;
    grid-template-areas: "tb" "bar" "main" "st";
  }

  #sb { display: none; }
  #sb-tog { display: flex; }

  .card-pills { gap: 4px; }
  .cpill { padding: 3px 5px; }
  .cpill .cl { display: none; }

  #bar { padding: 0 8px; }
  .tb  { padding: 5px 8px; }

  .bch-a, .br-a, .bch-n, .br-n { display: none; }

  .jnav.on { display: flex; bottom: 48px; right: 10px; }
  .jbtn    { width: 48px; height: 48px; font-size: 20px; }
}

/* ── SUPPORTED TYPES BUTTON ── */
.dz-info-btn {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 5px 12px;
  border-radius: 4px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-dim);
  cursor: pointer;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  transition: all 0.12s;
}
.dz-info-btn:hover { color: var(--text-main); border-color: var(--border-lt); background: rgba(255,255,255,0.04); }
.dz-info-btn svg { width: 13px; height: 13px; flex-shrink: 0; }

/* ── SUPPORTED TYPES TOOLTIP ── */
.st-tip {
  display: none;
  position: absolute;
  z-index: 500;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: var(--bg-panel);
  border: 1px solid var(--border-lt);
  border-radius: 6px;
  box-shadow: 0 8px 40px rgba(0,0,0,0.7);
  width: min(720px, 92vw);
  max-height: min(80vh, 520px);
  pointer-events: all;
  flex-direction: column;
}
.st-tip.on { display: flex; }

.st-tip-body {
  overflow-y: auto;
  overflow-x: auto;
  flex: 1;
  -webkit-overflow-scrolling: touch;
}

.st-tip-hdr {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px 10px;
  border-bottom: 1px solid var(--border);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-lbl);
}
.st-tip-close {
  background: transparent;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  font-size: 14px;
  line-height: 1;
  padding: 2px 4px;
  border-radius: 3px;
  transition: color 0.1s;
}
.st-tip-close:hover { color: var(--text-main); }

.st-tip-tbl {
  width: 100%;
  border-collapse: collapse;
  font-size: 11px;
}
.st-tip-tbl th {
  text-align: left;
  padding: 6px 12px;
  font-size: 9px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-dim);
  border-bottom: 1px solid var(--border);
  font-weight: 700;
  background: var(--bg-editor);
  position: sticky;
  top: 0;
  z-index: 1;
}
.st-tip-tbl td {
  padding: 7px 12px;
  border-bottom: 1px solid rgba(37,43,51,0.5);
  color: var(--text-main);
  vertical-align: top;
}
.st-tip-tbl tr:last-child td { border-bottom: none; }
.st-tip-tbl td.ok   { color: var(--accent); text-align: center; font-weight: 700; }
.st-tip-tbl td.warn { color: #c9b23a;       text-align: center; font-weight: 700; }
.st-tip-tbl td.no   { color: #d95f5f;       text-align: center; font-weight: 700; }
.st-row-ok { background: rgba(46,168,110,0.03); }
.st-row-no { background: rgba(217,95,95,0.03); }
.st-tip-tbl td:last-child { color: var(--text-dim); font-size: 10px; }

.st-tip-foot {
  padding: 8px 12px;
  font-size: 9px;
  color: var(--text-dim);
  letter-spacing: 0.5px;
  border-top: 1px solid var(--border);
}

/* ── SIDEBAR COLLAPSE BUTTON ── */
.sb-col-btn {
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-dim);
  cursor: pointer;
  border-radius: 3px;
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  transition: all 0.12s;
  flex-shrink: 0;
}
.sb-col-btn:hover { border-color: var(--border); color: var(--text-main); }
.sb-col-btn svg { width: 12px; height: 12px; transition: transform 0.2s; }

/* Collapsed sidebar state */
#app.sb-collapsed {
  grid-template-columns: 32px 1fr;
}
#app.sb-collapsed #sb .snav { display: none; }
#app.sb-collapsed #sb .sb-hdr { padding: 8px 6px; justify-content: center; }
#app.sb-collapsed #sb .sb-hdr span:first-child { display: none; }
#app.sb-collapsed .sb-col-btn svg { transform: rotate(180deg); }
#app.sb-collapsed #sb { border-right: 1px solid var(--border); overflow: hidden; }