/* Shared shell for the tools. Same palette and faces as the front door. */

:root{
  --bg:#0a0a0f; --surface:#12121b; --surface-2:#171724;
  --line:#23233460; --line-solid:#242436;
  --text:#f0f0f5; --text-2:#9a9ab0; --text-3:#6c6c85;
  --accent:#6366f1; --accent-2:#a78bfa;
  --ok:#34d399; --warn:#fbbf24; --bad:#f87171;
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  --sans:"Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
  --ease:cubic-bezier(.22,.61,.36,1);
}
@media (prefers-color-scheme: light){
  :root:not([data-theme="dark"]){
    --bg:#f8f9fc; --surface:#ffffff; --surface-2:#f2f3f9;
    --line:#e5e7f1; --line-solid:#dfe1ee;
    --text:#14141f; --text-2:#55556b; --text-3:#8a8aa0;
    --accent-2:#7c5cf0; --ok:#059669; --warn:#b45309; --bad:#dc2626;
  }
}
:root[data-theme="light"]{
  --bg:#f8f9fc; --surface:#ffffff; --surface-2:#f2f3f9;
  --line:#e5e7f1; --line-solid:#dfe1ee;
  --text:#14141f; --text-2:#55556b; --text-3:#8a8aa0;
  --accent-2:#7c5cf0; --ok:#059669; --warn:#b45309; --bad:#dc2626;
}

*,*::before,*::after{box-sizing:border-box}
body{
  margin:0;min-block-size:100vh;background:var(--bg);color:var(--text);
  font-family:var(--sans);font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased;
}
.page{max-inline-size:820px;margin-inline:auto;padding:clamp(1.5rem,4vh,2.5rem) clamp(1.15rem,5vw,2rem) 3rem;display:flex;flex-direction:column;gap:1.5rem}

.top{display:flex;align-items:center;gap:1rem;flex-wrap:wrap}
.back{font-family:var(--mono);font-size:.76rem;color:var(--text-3);text-decoration:none}
.back:hover{color:var(--accent-2)}
.head h1{margin:0;font-size:clamp(1.5rem,4vw,2rem);font-weight:800;letter-spacing:-.03em}
.head p{margin:.35rem 0 0;color:var(--text-2);font-size:.95rem;max-inline-size:62ch}

.card{background:var(--surface);border:1px solid var(--line);border-radius:13px;padding:1.15rem 1.2rem}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
@media (max-width:640px){.grid2{grid-template-columns:1fr}}

label{display:block;font-family:var(--mono);font-size:.68rem;text-transform:uppercase;letter-spacing:.11em;color:var(--text-3);margin-block-end:.4rem}
input[type=text],input[type=tel],textarea,select{
  inline-size:100%;background:var(--surface-2);color:var(--text);
  border:1px solid var(--line-solid);border-radius:9px;
  padding:.6rem .75rem;font-family:var(--mono);font-size:.88rem;line-height:1.6;
}
textarea{resize:vertical;min-block-size:170px}
input:focus,textarea:focus,select:focus{outline:2px solid var(--accent);outline-offset:1px;border-color:transparent}
input[type=color]{
  inline-size:44px;block-size:38px;padding:2px;background:var(--surface-2);
  border:1px solid var(--line-solid);border-radius:9px;cursor:pointer;
}
.row{display:flex;gap:.5rem;align-items:center}
.row input[type=text]{flex:1}

.btn{
  font-family:var(--sans);font-size:.88rem;font-weight:600;cursor:pointer;
  border:1px solid transparent;border-radius:99px;padding:.55rem 1.15rem;
  transition:transform .18s var(--ease),background .2s,color .2s,border-color .2s;
}
.btn:hover{transform:translateY(-2px)}
.btn:focus-visible{outline:2px solid var(--accent-2);outline-offset:3px}
.btn-p{background:var(--accent);color:#fff}
.btn-p:hover{background:var(--accent-2)}
.btn-s{background:transparent;color:var(--text-2);border-color:var(--line-solid)}
.btn-s:hover{color:var(--text);border-color:var(--accent)}
.actions{display:flex;flex-wrap:wrap;gap:.5rem;align-items:center}

.note{font-size:.82rem;color:var(--text-3)}
.err{color:var(--bad);font-size:.85rem;font-family:var(--mono);white-space:pre-wrap;word-break:break-word}
.ok{color:var(--ok)}

.pill{
  display:inline-flex;align-items:center;gap:.35rem;
  font-family:var(--mono);font-size:.7rem;font-weight:500;
  padding:.2rem .6rem;border-radius:99px;border:1px solid currentColor;
}
.pill.pass{color:var(--ok)}
.pill.fail{color:var(--bad)}

.foot{margin-block-start:.5rem;padding-block-start:1.25rem;border-block-start:1px solid var(--line);font-size:.8rem;color:var(--text-3);display:flex;flex-wrap:wrap;gap:.5rem 1rem;justify-content:space-between}
.foot a{color:var(--text-2);text-decoration:none}
.foot a:hover{color:var(--accent-2)}

@media (prefers-reduced-motion: reduce){*,*::before,*::after{transition-duration:.001ms !important}}

/* fingers need a bigger target than a mouse pointer does */
@media (pointer: coarse){
  .btn, select, .ctl, .cta-btn{min-block-size:44px}
  .keys button, .pad button, .presets button{min-block-size:46px}
  .back{padding-block:.5rem}
}

:root[lang="ar"] body{font-family:"Cairo","Inter",system-ui,sans-serif}
:root[lang="ar"] .hint,:root[lang="ar"] .head p,:root[lang="ar"] .note{font-family:"Cairo","Inter",system-ui,sans-serif}

/* one row shape in both directions: back link at the start, title filling the
   middle, language toggle always last */
.top h1{flex:1;text-align:end;margin:0}
.top h1 + .ctrls{margin-inline-start:.6rem}
/* the back arrow is a pseudo element so the cascade places it on the correct
   side instead of bidi guessing where a character in the string belongs */
:root[lang="ar"] .back::before{content:"→ "}

/* ---- shared page controls: theme + language, always last in the row ---- */
.ctrls{margin-inline-start:auto;display:flex;gap:.4rem;flex:none}
.ctlbtn{
  display:inline-flex;align-items:center;gap:.35rem;
  font-family:var(--sans);font-size:.74rem;font-weight:600;color:var(--text-2);
  background:var(--surface);border:1px solid var(--line-solid);border-radius:99px;
  padding:.34rem .7rem;cursor:pointer;white-space:nowrap;
  transition:color .2s,border-color .2s,background .2s;
}
.ctlbtn:hover{color:var(--text);border-color:var(--accent);background:var(--surface-2)}
.ctlbtn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.ctlbtn .ico{font-size:.9rem;line-height:1}
@media (max-width:520px){
  .ctlbtn .lbl{display:none}
  .top .back + .back{display:none}
}