/* Smart Tools - shared interface (light / dark / RTL / mobile) */
.st-app{
  --st-accent:#3b82f6; --st-accent-2:#6366f1; --st-accent-soft:rgba(59,130,246,.1);
  --st-text:#0f172a; --st-muted:#64748b; --st-border:#e2e8f0; --st-surface:#fff; --st-surface-2:#f8fafc;
  --st-ok:#16a34a; --st-ok-soft:rgba(22,163,74,.12); --st-bad:#dc2626; --st-bad-soft:rgba(220,38,38,.1);
  --st-warn:#d97706; --st-radius:14px;
  color:var(--st-text); font-size:15px; position:relative;
}
.theme-dark .st-app{
  --st-text:#e2e8f0; --st-muted:#94a3b8; --st-border:#2b3a55; --st-surface:#1a2234; --st-surface-2:#141c2c;
  --st-accent-soft:rgba(59,130,246,.18); --st-ok-soft:rgba(22,163,74,.2); --st-bad-soft:rgba(220,38,38,.2);
}
.st-app *,.st-app *::before,.st-app *::after{box-sizing:border-box}

/* layout */
.st-grid{display:grid;gap:16px}
.st-grid-2{display:grid;gap:16px;grid-template-columns:repeat(2,minmax(0,1fr))}
.st-grid-3{display:grid;gap:12px;grid-template-columns:repeat(3,minmax(0,1fr))}
.st-grid-4{display:grid;gap:12px;grid-template-columns:repeat(4,minmax(0,1fr))}
@media (max-width:767.98px){.st-grid-2,.st-grid-3{grid-template-columns:1fr}.st-grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}}
.st-panel{background:var(--st-surface);border:1px solid var(--st-border);border-radius:var(--st-radius);padding:16px;min-width:0}
.st-panel-soft{background:var(--st-surface-2)}
.st-panel h3,.st-h{font-size:1rem;font-weight:700;margin:0 0 12px;color:var(--st-text)}
.st-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.st-row-between{display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between}
.st-mt{margin-top:14px}.st-mb{margin-bottom:14px}
.st-sep{height:1px;background:var(--st-border);margin:16px 0;border:0}

/* form */
.st-label{display:block;font-size:.84rem;font-weight:600;margin:0 0 6px;color:var(--st-text)}
.st-hint{font-size:.8rem;color:var(--st-muted);margin-top:4px}
.st-input,.st-select,.st-textarea{
  width:100%;min-height:42px;padding:9px 12px;border-radius:10px;border:1px solid var(--st-border);
  background:var(--st-surface);color:var(--st-text);font:inherit;font-size:.95rem;line-height:1.5;
  transition:border-color .15s,box-shadow .15s;
}
.st-textarea{min-height:180px;resize:vertical;font-family:inherit}
.st-mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace!important;font-size:.88rem!important}
.st-input:focus,.st-select:focus,.st-textarea:focus{outline:none;border-color:var(--st-accent);box-shadow:0 0 0 3px var(--st-accent-soft)}
.st-input[readonly],.st-textarea[readonly]{background:var(--st-surface-2)}
.st-select{appearance:auto}
.st-color{width:46px;height:42px;padding:3px;border-radius:10px;border:1px solid var(--st-border);background:var(--st-surface);cursor:pointer}
.st-range{width:100%;accent-color:var(--st-accent)}
.st-field{min-width:0}

/* buttons */
.st-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:7px;min-height:42px;padding:0 16px;
  border-radius:10px;border:1px solid var(--st-border);background:var(--st-surface);color:var(--st-text);
  font:inherit;font-size:.9rem;font-weight:600;cursor:pointer;text-decoration:none;white-space:nowrap;
  transition:transform .12s,box-shadow .15s,background .15s,border-color .15s;-webkit-tap-highlight-color:transparent;touch-action:manipulation;
}
.st-btn:hover{border-color:var(--st-accent);color:var(--st-text);text-decoration:none}
.st-btn:active{transform:scale(.97)}
.st-btn:focus-visible,.st-chip input:focus-visible+span,.st-seg input:focus-visible+span{outline:3px solid var(--st-accent);outline-offset:2px}
.st-btn svg{width:17px;height:17px;flex:none}
.st-btn-primary{background:linear-gradient(135deg,var(--st-accent),var(--st-accent-2));border-color:transparent;color:#fff;box-shadow:0 8px 18px -10px var(--st-accent)}
.st-btn-primary:hover{color:#fff;filter:brightness(1.06);border-color:transparent}
.st-btn-soft{background:var(--st-accent-soft);border-color:transparent;color:var(--st-accent)}
.theme-dark .st-btn-soft{color:#93c5fd}
.st-btn-danger{color:var(--st-bad)}
.st-btn-danger:hover{border-color:var(--st-bad);color:var(--st-bad)}
.st-btn-sm{min-height:34px;padding:0 11px;font-size:.82rem;border-radius:8px}
.st-btn-icon{width:42px;padding:0}
.st-btn[disabled]{opacity:.5;cursor:not-allowed;transform:none}
.st-btn-block{width:100%}

/* chips (checkbox toggles) & segmented control (radios) */
.st-chips{display:flex;flex-wrap:wrap;gap:8px}
.st-chip{position:relative;display:inline-flex;margin:0}
.st-chip input{position:absolute;opacity:0;width:1px;height:1px}
.st-chip span{display:inline-flex;align-items:center;gap:6px;min-height:36px;padding:0 12px;border-radius:999px;border:1px solid var(--st-border);
  background:var(--st-surface);font-size:.85rem;font-weight:500;cursor:pointer;user-select:none;transition:all .15s}
.st-chip span::before{content:"";width:14px;height:14px;border-radius:4px;border:2px solid var(--st-muted);flex:none;transition:all .15s}
.st-chip input:checked+span{border-color:var(--st-accent);background:var(--st-accent-soft);color:var(--st-text)}
.st-chip input:checked+span::before{border-color:var(--st-accent);background:var(--st-accent) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23fff' stroke-width='4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") center/10px no-repeat}
.st-seg{display:inline-flex;flex-wrap:wrap;gap:4px;padding:4px;border-radius:12px;background:var(--st-surface-2);border:1px solid var(--st-border)}
.st-seg label{position:relative;margin:0}
.st-seg input{position:absolute;opacity:0;width:1px;height:1px}
.st-seg span{display:inline-flex;align-items:center;min-height:34px;padding:0 12px;border-radius:9px;font-size:.85rem;font-weight:600;color:var(--st-muted);cursor:pointer;user-select:none}
.st-seg input:checked+span{background:var(--st-surface);color:var(--st-text);box-shadow:0 1px 3px rgba(15,23,42,.15)}
.theme-dark .st-seg input:checked+span{background:#24314a}

/* stats */
.st-stats{display:grid;grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:10px}
.st-stat{background:var(--st-surface-2);border:1px solid var(--st-border);border-radius:12px;padding:12px 14px;min-width:0}
.st-stat b{display:block;font-size:1.35rem;line-height:1.2;font-weight:800;color:var(--st-text);overflow-wrap:anywhere}
.st-stat span{font-size:.78rem;color:var(--st-muted)}
.st-stat.ok b{color:var(--st-ok)}.st-stat.bad b{color:var(--st-bad)}.st-stat.accent b{color:var(--st-accent)}

/* tables */
.st-table-wrap{overflow:auto;border:1px solid var(--st-border);border-radius:12px;max-height:520px}
.st-table{width:100%;border-collapse:collapse;font-size:.9rem}
.st-table th,.st-table td{padding:9px 12px;border-bottom:1px solid var(--st-border);text-align:start;vertical-align:middle}
.st-table th{position:sticky;top:0;background:var(--st-surface-2);font-size:.78rem;text-transform:uppercase;letter-spacing:.03em;color:var(--st-muted);font-weight:700;z-index:1}
.st-table tr:last-child td{border-bottom:0}
.st-num{text-align:end!important;font-variant-numeric:tabular-nums;white-space:nowrap}
.st-bar{height:6px;border-radius:99px;background:var(--st-accent-soft);overflow:hidden;min-width:60px}
.st-bar i{display:block;height:100%;background:linear-gradient(90deg,var(--st-accent),var(--st-accent-2));border-radius:99px}

/* badges & messages */
.st-badge{display:inline-flex;align-items:center;padding:2px 9px;border-radius:999px;font-size:.75rem;font-weight:700}
.st-badge.ok{background:var(--st-ok-soft);color:var(--st-ok)}.st-badge.bad{background:var(--st-bad-soft);color:var(--st-bad)}
.st-badge.muted{background:var(--st-surface-2);color:var(--st-muted);border:1px solid var(--st-border)}
.st-msg{padding:10px 14px;border-radius:10px;font-size:.88rem;margin-top:12px}
.st-msg:empty{display:none}
.st-msg.bad{background:var(--st-bad-soft);color:var(--st-bad)}
.st-msg.ok{background:var(--st-ok-soft);color:var(--st-ok)}
.st-msg.info{background:var(--st-accent-soft);color:var(--st-text)}
.st-count{font-size:.8rem;color:var(--st-muted);font-variant-numeric:tabular-nums}

/* drop zone */
.st-drop{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;text-align:center;min-height:180px;padding:24px;
  border:2px dashed var(--st-border);border-radius:var(--st-radius);background:var(--st-surface-2);cursor:pointer;transition:all .15s}
.st-drop:hover,.st-drop.is-over{border-color:var(--st-accent);background:var(--st-accent-soft)}
.st-drop svg{width:44px;height:44px;color:var(--st-accent)}
.st-drop b{font-size:1rem}
.st-drop small{color:var(--st-muted)}

/* toast */
.st-toast{position:fixed;left:50%;bottom:24px;transform:translate(-50%,20px);z-index:2000;opacity:0;pointer-events:none;
  background:#0f172a;color:#fff;padding:10px 18px;border-radius:999px;font-size:.88rem;font-weight:600;box-shadow:0 12px 30px -10px rgba(15,23,42,.5);transition:all .25s}
.st-toast.show{opacity:1;transform:translate(-50%,0)}
.st-toast.bad{background:#dc2626}
body.has-ads-anchor .st-toast{bottom:110px}

/* output boxes */
.st-out{white-space:pre-wrap;word-break:break-word;min-height:120px;max-height:460px;overflow:auto;padding:12px;border-radius:10px;background:var(--st-surface-2);border:1px solid var(--st-border);font-size:.92rem}
.st-list{list-style:none;margin:0;padding:0;max-height:460px;overflow:auto;border:1px solid var(--st-border);border-radius:12px}
.st-list li{display:flex;align-items:center;gap:10px;padding:8px 12px;border-bottom:1px solid var(--st-border);font-size:.9rem;min-width:0}
.st-list li:last-child{border-bottom:0}
.st-list a,.st-list code{overflow-wrap:anywhere;word-break:break-all;min-width:0}

@media (max-width:575.98px){
  .st-panel{padding:12px}
  .st-btn{padding:0 12px}
  .st-row>.st-btn{flex:1 1 auto}
}
@media print{.st-noprint{display:none!important}}
@media (prefers-reduced-motion:reduce){.st-app *{transition:none!important;animation:none!important}}