/**
 * Platform Selection calculator — component styles.
 * Reuses the design tokens defined in css/site.css (:root variables, header,
 * fonts). Component look (fields, buttons, tabs, cards, tables, badges) is
 * intentionally aligned with the LED Tool module's own visual language.
 */

/* ── STEPS / SECTIONS ─────────────────────────────────────────────── */
.ps-main{max-width:1180px}
.ps-step{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:22px 24px;display:flex;flex-direction:column;gap:16px}
.ps-step-title{font-size:1.05rem;font-weight:700}
.ps-step-sub{font-size:.8rem;color:var(--muted);font-family:var(--mono)}
.ps-disclaimer{background:color-mix(in srgb,var(--accent2) 8%,transparent);border:1px solid color-mix(in srgb,var(--accent2) 30%,transparent);border-radius:8px;padding:10px 14px;font-size:.76rem;color:var(--txt);line-height:1.5}

/* ── APPLICATION CARDS (step 1) ──────────────────────────────────── */
.ps-app-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px}
.ps-app-card{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:16px 12px;display:flex;flex-direction:column;align-items:center;gap:8px;cursor:pointer;transition:all .18s;text-align:center}
.ps-app-card:hover{border-color:color-mix(in srgb,var(--accent) 55%,transparent);transform:translateY(-1px)}
.ps-app-card.active{border-color:var(--accent);background:color-mix(in srgb,var(--accent) 10%,transparent)}
.ps-app-card .ps-app-icon{font-size:1.6rem}
.ps-app-card .ps-app-label{font-size:.82rem;font-weight:700}

/* ── FIELDS (reuses LED Tool field look) ─────────────────────────── */
.ps-fg{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:12px}
.ps-field{display:flex;flex-direction:column;gap:4px}
.ps-field label{font-size:.62rem;color:var(--muted);font-family:var(--mono);text-transform:uppercase;letter-spacing:.08em}
.ps-field select,.ps-field input[type=number]{background:var(--surface);border:1px solid var(--border);color:var(--txt);padding:8px 10px;border-radius:7px;font-family:var(--sans);font-size:.85rem;font-weight:600;outline:none;transition:border-color .2s,box-shadow .2s;width:100%}
.ps-field select:focus,.ps-field input:focus{border-color:var(--accent);box-shadow:0 0 0 3px color-mix(in srgb,var(--accent) 12%,transparent)}
.ps-field .ps-hint{font-size:.58rem;color:var(--muted);font-family:var(--mono)}

/* ── RATIO DISPLAY ────────────────────────────────────────────────── */
.ps-ratio-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:10px}
.ps-ratio{background:linear-gradient(135deg,color-mix(in srgb,var(--accent) 8%,transparent),color-mix(in srgb,var(--night-blue) 15%,transparent));border:1px solid color-mix(in srgb,var(--accent) 35%,transparent);border-radius:8px;padding:10px 12px;display:flex;flex-direction:column;gap:2px}
.ps-ratio .lbl{font-family:var(--mono);font-size:.55rem;color:var(--muted);text-transform:uppercase;letter-spacing:.1em}
.ps-ratio .val{font-family:var(--mono);font-size:1.2rem;font-weight:600;color:var(--accent)}

/* ── BUTTONS ──────────────────────────────────────────────────────── */
.ps-btn{background:var(--accent);color:var(--white);border:none;padding:11px 20px;border-radius:8px;font-family:var(--sans);font-size:.88rem;font-weight:700;cursor:pointer;transition:all .2s}
.ps-btn:hover{background:var(--accent-hover);transform:translateY(-1px)}
.ps-btn.secondary{background:transparent;border:1px solid color-mix(in srgb,var(--accent) 55%,transparent);color:var(--accent)}
.ps-btn.secondary:hover{background:color-mix(in srgb,var(--accent) 10%,transparent)}
.ps-btn:disabled{background:var(--border);color:var(--muted);cursor:not-allowed;transform:none}

/* ── RESULTS ──────────────────────────────────────────────────────── */
.ps-recommended{background:linear-gradient(135deg,color-mix(in srgb,var(--accent) 10%,transparent),color-mix(in srgb,var(--teal) 6%,transparent));border:1px solid color-mix(in srgb,var(--accent) 45%,transparent);border-radius:14px;padding:22px}
.ps-recommended-hdr{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:8px;margin-bottom:14px}
.ps-recommended-title{font-size:1.15rem;font-weight:700}
.ps-kpi-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:10px}
.ps-kpi{background:var(--card);border:1px solid var(--border);border-radius:8px;padding:10px 12px;display:flex;flex-direction:column;gap:3px}
.ps-kpi .lbl{font-family:var(--mono);font-size:.53rem;color:var(--muted);text-transform:uppercase;letter-spacing:.09em}
.ps-kpi .val{font-family:var(--mono);font-size:1.05rem;font-weight:600}
.ps-why{margin-top:14px;font-size:.82rem;line-height:1.6;color:var(--txt);background:color-mix(in srgb,var(--white) 4%,transparent);border-radius:8px;padding:12px 14px;border:1px solid var(--border)}
.ps-why-title{font-family:var(--mono);font-size:.6rem;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);margin-bottom:6px}

/* ── TABLE ────────────────────────────────────────────────────────── */
.ps-tbl-wrap{overflow-x:auto;border-radius:10px;border:1px solid var(--border)}
.ps-table{width:100%;table-layout:fixed;border-collapse:collapse;font-size:.72rem}
.ps-table thead th{background:var(--table-head);color:var(--muted);font-family:var(--mono);font-size:.54rem;text-transform:uppercase;letter-spacing:.08em;padding:8px 6px;text-align:left;white-space:normal;word-break:break-word}
.ps-table tbody tr{border-bottom:1px solid var(--border);cursor:pointer;transition:background .12s}
.ps-table tbody tr:hover{background:color-mix(in srgb,var(--accent) 5%,transparent)}
.ps-table td{padding:7px 6px;white-space:normal;word-break:break-word;font-family:var(--mono)}
.ps-badge{display:inline-block;padding:2px 9px;border-radius:99px;font-size:.62rem;font-weight:700;font-family:var(--mono)}
.ps-badge.green{background:color-mix(in srgb,var(--green) 15%,transparent);color:var(--green)}
.ps-badge.orange{background:color-mix(in srgb,var(--accent2) 15%,transparent);color:var(--accent2)}
.ps-badge.red{background:color-mix(in srgb,var(--red) 15%,transparent);color:var(--red)}
.ps-badge.grey{background:color-mix(in srgb,var(--muted) 15%,transparent);color:var(--muted)}

/* ── DETAIL PANEL ─────────────────────────────────────────────────── */
.ps-detail{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:16px;margin-top:10px;display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}
.ps-detail-block-title{font-family:var(--mono);font-size:.58rem;text-transform:uppercase;letter-spacing:.1em;color:var(--teal);margin-bottom:8px}
.ps-detail-row{display:flex;justify-content:space-between;gap:10px;font-size:.75rem;padding:3px 0;border-bottom:1px dashed color-mix(in srgb,var(--border) 80%,transparent)}
.ps-detail-row span:first-child{color:var(--muted)}
.ps-warn-list{margin:0;padding-left:16px;font-size:.74rem;color:var(--accent2);line-height:1.6}

/* ── BEST ALTERNATIVES ────────────────────────────────────────────── */
.ps-alt-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px}
.ps-alt-card{background:var(--card);border:1px solid var(--border);border-radius:10px;padding:14px}
.ps-alt-card .ps-alt-label{font-family:var(--mono);font-size:.56rem;text-transform:uppercase;letter-spacing:.1em;color:var(--teal);margin-bottom:6px}
.ps-alt-card .ps-alt-name{font-weight:700;font-size:.86rem;margin-bottom:2px}
.ps-alt-card .ps-alt-metric{font-family:var(--mono);font-size:.92rem;color:var(--accent)}

/* ── ENGINEERING MODE ─────────────────────────────────────────────── */
.ps-eng-toggle{display:flex;align-items:center;gap:8px;font-family:var(--mono);font-size:.72rem;color:var(--muted)}
.ps-eng{display:none;background:var(--table-head);border:1px dashed var(--border);border-radius:8px;padding:12px;font-family:var(--mono);font-size:.68rem;color:var(--muted);white-space:pre-wrap}
.ps-eng.show{display:block}