/* KFRE Calculator — Tool Stylesheet v1.0
   Inherits LML theme CSS variables. */

.kfre-page { display:flex; flex-direction:column; gap:20px; }

.kfre-hero { text-align:center; padding:32px 0 8px; }
.kfre-hero h1 { font-size:clamp(1.875rem,4vw,2.5rem); font-weight:800; color:var(--color-dark,#0f172a); margin:8px 0 10px; letter-spacing:-0.02em; }
.kfre-hero-sub { font-size:var(--text-lg,1.125rem); color:var(--color-text-muted,#64748b); margin:0; }

.kfre-card { background:var(--color-white,#fff); border:1.5px solid var(--color-border,#e2e8f0); border-radius:var(--radius-lg,12px); overflow:hidden; }
.kfre-card-header { padding:14px 20px; border-bottom:1px solid var(--color-border-light,#f1f5f9); background:var(--color-surface,#f8fafc); }
.kfre-card-title { display:flex; align-items:center; gap:8px; font-size:13px; font-weight:700; color:var(--color-text,#1e293b); text-transform:uppercase; letter-spacing:0.04em; }
.kfre-card-title svg { stroke:var(--color-primary,#0D7C7C); }

.kfre-form { padding:24px 20px; display:flex; flex-direction:column; gap:20px; }
.kfre-field-group { display:flex; flex-direction:column; gap:6px; }
.kfre-field-group label { font-size:14px; font-weight:600; color:var(--color-text,#1e293b); }
.kfre-label-note { font-size:12px; font-weight:400; color:var(--color-text-muted,#64748b); }
.kfre-label-note a { color:var(--color-primary,#0D7C7C); }

.kfre-input-row { display:flex; align-items:center; gap:10px; flex-wrap:wrap; }
.kfre-input { height:44px; padding:0 14px; border:1.5px solid var(--color-border,#e2e8f0); border-radius:var(--radius,8px); font-size:16px; font-weight:600; color:var(--color-text,#1e293b); background:#fff; transition:border-color .15s; width:200px; }
.kfre-input--sm { width:140px; }
.kfre-input:focus { outline:none; border-color:var(--color-primary,#0D7C7C); box-shadow:0 0 0 3px rgba(13,124,124,.12); }
.kfre-unit-label { font-size:13px; font-weight:600; color:var(--color-text-muted,#64748b); white-space:nowrap; }
.kfre-hint { font-size:12px; color:var(--color-text-muted,#64748b); margin:0; line-height:1.5; }

.kfre-toggle-group { display:flex; gap:0; border:1.5px solid var(--color-border,#e2e8f0); border-radius:var(--radius,8px); overflow:hidden; width:fit-content; }
.kfre-toggle-btn { padding:10px 24px; font-size:14px; font-weight:600; background:#fff; color:var(--color-text-muted,#64748b); border:none; cursor:pointer; transition:all .15s; }
.kfre-toggle-btn.active { background:var(--color-primary,#0D7C7C); color:#fff; }

.kfre-btn-calc { display:inline-flex; align-items:center; justify-content:center; gap:8px; padding:14px 32px; background:var(--color-primary,#0D7C7C); color:#fff; font-size:15px; font-weight:700; border:none; border-radius:var(--radius,8px); cursor:pointer; transition:background .15s; width:100%; max-width:320px; align-self:center; }
.kfre-btn-calc:hover { background:var(--color-primary-dark,#0a5f5f); }

/* Results */
.kfre-result { background:#fff; border:1.5px solid var(--color-border,#e2e8f0); border-radius:var(--radius-lg,12px); overflow:hidden; }
.kfre-result-header { display:flex; align-items:center; gap:8px; padding:14px 20px; background:var(--color-surface,#f8fafc); border-bottom:1px solid var(--color-border-light,#f1f5f9); font-size:13px; font-weight:700; color:var(--color-text,#1e293b); text-transform:uppercase; letter-spacing:.04em; }
.kfre-result-header svg { stroke:var(--color-primary,#0D7C7C); }

.kfre-risk-grid { display:grid; grid-template-columns:1fr 1fr; gap:0; border-bottom:1px solid var(--color-border-light,#f1f5f9); }
.kfre-risk-box { padding:24px 20px; text-align:center; }
.kfre-risk-box:first-child { border-right:1px solid var(--color-border-light,#f1f5f9); }
.kfre-risk-label { font-size:12px; font-weight:700; text-transform:uppercase; letter-spacing:.06em; color:var(--color-text-muted,#64748b); margin-bottom:8px; }
.kfre-risk-value { font-size:clamp(2rem,5vw,3rem); font-weight:900; color:var(--color-dark,#0f172a); line-height:1; margin-bottom:12px; }
.kfre-risk-bar-wrap { height:8px; background:#f1f5f9; border-radius:4px; overflow:hidden; margin-bottom:10px; }
.kfre-risk-bar { height:100%; border-radius:4px; width:0%; transition:width .6s ease; }
.kfre-risk-tier { font-size:13px; font-weight:700; }

.kfre-interp { padding:20px; border-bottom:1px solid var(--color-border-light,#f1f5f9); }
.kfre-interp-title { font-size:14px; font-weight:700; color:var(--color-dark,#0f172a); margin-bottom:8px; }
.kfre-interp p { font-size:14px; color:var(--color-text,#1e293b); line-height:1.7; margin:0; }

.kfre-actions { padding:20px; background:var(--color-surface,#f8fafc); }
.kfre-actions-title { font-size:13px; font-weight:700; text-transform:uppercase; letter-spacing:.04em; color:var(--color-text-muted,#64748b); margin-bottom:12px; }
.kfre-action-list { list-style:none; padding:0; margin:0; display:flex; flex-direction:column; gap:8px; }
.kfre-action-item { display:flex; align-items:flex-start; gap:10px; font-size:14px; color:var(--color-text,#1e293b); line-height:1.5; }
.kfre-action-item::before { content:'→'; color:var(--color-primary,#0D7C7C); font-weight:700; flex-shrink:0; margin-top:1px; }

/* Risk tier colours */
.kfre-low    { color:#16a34a; } .kfre-bar-low    { background:#22c55e; }
.kfre-mod    { color:#d97706; } .kfre-bar-mod    { background:#f59e0b; }
.kfre-high   { color:#ea580c; } .kfre-bar-high   { background:#f97316; }
.kfre-vhigh  { color:#dc2626; } .kfre-bar-vhigh  { background:#ef4444; }

/* Ref table */
.kfre-ref-card { margin-top:0; }
.kfre-ref-table-wrap { overflow-x:auto; }
.kfre-ref-table { width:100%; border-collapse:collapse; font-size:13px; }
.kfre-ref-table th { padding:10px 16px; background:var(--color-surface,#f8fafc); font-weight:700; color:var(--color-text-muted,#64748b); text-align:left; border-bottom:1px solid var(--color-border,#e2e8f0); font-size:11px; text-transform:uppercase; letter-spacing:.04em; }
.kfre-ref-table td { padding:12px 16px; border-bottom:1px solid var(--color-border-light,#f1f5f9); color:var(--color-text,#1e293b); vertical-align:middle; }
.kfre-ref-table tr:last-child td { border-bottom:none; }
.kfre-pill { display:inline-block; padding:2px 10px; border-radius:20px; font-size:11px; font-weight:800; text-transform:uppercase; letter-spacing:.04em; }
.kfre-pill--green  { background:#dcfce7; color:#166534; }
.kfre-pill--amber  { background:#fef3c7; color:#92400e; }
.kfre-pill--orange { background:#ffedd5; color:#9a3412; }
.kfre-pill--red    { background:#fee2e2; color:#991b1b; }
.kfre-ref-note { padding:12px 16px; font-size:11px; color:var(--color-text-muted,#64748b); border-top:1px solid var(--color-border-light,#f1f5f9); line-height:1.6; }

@media(max-width:600px) {
    .kfre-risk-grid { grid-template-columns:1fr; }
    .kfre-risk-box:first-child { border-right:none; border-bottom:1px solid var(--color-border-light,#f1f5f9); }
}