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

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

/* Hero */
.rpi-hero { text-align:center; padding:32px 0 8px; }
.rpi-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; }
.rpi-hero-sub { font-size:var(--text-lg,1.125rem); color:var(--color-text-muted,#64748b); margin:0; }

/* Card */
.rpi-card { background:#fff; border:1.5px solid var(--color-border,#e2e8f0); border-radius:var(--radius-lg,12px); overflow:hidden; }
.rpi-card-header { padding:14px 20px; border-bottom:1px solid var(--color-border-light,#f1f5f9); background:var(--color-surface,#f8fafc); display:flex; align-items:center; justify-content:space-between; flex-wrap:wrap; gap:10px; }
.rpi-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:.04em; }
.rpi-card-title svg { stroke:var(--color-primary,#0D7C7C); }

/* Sex toggle */
.rpi-sex-toggle { display:flex; border:1.5px solid var(--color-border,#e2e8f0); border-radius:6px; overflow:hidden; }
.rpi-sex-btn { padding:7px 18px; font-size:13px; font-weight:600; background:#fff; color:var(--color-text-muted,#64748b); border:none; cursor:pointer; transition:all .15s; }
.rpi-sex-btn.active { background:var(--color-primary,#0D7C7C); color:#fff; }

/* Form */
.rpi-form { padding:24px 20px; display:flex; flex-direction:column; gap:20px; }
.rpi-grid { display:grid; grid-template-columns:1fr 1fr; gap:18px; }
.rpi-field { display:flex; flex-direction:column; gap:6px; }
.rpi-field label { font-size:13px; font-weight:600; color:var(--color-text,#1e293b); }
.rpi-opt { font-size:11px; font-weight:400; color:var(--color-text-muted,#64748b); }
.rpi-input-row { display:flex; align-items:center; gap:10px; flex-wrap:wrap; }
.rpi-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:140px; min-width:0; }
.rpi-input:focus { outline:none; border-color:var(--color-primary,#0D7C7C); box-shadow:0 0 0 3px rgba(13,124,124,.12); }
.rpi-unit { font-size:13px; font-weight:600; color:var(--color-text-muted,#64748b); white-space:nowrap; }
.rpi-hint { font-size:11px; color:var(--color-text-muted,#64748b); margin:0; line-height:1.5; }

/* Unit toggle */
.rpi-unit-toggle { display:flex; border:1.5px solid var(--color-border,#e2e8f0); border-radius:6px; overflow:hidden; }
.rpi-unit-btn { padding:8px 12px; font-size:12px; font-weight:700; background:#fff; color:var(--color-text-muted,#64748b); border:none; cursor:pointer; transition:all .15s; }
.rpi-unit-btn.active { background:var(--color-primary,#0D7C7C); color:#fff; }

/* Info box */
.rpi-info-box { display:flex; gap:10px; align-items:flex-start; background:#f0f9ff; border:1px solid #bae6fd; border-radius:var(--radius,8px); padding:12px 14px; }
.rpi-info-box svg { stroke:#0284c7; flex-shrink:0; margin-top:1px; }
.rpi-info-box p { font-size:12px; color:#075985; line-height:1.6; margin:0; }

.rpi-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; width:100%; max-width:280px; align-self:center; transition:background .15s; }
.rpi-btn-calc:hover { background:var(--color-primary-dark,#0a5f5f); }

/* ── Results ──────────────────────────────────────────────────────────────── */

/* Main result card */
.rpi-main-card { border-radius:var(--radius-lg,12px); overflow:hidden; border:1.5px solid; }
.rpi-main-card.rpi-hypo    { border-color:#fca5a5; background:#fef2f2; }
.rpi-main-card.rpi-border  { border-color:#fcd34d; background:#fffbeb; }
.rpi-main-card.rpi-hyper   { border-color:#86efac; background:#f0fdf4; }

.rpi-main-inner { padding:24px 28px; display:flex; align-items:center; justify-content:space-between; flex-wrap:wrap; gap:20px; }
.rpi-val-group  { display:flex; flex-direction:column; gap:4px; }
.rpi-val-eyebrow { font-size:11px; font-weight:700; text-transform:uppercase; letter-spacing:.08em; color:var(--color-text-muted,#64748b); }
.rpi-val-number  { font-size:clamp(3rem,7vw,5rem); font-weight:900; line-height:1; }
.rpi-val-label   { font-size:14px; font-weight:600; color:var(--color-text-muted,#64748b); margin-top:4px; }

.rpi-hypo  .rpi-val-number { color:#dc2626; }
.rpi-border .rpi-val-number { color:#d97706; }
.rpi-hyper .rpi-val-number  { color:#16a34a; }

.rpi-verdict-box { display:flex; flex-direction:column; align-items:flex-end; gap:6px; }
.rpi-verdict-badge { display:inline-flex; align-items:center; gap:6px; padding:10px 18px; border-radius:10px; font-size:15px; font-weight:800; }
.badge-hypo   { background:#fef2f2; color:#dc2626; border:1.5px solid #fca5a5; }
.badge-border { background:#fffbeb; color:#d97706; border:1.5px solid #fcd34d; }
.badge-hyper  { background:#f0fdf4; color:#16a34a; border:1.5px solid #86efac; }
.rpi-verdict-sub { font-size:12px; color:var(--color-text-muted,#64748b); text-align:right; }

/* Steps card */
.rpi-steps-card { background:#fff; border:1.5px solid var(--color-border,#e2e8f0); border-radius:var(--radius-lg,12px); overflow:hidden; }
.rpi-steps-header { padding:12px 20px; border-bottom:1px solid var(--color-border-light,#f1f5f9); background:var(--color-surface,#f8fafc); font-size:13px; font-weight:700; color:var(--color-text,#1e293b); text-transform:uppercase; letter-spacing:.04em; }
.rpi-steps-body { padding:20px; display:flex; flex-direction:column; gap:14px; }
.rpi-step { display:flex; align-items:flex-start; gap:14px; }
.rpi-step-num { width:28px; height:28px; border-radius:50%; background:var(--color-primary,#0D7C7C); color:#fff; font-size:13px; font-weight:800; display:flex; align-items:center; justify-content:center; flex-shrink:0; }
.rpi-step-content { flex:1; padding-top:2px; }
.rpi-step-title { font-size:13px; font-weight:700; color:var(--color-dark,#0f172a); margin-bottom:4px; }
.rpi-step-eq { font-family:monospace; font-size:13px; background:var(--color-surface,#f8fafc); border:1px solid var(--color-border,#e2e8f0); border-radius:6px; padding:8px 12px; color:var(--color-text,#1e293b); line-height:1.6; }
.rpi-step-result { font-size:14px; font-weight:800; color:var(--color-primary,#0D7C7C); margin-top:6px; }

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

.rpi-ddx-section { padding:20px; border-bottom:1px solid var(--color-border-light,#f1f5f9); }
.rpi-ddx-title { font-size:12px; font-weight:700; text-transform:uppercase; letter-spacing:.05em; color:var(--color-text-muted,#64748b); margin-bottom:12px; }
.rpi-ddx-grid { display:grid; grid-template-columns:1fr 1fr; gap:8px; }
.rpi-ddx-item { padding:10px 12px; border-radius:8px; font-size:13px; color:var(--color-text,#1e293b); line-height:1.5; }
.ddx-primary   { background:#fef9ec; border-left:3px solid #f59e0b; }
.ddx-secondary { background:#f8fafc; border-left:3px solid #cbd5e1; }
.ddx-warn      { background:#fef2f2; border-left:3px solid #f87171; }

.rpi-action-list { list-style:none; padding:16px 20px; margin:0; display:flex; flex-direction:column; gap:10px; }
.rpi-action-item { display:flex; align-items:flex-start; gap:10px; font-size:14px; color:var(--color-text,#1e293b); line-height:1.5; }
.rpi-action-item::before { content:'→'; color:var(--color-primary,#0D7C7C); font-weight:700; flex-shrink:0; margin-top:1px; }
.rpi-action-item.urgent { background:#fef2f2; padding:8px 12px; border-radius:8px; border-left:3px solid #ef4444; }
.rpi-action-item.urgent::before { content:'!'; background:#dc2626; color:#fff; border-radius:50%; width:18px; height:18px; display:inline-flex; align-items:center; justify-content:center; font-size:11px; font-weight:900; }

/* Ref table */
.rpi-ref-table { width:100%; border-collapse:collapse; font-size:13px; }
.rpi-ref-table th { padding:10px 14px; 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; }
.rpi-ref-table td { padding:11px 14px; border-bottom:1px solid var(--color-border-light,#f1f5f9); color:var(--color-text,#1e293b); vertical-align:top; line-height:1.5; }
.rpi-ref-table tr:last-child td { border-bottom:none; }
.rpi-pill { display:inline-block; padding:2px 10px; border-radius:20px; font-size:11px; font-weight:800; text-transform:uppercase; }
.rpi-pill--red   { background:#fee2e2; color:#991b1b; }
.rpi-pill--amber { background:#fef3c7; color:#92400e; }
.rpi-pill--green { background:#dcfce7; color:#166534; }

/* Formula box */
.rpi-formula-box { padding:14px 20px; display:flex; flex-direction:column; gap:10px; border-top:1px solid var(--color-border-light,#f1f5f9); background:var(--color-surface,#f8fafc); }
.rpi-formula-row { display:flex; gap:12px; align-items:flex-start; flex-wrap:wrap; }
.rpi-formula-label { font-size:11px; font-weight:700; text-transform:uppercase; letter-spacing:.04em; color:var(--color-text-muted,#64748b); min-width:70px; flex-shrink:0; padding-top:5px; }
.rpi-formula-eq { font-size:13px; font-family:monospace; color:var(--color-text,#1e293b); background:#fff; border:1px solid var(--color-border,#e2e8f0); padding:5px 12px; border-radius:6px; flex:1; line-height:1.5; }
.rpi-ref-note { padding:10px 16px; font-size:11px; color:var(--color-text-muted,#64748b); border-top:1px solid var(--color-border-light,#f1f5f9); }

@media(max-width:600px){
    .rpi-grid { grid-template-columns:1fr; }
    .rpi-ddx-grid { grid-template-columns:1fr; }
    .rpi-main-inner { flex-direction:column; }
    .rpi-verdict-box { align-items:flex-start; }
    .rpi-verdict-sub { text-align:left; }
}