/*
 * Hoki Overpayment Calculator — scoped styles
 * All rules are scoped under .hoki-oc so they don't bleed into the theme.
 *
 * Brand colours (--accent, --accent-mid, --primary, --muted) are set as
 * inline CSS custom properties on the .hoki-oc wrapper element by the
 * shortcode PHP. Other variables are derived or use static defaults below.
 */

.hoki-oc {
  /* Derived brand colours — computed from the injected brand vars */
  --accent-light:  color-mix(in srgb, var(--accent, #00875A) 12%, white);
  --accent-border: color-mix(in srgb, var(--accent, #00875A) 35%, white);

  /* Static palette */
  --bg:           #f4f6f9;
  --surface:      #ffffff;
  --border:       #dce3ea;
  --text:         #12202f;
  --text-mid:     #3a4a5a;
  --danger:       #c0392b;
  --warn-bg:      #fffbef;
  --warn-border:  #e0b332;
  --radius:       10px;
  --shadow-sm:    0 1px 4px rgba(10,37,64,.07);

  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  color: var(--text);
  box-sizing: border-box;
}

.hoki-oc *, .hoki-oc *::before, .hoki-oc *::after {
  box-sizing: border-box;
}

/* ── Layout ──────────────────────────────────────────────────── */
.hoki-oc-layout {
  display: grid;
  grid-template-columns: 430px 1fr;
  gap: 1.5rem;
  align-items: start;
}
@media (max-width: 880px) {
  .hoki-oc-layout { grid-template-columns: 1fr; }
}

/* ── Cards ───────────────────────────────────────────────────── */
.hoki-oc .card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
}

/* ── Fieldsets ───────────────────────────────────────────────── */
.hoki-oc fieldset {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem 1.2rem 1.1rem;
  margin-bottom: 1rem;
}
.hoki-oc legend {
  font-size: .78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--primary, #0A2540);
  padding: 0 .4rem;
}

/* ── Form fields ─────────────────────────────────────────────── */
.hoki-oc .field { margin-bottom: .85rem; }
.hoki-oc .field:last-child { margin-bottom: 0; }

.hoki-oc label.field-label {
  display: block;
  font-size: .855rem;
  font-weight: 500;
  color: var(--text-mid);
  margin-bottom: .32rem;
}
.hoki-oc .opt { font-weight: 400; color: var(--muted, #6b7c8e); font-size: .78rem; margin-left: .25rem; }

.hoki-oc .input-wrap { position: relative; }
.hoki-oc .pfx, .hoki-oc .sfx {
  position: absolute;
  top: 50%; transform: translateY(-50%);
  color: var(--muted, #6b7c8e);
  font-size: .92rem;
  pointer-events: none;
  z-index: 1;
}
.hoki-oc .pfx { left: .7rem; }
.hoki-oc .sfx { right: .7rem; }

/* Specificity (0,3,1) beats input:not():not() = (0,2,1) */
.hoki-oc .has-pfx input:not([type=radio]):not([type=checkbox]) { padding-left: 1.9rem; }
.hoki-oc .has-sfx input:not([type=radio]):not([type=checkbox]) { padding-right: 2.2rem; }

.hoki-oc input:not([type=radio]):not([type=checkbox]),
.hoki-oc select {
  width: 100%;
  padding: .6rem .75rem;
  border: 1.5px solid var(--border);
  border-radius: 6px;
  font-size: .95rem;
  color: var(--text);
  background: #fff;
  font-family: inherit;
  transition: border-color .15s, box-shadow .15s;
  appearance: none;
}
.hoki-oc input:focus, .hoki-oc select:focus {
  outline: none;
  border-color: var(--accent, #00875A);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent, #00875A) 20%, transparent);
}
.hoki-oc input[aria-invalid="true"] { border-color: var(--danger); }

.hoki-oc .field-error {
  display: block;
  font-size: .77rem;
  color: var(--danger);
  margin-top: .2rem;
  min-height: 1em;
}

.hoki-oc .row2 { display: grid; grid-template-columns: 1fr 1fr; gap: .75rem; }
@media (max-width: 480px) {
  .hoki-oc .row2 { grid-template-columns: 1fr; }
}

/* ── Radio groups ────────────────────────────────────────────── */
.hoki-oc .radio-group { display: flex; gap: .45rem; flex-wrap: wrap; margin-top: .1rem; }
.hoki-oc .rl {
  display: inline-flex; align-items: center; gap: .38rem;
  font-size: .855rem; cursor: pointer;
  padding: .42rem .8rem;
  border: 1.5px solid var(--border);
  border-radius: 6px;
  transition: border-color .13s, background .13s;
  user-select: none;
}
.hoki-oc .rl:has(input:checked) {
  border-color: var(--accent, #00875A);
  background: var(--accent-light);
  color: var(--accent, #00875A);
  font-weight: 600;
}
.hoki-oc .rl input { width: auto; padding: 0; border: none; box-shadow: none; }
.hoki-oc .rec { font-size: .7rem; color: var(--accent, #00875A); font-weight: 700; margin-left: .1rem; }

/* ── Savings section ─────────────────────────────────────────── */
.hoki-oc details.savings-wrap {
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 1rem;
}
.hoki-oc details.savings-wrap summary {
  padding: .75rem 1.2rem;
  font-size: .78rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: .07em;
  color: var(--primary, #0A2540);
  cursor: pointer;
  list-style: none;
  display: flex; align-items: center; justify-content: space-between;
}
.hoki-oc details.savings-wrap summary::after { content: "+"; font-size: 1.1rem; }
.hoki-oc details.savings-wrap[open] summary::after { content: "−"; }
.hoki-oc .savings-body {
  padding: .6rem 1.2rem 1.1rem;
  border-top: 1px solid var(--border);
}

/* ── Buttons ─────────────────────────────────────────────────── */
.hoki-oc .btn-row { display: flex; gap: .7rem; margin-top: .25rem; }
.hoki-oc .btn {
  padding: .72rem 1.4rem;
  border: none; border-radius: 7px;
  font-size: .935rem; font-weight: 600;
  cursor: pointer; font-family: inherit;
  transition: background .13s, transform .08s;
}
.hoki-oc .btn:active { transform: translateY(1px); }
.hoki-oc .btn-primary { background: var(--accent, #00875A); color: #fff; flex: 1; }
.hoki-oc .btn-primary:hover:not(:disabled) {
  background: var(--accent-mid, #00a36c);
}
.hoki-oc .btn-primary:disabled { background: #9ecec2; cursor: not-allowed; opacity: .8; }
.hoki-oc .btn-secondary {
  background: transparent;
  border: 1.5px solid var(--border);
  color: var(--text-mid);
}
.hoki-oc .btn-secondary:hover { background: var(--bg); }

/* ── Calc hint ───────────────────────────────────────────────── */
.hoki-oc .calc-hint {
  font-size: .825rem; color: var(--muted, #6b7c8e);
  margin-top: .5rem; padding: .5rem .75rem;
  background: var(--bg); border-radius: 6px;
  border: 1px solid var(--border);
}
.hoki-oc .calc-hint strong { color: var(--text-mid); }

/* ── Results placeholder ─────────────────────────────────────── */
.hoki-oc .placeholder {
  text-align: center;
  padding: 3.5rem 1.5rem;
  color: var(--muted, #6b7c8e);
}
.hoki-oc .placeholder svg { opacity: .35; margin-bottom: .75rem; display: block; margin-left: auto; margin-right: auto; }
.hoki-oc .placeholder p { font-size: .9rem; }

/* ── Headline metrics ────────────────────────────────────────── */
.hoki-oc .metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: .75rem;
  margin-bottom: 1.5rem;
}
.hoki-oc .metric { border-radius: 8px; padding: 1rem 1.1rem; }
.hoki-oc .metric.hero {
  background: var(--primary, #0A2540);
  border: 1px solid var(--primary, #0A2540);
}
.hoki-oc .metric.soft {
  background: var(--accent-light);
  border: 1px solid var(--accent-border);
}
.hoki-oc .metric-lbl {
  font-size: .72rem;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--muted, #6b7c8e);
  margin-bottom: .3rem;
}
.hoki-oc .metric.hero .metric-lbl { color: rgba(255,255,255,.6); }
.hoki-oc .metric-val { font-size: 1.7rem; font-weight: 700; color: var(--primary, #0A2540); line-height: 1.1; }
.hoki-oc .metric.hero .metric-val { color: #fff; }
.hoki-oc .metric-val.lg { font-size: 1.15rem; }

/* ── Comparison columns ──────────────────────────────────────── */
.hoki-oc .compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.5rem;
}
@media (max-width: 560px) { .hoki-oc .compare { grid-template-columns: 1fr; } }
.hoki-oc .compare-col h3 {
  font-size: .75rem;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--muted, #6b7c8e);
  font-weight: 700;
  margin-bottom: .65rem;
}
.hoki-oc .compare-col table { width: 100%; border-collapse: collapse; }
.hoki-oc .compare-col td {
  padding: .38rem 0;
  font-size: .875rem;
  border-bottom: 1px solid var(--border);
}
.hoki-oc .compare-col td:first-child { color: var(--muted, #6b7c8e); }
.hoki-oc .compare-col td:last-child { text-align: right; font-weight: 600; }

/* ── Savings result ──────────────────────────────────────────── */
.hoki-oc .savings-result {
  background: var(--warn-bg);
  border: 1px solid var(--warn-border);
  border-radius: 8px;
  padding: .9rem 1.1rem;
  margin-bottom: 1.5rem;
  font-size: .875rem;
}
.hoki-oc .savings-result p { margin-bottom: .35rem; }
.hoki-oc .savings-result p:last-child { margin-bottom: 0; }
.hoki-oc .savings-verdict { font-weight: 600; color: var(--text); }

/* ── Chart ───────────────────────────────────────────────────── */
.hoki-oc .chart-box {
  height: 260px;
  position: relative;
  margin-bottom: 1.25rem;
}

/* ── Amortisation table ──────────────────────────────────────── */
.hoki-oc details.amort {
  margin-bottom: 1.5rem;
  border: 1px solid var(--border);
  border-radius: 8px;
}
.hoki-oc details.amort summary {
  padding: .75rem 1rem;
  font-size: .855rem;
  font-weight: 600;
  color: var(--primary, #0A2540);
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.hoki-oc details.amort summary::after { content: "▸ Show"; font-size: .78rem; color: var(--muted, #6b7c8e); }
.hoki-oc details.amort[open] summary::after { content: "▾ Hide"; }
.hoki-oc .amort-scroll { overflow-x: auto; }
.hoki-oc .amort-table { width: 100%; border-collapse: collapse; font-size: .8rem; }
.hoki-oc .amort-table th {
  background: var(--bg);
  padding: .45rem .6rem;
  text-align: right;
  font-size: .7rem;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--muted, #6b7c8e);
  border-bottom: 2px solid var(--border);
  white-space: nowrap;
}
.hoki-oc .amort-table th:first-child,
.hoki-oc .amort-table td:first-child { text-align: left; }
.hoki-oc .amort-table td { padding: .38rem .6rem; text-align: right; border-bottom: 1px solid var(--border); white-space: nowrap; }
.hoki-oc .amort-table tr:hover td { background: var(--bg); }
.hoki-oc .amort-table tr.op-row td { background: color-mix(in srgb, var(--accent, #00875A) 8%, white); }
.hoki-oc .amort-footer { padding: .65rem 1rem; border-top: 1px solid var(--border); }
.hoki-oc .btn-csv {
  font-size: .82rem; font-family: inherit; font-weight: 500;
  background: transparent;
  border: 1.5px solid var(--border);
  border-radius: 6px;
  padding: .42rem .9rem;
  cursor: pointer; color: var(--text-mid);
}
.hoki-oc .btn-csv:hover { background: var(--bg); }

/* ── Conditional warnings ────────────────────────────────────── */
.hoki-oc .cond-warnings { margin-bottom: 1.25rem; }
.hoki-oc .cond-warn {
  display: flex; gap: .6rem;
  background: var(--warn-bg);
  border: 1px solid var(--warn-border);
  border-left-width: 4px;
  border-radius: 6px;
  padding: .75rem .9rem;
  margin-bottom: .5rem;
  font-size: .845rem;
  line-height: 1.5;
}
.hoki-oc .cond-warn-icon { flex-shrink: 0; }

/* ── Regulatory warnings ─────────────────────────────────────── */
.hoki-oc .reg-warnings {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.2rem 1.3rem;
  margin-bottom: 1.5rem;
}
.hoki-oc .reg-warnings h4 {
  font-size: .72rem;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--muted, #6b7c8e);
  margin-bottom: .75rem;
  font-weight: 700;
}
.hoki-oc .reg-warn {
  font-size: .825rem;
  color: var(--text-mid);
  line-height: 1.55;
  padding-left: .8rem;
  border-left: 3px solid var(--warn-border);
  margin-bottom: .65rem;
}
.hoki-oc .reg-warn:last-of-type { margin-bottom: 0; }
.hoki-oc .disclaimer {
  font-size: .79rem;
  color: var(--muted, #6b7c8e);
  font-style: italic;
  margin-top: .85rem;
  padding-top: .75rem;
  border-top: 1px solid var(--border);
}

/* ── CTA block ───────────────────────────────────────────────── */
.hoki-oc .cta-block {
  background: var(--primary, #0A2540);
  border-radius: var(--radius);
  padding: 1.2rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.hoki-oc .cta-block p { color: rgba(255,255,255,.88); font-size: .875rem; margin: 0; }
.hoki-oc .btn-cta {
  background: var(--accent, #00875A);
  color: #fff;
  border: none;
  padding: .6rem 1.2rem;
  border-radius: 6px;
  font-size: .875rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  font-family: inherit;
  text-decoration: none;
  display: inline-block;
  transition: background .13s;
}
.hoki-oc .btn-cta:hover { background: var(--accent-mid, #00a36c); color: #fff; }

/* ── Mobile ──────────────────────────────────────────────────── */
@media (max-width: 640px) {
  .hoki-oc .card        { padding: 1.1rem; }
  .hoki-oc fieldset     { padding: .7rem .85rem .8rem; }
  .hoki-oc .chart-box   { height: 200px; }
  .hoki-oc .cta-block   { flex-direction: column; padding: 1rem 1.1rem; gap: .7rem; }
  .hoki-oc .btn-cta     { width: 100%; text-align: center; display: block; }
  .hoki-oc .reg-warnings      { padding: .9rem 1rem; }
  .hoki-oc .cond-warn         { font-size: .82rem; }
  .hoki-oc .savings-result    { font-size: .84rem; }
  .hoki-oc .savings-body      { padding: .5rem .85rem .85rem; }
  .hoki-oc .compare-col td    { font-size: .82rem; }
  .hoki-oc details.amort summary { padding: .65rem .85rem; font-size: .82rem; }
}

@media (max-width: 480px) {
  .hoki-oc .metrics    { gap: .45rem; margin-bottom: 1rem; }
  .hoki-oc .metric     { padding: .7rem .65rem; }
  .hoki-oc .metric-val { font-size: 1.15rem; }
  .hoki-oc .metric-val.lg   { font-size: .95rem; }
  .hoki-oc .metric-lbl { font-size: .65rem; }
}