/* Complete Pool Guide tools: tools hub, error code lookup, chemical calculators. Loaded only on tool pages (inc/pool-tools.php). */

.toolcards--hub { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.toolcards--hub .toolcard { border: 1px solid var(--line); box-shadow: var(--shadow); }

/* ---------- Error code lookup ---------- */
.clook { display: grid; grid-template-columns: minmax(0, 380px) minmax(0, 1fr); gap: 24px; align-items: start; scroll-margin-top: 100px; }
.clook__form { display: grid; gap: 18px; padding: 22px; border-radius: 24px; background: linear-gradient(160deg, #0a1f44, #0d3a7a); color: #fff; position: sticky; top: 96px; }
.clook__lbl { display: flex; align-items: center; gap: 10px; margin: 0 0 10px; font: 800 15px/1.2 var(--font-display); color: #fff; }
.clook__lbl span { display: grid; place-items: center; width: 26px; height: 26px; border-radius: 50%; background: var(--orange); font-size: 13px; }
.clook__types { display: grid; gap: 8px; }
.clook__type { display: flex; align-items: center; gap: 10px; width: 100%; padding: 11px 14px; border: 1px solid rgba(255, 255, 255, .18); border-radius: 12px; background: rgba(255, 255, 255, .06); color: #fff; font: 600 14.5px/1.2 var(--font-head); text-align: left; cursor: pointer; transition: background .15s, border-color .15s; }
.clook__type:hover { background: rgba(255, 255, 255, .12); }
.clook__type.is-on { background: #fff; color: var(--navy); border-color: #fff; }
.clook__type.is-on .ico { color: var(--orange); }
.clook select, .clook__q input { width: 100%; padding: 12px 14px; border: 0; border-radius: 12px; font: 15px var(--font-body); color: var(--ink); background: #fff; }
.clook__q { display: grid; grid-template-columns: 1fr auto; gap: 8px; }
.clook__q input:disabled { background: rgba(255, 255, 255, .7); }
.clook__out { min-height: 320px; border: 1px solid var(--line); border-radius: 24px; background: #fff; padding: 24px; box-shadow: 0 2px 12px rgba(10, 31, 68, .05); scroll-margin-top: 100px; }
.clook__out.is-pop { animation: cpop .3s ease-out; }
@keyframes cpop { from { opacity: .4; transform: translateY(6px); } to { opacity: 1; transform: none; } }
.clook__empty { display: grid; justify-items: center; gap: 12px; padding: 50px 20px; text-align: center; color: var(--muted); }
.clook__empty .ico { width: 54px; height: 54px; padding: 12px; border-radius: 16px; background: var(--tint); color: var(--orange); }
.clook__empty p { max-width: 46ch; margin: 0; }
.clook__empty strong { display: block; color: var(--navy); font: 800 18px var(--font-display); margin-bottom: 4px; }
.cres__head { display: flex; align-items: center; gap: 18px; margin-bottom: 18px; }
.cres__badge { flex: none; display: grid; place-items: center; min-width: 74px; height: 74px; padding: 0 14px; border-radius: 20px; background: var(--tint); color: var(--orange); font: 800 22px/1 var(--font-display); }
.cres__badge--code { background: var(--navy); color: #fff; font-size: 26px; letter-spacing: .02em; box-shadow: 0 8px 20px rgba(10, 31, 68, .25); }
.cres__by { margin: 0 0 4px; font-size: 13.5px; font-weight: 700; color: var(--muted); }
.cres__t { margin: 0; font-size: clamp(21px, 2.4vw, 27px); line-height: 1.2; }
.cres__m { margin: 6px 0 0; color: var(--muted); }
.cres__shown { padding: 12px 14px; border-radius: 12px; background: var(--soft); font-size: 14.5px; }
.cres__cols { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 14px; }
.cres__box { padding: 16px 18px; border: 1px solid var(--line); border-radius: 16px; }
.cres__box ul, .cres__box ol { margin: 0; padding-left: 1.2em; display: grid; gap: 6px; font-size: 15px; }
.cres__box--steps { background: #f7faff; border-color: #cfe1fb; }
.cres__h { margin: 0 0 10px; font-size: 12px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.cres__reset { padding: 12px 14px; border-radius: 12px; background: var(--tint); font-size: 15px; }
.cres__stop { padding: 12px 14px 12px 16px; border-radius: 12px; background: #fff5f3; border-left: 4px solid #e5484d; color: #5c1d17; font-size: 15px; }
.cchips { list-style: none; margin: 0 0 16px; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 8px; }
.cchip { display: flex; align-items: center; gap: 10px; width: 100%; padding: 8px 10px; border: 1px solid var(--line); border-radius: 12px; background: #fff; text-align: left; cursor: pointer; transition: border-color .15s, background .15s; }
.cchip:hover { border-color: #9cc3f5; background: #f7faff; }
.cchip.is-on { border-color: var(--orange); background: var(--tint); }
.cchip b { flex: none; min-width: 44px; padding: 4px 6px; border-radius: 8px; background: var(--navy); color: #fff; font: 800 13px/1.2 var(--font-display); text-align: center; }
.cchip span { font-size: 13px; line-height: 1.3; color: var(--ink); }
.cres__src { margin: 0; font-size: 13.5px; color: var(--muted); }

/* ---------- Calculators ---------- */
.calc { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 420px); gap: 24px; align-items: start; }
.calc__card { padding: 22px; border: 1px solid var(--line); border-radius: 24px; background: #fff; box-shadow: 0 2px 12px rgba(10, 31, 68, .05); }
.calc__card + .calc__card { margin-top: 18px; }
.calc__h { display: flex; align-items: center; gap: 10px; margin: 0 0 14px; font: 800 18px/1.2 var(--font-display); color: var(--navy); }
.calc__h span { display: grid; place-items: center; width: 28px; height: 28px; border-radius: 50%; background: var(--orange); color: #fff; font-size: 13px; }
.calc__shapes { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }
.calc__shape { padding: 8px 14px; border: 1px solid var(--line); border-radius: 999px; background: #fff; font: 700 14px var(--font-head); color: var(--navy); cursor: pointer; }
.calc__shape.is-on { background: var(--orange); border-color: transparent; color: #fff; }
.calc__grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 12px; }
.calc label { display: grid; gap: 6px; font-size: 13.5px; font-weight: 700; color: #46597a; }
.calc input, .calc select { width: 100%; padding: 11px 12px; border: 1px solid #d6e3f4; border-radius: 12px; font: 15px var(--font-body); color: var(--ink); background: #fff; }
.calc input:focus, .calc select:focus { outline: 2px solid #9cc3f5; border-color: transparent; }
.calc__gal { margin: 14px 0 0; padding: 12px 14px; border-radius: 14px; background: var(--tint); font-size: 15px; color: var(--navy); }
.calc__gal strong { font: 800 22px var(--font-display); }
.crow { display: grid; grid-template-columns: 1.2fr .8fr .8fr 1.4fr; gap: 10px; align-items: end; padding: 12px 0; border-top: 1px dashed var(--line); }
.crow:first-of-type { border-top: 0; }
.crow__name { font: 800 15px/1.25 var(--font-display); color: var(--navy); align-self: center; }
.crow__name small { display: block; font: 500 12.5px var(--font-body); color: var(--muted); }
.calc__out { position: sticky; top: 96px; padding: 22px; border-radius: 24px; background: linear-gradient(160deg, #0a1f44, #0d3a7a); color: rgba(255, 255, 255, .85); }
.calc__out .calc__h { color: #fff; }
.calc__res { list-style: none; margin: 0 0 14px; padding: 0; display: grid; gap: 10px; }
.calc__res li { padding: 14px 16px; border-radius: 16px; background: rgba(255, 255, 255, .08); border: 1px solid rgba(255, 255, 255, .12); }
.calc__res b { display: block; color: #fff; font: 800 20px/1.2 var(--font-display); }
.calc__res span { font-size: 13.5px; }
.calc__res .is-ok { background: rgba(80, 200, 120, .12); border-color: rgba(80, 200, 120, .3); }
.calc__res .is-warn { background: rgba(229, 72, 77, .14); border-color: rgba(229, 72, 77, .35); }
.calc__note { margin: 0; font-size: 13px; color: rgba(255, 255, 255, .7); }
.calc__src { margin: 14px 0 0; font-size: 12.5px; color: rgba(255, 255, 255, .6); }
.calc__src a { color: #9fd0ff; }

@media (max-width: 980px) {
	.clook, .calc { grid-template-columns: 1fr; }
	.clook__form, .calc__out { position: static; }
	.toolcards--hub { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
	.cres__cols { grid-template-columns: 1fr; }
	.crow { grid-template-columns: 1fr 1fr; }
	.crow__name { grid-column: 1 / -1; }
}
.calc label[hidden], .calc [hidden] { display: none !important; }