/* =============================================================
   Tools — Quiz, Calculator, Coral viz, Tracker, Aquascape, etc
   ============================================================= */

.tool-page { padding: 80px 0; }
.tool-hero { text-align: center; margin-bottom: 48px; }
.tool-hero h1 { font-size: clamp(32px, 4.5vw, 50px); color: var(--white); }
.tool-hero p { color: var(--text-mute); font-size: 17px; max-width: 720px; margin: 0 auto; }

.tool-explainer { padding: 28px; max-width: 880px; margin: 36px auto 0; }
.tool-recommend {
	padding: 24px 28px; max-width: 880px; margin: 28px auto 0;
	background: linear-gradient(135deg, rgba(244,211,94,0.10), rgba(11,110,79,0.08));
	border-color: rgba(244,211,94,0.32);
	display: grid; gap: 12px;
}
.tool-recommend h3 { color: var(--white); font-size: 19px; margin: 4px 0 4px; }
.tool-recommend p { color: var(--text-mute); margin: 0; font-size: 14.5px; }
.tool-recommend .tr-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 6px; }
.tool-recommend .badge-pill { align-self: flex-start; }
.tool-explainer h3 { color: var(--white); margin-bottom: 12px; font-size: 20px; }
.param-grid { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); margin: 18px 0; }
.param-grid > div {
	padding: 12px 14px; background: rgba(0,0,0,0.18); border-radius: 10px;
	display: flex; justify-content: space-between; align-items: center;
	border: 1px solid var(--border);
}
.param-grid strong { color: var(--coral-gold); }
.param-grid span { color: var(--text); font-size: 13px; }

/* ---------- Field shared ---------- */
.field { display: flex; flex-direction: column; gap: 6px; font-size: 13px; }
.field span { color: var(--text-mute); font-size: 12px; font-weight: 600; letter-spacing: .04em; }
.field input, .field select {
	padding: 12px 14px; border-radius: 10px;
	background: rgba(255,255,255,0.06); border: 1px solid var(--border); color: var(--text);
	font-size: 14px;
}
.field input:focus, .field select:focus { outline: none; border-color: var(--coral-gold); }
.field output { color: var(--coral-gold); font-weight: 700; font-size: 14px; }

/* =============================================================
   Quiz
   ============================================================= */
.quiz-app {
	padding: 36px; max-width: 760px; margin: 0 auto;
}
.quiz-progress {
	display: flex; align-items: center; gap: 16px; margin-bottom: 28px;
}
.quiz-progress > .qp-fill {
	flex: 1; height: 6px; border-radius: 999px;
	background: linear-gradient(90deg, var(--marine-green), var(--coral-gold));
	transition: width .35s ease;
	max-width: 100%;
}
.quiz-progress { position: relative; }
.quiz-progress::before {
	content: ''; position: absolute; left: 0; right: 70px; top: 50%; height: 6px;
	background: rgba(255,255,255,0.08); border-radius: 999px; transform: translateY(-50%); z-index: 0;
}
.qp-fill { position: relative; z-index: 1; }
.qp-label { color: var(--text-mute); font-size: 13px; font-weight: 600; min-width: 50px; text-align: right; }

.quiz-stage { min-height: 240px; padding: 14px 0; }
.quiz-question h3 { font-size: 22px; color: var(--white); margin-bottom: 18px; }
.quiz-options { display: grid; gap: 10px; }
.quiz-option {
	padding: 14px 18px; border-radius: 12px;
	background: rgba(255,255,255,0.04); border: 1px solid var(--border);
	color: var(--text); text-align: left; font-size: 15px; cursor: pointer;
	transition: all .2s; position: relative; padding-left: 46px;
}
.quiz-option::before {
	content: ''; position: absolute; left: 16px; top: 50%; transform: translateY(-50%);
	width: 18px; height: 18px; border-radius: 50%;
	border: 2px solid var(--text-mute); transition: all .2s;
}
.quiz-option:hover { background: rgba(255,255,255,0.07); border-color: rgba(244,211,94,0.4); }
.quiz-option.is-selected {
	background: rgba(244,211,94,0.10); border-color: var(--coral-gold);
}
.quiz-option.is-selected::before { background: var(--coral-gold); border-color: var(--coral-gold); box-shadow: inset 0 0 0 4px var(--ocean-deep); }

.quiz-actions { display: flex; gap: 10px; justify-content: space-between; margin-top: 28px; padding-top: 18px; border-top: 1px solid var(--border); }

.quiz-result {
	padding: 28px; border-radius: 16px; background: linear-gradient(160deg, rgba(11,110,79,0.18), rgba(244,211,94,0.06));
	border: 1px solid rgba(244,211,94,0.3); margin-top: 22px;
}
.quiz-result h3 { color: var(--coral-gold); font-size: 22px; }
.quiz-result h2 { color: var(--white); font-size: 28px; }
.quiz-result .qr-meta { color: var(--text-mute); font-size: 14px; margin-bottom: 16px; }
.quiz-result ul { padding-left: 20px; }
.quiz-result li { padding: 4px 0; }

.quiz-fade-in { animation: quizFade .35s ease; }
@keyframes quizFade { from{opacity:0;transform:translateY(8px);} to{opacity:1;transform:translateY(0);} }

.qr-grid { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); margin: 16px 0 22px; }
.qr-card { padding: 14px; background: rgba(0,0,0,0.22); border-radius: 12px; border: 1px solid var(--border); }
.qr-card .label { color: var(--text-mute); font-size: 11px; letter-spacing: .08em; text-transform: uppercase; }
.qr-card .value { color: var(--white); font-family: var(--font-display); font-size: 18px; font-weight: 700; margin-top: 4px; line-height: 1.25; }
.qr-section { margin: 18px 0; padding: 16px 18px; background: rgba(255,255,255,0.04); border-radius: 12px; border: 1px solid var(--border); }
.qr-section h4 { font-family: var(--font-sans); font-size: 12px; letter-spacing: .14em; text-transform: uppercase; color: var(--coral-gold); margin: 0 0 10px; }
.qr-section ul { padding-left: 18px; margin: 0; }
.qr-section li { padding: 3px 0; color: var(--text); font-size: 14px; }

/* =============================================================
   Calculator
   ============================================================= */
.calc-shell { padding: 36px; max-width: 1080px; margin: 0 auto; }
.calc-grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); margin-bottom: 22px; }
.calc-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.calc-result { margin-top: 30px; padding: 28px; border-radius: 16px; background: linear-gradient(160deg, rgba(11,110,79,0.18), rgba(244,211,94,0.06)); border: 1px solid rgba(244,211,94,0.3); }
.calc-result h3 { color: var(--coral-gold); font-size: 14px; letter-spacing: .12em; text-transform: uppercase; }
.calc-result h2 { color: var(--white); font-size: 32px; }
.calc-result-grid { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); margin-top: 18px; }
.calc-result-card { padding: 14px; background: rgba(0,0,0,0.18); border-radius: 12px; border: 1px solid var(--border); }
.calc-result-card .label { color: var(--text-mute); font-size: 12px; letter-spacing: .08em; text-transform: uppercase; }
.calc-result-card .value { color: var(--white); font-family: var(--font-display); font-size: 22px; font-weight: 700; margin-top: 4px; }

/* =============================================================
   Coral visualizer
   ============================================================= */
.coral-shell {
	padding: 28px;
	display: grid; grid-template-columns: 220px 1fr 280px; gap: 22px;
	max-width: 1180px; margin: 0 auto;
}
.coral-palette h4, .coral-readout h4 { color: var(--white); font-size: 14px; letter-spacing: .1em; text-transform: uppercase; margin-bottom: 12px; }
.coral-list { display: flex; flex-direction: column; gap: 8px; margin-bottom: 16px; }
.coral-pill {
	display: flex; justify-content: space-between; align-items: center;
	padding: 10px 14px; border-radius: 10px;
	background: rgba(255,255,255,0.04); border: 1px solid var(--border);
	color: var(--text); font-size: 13.5px; font-weight: 500; cursor: grab;
	transition: all .2s;
}
.coral-pill:hover { background: rgba(255,255,255,0.08); border-color: rgba(244,211,94,0.4); transform: translateY(-1px); }
.coral-pill:active { cursor: grabbing; }
.coral-pill span { padding: 3px 8px; border-radius: 6px; background: rgba(244,211,94,0.18); color: var(--coral-gold); font-size: 10px; text-transform: uppercase; letter-spacing: .08em; }

.coral-tank {
	position: relative; aspect-ratio: 5/3;
	border-radius: 14px; overflow: hidden;
	background: linear-gradient(180deg, #052139 0%, #02101f 100%);
	border: 1px solid var(--border);
	box-shadow: inset 0 0 60px rgba(0,0,0,0.5);
}
.tank-water {
	position: absolute; inset: 0;
	background: linear-gradient(180deg, rgba(11,110,79,0.18), rgba(6,70,99,0.4));
	pointer-events: none;
}
.tank-sand {
	position: absolute; left: 0; right: 0; bottom: 0; height: 22%;
	background: linear-gradient(180deg, #c9b89a, #6e6042);
	border-top: 2px solid rgba(0,0,0,0.3);
}
.tank-rocks {
	position: absolute; bottom: 18%; left: 12%; right: 12%; height: 32%;
	background:
		radial-gradient(ellipse at 20% 100%, #2a3845 0%, transparent 50%),
		radial-gradient(ellipse at 60% 100%, #1f2a35 0%, transparent 60%),
		radial-gradient(ellipse at 85% 100%, #2a3845 0%, transparent 50%);
	pointer-events: none;
}
.tank-bubbles {
	position: absolute; inset: 0; pointer-events: none;
	background-image: radial-gradient(circle at 15% 30%, rgba(255,255,255,0.06) 1px, transparent 1px), radial-gradient(circle at 75% 60%, rgba(255,255,255,0.05) 1px, transparent 1px);
	background-size: 80px 80px;
	animation: tankBubble 12s linear infinite;
}
@keyframes tankBubble { from { background-position: 0 0, 40px 40px; } to { background-position: 0 -200px, 40px -160px; } }
.tank-canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.coral-marker { cursor: grab; transition: filter .2s; filter: drop-shadow(0 0 6px currentColor); }
.coral-marker:hover { filter: drop-shadow(0 0 14px currentColor); }
.coral-marker.is-warn { animation: warnFlash 1.4s ease-in-out infinite; }
@keyframes warnFlash { 0%,100%{filter: drop-shadow(0 0 6px #ff6b6b);} 50%{filter: drop-shadow(0 0 18px #ff6b6b);} }

.coral-readout { padding: 18px; }
.coral-warn { list-style: none; padding: 0; margin: 0 0 14px; display: grid; gap: 8px; font-size: 13px; }
.coral-warn li { padding: 10px 12px; background: rgba(255,107,107,0.10); border-left: 3px solid var(--danger); border-radius: 6px; color: var(--text); }
.coral-warn li.muted { background: rgba(255,255,255,0.04); border-left-color: var(--text-mute); color: var(--text-mute); }
.coral-needs { display: grid; gap: 6px; margin: 0 0 14px; font-size: 13px; }
.coral-needs > div { display: flex; justify-content: space-between; padding: 6px 8px; background: rgba(0,0,0,0.18); border-radius: 6px; }
.coral-needs dt { color: var(--text-mute); margin: 0; }
.coral-needs dd { margin: 0; }

@media (max-width: 980px) {
	.coral-shell { grid-template-columns: 1fr; }
}

/* =============================================================
   Equipment Planner
   ============================================================= */
.planner-shell { padding: 28px; max-width: 1080px; margin: 0 auto; }
.planner-controls { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; margin-bottom: 24px; }
.planner-list { display: grid; gap: 12px; }
.planner-row {
	display: grid; grid-template-columns: 1fr 1fr 1fr auto; gap: 14px; align-items: center;
	padding: 14px 18px; border-radius: 12px; background: rgba(0,0,0,0.18); border: 1px solid var(--border);
}
.planner-row .pr-label { font-weight: 600; color: var(--white); font-size: 14.5px; }
.planner-row .pr-rec { color: var(--text-mute); font-size: 13px; }
.planner-row .pr-price { color: var(--coral-gold); font-weight: 700; font-size: 14px; }
.planner-summary {
	margin-top: 22px; padding: 20px 22px; border-radius: 14px;
	background: linear-gradient(135deg, rgba(11,110,79,0.18), rgba(244,211,94,0.08));
	border: 1px solid rgba(244,211,94,0.3); display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap;
}
.planner-summary .ps-total { font-family: var(--font-display); font-size: 28px; color: var(--white); }
.planner-summary .ps-label { color: var(--text-mute); font-size: 13px; }
@media (max-width: 768px) {
	.planner-controls { grid-template-columns: 1fr; }
	.planner-row { grid-template-columns: 1fr 1fr; }
}

/* =============================================================
   Water tracker
   ============================================================= */
.tracker-shell { padding: 28px; max-width: 1080px; margin: 0 auto; }
.tracker-grid { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); margin-bottom: 18px; }
.tracker-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 22px; }
.tracker-readouts { display: grid; gap: 10px; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); margin-bottom: 22px; }
.tr-readout { padding: 12px 14px; background: rgba(0,0,0,0.18); border-radius: 10px; border: 1px solid var(--border); }
.tr-readout .label { color: var(--text-mute); font-size: 11px; letter-spacing: .08em; text-transform: uppercase; }
.tr-readout .value { color: var(--white); font-family: var(--font-display); font-size: 22px; font-weight: 700; }
.tr-readout.in-range .value { color: var(--success); }
.tr-readout.out-of-range .value { color: var(--danger); }

.tracker-history h4 { color: var(--white); margin-bottom: 12px; font-size: 16px; }
.tracker-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.tracker-table th, .tracker-table td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--border); }
.tracker-table th { color: var(--text-mute); font-size: 11px; letter-spacing: .08em; text-transform: uppercase; background: rgba(255,255,255,0.04); }

/* =============================================================
   Livestock
   ============================================================= */
.livestock-controls {
	display: flex; align-items: center; gap: 18px; padding: 14px 18px; margin-bottom: 24px; flex-wrap: wrap;
}
.livestock-controls input {
	flex: 1; min-width: 240px; padding: 10px 14px; border-radius: 8px;
	background: rgba(255,255,255,0.06); border: 1px solid var(--border); color: var(--text);
}
.ls-filters { display: flex; gap: 8px; flex-wrap: wrap; }
.livestock-grid { display: grid; gap: 18px; grid-template-columns: repeat(auto-fit, minmax(290px, 1fr)); }
.ls-card { padding: 22px; transition: transform .25s; }
.ls-card.is-hidden { display: none; }
.ls-card:hover { transform: translateY(-3px); }
.ls-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 10px; margin-bottom: 12px; }
.ls-head h3 { font-size: 18px; color: var(--white); margin: 0; }
.ls-specs { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 8px; padding: 10px; background: rgba(0,0,0,0.18); border-radius: 8px; margin: 0 0 12px; font-size: 11.5px; }
.ls-specs > div { display: flex; flex-direction: column; gap: 2px; align-items: center; text-align: center; }
.ls-specs dt { color: var(--text-mute); margin: 0; font-size: 10px; letter-spacing: .06em; text-transform: uppercase; }
.ls-specs dd { color: var(--text); margin: 0; font-size: 12.5px; font-weight: 600; }
.ls-feed, .ls-note { font-size: 13px; color: var(--text-mute); margin: 0 0 8px; }
.ls-actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 12px; }

/* =============================================================
   Aquascape
   ============================================================= */
.aquascape-shell { padding: 24px; max-width: 1080px; margin: 0 auto; }
.aq-toolbar { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 18px; }
.aq-canvas-wrap {
	border-radius: 14px; overflow: hidden;
	background: linear-gradient(180deg, #052139, #02101f);
	border: 1px solid var(--border);
	min-height: 320px; position: relative;
	box-shadow: inset 0 0 60px rgba(0,0,0,0.5);
}
#aq-canvas { width: 100%; height: 480px; display: block; }
.aq-readout { margin-top: 18px; padding: 18px; background: rgba(0,0,0,0.18); border-radius: 12px; border: 1px solid var(--border); }
.aq-readout h4 { color: var(--white); margin-bottom: 10px; }

/* =============================================================
   Budget calculator
   ============================================================= */
.budget-shell { padding: 28px; max-width: 1080px; margin: 0 auto; }
.budget-result {
	margin-top: 28px; padding: 24px; border-radius: 14px;
	background: linear-gradient(135deg, rgba(11,110,79,0.18), rgba(244,211,94,0.08));
	border: 1px solid rgba(244,211,94,0.3);
}
.budget-grid { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); margin-bottom: 18px; }
.budget-cell { padding: 14px; background: rgba(0,0,0,0.20); border-radius: 12px; border: 1px solid var(--border); text-align: center; }
.budget-cell .label { color: var(--text-mute); font-size: 11px; letter-spacing: .08em; text-transform: uppercase; }
.budget-cell .value { color: var(--white); font-family: var(--font-display); font-size: 26px; font-weight: 700; margin-top: 4px; }
.budget-cell.power .value { color: var(--coral-gold); }

/* =============================================================
   Flow generator + lighting
   ============================================================= */
.flow-shell, .lighting-shell { padding: 28px; max-width: 1080px; margin: 0 auto; }
.flow-canvas-wrap, .lt-canvas-wrap {
	margin-top: 18px; border-radius: 12px; overflow: hidden;
	background: linear-gradient(180deg, #052139, #02101f);
	border: 1px solid var(--border);
}
#flow-canvas, #lt-canvas { width: 100%; height: 320px; display: block; }
.flow-result, .lt-readout { margin-top: 18px; padding: 18px; background: rgba(0,0,0,0.18); border-radius: 12px; border: 1px solid var(--border); }

.lt-controls { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); align-items: end; }
.lt-controls button { align-self: end; }

/* =============================================================
   Maintenance + Stocking
   ============================================================= */
.maintenance-shell, .stocking-shell { padding: 28px; max-width: 1080px; margin: 0 auto; }
.maint-grid { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.maint-card { padding: 16px; background: rgba(0,0,0,0.18); border-radius: 12px; border: 1px solid var(--border); }
.maint-card h4 { color: var(--white); font-size: 16px; margin-bottom: 6px; }
.maint-card .freq { color: var(--coral-gold); font-size: 11px; letter-spacing: .08em; text-transform: uppercase; }
.maint-actions { display: flex; gap: 10px; margin: 22px 0; flex-wrap: wrap; }

.stk-controls { display: grid; gap: 12px; grid-template-columns: 160px 1fr auto auto; align-items: end; margin-bottom: 20px; }
.stk-list { display: grid; gap: 10px; margin-bottom: 18px; }
.stk-item {
	display: grid; grid-template-columns: 1fr auto auto auto; gap: 12px; align-items: center;
	padding: 12px 16px; background: rgba(255,255,255,0.04); border-radius: 10px; border: 1px solid var(--border);
}
.stk-warnings { padding: 18px; background: rgba(255,107,107,0.08); border: 1px solid rgba(255,107,107,0.3); border-radius: 12px; }
.stk-warnings:empty { display: none; }
.stk-warnings ul { margin: 0; padding-left: 20px; color: var(--text); font-size: 14px; }
@media (max-width: 768px) {
	.stk-controls { grid-template-columns: 1fr; }
	.stk-item { grid-template-columns: 1fr; gap: 6px; }
}

/* =============================================================
   Form generic
   ============================================================= */
.tracker-form, .quiz-app, .calc-shell, .coral-shell, .planner-shell, .budget-shell, .stocking-shell, .maintenance-shell, .flow-shell, .lighting-shell, .aquascape-shell {
	border: 1px solid var(--border);
}