/* ==========================================================================
   Prima Pompa — css/simulasi.css
   Styling khusus halaman simulasi.html (wizard pemilihan pompa).
   Dimuat SETELAH css/style.css dan memakai variabel warna yang sama.
   ========================================================================== */

/* ---------- Tata letak halaman ---------- */
.sim-layout {
  display: grid;
  gap: 1.75rem;
  align-items: start;
}

@media (min-width: 62rem) {
  .sim-layout {
    grid-template-columns: minmax(0, 1fr) 310px;
    gap: 2rem;
  }
}

.sim-card {
  padding: clamp(1.25rem, 4vw, 2.25rem);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

/* ---------- Progress indicator ---------- */
.sim-progress {
  display: flex;
  gap: 0.5rem;
  margin: 0 0 1.75rem;
  padding: 0;
  list-style: none;
}

.sim-progress__item {
  display: flex;
  flex: 1;
  align-items: center;
  gap: 0.55rem;
  min-width: 0;
  padding-bottom: 0.7rem;
  border-bottom: 3px solid var(--line);
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 600;
  transition: border-color 0.25s ease, color 0.25s ease;
}

.sim-progress__item.is-active {
  border-bottom-color: var(--orange-500);
  color: var(--ink);
}

.sim-progress__item.is-done {
  border-bottom-color: var(--blue-700);
  color: var(--blue-700);
}

.sim-progress__num {
  display: grid;
  flex: none;
  place-items: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--blue-50);
  color: var(--blue-700);
  font-size: 0.75rem;
  font-weight: 700;
  transition: background-color 0.25s ease, color 0.25s ease;
}

.sim-progress__item.is-active .sim-progress__num {
  background: var(--orange-500);
  color: #3d2a00;
}

.sim-progress__item.is-done .sim-progress__num {
  background: var(--blue-700);
  color: #fff;
}

.sim-progress__label {
  display: none;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

@media (min-width: 34rem) {
  .sim-progress__label {
    display: inline;
  }
}

/* ---------- Langkah / fieldset ---------- */
.sim-step {
  margin: 0;
  padding: 0;
  border: 0;
}

.sim-step[hidden] {
  display: none;
}

.sim-step__legend {
  display: block;
  width: 100%;
  padding: 0;
  margin-bottom: 0.35rem;
  color: var(--ink);
  font-size: clamp(1.2rem, 3vw, 1.45rem);
  font-weight: 700;
  line-height: 1.25;
}

.sim-step__legend:focus {
  outline: none;
}

.sim-step__legend:focus-visible {
  outline: 3px solid var(--orange-500);
  outline-offset: 4px;
  border-radius: 4px;
}

.sim-step__eyebrow {
  display: block;
  margin-bottom: 0.3rem;
  color: var(--blue-600);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.sim-step__hint,
.field-hint {
  margin: 0 0 1.25rem;
  color: var(--muted);
  font-size: 0.85rem;
}

.field-hint {
  margin: 0.4rem 0 0;
}

.sim-field-label {
  margin: 1.35rem 0 0;
  color: var(--ink);
  font-size: 0.86rem;
  font-weight: 600;
}

.sim-field-label .req,
.field label .optional {
  font-weight: 500;
}

.field label .optional {
  margin-left: 0.3rem;
  color: var(--muted);
  font-size: 0.78rem;
}

/* ---------- Pilihan (radio kartu) ---------- */
.choice-grid {
  display: grid;
  gap: 0.75rem;
  margin-top: 1.1rem;
}

@media (min-width: 34rem) {
  .choice-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.choice {
  position: relative;
  display: block;
  cursor: pointer;
}

/* Input tetap ada di DOM agar bisa difokus & dibaca screen reader */
.choice input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: 0;
  opacity: 0;
}

.choice__body {
  display: flex;
  gap: 0.8rem;
  align-items: flex-start;
  height: 100%;
  padding: 1rem;
  background: #fbfdff;
  border: 1.5px solid var(--line);
  border-radius: var(--radius);
  transition: border-color 0.2s ease, background-color 0.2s ease, box-shadow 0.2s ease,
    transform 0.2s var(--ease);
}

.choice:hover .choice__body {
  border-color: #b7d0e6;
  transform: translateY(-1px);
}

.choice input:checked + .choice__body {
  background: var(--blue-50);
  border-color: var(--blue-700);
  box-shadow: 0 0 0 3px rgba(10, 77, 140, 0.12);
}

.choice input:focus-visible + .choice__body {
  outline: 3px solid var(--orange-500);
  outline-offset: 2px;
}

.choice__icon {
  display: grid;
  flex: none;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 11px;
  background: var(--blue-100);
  color: var(--blue-700);
}

.choice__icon svg {
  width: 21px;
  height: 21px;
}

.choice__title {
  display: block;
  color: var(--ink);
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.3;
}

.choice__desc {
  display: block;
  margin-top: 0.15rem;
  color: var(--muted);
  font-size: 0.81rem;
  line-height: 1.45;
}

/* Varian ringkas untuk pilihan sumber air (tanpa ikon) */
.choice-grid--compact .choice__body {
  padding: 0.85rem 1rem;
}

/* ---------- Baris input ---------- */
.field-row {
  display: grid;
  gap: 1.1rem;
  margin-top: 1.35rem;
}

@media (min-width: 34rem) {
  .field-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.sim-step .field + .field {
  margin-top: 1.25rem;
}

.sim-field--spaced {
  margin-top: 1.35rem;
}

.field-row .field + .field {
  margin-top: 0;
}

/* Pesan error grup (radio) */
.sim-error {
  display: none;
  margin: 0.6rem 0 0;
  color: var(--danger);
  font-size: 0.82rem;
  font-weight: 500;
}

.sim-error.is-visible {
  display: block;
}

/* ---------- Tombol navigasi wizard ---------- */
.sim-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: space-between;
  margin-top: 1.9rem;
  padding-top: 1.4rem;
  border-top: 1px solid var(--line);
}

.sim-actions .btn:last-child {
  margin-left: auto;
}

.sim-actions .btn[hidden] {
  display: none;
}

/* ---------- Panel hasil ---------- */
.sim-result[hidden] {
  display: none;
}

.sim-result.is-revealed {
  animation: simReveal 0.55s var(--ease) both;
}

@keyframes simReveal {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.sim-result__title {
  margin-bottom: 0.5rem;
  font-size: clamp(1.35rem, 3.2vw, 1.8rem);
  scroll-margin-top: calc(var(--header-h) + 16px);
}

.sim-result__title:focus {
  outline: none;
}

.sim-result__lead {
  margin-bottom: 1.35rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.result-metrics {
  display: grid;
  gap: 0.75rem;
  margin: 0 0 1.75rem;
}

@media (min-width: 34rem) {
  .result-metrics {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.result-metric {
  padding: 1rem 1.1rem;
  border-radius: var(--radius);
  background: linear-gradient(150deg, var(--blue-800), var(--blue-700));
  color: #c8dceb;
}

.result-metric__label {
  display: block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #9fc0d8;
}

.result-metric strong {
  display: block;
  margin: 0.2rem 0 0.1rem;
  color: #fff;
  font-size: 1.6rem;
  line-height: 1.15;
}

.result-metric strong .unit {
  margin-left: 0.15em;
  color: var(--orange-500);
  font-size: 0.9rem;
  font-weight: 600;
}

.result-metric strong .unit::before {
  content: " ";
}

.result-metric small {
  font-size: 0.78rem;
  color: #a9c6dd;
}

.sim-result__subtitle {
  margin-bottom: 1.15rem;
  font-size: 1.05rem;
}

/* Grid kartu rekomendasi: menyesuaikan jumlah hasil (1–3 kartu) */
.rec-grid {
  display: grid;
  gap: 1.15rem;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 230px), 1fr));
}

/* Jika hanya satu rekomendasi, jangan dibuat selebar kartu */
.rec-grid > .product-card:only-child {
  max-width: 380px;
}

/* Badge alternatif (tidak sepenuhnya memenuhi kebutuhan) */
.product-card__badge--alt {
  background: #e8eef4;
  color: var(--blue-800);
}

/* Baris kecocokan spesifikasi pada kartu hasil */
.rec-match {
  display: grid;
  gap: 0.35rem;
  margin: 0 0 1.2rem;
  padding: 0.8rem 0;
  border-top: 1px dashed var(--line);
  border-bottom: 1px dashed var(--line);
  list-style: none;
}

.rec-match li {
  display: grid;
  grid-template-columns: 16px auto 1fr;
  gap: 0.45rem;
  align-items: center;
  font-size: 0.8rem;
}

.rec-match svg {
  width: 15px;
  height: 15px;
}

.rec-match .is-ok svg {
  color: var(--success);
}

.rec-match .is-warn svg {
  color: var(--orange-600);
}

.rec-row__label {
  color: var(--muted);
  font-weight: 500;
}

.rec-row__value {
  color: var(--ink);
  font-weight: 600;
  text-align: right;
  white-space: nowrap;
}

.rec-row__need {
  grid-column: 2 / -1;
  margin-top: -0.2rem;
  color: #8b9bab;
  font-size: 0.72rem;
}

/* Tombol WhatsApp pada kartu hasil: jaga teks tetap satu baris */
.rec-grid .btn--wa {
  padding-inline: 0.9rem;
  font-size: 0.82rem;
  white-space: nowrap;
}

/* Peringatan katalog */
.sim-warning {
  display: block;
  margin: 0 0 1.25rem;
  padding: 0.85rem 1rem;
  border: 1px solid #f5d9a8;
  border-radius: var(--radius-sm);
  background: var(--orange-100);
  color: #7a4c05;
  font-size: 0.88rem;
}

.sim-warning[hidden] {
  display: none;
}

.sim-empty {
  padding: 1.5rem;
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  color: var(--muted);
  font-size: 0.9rem;
  text-align: center;
}

.sim-result__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.75rem;
  padding-top: 1.4rem;
  border-top: 1px solid var(--line);
}

/* ---------- Kolom samping ---------- */
.sim-side {
  display: grid;
  gap: 1.15rem;
}

.sim-side__card {
  padding: 1.4rem;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

.sim-side__card h2 {
  margin-bottom: 0.85rem;
  font-size: 1rem;
}

.sim-side__card p {
  color: var(--muted);
  font-size: 0.87rem;
}

.sim-side__card p + p {
  margin-top: 0.85rem;
}

.sim-side__card a {
  font-size: 0.87rem;
  font-weight: 600;
}

.sim-side__list {
  display: grid;
  gap: 0.85rem;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: simStep;
}

.sim-side__list li {
  position: relative;
  padding-left: 2rem;
  color: var(--muted);
  font-size: 0.86rem;
  counter-increment: simStep;
}

.sim-side__list li::before {
  content: counter(simStep);
  position: absolute;
  left: 0;
  top: 0;
  display: grid;
  place-items: center;
  width: 1.45rem;
  height: 1.45rem;
  border-radius: 50%;
  background: var(--blue-50);
  color: var(--blue-700);
  font-size: 0.72rem;
  font-weight: 700;
}

.sim-side__list strong {
  display: block;
  color: var(--ink);
  font-size: 0.88rem;
}

/* ==========================================================================
   BAGIAN 2 — Simulasi aliran air (visual cara kerja pompa)
   ✏️ EDIT warna/kecepatan:
      - warna air  : lihat .connector__water (stroke) & .tank-water (fill)
      - kecepatan  : variabel --flow-duration diatur dari js/simulasi.js
   ========================================================================== */

.flow-sim {
  padding: clamp(1.1rem, 3vw, 2rem);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

/* ---------- Baris status ---------- */
.flow-sim__bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem 1rem;
  padding-bottom: clamp(1rem, 2.5vw, 1.35rem);
  border-bottom: 1px solid var(--line);
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  background: #eef3f8;
  color: var(--slate);
  font-size: 0.78rem;
  font-weight: 600;
  white-space: nowrap;
}

.status-pill::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #9fb0c0;
}

.flow-sim[data-state="running"] .status-pill {
  background: #e7f7ee;
  color: #146c3c;
}

.flow-sim[data-state="running"] .status-pill::before {
  background: var(--success);
  animation: pillPulse 1.8s infinite;
}

.flow-sim[data-state="paused"] .status-pill {
  background: var(--orange-100);
  color: #7a4c05;
}

.flow-sim[data-state="paused"] .status-pill::before {
  background: var(--orange-600);
}

@keyframes pillPulse {
  0% {
    box-shadow: 0 0 0 0 rgba(31, 157, 85, 0.45);
  }
  70% {
    box-shadow: 0 0 0 8px rgba(31, 157, 85, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(31, 157, 85, 0);
  }
}

.flow-sim__note {
  margin: 0;
  color: var(--muted);
  font-size: 0.84rem;
}

/* ---------- Diagram ---------- */
.diagram {
  padding: clamp(1.1rem, 3vw, 1.75rem) 0 clamp(0.5rem, 2vw, 1rem);
}

.diagram__track {
  display: grid;
  gap: 0;
  justify-items: center;
}

.station {
  width: 100%;
  max-width: 420px;
}

.station__btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.3rem;
  width: 100%;
  min-height: 148px;
  padding: 1rem 0.75rem;
  background: #fbfdff;
  border: 1.5px solid var(--line);
  border-radius: var(--radius);
  cursor: pointer;
  text-align: center;
  transition: border-color 0.2s ease, background-color 0.2s ease, box-shadow 0.2s ease,
    transform 0.2s var(--ease);
}

.station__btn:hover {
  border-color: #b7d0e6;
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.station__btn.is-active {
  background: var(--blue-50);
  border-color: var(--blue-700);
  box-shadow: 0 0 0 3px rgba(10, 77, 140, 0.12);
}

.station__icon {
  display: grid;
  place-items: center;
  width: 64px;
  height: 64px;
  margin-bottom: 0.3rem;
  border-radius: 50%;
  background: var(--blue-50);
  transition: background-color 0.25s ease;
}

.station__icon svg {
  width: 54px;
  height: 54px;
}

/* Pertegas garis ikon agar terbaca di ukuran kecil */
.station__icon svg * {
  stroke-width: 3;
}

.station__btn.is-active .station__icon {
  background: #dbe9f7;
}

.station__title {
  color: var(--ink);
  font-size: 0.93rem;
  font-weight: 600;
  line-height: 1.25;
}

.station__caption {
  color: var(--muted);
  font-size: 0.74rem;
}

/* Pipa penghubung (SVG inline, dua orientasi) */
.connector {
  width: 40px;
  height: 58px;
}

.connector__svg {
  display: block;
  width: 100%;
  height: 100%;
}

.connector__svg--h {
  display: none;
}

.connector__pipe {
  stroke: #cfdde9;
  stroke-width: 10;
  stroke-linecap: round;
}

.connector__water {
  stroke: #2f7bc4;
  stroke-width: 6;
  stroke-linecap: round;
  stroke-dasharray: 1 16;
  opacity: 0;
  transition: opacity 0.3s ease;
  animation: flowDash var(--flow-duration, 1.05s) linear infinite;
  animation-play-state: paused;
}

@keyframes flowDash {
  to {
    stroke-dashoffset: -34;
  }
}

.flow-sim[data-state="running"] .connector__water {
  opacity: 1;
  animation-play-state: running;
}

.flow-sim[data-state="paused"] .connector__water {
  opacity: 0.55;
  animation-play-state: paused;
}

/* Keran ditutup: air tidak mengalir walau pompa menyala */
.flow-sim[data-state="running"].is-closed .connector__water,
.flow-sim[data-state="paused"].is-closed .connector__water {
  opacity: 0.12;
  animation-play-state: paused;
}

/* Impeler pompa berputar saat menyala */
.pump-spin {
  transform-origin: 26px 35px;
  animation: pumpSpin 2.2s linear infinite;
  animation-play-state: paused;
}

.flow-sim[data-state="running"] .pump-spin {
  animation-play-state: running;
}

@keyframes pumpSpin {
  to {
    transform: rotate(360deg);
  }
}

/* Level air di tangki (JS mengubah translateY) */
.tank-water {
  transform: translateY(34px);
  transition: transform 0.9s var(--ease);
}

/* Tetesan air di keran */
.drop {
  opacity: 0;
}

.flow-sim[data-state="running"] .drop {
  animation: drip 1.7s ease-in infinite;
}

@keyframes drip {
  0% {
    opacity: 0;
    transform: translateY(0);
  }
  15% {
    opacity: 1;
  }
  75% {
    opacity: 1;
    transform: translateY(12px);
  }
  100% {
    opacity: 0;
    transform: translateY(15px);
  }
}

/* ---------- Kartu penjelasan komponen ---------- */
.diagram__info {
  margin-top: clamp(1rem, 2.5vw, 1.4rem);
  padding: 1rem 1.15rem;
  background: var(--blue-50);
  border: 1px solid #d8e6f2;
  border-left: 4px solid var(--orange-500);
  border-radius: var(--radius);
}

.diagram__info h3 {
  margin-bottom: 0.3rem;
  font-size: 0.98rem;
}

.diagram__info p {
  margin: 0;
  color: var(--slate);
  font-size: 0.88rem;
}

/* ---------- Panel kontrol ---------- */
.flow-controls {
  display: grid;
  gap: 1.4rem;
  margin-top: clamp(1.2rem, 3vw, 1.8rem);
  padding-top: clamp(1.2rem, 3vw, 1.6rem);
  border-top: 1px solid var(--line);
}

.gauges {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.7rem;
}

.gauge {
  padding: 0.85rem 1rem;
  background: var(--blue-50);
  border-radius: var(--radius);
}

.gauge__label {
  display: block;
  color: var(--blue-600);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.gauge strong {
  display: block;
  margin-top: 0.15rem;
  color: var(--ink);
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.15;
  font-variant-numeric: tabular-nums;
}

.gauge strong small {
  margin-left: 0.25em;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 600;
}

/* Beri jarak teks untuk pembaca layar ("30 meter", bukan "30meter") */
.gauge strong small::before {
  content: " ";
}

.gauge--bar {
  display: grid;
  grid-column: 1 / -1;
  grid-template-columns: 1fr auto;
  gap: 0.3rem 0.75rem;
  align-items: center;
}

.gauge--bar .gauge__label {
  grid-column: 1 / -1;
}

.gauge--bar small {
  color: var(--blue-700);
  font-size: 0.78rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.bar {
  height: 10px;
  overflow: hidden;
  background: #dbe7f1;
  border-radius: 999px;
}

.bar__fill {
  display: block;
  width: 0;
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--blue-500), var(--orange-500));
  transition: width 0.5s var(--ease);
}

/* Slider */
.sliders {
  display: grid;
  gap: 1.15rem;
}

.slider-field label {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.5rem;
  color: var(--ink);
  font-size: 0.86rem;
  font-weight: 600;
}

.slider-field output {
  color: var(--blue-700);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.slider-field input[type="range"] {
  width: 100%;
  height: 8px;
  margin: 0;
  padding: 0;
  background: #e2ebf3;
  border-radius: 999px;
  -webkit-appearance: none;
  appearance: none;
  cursor: pointer;
}

.slider-field input[type="range"]:focus-visible {
  outline: 3px solid var(--orange-500);
  outline-offset: 4px;
}

.slider-field input[type="range"]::-webkit-slider-thumb {
  width: 22px;
  height: 22px;
  background: var(--blue-700);
  border: 3px solid #fff;
  border-radius: 50%;
  box-shadow: 0 2px 6px rgba(6, 42, 74, 0.28);
  -webkit-appearance: none;
  appearance: none;
  cursor: grab;
}

.slider-field input[type="range"]::-moz-range-thumb {
  width: 18px;
  height: 18px;
  background: var(--blue-700);
  border: 3px solid #fff;
  border-radius: 50%;
  box-shadow: 0 2px 6px rgba(6, 42, 74, 0.28);
  cursor: grab;
}

.slider-field input[type="range"]::-moz-range-track {
  height: 8px;
  background: #e2ebf3;
  border-radius: 999px;
}

.slider-hint {
  margin: 0.45rem 0 0;
  color: var(--muted);
  font-size: 0.78rem;
}

.flow-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* ---------- Breakpoint tablet & desktop ---------- */
@media (min-width: 48rem) {
  .sliders {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 60rem) {
  .diagram__track {
    grid-template-columns:
      minmax(0, 1fr) 72px minmax(0, 1fr) 72px minmax(0, 1fr) 72px
      minmax(0, 1fr);
    align-items: center;
  }

  .station {
    max-width: none;
  }

  .connector {
    width: 100%;
    height: 44px;
  }

  .connector__svg--h {
    display: block;
  }

  .connector__svg--v {
    display: none;
  }

  .flow-controls {
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
    align-items: start;
  }

  .flow-actions {
    grid-column: 1 / -1;
  }
}

/* ---------- Hormati preferensi reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  .sim-result.is-revealed {
    animation: none;
  }

  .choice:hover .choice__body {
    transform: none;
  }

  /* Simulasi aliran: state tetap bisa diubah, tetapi tanpa gerakan */
  .connector__water,
  .pump-spin,
  .drop,
  .status-pill::before {
    animation: none;
  }

  .flow-sim[data-state="running"] .connector__water {
    opacity: 1;
  }

  .tank-water,
  .bar__fill {
    transition: none;
  }
}