*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: "Poppins", sans-serif;
  transition:
    background 0.3s,
    color 0.3s,
    border-color 0.3s,
    box-shadow 0.3s;
}

:root {
  /* TEMA TERANG (BAWAAN) */
  --bg: #f4f6f8;
  --bg2: #ffffff;
  --bg3: #f8fafc;
  --border: #e2e8f0;
  --border2: #cbd5e1;
  --text: #0f172a;
  --muted: #64748b;

  --cyan: #07dce0;
  --cyan-hover: #05b8bb;
  --cyan-dim: rgba(7, 220, 224, 0.1);
  --green: #10b981;
  --red: #ef4444;
  --red-hover: #fee2e2;

  --radius: 8px;
  --radius-lg: 16px;
}

body.dark {
  --bg: #0f172a;
  --bg2: #1e293b;
  --bg3: #334155;
  --border: #334155;
  --border2: #475569;
  --text: #f8fafc;
  --muted: #94a3b8;
  --red-hover: rgba(239, 68, 68, 0.15);
}

/* Flexbox untuk mendorong footer ke bawah */
body {
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ── HEADER ── */
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.2rem 2rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg2);
  z-index: 10;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}
body.dark header {
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.4);
}

.logo {
  font-family: "Oswald", sans-serif;
  font-weight: 700;
  font-size: 1.6rem;
  letter-spacing: 0.06em;
}
.logo span {
  color: var(--cyan);
}

.theme-toggle {
  background: var(--bg3);
  border: 1px solid var(--border2);
  color: var(--text);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}
.theme-toggle:hover {
  background: var(--border2);
}

/* ── PROGRESS BAR ── */
.progress-wrap {
  background: var(--bg2);
  padding: 1.5rem 2rem 0;
  border-bottom: 1px solid var(--border);
}
.steps {
  display: flex;
  max-width: 650px;
  margin: 0 auto;
}
.step-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
}
.step-item:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 16px;
  left: 50%;
  width: 100%;
  height: 2px;
  background: var(--border2);
  z-index: 0;
}
.step-item.done:not(:last-child)::after,
.step-item.active:not(:last-child)::after {
  background: var(--cyan);
}

.step-dot {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--bg3);
  border: 2px solid var(--border2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: "Oswald", sans-serif;
  font-weight: 700;
  font-size: 0.9rem;
  position: relative;
  z-index: 1;
}
.step-item.done .step-dot {
  background: var(--cyan);
  border-color: var(--cyan);
  color: #fff;
}
.step-item.active .step-dot {
  background: var(--cyan);
  border-color: var(--cyan);
  color: #fff;
  box-shadow: 0 0 0 5px var(--cyan-dim);
}

.step-label {
  font-size: 0.75rem;
  color: var(--muted);
  margin-top: 8px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  text-align: center;
  padding-bottom: 1rem;
}
.step-item.active .step-label {
  color: var(--cyan);
}

/* ── MAIN CONTENT ── */
main {
  flex: 1;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 3rem 1.5rem;
}
.card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem 3rem;
  width: 100%;
  max-width: 650px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}
body.dark .card {
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.card-title {
  font-family: "Oswald", sans-serif;
  font-weight: 700;
  font-size: 2.2rem;
  letter-spacing: 0.02em;
  margin-bottom: 0.25rem;
}
.card-sub {
  color: var(--muted);
  font-size: 0.95rem;
  margin-bottom: 2rem;
}

/* ── FORM ── */
.field {
  margin-bottom: 1.5rem;
}
.field label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.5rem;
}
.field input {
  width: 100%;
  background: var(--bg3);
  border: 1px solid var(--border2);
  border-radius: var(--radius);
  padding: 1rem 1.2rem;
  color: var(--text);
  font-family: "Poppins", sans-serif;
  font-size: 1rem;
  outline: none;
}
.field input:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px var(--cyan-dim);
}
.field input.error {
  border-color: var(--red);
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.15);
}
.err-msg {
  font-size: 0.8rem;
  color: var(--red);
  margin-top: 0.5rem;
  display: none;
}
.field.has-error .err-msg {
  display: block;
}

.plate-preview {
  background: #1a1200;
  border: 1px solid #4a3000;
  border-radius: 6px;
  padding: 0.5rem 1rem;
  font-family: "Oswald", sans-serif;
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: 0.15em;
  color: #fbbf24;
  display: inline-block;
  margin-top: 0.5rem;
  min-width: 130px;
  text-align: center;
}
body.light .plate-preview {
  background: #fef9c3;
  border-color: #ca8a04;
  color: #92400e;
}

/* ── SERVICE SELECTION ── */
.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.service-card {
  background: var(--bg3);
  border: 1.5px solid var(--border2);
  border-radius: var(--radius);
  padding: 1.25rem;
  cursor: pointer;
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  user-select: none;
}
.service-card:hover {
  border-color: var(--cyan);
}
.service-card.selected {
  border-color: var(--cyan);
  background: var(--cyan-dim);
  box-shadow: 0 0 0 2px var(--cyan-dim);
}
.svc-check {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 2px solid var(--border2);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.service-card.selected .svc-check {
  background: var(--cyan);
  border-color: var(--cyan);
}
.svc-check::after {
  content: "";
  width: 8px;
  height: 5px;
  border-left: 2px solid white;
  border-bottom: 2px solid white;
  transform: rotate(-45deg) translateY(-1px);
  opacity: 0;
}
.service-card.selected .svc-check::after {
  opacity: 1;
}

.svc-icon {
  font-size: 1.6rem;
  flex-shrink: 0;
}
.svc-body {
  flex: 1;
}
.svc-name {
  font-family: "Oswald", sans-serif;
  font-weight: 500;
  font-size: 1.1rem;
}
.svc-desc {
  font-size: 0.85rem;
  color: var(--muted);
  margin-top: 0.3rem;
  line-height: 1.5;
}

.svc-badge {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 4px;
  margin-left: 8px;
}
.badge-fast {
  background: rgba(16, 185, 129, 0.15);
  color: var(--green);
  border: 1px solid rgba(16, 185, 129, 0.3);
}
.badge-heavy {
  background: rgba(239, 68, 68, 0.12);
  color: var(--red);
  border: 1px solid rgba(239, 68, 68, 0.25);
}

/* ── KONFIRMASI & ANTRIAN ── */
.confirm-block {
  background: var(--bg3);
  border: 1px solid var(--border2);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-bottom: 1.2rem;
}
.confirm-block.highlight {
  background: var(--cyan-dim);
  border-color: var(--cyan);
}
.highlight-text {
  font-family: "Oswald", sans-serif;
  font-size: 1.2rem;
  color: var(--cyan);
}
.confirm-block h4 {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 1rem;
}
.confirm-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem 0;
  font-size: 0.95rem;
  border-bottom: 1px solid var(--border);
}
.confirm-row:last-child {
  border-bottom: none;
}
.confirm-row .label {
  color: var(--muted);
}
.confirm-row .val {
  font-weight: 600;
  text-align: right;
}

.svc-confirm-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.svc-confirm-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.95rem;
  padding: 0.25rem 0;
}
.svc-confirm-item .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  flex-shrink: 0;
}

.queue-result {
  text-align: center;
}
.queue-number-wrap {
  background: var(--bg3);
  border: 2px solid var(--cyan);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  margin: 1.5rem 0;
}
.queue-label {
  font-family: "Oswald", sans-serif;
  font-size: 0.9rem;
  letter-spacing: 0.2em;
  color: var(--cyan);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
}
.queue-number {
  font-family: "Oswald", sans-serif;
  font-weight: 700;
  font-size: 5.5rem;
  line-height: 1;
  color: var(--text);
}
.queue-info-row {
  display: flex;
  gap: 1rem;
  margin: 1.5rem 0;
}
.queue-info-box {
  flex: 1;
  background: var(--bg3);
  border: 1px solid var(--border2);
  border-radius: var(--radius);
  padding: 1rem;
  text-align: center;
}
.qib-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.35rem;
}
.qib-val {
  font-family: "Oswald", sans-serif;
  font-weight: 600;
  font-size: 1.15rem;
}

/* ── BUTTONS ── */
.btn-group {
  display: flex;
  gap: 1rem;
  width: 100%;
  margin-top: 2rem;
}
.btn {
  flex: 1;
  padding: 1rem;
  border-radius: var(--radius);
  font-family: "Oswald", sans-serif;
  font-weight: 500;
  font-size: 1.05rem;
  letter-spacing: 0.05em;
  cursor: pointer;
  border: none;
  text-transform: uppercase;
  text-align: center;
}
.btn-primary {
  background: var(--cyan);
  color: #fff;
}
.btn-primary:hover {
  background: var(--cyan-hover);
}
.btn-secondary {
  background: transparent;
  border: 1.5px solid var(--border2);
  color: var(--text);
}
.btn-secondary:hover {
  border-color: var(--muted);
  background: var(--bg3);
}
.btn-reset {
  background: transparent;
  border: 1.5px solid var(--red);
  color: var(--red);
}
.btn-reset:hover {
  background: var(--red-hover);
}

/* ── TRANSISI HALAMAN ── */
.page {
  display: none;
  animation: fadeUp 0.3s ease;
}
.page.active {
  display: block;
}
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ── FOOTER ── */
footer {
  text-align: center;
  padding: 1.5rem;
  font-size: 0.85rem;
  color: var(--muted);
  border-top: 1px solid var(--border);
  background: var(--bg2);
  margin-top: auto; /* Ini yang membuat footer diam di bawah jika layarnya tinggi */
}

/* ── RESPONSIVE MOBILE ── */
@media (max-width: 600px) {
  header {
    padding: 1rem 1.5rem;
  }
  main {
    padding: 1.5rem 1rem;
  }
  .card {
    padding: 2rem 1.5rem;
  }
  .service-grid {
    grid-template-columns: 1fr;
  }
  .btn-group {
    flex-direction: column-reverse;
    gap: 0.75rem;
  }
  .btn-group .btn {
    width: 100%;
  }
  .queue-info-row {
    flex-direction: column;
    gap: 0.75rem;
  }
  .queue-number {
    font-size: 4rem;
  }
  .step-label {
    font-size: 0.65rem;
  }
  .step-dot {
    width: 30px;
    height: 30px;
    font-size: 0.8rem;
  }
}