/* COST QR Generator - bergaya sama situs utama COST (cost.biz.id) */

:root {
  --paper: #f0f3f8;
  --band: #e1e9f3;
  --ink: #0e1c2e;
  --ink-soft: #52647c;
  --rule: rgba(14, 28, 46, 0.22);
  --rule-strong: rgba(14, 28, 46, 0.35);
  --grid-line: rgba(14, 28, 46, 0.09);
  --card: #fbfdff;
  --blue: #1a56b0;
  --blue-deep: #14478c;
  --scope: #0e9cc0;
  --signal: #ffd23f;
  --danger: #b3261e;
  --danger-soft: #f9eceb;
  --r-input: 6px;
  --r-btn: 8px;
  --r-card: 10px;
  --shadow-card: 0 10px 28px rgba(14, 28, 46, 0.10);
  --font-display: "Chakra Petch", system-ui, sans-serif;
  --font-body: "Atkinson Hyperlegible", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16.5px;
  background-color: var(--paper);
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 28px 28px;
  color: var(--ink);
  line-height: 1.55;
}

/* ---------- Animasi dasar ---------- */

@keyframes rise {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes riseTilt {
  from { opacity: 0; transform: translateY(18px) rotate(-0.6deg) scale(0.985); }
  to { opacity: 1; transform: none; }
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(100%); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes drawX {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}

@keyframes markPop {
  from { opacity: 0; transform: scale(0.2); }
  to { opacity: 1; transform: scale(1); }
}

@keyframes scan {
  0% { transform: translateY(-46%); opacity: 0; }
  12% { opacity: 0.55; }
  50% { transform: translateY(46%); opacity: 0.55; }
  62% { opacity: 0; }
  100% { transform: translateY(-46%); opacity: 0; }
}

/* Entrance: kaskade sesuai urutan baca, sekali jalan saat load.
   Semua cuma transform/opacity supaya jalan di compositor */
.brand { animation: rise 0.55s cubic-bezier(0.16, 1, 0.3, 1) both; }
.brand::before { animation: drawX 0.5s cubic-bezier(0.16, 1, 0.3, 1) 0.1s both; }
.brand-mark rect {
  transform-box: fill-box;
  transform-origin: center;
  animation: markPop 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) both;
}
.brand-mark rect:nth-child(1) { animation-delay: 0.14s; }
.brand-mark rect:nth-child(2) { animation-delay: 0.22s; }
.brand-mark rect:nth-child(3) { animation-delay: 0.27s; }
.brand-mark rect:nth-child(4) { animation-delay: 0.32s; }
.brand-mark rect:nth-child(5) { animation-delay: 0.37s; }
.brand-mark rect:nth-child(6) { animation-delay: 0.42s; }
.tab { animation: rise 0.45s cubic-bezier(0.16, 1, 0.3, 1) both; }
.tab:nth-child(1) { animation-delay: 0.14s; }
.tab:nth-child(2) { animation-delay: 0.19s; }
.tab:nth-child(3) { animation-delay: 0.24s; }
.tab:nth-child(4) { animation-delay: 0.29s; }
.tabpane.is-active { animation: rise 0.4s cubic-bezier(0.16, 1, 0.3, 1) both; }
body.boot .tabpane.is-active { animation-delay: 0.2s; }
.customize { animation: rise 0.5s cubic-bezier(0.16, 1, 0.3, 1) 0.26s both; }
.panel-preview { animation: riseTilt 0.6s cubic-bezier(0.16, 1, 0.3, 1) 0.18s both; }
.preview-card::before { animation: drawX 0.55s cubic-bezier(0.16, 1, 0.3, 1) 0.3s both; }
.history { animation: rise 0.55s cubic-bezier(0.16, 1, 0.3, 1) 0.3s both; }
.foot { animation: rise 0.55s cubic-bezier(0.16, 1, 0.3, 1) 0.34s both; }

/* ---------- Header ---------- */

.topbar {
  max-width: 1080px;
  margin: 20px auto 0;
  padding: 0 24px;
}

.brand {
  position: relative;
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--card);
  border: 1.5px solid var(--rule);
  border-radius: var(--r-card);
  box-shadow: var(--shadow-card);
  padding: 22px 20px 16px;
  overflow: hidden;
}

/* Strip biru yang "menggambar" dari kiri saat masuk */
.brand::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: var(--blue);
  border-radius: 8px 8px 0 0;
  transform-origin: left center;
}

.brand-mark {
  width: 46px;
  height: 46px;
  flex: none;
  border-radius: 9px;
  border: 1.5px solid var(--rule-strong);
}

.brand h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.tagline {
  margin: 2px 0 0;
  font-size: 14px;
  color: var(--ink-soft);
}

/* ---------- Layout ---------- */

.layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 380px;
  gap: 24px;
  align-items: start;
  max-width: 1080px;
  margin: 0 auto;
  padding: 20px 24px;
}

/* ---------- Form panel ---------- */

.tabs {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 4px;
  padding: 4px;
  background: var(--band);
  border: 1.5px solid var(--rule);
  border-radius: 9px;
  margin-bottom: 20px;
}

.tab {
  border: 0;
  background: transparent;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-soft);
  padding: 8px 0;
  border-radius: 6px;
  cursor: pointer;
  touch-action: manipulation;
  transition: background 0.15s, color 0.15s;
}

.tab:hover { color: var(--ink); background: rgba(14, 28, 46, 0.06); }

.tab.is-active {
  background: var(--blue);
  color: #ffffff;
  font-weight: 600;
}

.tabpane { padding: 4px 2px; }

.field { margin-bottom: 16px; }

.field label {
  display: block;
  font-weight: 700;
  font-size: 14.5px;
  margin-bottom: 6px;
}

.field input[type="text"],
.field input[type="url"],
.field input[type="tel"],
.field input[type="email"],
.field input[type="password"],
.field select,
.field textarea {
  width: 100%;
  padding: 10px 12px;
  font-family: var(--font-body);
  font-size: 15.5px;
  color: var(--ink);
  background: var(--card);
  border: 1.5px solid var(--rule-strong);
  border-radius: var(--r-input);
  transition: border-color 0.15s, box-shadow 0.15s;
}

.field textarea { resize: vertical; }

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(26, 86, 176, 0.20);
}

.field input::placeholder,
.field textarea::placeholder { color: var(--ink-soft); opacity: 1; }

.field input:disabled { background: var(--band); color: var(--ink-soft); }

.hint {
  font-size: 13px;
  color: var(--ink-soft);
  margin: 6px 0 0;
}

.warn {
  font-size: 13.5px;
  color: var(--ink);
  background: rgba(255, 210, 63, 0.35);
  border: 1px solid rgba(14, 28, 46, 0.18);
  border-radius: 7px;
  padding: 8px 10px;
  margin: 8px 0 0;
}

.pass-wrap { position: relative; }

.pass-wrap input { padding-right: 106px; }

.btn-mini-toggle {
  position: absolute;
  right: 6px;
  top: 50%;
  transform: translateY(-50%);
  border: 1.5px solid var(--rule);
  background: var(--band);
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 12.5px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 6px;
  cursor: pointer;
}

.field-check {
  display: flex;
  align-items: center;
  gap: 8px;
}

.field-check label {
  margin: 0;
  font-weight: 400;
  font-size: 15px;
}

.field-check input[type="checkbox"] {
  width: 17px;
  height: 17px;
  accent-color: var(--blue);
}

/* ---------- Kustom ---------- */

.customize {
  border-top: 1.5px solid var(--rule);
  margin-top: 20px;
  padding-top: 16px;
}

.customize h2,
.history-head h2 {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin: 0 0 12px;
  padding-bottom: 2px;
  border-bottom: 4px solid var(--signal);
}

.color-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.color-row input[type="color"] {
  width: 40px;
  height: 32px;
  padding: 2px;
  border: 1.5px solid var(--rule-strong);
  border-radius: 7px;
  background: var(--card);
  cursor: pointer;
}

.chip {
  width: 26px;
  height: 26px;
  border-radius: 6px;
  border: 1.5px solid var(--rule-strong);
  background: var(--chip);
  cursor: pointer;
  padding: 0;
  touch-action: manipulation;
  transition: transform 0.12s;
}

.chip:active { transform: scale(0.88); }

.chip.is-on { transform: scale(1.12); }

.chip.is-on {
  outline: 2.5px solid var(--blue);
  outline-offset: 1.5px;
}

.hint.is-error {
  color: var(--danger);
}

.hint.is-busy {
  color: var(--blue-deep);
}

.logo-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

/* Input file asli disembunyikan; tombolnya pakai <label> biar bisa di-style */
.file-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  border: 0;
}

.btn-file {
  border-style: dashed;
  border-color: var(--blue);
  color: var(--blue-deep);
  background: rgba(26, 86, 176, 0.07);
  min-width: 128px;
  text-align: center;
}

.btn-file:hover {
  border-style: solid;
  background: rgba(26, 86, 176, 0.14);
  transform: translateY(-1px);
}

.file-hidden:focus-visible + .btn-file {
  outline: 2.5px solid var(--blue);
  outline-offset: 2px;
}

.file-name {
  font-size: 13.5px;
  color: var(--ink-soft);
  max-width: 200px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Area drop: kasih umpan balik saat file ditarik ke sini */
.logo-row.is-drag {
  outline: 2px dashed var(--blue);
  outline-offset: 6px;
  border-radius: 8px;
}

.shape-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 10px;
}

.shape-label {
  font-size: 13.5px;
  color: var(--ink-soft);
  margin-right: 2px;
}

.shape-row .btn-mini { min-width: 84px; }

.shape-row .btn-mini.is-on {
  background: var(--blue);
  border-color: var(--blue);
  color: #ffffff;
}

.logo-row input[type="file"] {
  font-family: var(--font-body);
  font-size: 13.5px;
  color: var(--ink-soft);
  max-width: 280px;
}

/* ---------- Preview ---------- */

.panel-preview {
  position: sticky;
  top: 20px;
}

.preview-card {
  position: relative;
  background: var(--card);
  border: 1.5px solid var(--rule);
  border-radius: var(--r-card);
  box-shadow: var(--shadow-card);
  padding: 26px 20px 20px;
  overflow: hidden;
}

.preview-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: var(--blue);
  border-radius: 8px 8px 0 0;
  transform-origin: left center;
}

.qr-stage {
  position: relative;
  width: min(100%, 320px);
  aspect-ratio: 1 / 1;
  margin: 0 auto;
  display: grid;
  place-items: center;
}

/* Scanline: isarat visual "QR ini bisa di-scan", cuma muncul saat QR tampil.
   Dipindah pakai transform (bukan top) biar jalan di compositor, bukan repaint */
.scanline {
  position: absolute;
  inset: 0;
  opacity: 0;
  pointer-events: none;
  display: none;
}

.scanline::before {
  content: "";
  position: absolute;
  left: 8%;
  right: 8%;
  top: 50%;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, transparent, var(--blue), transparent);
}

.qr-stage.has-qr .scanline {
  display: block;
  animation: scan 3.8s ease-in-out 1.4s infinite;
  will-change: transform, opacity;
}

.qr-empty p {
  margin: 0;
  text-align: center;
  color: var(--ink-soft);
  font-size: 15px;
}

.qr-target { width: 100%; }

.qr-target canvas {
  width: 100% !important;
  height: auto !important;
  display: block;
  border: 1.5px solid var(--rule);
  border-radius: 8px;
}

/* Promote ke compositor layer biar animasi QR + kartu ber-shadow mulus di Android */
.qr-target,
.preview-card {
  backface-visibility: hidden;
}

.preview-card,
.hist-item {
  contain: content;
}

.qr-target.pop { animation: qrPop 0.25s ease; }

@keyframes qrPop {
  from { opacity: 0; transform: scale(0.96); }
  to { opacity: 1; transform: scale(1); }
}

.scan-hint {
  text-align: center;
  font-size: 13px;
  color: var(--ink-soft);
  margin: 10px 0 0;
}

.actions {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-top: 16px;
}

.btn {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  padding: 11px 12px;
  border-radius: var(--r-btn);
  border: 1.5px solid var(--rule-strong);
  background: var(--card);
  color: var(--ink);
  cursor: pointer;
  touch-action: manipulation;
  transition: transform 0.12s, background 0.15s, border-color 0.15s;
}

.btn:hover { border-color: var(--ink); transform: translateY(-1px); }

.btn:active { transform: translateY(1px) scale(0.98); }

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
}

.btn-primary {
  grid-column: 1 / -1;
  background: var(--blue);
  border-color: var(--blue);
  color: #ffffff;
}

.btn-primary:hover { background: var(--blue-deep); border-color: var(--blue-deep); }

.btn-mini {
  font-size: 12.5px;
  font-weight: 600;
  padding: 5px 12px;
}

.btn-danger {
  color: var(--danger);
  background: var(--danger-soft);
  border-color: transparent;
}

.btn-danger:hover { border-color: var(--danger); }

/* Hasil hosting gambar */
.host-result {
  margin-top: 14px;
  border-top: 1.5px solid var(--rule);
  padding-top: 12px;
}

.host-row {
  display: flex;
  gap: 8px;
  align-items: center;
}

.host-row input {
  flex: 1;
  min-width: 0;
  padding: 9px 10px;
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--ink);
  background: var(--band);
  border: 1.5px solid var(--rule);
  border-radius: var(--r-input);
}

.host-row .btn { flex: none; }

/* ---------- Riwayat ---------- */

.history {
  max-width: 1080px;
  margin: 0 auto;
  padding: 8px 24px 40px;
}

.history-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.confirm-clear {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 14.5px;
  background: rgba(255, 210, 63, 0.35);
  border: 1px solid rgba(14, 28, 46, 0.18);
  border-radius: 8px;
  padding: 10px 14px;
  margin: 12px 0;
}

.hist-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 12px;
  margin: 14px 0 10px;
}

.hist-item {
  background: var(--band);
  border: 1.5px solid var(--rule);
  border-radius: var(--r-card);
  padding: 10px;
  animation: rise 0.4s cubic-bezier(0.16, 1, 0.3, 1) both;
  animation-delay: calc(var(--i, 0) * 45ms);
}

.hist-item img {
  display: block;
  width: 96px;
  height: 96px;
  border-radius: 6px;
  border: 1.5px solid var(--rule);
  background: var(--card);
  margin: 0 auto 8px;
}

.hist-label {
  margin: 0;
  font-size: 13.5px;
  font-weight: 700;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.hist-date {
  margin: 2px 0 8px;
  font-size: 12.5px;
  color: var(--ink-soft);
}

.hist-actions {
  display: flex;
  gap: 6px;
}

.hist-actions .btn { flex: 1; padding: 5px 4px; font-size: 12px; }

.empty {
  color: var(--ink-soft);
  font-size: 14.5px;
  margin: 10px 0;
}

/* ---------- Footer & toast ---------- */

.foot {
  border-top: 1.5px solid var(--rule);
  background: var(--band);
  text-align: center;
  padding: 20px 24px 28px;
}

.foot p {
  margin: 0;
  font-size: 13.5px;
  color: var(--ink-soft);
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  transform: translateX(-50%) translateY(8px);
  background: var(--ink);
  color: #ffffff;
  font-family: var(--font-body);
  font-size: 14px;
  padding: 10px 18px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s, transform 0.25s;
  z-index: 60;
  max-width: min(90vw, 420px);
  text-align: center;
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

:focus-visible {
  outline: 2.5px solid var(--blue);
  outline-offset: 2px;
}

/* ---------- Mobile ---------- */

@media (max-width: 899px) {
  .layout { grid-template-columns: 1fr; padding: 16px 16px 0; }
  .topbar { margin-top: 14px; padding: 0 16px; }
  .panel-preview { position: static; }
  body { padding-bottom: 32px; }
  .toast { bottom: 24px; }
  .history { padding: 8px 16px 32px; }
  /* Tab 5 mode: font dikecilin biar tetap satu baris */
  .tab { font-size: 12.5px; padding: 8px 2px; }
  .file-name { max-width: 150px; }
  .btn { min-height: 44px; }
  /* Bayangan lebih tipis di HP = paint lebih murah */
  .preview-card, .brand, .hist-item { box-shadow: 0 6px 16px rgba(14, 28, 46, 0.08); }
  /* Tombol aksi tetap di dalam kartu, tepat di bawah QR */
  .actions { grid-template-columns: repeat(2, 1fr); margin-top: 14px; }
}

/* Hemat baterai/performa HP: matikan semua animasi kalau user minta */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }
  .scanline { display: none !important; }
}