/* ─── WinterStore — Premium black & white ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #fafafa;
  --surface: #ffffff;
  --ink: #0a0a0a;
  --ink-2: #333333;
  --ink-3: #6b6b6b;
  --ink-4: #9a9a9a;
  --line: #e8e8e8;
  --line-2: #d4d4d4;
  --radius-sm: 12px;
  --radius-md: 16px;
  --radius-lg: 22px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.06);
  --shadow-md: 0 4px 20px rgba(0,0,0,.08);
  --shadow-lg: 0 12px 44px rgba(0,0,0,.13);
  --font: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --tr: .18s cubic-bezier(.4,0,.2,1);
}

html { font-size: 16px; scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font);
  color: var(--ink);
  min-height: 100vh;
  direction: ltr;
  line-height: 1.6;
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

/* subtle dot texture */
body::before {
  content: "";
  position: fixed; inset: 0;
  background-image: radial-gradient(circle, rgba(0,0,0,.045) 1px, transparent 1px);
  background-size: 22px 22px;
  pointer-events: none;
  z-index: 0;
}

/* ─── Topbar ─── */
.topbar {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.topbar-inner {
  max-width: 860px; margin: 0 auto;
  padding: 13px 20px;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  position: relative; z-index: 1;
}
.brand { display: flex; align-items: center; gap: 10px; min-width: 0; }
.brand-icon {
  width: 36px; height: 36px;
  border-radius: 10px;
  object-fit: cover; display: block; flex-shrink: 0;
  border: 1px solid var(--line-2);
  box-shadow: 0 2px 10px rgba(0,0,0,.14);
}
.brand-name {
  font-size: 17px; font-weight: 800; letter-spacing: -.4px; color: var(--ink);
  white-space: nowrap;
}
.topbar-badge {
  font-size: 10.5px; font-weight: 700; letter-spacing: .8px; text-transform: uppercase;
  color: var(--ink-3);
  border: 1px solid var(--line-2);
  padding: 4px 11px; border-radius: 100px;
  background: #fff;
  white-space: nowrap;
}

/* ─── Main ─── */
.main {
  max-width: 860px; margin: 0 auto;
  padding: 26px 16px 52px;
  display: flex; flex-direction: column; gap: 22px;
  position: relative; z-index: 1;
}

/* ─── Hero ─── */
.hero { text-align: center; padding: 28px 12px 6px; }
.hero-title {
  font-size: clamp(26px, 6.5vw, 40px);
  font-weight: 900; line-height: 1.22; letter-spacing: -1px;
  color: var(--ink); margin-bottom: 8px;
}
.hero-sub { font-size: 15px; color: var(--ink-3); max-width: 400px; margin: 0 auto; }

/* ─── Card ─── */
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 26px 20px;
  box-shadow: var(--shadow-md);
  animation: rise .45s ease both;
}
.card-header { display: flex; align-items: center; gap: 14px; margin-bottom: 22px; }
.card-icon {
  font-size: 24px; font-weight: 800; line-height: 1;
  width: 46px; height: 46px; border-radius: 13px;
  display: grid; place-items: center; flex-shrink: 0;
  background: var(--ink); color: #fff;
  box-shadow: 0 4px 14px rgba(0,0,0,.22);
  transition: transform var(--tr);
}
.card:hover .card-icon { transform: scale(1.05) rotate(-4deg); }
.card-title { font-size: 19px; font-weight: 800; letter-spacing: -.3px; }
.card-desc { font-size: 13px; color: var(--ink-4); margin-top: 2px; }

/* ─── Alert ─── */
.alert {
  display: flex; align-items: center; gap: 10px;
  padding: 13px 16px; border-radius: var(--radius-sm);
  font-size: 14px; font-weight: 600; margin-bottom: 20px;
  animation: fadeIn .25s ease;
}
.alert.success { background: #f0fdf4; border: 1px solid #bbf7d0; color: #166534; }
.alert.error   { background: #fff1f2; border: 1px solid #fecdd3; color: #9f1239; }

/* ─── Dropzone ─── */
.dropzone {
  position: relative;
  border: 2px dashed var(--line-2);
  border-radius: var(--radius-md);
  background: #fff;
  min-height: 148px; cursor: pointer;
  transition: border-color var(--tr), background var(--tr), transform var(--tr);
  margin-bottom: 20px;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}
.dropzone:hover, .dropzone.drag-over {
  border-color: var(--ink);
  background: #fafafa;
  transform: scale(1.004);
}
.dz-content { text-align: center; padding: 26px 16px; pointer-events: none; }
.dz-text { font-size: 15px; font-weight: 600; color: var(--ink-2); margin-bottom: 5px; }
.dz-hint { font-size: 12px; color: var(--ink-4); letter-spacing: .2px; }
.dz-preview { width: 100%; height: 200px; position: relative; display: flex; align-items: center; justify-content: center; }
.dz-preview img {
  max-width: 100%; max-height: 190px;
  border-radius: var(--radius-sm); object-fit: contain;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-md);
}
.dz-remove {
  position: absolute; top: 8px; left: 8px;
  width: 30px; height: 30px; border-radius: 50%;
  background: var(--ink); color: #fff; border: none; cursor: pointer;
  font-size: 14px; display: grid; place-items: center;
  transition: transform var(--tr), background var(--tr);
}
.dz-remove:hover { transform: scale(1.08); background: #000; }
.hidden { display: none !important; }

/* ─── Form ─── */
.form-group { margin-bottom: 16px; }
.form-label {
  display: block; font-size: 11.5px; font-weight: 700;
  letter-spacing: .6px; text-transform: uppercase;
  color: var(--ink-4); margin-bottom: 7px;
}
.optional { font-weight: 500; letter-spacing: 0; text-transform: none; opacity: .7; margin-left: 6px; font-size: 10.5px; }
.form-input, .form-textarea {
  width: 100%; padding: 13px 15px;
  font-family: var(--font); font-size: 15px;
  color: var(--ink);
  background: #fff;
  border: 1.5px solid var(--line-2);
  border-radius: var(--radius-sm);
  outline: none;
  transition: border-color var(--tr), box-shadow var(--tr);
}
.form-input::placeholder, .form-textarea::placeholder { color: var(--ink-4); }
.form-select {
  appearance: none; -webkit-appearance: none;
  padding-right: 40px;
  cursor: pointer;
  background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%230a0a0a' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 15px center;
}
.form-select:disabled { opacity: .55; cursor: not-allowed; }

/* ─── Order builder ─── */
.item-list { display: grid; gap: 8px; margin-bottom: 12px; }
.item-card {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 12px 14px;
  background: #fff; border: 1.5px solid var(--line-2);
  border-radius: var(--radius-sm);
}
.item-info { display: flex; align-items: center; gap: 10px; min-width: 0; }
.item-name {
  font-size: 14px; font-weight: 600; color: var(--ink);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.item-qty {
  flex: none; font-size: 12px; font-weight: 700; color: var(--ink);
  background: var(--bg-2, #f2f2f2); padding: 3px 9px; border-radius: 999px;
}
.item-remove {
  flex: none; width: 26px; height: 26px; border: none; border-radius: 50%;
  background: var(--bg-2, #f2f2f2); color: var(--ink);
  font-size: 12px; cursor: pointer; display: grid; place-items: center;
  transition: background var(--tr), color var(--tr);
}
.item-remove:hover { background: #000; color: #fff; }
.item-empty {
  font-size: 13px; color: var(--ink-4); margin: 0 0 12px;
}
.item-builder {
  display: grid; gap: 10px;
  padding: 14px; border: 1.5px dashed var(--line-2); border-radius: var(--radius-sm);
  background: rgba(0,0,0,.012);
}
.item-row { display: block; }
.qty-row { display: flex; align-items: center; justify-content: space-between; }
.qty-label { font-size: 12px; font-weight: 600; color: var(--ink-4); letter-spacing: .3px; }
.qty-control {
  display: flex; align-items: center; gap: 4px;
  border: 1.5px solid var(--line-2); border-radius: var(--radius-sm);
  background: #fff; overflow: hidden;
}
.qty-btn {
  width: 36px; height: 38px; border: none; background: transparent;
  font-size: 17px; font-weight: 600; color: var(--ink); cursor: pointer;
  transition: background var(--tr);
}
.qty-btn:hover { background: var(--bg-2, #f2f2f2); }
.qty-input {
  width: 46px; height: 38px; border: none; outline: none;
  text-align: center; font-family: var(--font); font-size: 15px; font-weight: 700;
  color: var(--ink); background: transparent;
  -moz-appearance: textfield;
}
.qty-input::-webkit-outer-spin-button,
.qty-input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.btn-add {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  width: 100%; padding: 12px 18px;
  background: transparent; color: var(--ink);
  font-family: var(--font); font-size: 14px; font-weight: 700;
  border: 1.5px solid var(--ink); border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--tr), color var(--tr);
}
.btn-add:hover { background: var(--ink); color: #fff; }
.form-input:focus, .form-textarea:focus {
  border-color: var(--ink);
  box-shadow: 0 0 0 3px rgba(10,10,10,.09);
}
.form-textarea { resize: vertical; min-height: 88px; }

/* ─── Submit — black pill, shine on hover ─── */
.btn-submit {
  position: relative;
  width: 100%;
  padding: 15px 22px;
  background: var(--ink);
  color: #fff;
  font-family: var(--font); font-size: 15.5px; font-weight: 700;
  letter-spacing: -.1px;
  border: none; border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center; gap: 10px;
  overflow: hidden;
  transition: transform var(--tr), box-shadow var(--tr), background var(--tr);
  box-shadow: 0 6px 20px rgba(0,0,0,.24);
}
/* shine sweep */
.btn-submit::after {
  content: "";
  position: absolute; top: 0; left: -80%;
  width: 50%; height: 100%;
  background: linear-gradient(105deg, transparent, rgba(255,255,255,.32), transparent);
  transform: skewX(-20deg);
  transition: left .55s ease;
}
.btn-submit:hover {
  background: #000;
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(0,0,0,.32);
}
.btn-submit:hover::after { left: 130%; }
.btn-submit:active { transform: translateY(0); }
.btn-submit:disabled { opacity: .5; cursor: not-allowed; transform: none; }
.btn-icon { font-size: 17px; transition: transform var(--tr); }
.btn-submit:hover .btn-icon { transform: translateX(4px); }

/* ─── Info grid ─── */
.info-grid { display: grid; grid-template-columns: 1fr; gap: 12px; }
.info-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 18px 16px; text-align: center;
  transition: transform var(--tr), box-shadow var(--tr), border-color var(--tr);
}
.info-card:hover {
  transform: translateY(-3px);
  border-color: var(--ink);
  box-shadow: var(--shadow-md);
}
.info-card h3 { font-size: 15px; font-weight: 800; letter-spacing: -.2px; margin-bottom: 4px; }
.info-card p { font-size: 12.5px; color: var(--ink-4); }

/* ─── Footer ─── */
.footer {
  text-align: center;
  padding: 22px 16px calc(22px + env(safe-area-inset-bottom, 0px));
  border-top: 1px solid var(--line);
  font-size: 12px; color: var(--ink-4);
  background: rgba(255,255,255,.85);
  position: relative; z-index: 1;
}

/* ─── Animations ─── */
@keyframes rise { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.btn-submit.loading .btn-text::after { content: '...'; animation: dots 1s steps(3, end) infinite; }
@keyframes dots { 0%, 33% { content: '.'; } 66% { content: '..'; } 100% { content: '...'; } }

/* ─── Responsive ─── */
@media (min-width: 640px) {
  .main { padding: 38px 24px 60px; gap: 26px; }
  .card { padding: 32px; }
  .info-grid { grid-template-columns: repeat(3, 1fr); }
  .topbar-inner { padding: 14px 24px; }
}
@media (max-width: 380px) {
  .brand-name { font-size: 15px; }
  .topbar-badge { display: none; }
  .card { padding: 20px 14px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}