* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  background: #0a0a0d;
  background-image:
    radial-gradient(ellipse 900px 500px at 15% -10%, rgba(124, 156, 255, 0.16), transparent 60%),
    radial-gradient(ellipse 800px 500px at 110% 10%, rgba(255, 124, 214, 0.10), transparent 60%);
  background-attachment: fixed;
  color: #f2f2f2;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

/* ---------- Gallery page ---------- */

.gallery-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 28px 32px 20px;
  gap: 16px;
  flex-wrap: wrap;
}

.gallery-header h1 {
  font-size: 1.6rem;
  margin: 0;
  font-weight: 700;
  letter-spacing: -0.02em;
  background: linear-gradient(120deg, #ffffff, #9fb3ff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.qr-box {
  background: rgba(255, 255, 255, 0.97);
  border-radius: 16px;
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  box-shadow:
    0 1px 1px rgba(0, 0, 0, 0.25),
    0 12px 28px -8px rgba(0, 0, 0, 0.55),
    0 0 0 1px rgba(255, 255, 255, 0.06);
}

.qr-box canvas, .qr-box img {
  display: block;
  border-radius: 6px;
}

.qr-box span {
  color: #111;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.masonry {
  columns: 2 220px;
  column-gap: 16px;
  padding: 8px 20px 48px;
}

@media (min-width: 700px) {
  .masonry { columns: 4 220px; column-gap: 20px; padding: 8px 28px 56px; }
}

@media (min-width: 1100px) {
  .masonry { columns: 5 220px; }
}

.masonry-item {
  break-inside: avoid;
  margin-bottom: 20px;
  border-radius: 10px;
  overflow: hidden;
  background: #14141a;
  padding: 6px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow:
    0 1px 2px rgba(0, 0, 0, 0.3),
    0 18px 32px -14px rgba(0, 0, 0, 0.65);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.masonry-item.is-new {
  animation: photo-arrive 0.7s ease both;
}

@keyframes photo-arrive {
  from { opacity: 0; transform: translateY(14px) scale(0.97); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

.masonry-item:hover {
  transform: translateY(-3px);
  box-shadow:
    0 1px 2px rgba(0, 0, 0, 0.3),
    0 26px 40px -14px rgba(0, 0, 0, 0.75);
}

.masonry-item img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 6px;
}

.empty-state {
  text-align: center;
  color: #8a8a94;
  padding: 80px 20px;
  font-size: 1rem;
}

/* ---------- Upload page ---------- */

.upload-wrap {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 24px;
  text-align: center;
}

.upload-wrap h1 {
  font-size: 1.6rem;
  margin-bottom: 8px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.upload-wrap p {
  color: #a3a3ad;
  margin-top: 0;
  margin-bottom: 28px;
}

.picker {
  width: 100%;
  max-width: 360px;
  border: 1px solid rgba(255, 255, 255, 0.10);
  background: rgba(255, 255, 255, 0.03);
  border-radius: 18px;
  padding: 36px 20px;
  cursor: pointer;
  transition: border-color 0.15s ease, transform 0.15s ease, box-shadow 0.15s ease;
  box-shadow: 0 20px 40px -18px rgba(0, 0, 0, 0.6);
}

.picker:active {
  border-color: #7c9cff;
  transform: scale(0.98);
}

.picker input {
  display: none;
}

.picker-icon {
  font-size: 2.4rem;
  margin-bottom: 8px;
}

.preview {
  max-width: 360px;
  width: 100%;
  margin-top: 20px;
  border-radius: 14px;
  overflow: hidden;
  display: none;
  padding: 6px;
  background: #14141a;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 18px 32px -14px rgba(0, 0, 0, 0.65);
}

.preview img {
  width: 100%;
  display: block;
  border-radius: 8px;
}

.status {
  margin-top: 18px;
  font-size: 0.95rem;
  min-height: 1.3em;
}

.status.ok { color: #6be27a; }
.status.err { color: #ff6b6b; }

.btn {
  margin-top: 20px;
  background: linear-gradient(135deg, #8fa9ff, #7c9cff);
  color: #0b0b0e;
  border: none;
  border-radius: 12px;
  padding: 13px 30px;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 12px 24px -8px rgba(124, 156, 255, 0.5);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.btn:active {
  transform: scale(0.97);
}

.btn:disabled {
  opacity: 0.4;
  box-shadow: none;
}