:root {
  --bg-1: #f7efe1;
  --bg-2: #ffe3c2;
  --bg-3: #f6b167;
  --ink: #1f2a32;
  --accent: #d63324;
  --accent-2: #0f9f9b;
  --card: #fffdf8;
  --line: #e6d5bf;
  --ok: #1e7f4f;
  --warn: #b04a00;
  --error: #a31515;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  font-family: "Trebuchet MS", "Segoe UI", Arial, sans-serif;
  color: var(--ink);
  background: radial-gradient(circle at 15% 10%, var(--bg-2), transparent 40%),
    radial-gradient(circle at 80% 20%, #ffd3a2, transparent 35%),
    linear-gradient(160deg, var(--bg-1), var(--bg-3));
}

.page {
  width: min(1080px, 94vw);
  margin: 0 auto;
  padding: 1.25rem 0 2.5rem;
}

.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.brand {
  font-size: clamp(1.35rem, 2.5vw, 2rem);
  font-weight: 800;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--accent);
}

.badge {
  background: #ffffffcc;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.35rem 0.8rem;
  font-size: 0.85rem;
  font-weight: 700;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: 0 6px 24px #4d2c0f1c;
  padding: 1rem;
}

.intro {
  margin-bottom: 1rem;
}

.intro h1 {
  margin: 0 0 0.35rem;
  font-size: clamp(1.45rem, 3.4vw, 2.2rem);
}

.intro p {
  margin: 0;
  line-height: 1.45;
}

.upload-actions {
  display: grid;
  gap: 0.75rem;
}

.file-input {
  display: block;
  width: 100%;
  padding: 0.65rem;
  border: 1px dashed var(--accent-2);
  border-radius: 10px;
  background: #ffffff;
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

button,
.button-link {
  border: 0;
  border-radius: 10px;
  padding: 0.68rem 0.95rem;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, #e24422, #cc1e16);
}

.btn-secondary {
  color: #fff;
  background: linear-gradient(135deg, #138f8c, #0c7a77);
}

.filter-btn.is-active {
  outline: 3px solid #ffffffc9;
  box-shadow: 0 0 0 2px #0c7a77;
}

.btn-danger {
  color: #fff;
  background: linear-gradient(135deg, #bf2b2b, #9f1818);
}

button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.note {
  font-size: 0.9rem;
  opacity: 0.85;
}

.status {
  margin-top: 0.8rem;
  padding: 0.75rem;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #fff;
}

.status.ok {
  border-color: #cbe9d7;
  color: var(--ok);
  background: #f4fff8;
}

.status.warn {
  border-color: #f5dabd;
  color: var(--warn);
  background: #fff8ef;
}

.status.error {
  border-color: #f2c1c1;
  color: var(--error);
  background: #fff5f5;
}

.list {
  margin: 0;
  padding-left: 1.1rem;
}

.meta-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.75rem;
}

.meta-box {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.65rem;
}

.photo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
  gap: 0.75rem;
}

.photo-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  min-height: 230px;
}

.photo-card.selected {
  outline: 3px solid var(--accent-2);
}

.photo-card img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  background: #f4f4f4;
}

.photo-body {
  padding: 0.5rem;
  display: grid;
  gap: 0.45rem;
}

.photo-name {
  font-weight: 700;
  font-size: 0.88rem;
  word-break: break-word;
}

.photo-meta {
  font-size: 0.78rem;
  opacity: 0.82;
}

.wall-root {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(circle at 20% 20%, #2b1100 0%, #1d0f04 40%, #0b0909 100%);
  color: #f2ece1;
  display: grid;
  place-items: center;
  overflow: hidden;
}

.wall-frame {
  width: 100vw;
  height: 100vh;
  position: relative;
}

.wall-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  opacity: 0;
  transition: opacity 0.75s ease;
}

.wall-image.active {
  opacity: 1;
}

.wall-empty {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 1rem;
}

.wall-empty h1 {
  margin: 0;
  font-size: clamp(1.4rem, 4vw, 2.6rem);
}

.wall-empty p {
  margin: 0.6rem 0 0;
  opacity: 0.85;
}

.wall-stamp {
  position: absolute;
  right: 0.8rem;
  bottom: 0.65rem;
  background: #0000005c;
  padding: 0.3rem 0.55rem;
  border-radius: 8px;
  font-size: 0.74rem;
}

@media (max-width: 720px) {
  .page {
    width: min(1080px, 96vw);
  }

  .header {
    align-items: flex-start;
    flex-direction: column;
  }
}

.auth-overlay {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 1rem;
  background: #00000066;
  z-index: 50;
}

.auth-overlay[hidden] {
  display: none;
}

.auth-card {
  width: min(520px, 92vw);
}

.auth-input {
  width: 100%;
  padding: 0.7rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  font-size: 1rem;
}