* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #0f172a;
  color: #e2e8f0;
  min-height: 100vh;
}

#app { max-width: 1100px; margin: 0 auto; padding: 2rem; }

h1 { margin-bottom: 1.5rem; font-size: 1.75rem; }
h2 {
  margin: 1.5rem 0 1rem;
  font-size: 1.05rem;
  color: #cbd5e1;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.count {
  background: #1e293b;
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
  font-size: 0.7rem;
  color: #94a3b8;
}

/* ---------- login ---------- */
#login-view {
  max-width: 420px;
  margin: 4rem auto;
  padding: 2rem;
  background: #1e293b;
  border-radius: 12px;
}
form { display: flex; flex-direction: column; gap: 1rem; }

input, button {
  padding: 0.75rem 1rem;
  border-radius: 8px;
  border: 1px solid #334155;
  background: #0f172a;
  color: #e2e8f0;
  font-size: 1rem;
  font-family: inherit;
}

button {
  background: #3b82f6;
  border: none;
  cursor: pointer;
  font-weight: 600;
}
button:hover:not(:disabled) { background: #2563eb; }
button:disabled { background: #475569; cursor: not-allowed; opacity: 0.6; }

button.ghost {
  background: transparent;
  border: 1px solid #334155;
  font-size: 0.8rem;
  font-weight: 400;
  padding: 0.4rem 0.85rem;
  color: #94a3b8;
}
button.ghost:hover:not(:disabled) { background: #1e293b; color: #e2e8f0; }

.hint { color: #64748b; margin-top: 1rem; font-size: 0.85rem; line-height: 1.6; }
.hint strong { color: #cbd5e1; }
.error   { color: #ef4444; margin-top: 0.75rem; }
.success { color: #22c55e; }

/* ---------- header ---------- */
#main-view header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid #1e293b;
}
.user-info { display: flex; align-items: center; gap: 0.75rem; }
.user-info > span:first-child { color: #94a3b8; font-size: 0.9rem; }

.badge {
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.badge.admin  { background: #1e40af; color: #dbeafe; }
.badge.viewer { background: #334155; color: #cbd5e1; }

/* ---------- drop zone ---------- */
#upload-section {
  background: #1e293b;
  padding: 1.25rem;
  border-radius: 12px;
  margin-bottom: 2rem;
}

.drop-zone {
  display: block;
  width: 100%;
  padding: 2rem 1rem;
  border: 2px dashed #334155;
  background: rgba(15, 23, 42, 0.5);
  border-radius: 10px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease, transform 0.05s ease;
  font-family: inherit;
}
.drop-zone:hover,
.drop-zone:focus-visible {
  border-color: #475569;
  background: rgba(15, 23, 42, 0.8);
  outline: none;
}
.drop-zone.is-dragover {
  border-color: #3b82f6;
  background: rgba(59, 130, 246, 0.08);
  border-style: solid;
}
.drop-zone:active { transform: scale(0.998); }
.drop-zone[disabled],
.drop-zone.is-disabled {
  cursor: not-allowed;
  opacity: 0.5;
  border-style: solid;
  pointer-events: none;
}

.banner-warn {
  margin-top: 0.85rem;
  padding: 0.6rem 0.85rem;
  border-radius: 8px;
  background: rgba(245, 158, 11, 0.12);
  border: 1px solid rgba(245, 158, 11, 0.4);
  color: #fde68a;
  font-size: 0.85rem;
}
.banner-warn strong { color: #fef3c7; }

.drop-zone-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  color: #94a3b8;
}
.drop-icon { color: #64748b; }
.drop-zone.is-dragover .drop-icon { color: #3b82f6; }
.drop-title { font-size: 1rem; font-weight: 600; color: #e2e8f0; }
.drop-sub   { font-size: 0.8rem; color: #64748b; }

/* ---------- chips ---------- */
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.85rem;
}
.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: #0f172a;
  border: 1px solid #334155;
  border-radius: 999px;
  padding: 0.3rem 0.4rem 0.3rem 0.75rem;
  font-size: 0.8rem;
  max-width: 100%;
}
.chip-name {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 220px;
}
.chip-size { color: #64748b; font-size: 0.7rem; }
.chip-x {
  background: transparent;
  border: none;
  color: #64748b;
  cursor: pointer;
  font-size: 1rem;
  padding: 0 0.35rem;
  line-height: 1;
  border-radius: 50%;
}
.chip-x:hover { background: #b91c1c; color: #ffffff; }

.upload-actions {
  display: flex;
  gap: 0.5rem;
  margin-top: 1rem;
  align-items: center;
}
#upload-status {
  margin-top: 0.75rem;
  font-size: 0.85rem;
  min-height: 1.25rem;
}

/* ---------- asset list ---------- */
.asset-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.asset-row {
  display: grid;
  grid-template-columns: 60px 1fr auto auto;
  align-items: center;
  gap: 0.85rem;
  background: #1e293b;
  border: 1px solid transparent;
  border-radius: 10px;
  padding: 0.6rem 0.85rem 0.6rem 0.6rem;
  transition: background 0.12s ease, border-color 0.12s ease;
}
.asset-row:hover {
  background: #232f48;
  border-color: #334155;
}

.asset-main {
  display: contents;
}
.asset-click {
  display: grid;
  grid-template-columns: 60px 1fr;
  grid-column: 1 / 3;
  align-items: center;
  gap: 0.85rem;
  background: transparent;
  border: none;
  padding: 0;
  cursor: pointer;
  text-align: left;
  width: 100%;
  font-family: inherit;
  color: inherit;
  transition: transform 0.05s ease;
}
.asset-click:active { transform: scale(0.998); }
.asset-click:focus-visible { outline: 2px solid #3b82f6; outline-offset: 2px; border-radius: 6px; }

.asset-thumb {
  width: 60px;
  height: 60px;
  border-radius: 6px;
  background: #0f172a;
  object-fit: cover;
  display: block;
}
.asset-thumb.file-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  background: #0f172a;
  border: 1px solid #334155;
  color: #94a3b8;
  font-size: 0.7rem;
  font-weight: 700;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  text-transform: uppercase;
  gap: 0.15rem;
  padding: 0.25rem;
  text-align: center;
  word-break: break-all;
  line-height: 1.1;
}
.asset-thumb.file-icon svg { color: #475569; }

.asset-meta { min-width: 0; }
.asset-name {
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.asset-sub {
  font-size: 0.78rem;
  color: #94a3b8;
  margin-top: 0.15rem;
}
.asset-chevron {
  color: #94a3b8;
  font-size: 1.2rem;
  padding: 0 0.25rem;
}

.row-delete {
  background: transparent;
  border: 1px solid #334155;
  color: #f87171;
  padding: 0.4rem 0.55rem;
  border-radius: 8px;
  font-size: 0.85rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.3rem;
}
.row-delete:hover:not(:disabled) {
  background: #b91c1c;
  border-color: #b91c1c;
  color: #ffffff;
}
.row-delete svg { width: 14px; height: 14px; }

.empty {
  color: #94a3b8;
  text-align: center;
  padding: 2rem;
  background: #1e293b;
  border-radius: 10px;
}

/* ---------- pagination ---------- */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  margin-top: 1.5rem;
}
.pagination span { color: #94a3b8; font-size: 0.85rem; min-width: 5rem; text-align: center; }

/* ---------- modal ---------- */
.modal {
  border: none;
  background: transparent;
  padding: 0;
  margin: auto;
  max-width: 90vw;
  max-height: 90vh;
  color: #e2e8f0;
}
.modal::backdrop {
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(4px);
}
.modal[open] {
  display: grid;
  grid-template-columns: minmax(320px, 1fr) 320px;
  background: #1e293b;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 25px 50px rgba(0,0,0,0.5);
  width: min(900px, 90vw);
}

.modal-preview {
  position: relative;
  background: #0f172a;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 320px;
}

.no-preview {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  color: #94a3b8;
  text-align: center;
  padding: 2rem;
}
.no-preview svg { color: #475569; }
.ext-pill {
  background: #1e293b;
  border: 1px solid #334155;
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #cbd5e1;
}

.modal-close {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  z-index: 2;
  background: rgba(15, 23, 42, 0.7);
  border: none;
  color: #e2e8f0;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1.4rem;
  line-height: 1;
  padding: 0;
}
.modal-close:hover { background: #334155; }

#detail-img {
  width: 100%;
  max-height: 80vh;
  object-fit: contain;
  background: #0f172a;
}

.modal-info {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  overflow-y: auto;
}
.modal-name {
  font-size: 1.05rem;
  font-weight: 600;
  word-break: break-word;
}
.modal-info dl {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 0.5rem 1rem;
  font-size: 0.85rem;
}
.modal-info dt { color: #94a3b8; }
.modal-info dd { color: #e2e8f0; word-break: break-all; }

.modal-actions {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.ghost-link {
  display: inline-block;
  padding: 0.5rem 0.85rem;
  border: 1px solid #334155;
  border-radius: 8px;
  color: #94a3b8;
  text-decoration: none;
  font-size: 0.8rem;
  text-align: center;
}
.ghost-link:hover { background: #0f172a; color: #e2e8f0; }

button.danger {
  background: #b91c1c;
  font-size: 0.85rem;
  padding: 0.55rem 0.85rem;
}
button.danger:hover:not(:disabled) { background: #991b1b; }

@media (max-width: 700px) {
  .modal[open] { grid-template-columns: 1fr; }
  #detail-img { max-height: 50vh; }
}