/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #0d0f14;
  --bg2: #13161e;
  --bg3: #1a1f2e;
  --card: #161b27;
  --card-hover: #1e2436;
  --border: #252d42;
  --accent: #4f8ef7;
  --accent2: #7c5ff7;
  --gold: #f0b429;
  --green: #3ecf8e;
  --orange: #f97316;
  --red: #ef4444;
  --text: #e2e8f0;
  --text2: #8892a4;
  --text3: #4a5568;
  --radius: 10px;
  --shadow: 0 4px 24px rgba(0,0,0,0.5);
}

html { font-size: 16px; scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Segoe UI', system-ui, sans-serif;
  min-height: 100vh;
}

/* ── Header ── */
header {
  background: linear-gradient(135deg, #0d0f14 0%, #131824 100%);
  border-bottom: 1px solid var(--border);
  padding: 0 2rem;
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
}
.header-inner {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.logo-symbol {
  font-size: 1.6rem;
  color: var(--accent);
  filter: drop-shadow(0 0 8px var(--accent));
}
.logo-text { color: var(--text); }
.logo-text span { color: var(--accent); }
.header-stats {
  display: flex;
  gap: 1.5rem;
  font-size: 0.85rem;
  color: var(--text2);
}
.stat-item strong { color: var(--text); margin-left: 4px; }

/* ── Main ── */
main { max-width: 1400px; margin: 0 auto; padding: 2rem; }

/* ── Controls ── */
.controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2.5rem;
}
.filter-tabs, .status-filters {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.tab, .status-btn {
  padding: 6px 16px;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: var(--bg2);
  color: var(--text2);
  cursor: pointer;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  transition: all 0.15s;
}
.tab:hover, .status-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.tab.active, .status-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

/* ── Grade Section ── */
.grade-section { margin-bottom: 3rem; }
.grade-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 1.2rem;
}
.grade-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 4px 14px;
  border-radius: 6px;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.grade-title {
  font-size: 1rem;
  color: var(--text2);
  font-weight: 500;
}
.grade-count {
  font-size: 0.8rem;
  color: var(--text3);
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2px 10px;
  margin-left: auto;
}

/* Grade badge colors */
.badge-PG  { background: linear-gradient(135deg, #f0b42933, #f0b42911); color: var(--gold); border: 1px solid #f0b42966; }
.badge-MG  { background: linear-gradient(135deg, #4f8ef733, #4f8ef711); color: var(--accent); border: 1px solid #4f8ef766; }
.badge-RG  { background: linear-gradient(135deg, #3ecf8e33, #3ecf8e11); color: var(--green); border: 1px solid #3ecf8e66; }
.badge-FM  { background: linear-gradient(135deg, #7c5ff733, #7c5ff711); color: var(--accent2); border: 1px solid #7c5ff766; }
.badge-HG  { background: linear-gradient(135deg, #f9731633, #f9731611); color: var(--orange); border: 1px solid #f9731666; }
.badge-EG  { background: linear-gradient(135deg, #8892a433, #8892a411); color: var(--text2); border: 1px solid var(--border); }
.badge-OTHER { background: linear-gradient(135deg, #ef444433, #ef444411); color: var(--red); border: 1px solid #ef444466; }

/* ── Model Grid ── */
.model-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
}

/* ── Model Card ── */
.model-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.15s, border-color 0.15s, box-shadow 0.15s;
  position: relative;
}
.model-card:hover {
  transform: translateY(-3px);
  border-color: var(--accent);
  box-shadow: 0 8px 32px rgba(79,142,247,0.15);
}
.card-thumb {
  width: 100%;
  aspect-ratio: 1;
  background: var(--bg3);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}
.card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
}
.card-thumb-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text3);
  font-size: 0.75rem;
}
.card-thumb-placeholder .icon { font-size: 2.5rem; opacity: 0.3; }
.card-body { padding: 10px 12px 12px; }
.card-name {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.4;
  margin-bottom: 4px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.card-series {
  font-size: 0.72rem;
  color: var(--text2);
  margin-bottom: 8px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.card-status {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.7rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 10px;
}
.status-backlog    { background: #1e2436; color: var(--text3); border: 1px solid var(--border); }
.status-in-progress { background: #1e2a1a; color: var(--green); border: 1px solid #3ecf8e44; }
.status-complete   { background: #1e2436; color: var(--accent); border: 1px solid #4f8ef744; }

.card-photo-count {
  position: absolute;
  top: 8px;
  right: 8px;
  background: rgba(0,0,0,0.75);
  color: var(--text2);
  font-size: 0.68rem;
  padding: 2px 7px;
  border-radius: 8px;
  backdrop-filter: blur(4px);
}

/* ── Modal ── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.8);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  backdrop-filter: blur(4px);
}
.modal-overlay.hidden { display: none; }
.modal {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 14px;
  width: 100%;
  max-width: 860px;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  box-shadow: var(--shadow);
}
.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: var(--bg3);
  border: 1px solid var(--border);
  color: var(--text2);
  border-radius: 50%;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 0.85rem;
  z-index: 10;
  transition: all 0.15s;
}
.modal-close:hover { color: var(--text); border-color: var(--accent); }

/* Modal layout */
.modal-content { padding: 2rem; }
.modal-top {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}
@media (max-width: 600px) {
  .modal-top { grid-template-columns: 1fr; }
}
.modal-thumb-area {}
.modal-thumb {
  width: 100%;
  aspect-ratio: 1;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 10px;
}
.modal-thumb img { width: 100%; height: 100%; object-fit: cover; object-position: top center; }
.modal-thumb-placeholder { color: var(--text3); text-align: center; }
.modal-thumb-placeholder .icon { font-size: 3rem; opacity: 0.3; display: block; margin-bottom: 4px; }
.upload-btn {
  display: block;
  width: 100%;
  padding: 8px;
  background: var(--bg3);
  border: 1px dashed var(--border);
  border-radius: 8px;
  color: var(--text2);
  font-size: 0.78rem;
  cursor: pointer;
  text-align: center;
  transition: all 0.15s;
}
.upload-btn:hover { border-color: var(--accent); color: var(--accent); }
.upload-btn input[type="file"] { display: none; }

.modal-info {}
.modal-grade-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}
.modal-name {
  font-size: 1.4rem;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 6px;
}
.modal-series {
  font-size: 0.88rem;
  color: var(--text2);
  margin-bottom: 16px;
}
.modal-model-number {
  font-size: 0.78rem;
  color: var(--text3);
  font-family: monospace;
  margin-bottom: 16px;
}

.field-group { margin-bottom: 14px; }
.field-label {
  display: block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text3);
  margin-bottom: 6px;
}
.status-select, .notes-input {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  padding: 8px 12px;
  font-size: 0.88rem;
  width: 100%;
  transition: border-color 0.15s;
}
.status-select:focus, .notes-input:focus {
  outline: none;
  border-color: var(--accent);
}
.notes-input { resize: vertical; min-height: 80px; font-family: inherit; }

/* Build photos section */
.build-section { border-top: 1px solid var(--border); padding-top: 1.5rem; }
.build-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}
.build-section-title {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text2);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.add-photo-btn {
  padding: 6px 14px;
  background: var(--accent);
  border: none;
  border-radius: 8px;
  color: #fff;
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.15s;
  display: flex;
  align-items: center;
  gap: 6px;
}
.add-photo-btn:hover { opacity: 0.85; }
.add-photo-btn input[type="file"] { display: none; }

.build-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 10px;
}
.build-photo-item {
  position: relative;
  aspect-ratio: 1;
  border-radius: 8px;
  overflow: hidden;
  background: var(--bg3);
  border: 1px solid var(--border);
}
.build-photo-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  cursor: pointer;
  transition: transform 0.15s;
}
.build-photo-item img:hover { transform: scale(1.03); }
.build-photo-delete {
  position: absolute;
  top: 4px;
  right: 4px;
  background: rgba(0,0,0,0.75);
  border: none;
  color: #fff;
  border-radius: 50%;
  width: 22px;
  height: 22px;
  font-size: 0.65rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.15s;
}
.build-photo-item:hover .build-photo-delete { opacity: 1; }
.build-photo-date {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(transparent, rgba(0,0,0,0.8));
  color: var(--text2);
  font-size: 0.62rem;
  padding: 12px 6px 5px;
  text-align: center;
}
.empty-build {
  grid-column: 1 / -1;
  text-align: center;
  color: var(--text3);
  font-size: 0.82rem;
  padding: 2rem;
  border: 1px dashed var(--border);
  border-radius: 8px;
}

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.95);
  z-index: 300;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: zoom-out;
}
.lightbox.hidden { display: none; }
.lightbox img {
  max-width: 90vw;
  max-height: 90vh;
  object-fit: contain;
  border-radius: 6px;
}

.back-home {
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text3);
  text-decoration: none;
  transition: color 0.15s;
}
.back-home:hover { color: var(--accent); }

/* Scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text3); }

/* Empty state */
.empty-state {
  text-align: center;
  padding: 4rem 2rem;
  color: var(--text3);
}
.empty-state .icon { font-size: 3rem; display: block; margin-bottom: 1rem; }