:root {
  --bg: #0f1217;
  --bg-elevated: #1a1d27;
  --bg-card: #1f2330;
  --border: #2a2f3d;
  --text: #e6e9ef;
  --text-dim: #8a93a6;
  --primary: #5d8fff;
  --primary-hover: #7aa1ff;
  --danger: #ff5d6c;
  --success: #4cd99f;
  --warning: #ffba49;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { background: var(--bg); color: var(--text); font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif; min-height: 100vh; }
a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-hover); }
button { cursor: pointer; font: inherit; }

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 24px;
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border);
}
.brand { font-size: 20px; font-weight: 700; }
.brand-sub { font-size: 14px; color: var(--text-dim); font-weight: 400; margin-left: 8px; }
.user-info { display: flex; align-items: center; gap: 12px; color: var(--text-dim); font-size: 14px; }

.container { max-width: 1080px; margin: 24px auto; padding: 0 24px; display: flex; flex-direction: column; gap: 20px; }

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
}
.card h2 { margin-bottom: 8px; font-size: 18px; }
.card h3 { margin-bottom: 8px; font-size: 16px; }
.hint { color: var(--text-dim); font-size: 14px; margin-bottom: 16px; }

.btn {
  border: 0;
  padding: 10px 18px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 14px;
  transition: background 120ms ease, transform 80ms ease;
}
.btn-primary { background: var(--primary); color: white; }
.btn-primary:hover { background: var(--primary-hover); }
.btn-secondary { background: var(--bg-elevated); color: var(--text); border: 1px solid var(--border); }
.btn-secondary:hover { background: #262a37; }
.btn-ghost { background: transparent; color: var(--text-dim); }
.btn-ghost:hover { color: var(--text); }
.btn-danger { background: var(--danger); color: white; }
.btn-sm { padding: 6px 10px; font-size: 12px; }
.btn[disabled] { opacity: 0.5; cursor: not-allowed; }

.status { color: var(--text-dim); font-size: 13px; margin-top: 8px; }
.status.error { color: var(--danger); }
.status.success { color: var(--success); }

.dropzone {
  border: 2px dashed var(--border);
  border-radius: 12px;
  padding: 48px 24px;
  text-align: center;
  cursor: pointer;
  transition: border-color 120ms, background 120ms;
}
.dropzone:hover, .dropzone.dragover { border-color: var(--primary); background: rgba(93, 143, 255, 0.06); }
.dropzone-text { font-size: 18px; margin-bottom: 6px; }
.dropzone-sub { color: var(--text-dim); font-size: 13px; }

.image-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 12px;
  margin-top: 12px;
}
.image-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  cursor: grab;
  transition: border-color 120ms;
}
.image-card.selected { border-color: var(--primary); }
.image-card.dragging { opacity: 0.4; }
.image-thumb {
  width: 100%;
  aspect-ratio: 1 / 1;
  background: #000;
  border-radius: 6px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.image-thumb img { max-width: 100%; max-height: 100%; object-fit: contain; }
.image-meta { font-size: 11px; color: var(--text-dim); display: flex; justify-content: space-between; }
.image-actions { display: flex; flex-wrap: wrap; gap: 4px; }
.image-actions .btn { padding: 4px 8px; font-size: 11px; flex: 1 1 auto; }

.quality-pills { display: flex; gap: 12px; flex-wrap: wrap; margin: 12px 0 20px; }
.quality-pill {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 18px;
  border: 2px solid var(--border);
  border-radius: 10px;
  cursor: pointer;
  flex: 1 1 200px;
  transition: border-color 120ms;
}
.quality-pill:hover { border-color: var(--text-dim); }
.quality-pill:has(input:checked) { border-color: var(--primary); background: rgba(93, 143, 255, 0.08); }
.quality-pill input { display: none; }
.quality-pill strong { display: block; font-size: 14px; }
.quality-pill small { color: var(--text-dim); font-size: 12px; }

.generate-row { display: flex; align-items: center; gap: 16px; }

.pdf-result {
  margin-top: 16px;
  padding: 14px 16px;
  background: rgba(76, 217, 159, 0.08);
  border: 1px solid var(--success);
  border-radius: 8px;
}
.pdf-result a { margin-left: 12px; }

/* Modal */
.modal[hidden] { display: none !important; }
.modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 50;
  padding: 24px;
}
.modal-content {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  max-width: 720px;
  width: 100%;
  max-height: 90vh;
  overflow: auto;
}
.crop-stage {
  position: relative;
  display: flex;
  justify-content: center;
  background: #000;
  border-radius: 8px;
  margin: 12px 0;
  user-select: none;
  overflow: hidden;
}
.crop-stage img { max-width: 100%; max-height: 60vh; display: block; }
.crop-box {
  position: absolute;
  border: 2px solid var(--primary);
  background: rgba(93, 143, 255, 0.15);
  cursor: move;
  display: none;
}
.crop-box .handle {
  position: absolute;
  width: 10px; height: 10px;
  background: var(--primary);
  border-radius: 50%;
}
.crop-box .handle.tl { top: -5px; left: -5px; cursor: nwse-resize; }
.crop-box .handle.tr { top: -5px; right: -5px; cursor: nesw-resize; }
.crop-box .handle.bl { bottom: -5px; left: -5px; cursor: nesw-resize; }
.crop-box .handle.br { bottom: -5px; right: -5px; cursor: nwse-resize; }
.modal-actions { display: flex; justify-content: flex-end; gap: 8px; }

/* Auth */
.auth-page { display: flex; align-items: center; justify-content: center; min-height: 100vh; padding: 24px; }
.auth-container { width: 100%; max-width: 420px; }
.auth-card { text-align: center; }
.auth-card h1 { margin-bottom: 8px; font-size: 26px; }
.auth-step { display: flex; flex-direction: column; gap: 12px; align-items: stretch; text-align: left; }
.auth-card label { font-size: 13px; color: var(--text-dim); margin-bottom: -8px; }
.auth-card input {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 15px;
}
.auth-card input:focus { outline: none; border-color: var(--primary); }

/* Admin */
.users-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.users-table th, .users-table td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--border); }
.users-table th { color: var(--text-dim); font-weight: 500; font-size: 12px; text-transform: uppercase; letter-spacing: 0.5px; }
.users-table tr:hover td { background: rgba(255, 255, 255, 0.02); }
.status-pill {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
}
.status-pill.approved { background: rgba(76, 217, 159, 0.15); color: var(--success); }
.status-pill.pending { background: rgba(255, 186, 73, 0.15); color: var(--warning); }
.status-pill.blocked { background: rgba(255, 93, 108, 0.15); color: var(--danger); }
.status-pill.admin { background: rgba(93, 143, 255, 0.15); color: var(--primary); }
.limits-box { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; }
.limit-cell {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px;
}
.limit-cell label { font-size: 12px; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.5px; display: block; margin-bottom: 6px; }
.limit-cell .value-row { display: flex; gap: 6px; align-items: center; }
.limit-cell input { width: 100%; background: var(--bg); border: 1px solid var(--border); color: var(--text); padding: 6px 10px; border-radius: 6px; font-size: 14px; }
.limit-cell .actions { display: flex; gap: 6px; margin-top: 8px; }
.limit-cell .hint-mini { font-size: 11px; color: var(--text-dim); margin-top: 6px; }

.user-row-actions { display: flex; flex-wrap: wrap; gap: 4px; }
.user-row-actions .btn { padding: 4px 8px; font-size: 11px; }
.edit-user-dialog {
  background: var(--bg-elevated);
  border: 1px solid var(--primary);
  padding: 14px;
  border-radius: 8px;
  margin-top: 8px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.edit-user-dialog .row { display: flex; gap: 10px; align-items: center; }
.edit-user-dialog .row label { font-size: 12px; color: var(--text-dim); flex: 1; }
.edit-user-dialog input { background: var(--bg); border: 1px solid var(--border); color: var(--text); padding: 6px 10px; border-radius: 6px; font-size: 13px; flex: 1; }

/* Mobile */
@media (max-width: 640px) {
  .topbar { padding: 12px 16px; }
  .container { padding: 0 16px; }
  .image-grid { grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); }
  .quality-pills { flex-direction: column; }
  .quality-pill { flex: 1 1 100%; }
  .users-table { font-size: 12px; }
  .users-table th, .users-table td { padding: 8px 4px; }
}