:root {
  --app-bg: radial-gradient(1200px 700px at -5% -10%, #ffffff 0%, #f5f8ff 45%, #eef3fb 100%);
  --app-surface: #ffffff;
  --app-surface-soft: #f8faff;
  --app-border: #e4eaf5;
  --app-text: #1d2939;
  --app-muted: #667085;
  --app-primary: #2563eb;
  --app-primary-strong: #1d4ed8;
  --app-danger: #dc2626;
  --app-success: #16a34a;
  --app-shadow: 0 10px 24px rgba(16, 24, 40, 0.08);
  --app-radius: 14px;
  --space-1: .25rem;
  --space-2: .5rem;
  --space-3: .75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 2.5rem;
  --space-8: 3rem;
}
body {
  background: var(--app-bg);
  color: var(--app-text);
}
h1,h2,h3,h4,h5,h6 {margin:0 0 .5rem;color:#0f172a;font-weight:700}
p {margin:.35rem 0 .75rem}
.container {max-width: 1160px}
.container-wide {max-width: 1600px}
@media (min-width: 1920px) {.container-wide {max-width: 2100px}}
.page {padding-top: var(--space-5)}
.muted,.text-muted {color: var(--app-muted)!important}
.site-header .container,.site-header .container-wide{display:flex;align-items:center;justify-content:space-between;min-height:72px;gap:1rem}
.site-nav {display:flex;align-items:center;gap:.9rem}
.nav-links {display:flex;align-items:center;gap:.9rem;flex-wrap:wrap}
.nav-links a {padding:.45rem .55rem;border-radius:10px}
.nav-links a:hover{background:#eef4ff;text-decoration:none}
.logo {font-size:1.15rem}
.card {padding:1.1rem 1.2rem;border-radius:var(--app-radius);background:var(--app-surface);border:1px solid var(--app-border);box-shadow:var(--app-shadow)}
.button-link {
  display:inline-flex;align-items:center;justify-content:center;gap:.4rem;
  border:1px solid var(--app-border);background:#fff;color:#1e293b;
  border-radius:10px;padding:.52rem .88rem;font-weight:600;line-height:1.2;text-decoration:none;
}
.button-link:hover{text-decoration:none;transform:translateY(-1px);box-shadow:0 6px 14px rgba(15,23,42,.08)}
.button-link.primary{background:var(--app-primary);border-color:var(--app-primary);color:#fff}
.button-link.primary:hover{background:var(--app-primary-strong);border-color:var(--app-primary-strong)}
.button-link.danger{background:#fff0f0;border-color:#ffc9c9;color:#a51d2d}
.inline-form{display:inline-flex}
form label,.field-label{font-weight:600;font-size:.9rem;color:#344054}
input,select,textarea{font:inherit}
input[type=text],input[type=email],input[type=password],input[type=number],input[type=search],input[type=file],select,textarea{
  border:1px solid #d8e0ef;background:#fff;border-radius:10px;padding:.62rem .72rem;width:100%;color:#111827;
}
input:focus,select:focus,textarea:focus{outline:0;border-color:#8eb6ef;box-shadow:0 0 0 3px rgba(37,99,235,.12)}
.help-text{display:block;color:var(--app-muted);font-size:.8rem;margin-top:.25rem}
.form-grid{display:grid;gap:1rem;grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.header-actions{display:flex;flex-wrap:wrap;gap:.65rem}
.table-scroll{overflow:auto}
.queue-table{width:100%;border-collapse:collapse}
.queue-table th,.queue-table td{padding:.72rem;border-bottom:1px solid #edf1f8;white-space:nowrap}
.queue-table th{font-size:.78rem;text-transform:uppercase;letter-spacing:.04em;color:#6b7280}
.model-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:1rem}
.model-card{border:1px solid var(--app-border);border-radius:12px;background:#fff;padding:.75rem;display:flex;flex-direction:column;gap:.55rem}
.image-frame{background:var(--app-surface-soft);border:1px dashed #dbe3f2;border-radius:10px;min-height:180px;display:flex;align-items:center;justify-content:center;overflow:hidden}
.image-preview{width:100%;height:100%;object-fit:cover}
.messages{list-style:none;padding:0;margin:0 0 1rem;display:grid;gap:.5rem}
.message{padding:.75rem .9rem;border-radius:10px;border:1px solid var(--app-border);background:#fff}
.message.success{background:#ecfdf3;border-color:#a6f4c5}
.message.error{background:#fef3f2;border-color:#fecdca}
.message.warning{background:#fffaeb;border-color:#fedf89}
.message.info{background:#eff8ff;border-color:#b2ddff}
.profile-menu{position:relative}
.profile-dropdown{display:none;position:absolute;right:0;top:calc(100% + .35rem);background:#fff;border:1px solid var(--app-border);border-radius:12px;min-width:180px;padding:.4rem;box-shadow:var(--app-shadow);z-index:50}
.profile-menu.is-open .profile-dropdown{display:block}
.profile-dropdown a,.profile-dropdown button{display:flex;width:100%;padding:.5rem .65rem;border:0;background:transparent;color:#1e293b;border-radius:8px;text-align:left}
.profile-dropdown a:hover,.profile-dropdown button:hover{background:#eff4ff;text-decoration:none}
.link-button{cursor:pointer}
.page-header{display:flex;justify-content:space-between;align-items:flex-end;gap:1rem;margin-bottom:1rem}
.page-header h1{font-size:1.7rem}
.status-badge{display:inline-flex;align-items:center;padding:.22rem .58rem;border-radius:999px;font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.04em}
@media (max-width: 1023px) {
  .nav-toggle{display:inline-flex!important}
  .nav-links{display:none;width:100%;flex-direction:column;align-items:stretch}
  .nav-links.is-open{display:flex}
  .site-header .container,.site-header .container-wide{flex-wrap:wrap;padding-top:.5rem;padding-bottom:.75rem}
  .container,.container-wide{padding-inline:1rem}
}