:root {
  --brand-bg: #f8fafc;
  --brand-surface: #ffffff;
  --brand-border: #e5e7eb;
  --brand-text: #111827;
  --brand-muted: #6b7280;
  --brand-accent: #2563ff;
  --brand-accent-dark: #1e4fca;
}

* { box-sizing: border-box; }

body {
  font-family: "Plus Jakarta Sans", "Segoe UI", -apple-system, BlinkMacSystemFont, "Helvetica Neue", sans-serif;
  background: var(--brand-bg);
  color: var(--brand-text);
  min-height: 100vh;
}

a { color: var(--brand-accent); }
a:hover { color: var(--brand-accent-dark); }

.topbar {
  background: #0f172a;
}

.brand {
  font-weight: 700;
  letter-spacing: -0.01em;
  color: #111827;
}
.navbar .brand { color: #ffffff; }
.navbar .nav-link { color: #e5e7eb; }
.navbar .nav-link:hover { color: #ffffff; }

.flash {
  padding: 0.75rem 1rem;
  border-radius: 12px;
  margin-bottom: 1rem;
}
.flash.success { background: #ecfdf3; border: 1px solid #bbf7d0; color: #166534; }
.flash.info { background: #eff6ff; border: 1px solid #bfdbfe; color: #1d4ed8; }
.flash.warning { background: #fef9c3; border: 1px solid #fde047; color: #92400e; }
.flash.error { background: #fef2f2; border: 1px solid #fecdd3; color: #b91c1c; }

.form-control,
.form-select,
.form-check-input {
  border-radius: 12px;
  border-color: var(--brand-border);
  box-shadow: none;
}

.form-control:focus,
.form-select:focus,
.form-check-input:focus {
  border-color: var(--brand-accent);
  box-shadow: 0 0 0 0.15rem rgba(37, 99, 255, 0.15);
}

.btn-primary {
  background: var(--brand-accent);
  border-color: var(--brand-accent);
  border-radius: 10px;
  padding-inline: 1.1rem;
  font-weight: 600;
}
.btn-primary:hover,
.btn-primary:focus {
  background: var(--brand-accent-dark);
  border-color: var(--brand-accent-dark);
}

.btn-outline-secondary {
  border-radius: 10px;
}

.site-footer {
  background: #0f172a;
  color: #e5e7eb;
}
.site-footer .muted { color: #cbd5e1; }

.badge-soft {
  background: #eef2ff;
  color: var(--brand-accent);
  border: 1px solid rgba(37, 99, 255, 0.18);
}

.section-title {
  font-weight: 700;
  letter-spacing: -0.01em;
}

.asset-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.asset-grid.is-compact {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.asset-card {
  background: var(--brand-surface);
  border: 1px solid var(--brand-border);
  border-radius: 12px;
  overflow: hidden;
}

.asset-thumb-link {
  display: block;
  color: inherit;
  text-decoration: none;
}

.asset-thumb {
  display: block;
  width: 100%;
  height: 120px;
  object-fit: cover;
  background: #e5e7eb;
}

.asset-grid.is-compact .asset-thumb {
  height: 96px;
}

.asset-meta {
  padding: 0.45rem 0.65rem;
}

.asset-title {
  font-size: 0.8rem;
  font-weight: 600;
}

.asset-filename {
  font-size: 0.7rem;
  color: var(--brand-muted);
  word-break: break-all;
}

.asset-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 6px;
}

.asset-tag {
  font-size: 0.65rem;
  background: #eef2ff;
  color: var(--brand-accent);
  border: 1px solid rgba(37, 99, 255, 0.18);
  border-radius: 999px;
  padding: 2px 8px;
}

.asset-tag-form {
  margin-top: 8px;
}

.asset-tagline {
  margin-top: 4px;
  font-size: 0.65rem;
  color: var(--brand-muted);
}

.asset-detail-image {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 12px;
}

.content-preview {
  display: flex;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.preview-card {
  width: min(760px, 100%);
  border-radius: 16px;
  --preview-pad: 1rem;
}

.preview-card .card-body {
  padding: var(--preview-pad);
}

.preview-header {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  margin-bottom: 0.75rem;
}

.preview-channel {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--brand-muted);
}

.preview-title {
  font-size: 1.05rem;
  font-weight: 600;
}

.preview-body {
  font-size: 0.95rem;
  line-height: 1.5;
  color: #111827;
}

.preview-image {
  display: block;
  width: 100%;
  max-height: 320px;
  object-fit: contain;
  background: #0f172a;
  border-radius: 12px;
  margin-top: 1rem;
}

.preview-card.is-social .preview-image {
  width: calc(100% + (2 * var(--preview-pad)));
  margin-left: calc(-1 * var(--preview-pad));
  margin-right: calc(-1 * var(--preview-pad));
  margin-bottom: calc(-1 * var(--preview-pad));
  border-radius: 0 0 16px 16px;
}

.preview-body p {
  margin-bottom: 0.75rem;
}

.preview-body ul,
.preview-body ol {
  margin-bottom: 0.75rem;
  padding-left: 1.25rem;
}

.preview-body blockquote {
  border-left: 3px solid var(--brand-border);
  margin: 0 0 0.75rem;
  padding-left: 0.75rem;
  color: var(--brand-muted);
}

.image-editor-canvas {
  width: 100%;
  height: auto;
  border: 1px solid var(--brand-border);
  border-radius: 14px;
  display: block;
}

@media (max-width: 1200px) {
  .asset-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 900px) {
  .asset-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 600px) {
  .asset-grid {
    grid-template-columns: repeat(1, minmax(0, 1fr));
  }
}