:root {
  --bg: #f4f7fb;
  --card: #ffffff;
  --text: #0f172a;
  --muted: #475569;
  --brand: #0050d0;
  --brand-dark: #003d9f;
  --line: #d8e0ed;
  --ok: #1b7f3a;
  --danger: #b42318;
  --warn: #b54708;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background: var(--bg);
  color: var(--text);
}

a {
  color: var(--brand);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.container {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
}

.topbar {
  background: #0b2545;
  color: #fff;
  border-bottom: 1px solid #14355f;
}

.topbar-inner {
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.topbar h1 {
  font-size: 1rem;
  margin: 0;
  letter-spacing: 0.01em;
}

.topbar-nav {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.flash {
  margin: 1rem auto 0;
  width: min(1120px, calc(100% - 2rem));
  border-radius: 10px;
  padding: 0.75rem 1rem;
  font-size: 0.95rem;
}

.flash.info {
  background: #e8f1ff;
  color: #0b3e91;
}

.flash.success {
  background: #e6f7eb;
  color: var(--ok);
}

.flash.error {
  background: #fdecec;
  color: var(--danger);
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1rem;
}

.page {
  padding: 1.2rem 0 3rem;
}

.btn {
  border: 0;
  border-radius: 10px;
  background: var(--brand);
  color: #fff;
  font-weight: 600;
  padding: 0.65rem 1rem;
  cursor: pointer;
}

.btn:hover {
  background: var(--brand-dark);
}

.btn.secondary {
  background: #e2e8f0;
  color: #1e293b;
}

.btn.danger {
  background: #d92d20;
}

.btn.ghost {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.35);
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  padding: 0.7rem 0.6rem;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
  font-size: 0.92rem;
}

th {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--muted);
}

.tag {
  display: inline-block;
  border-radius: 999px;
  padding: 0.2rem 0.6rem;
  font-size: 0.76rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.tag.draft {
  background: #e2e8f0;
  color: #334155;
}

.tag.pending {
  background: #fff7ed;
  color: var(--warn);
}

.tag.published {
  background: #e6f7eb;
  color: var(--ok);
}

.tag.scheduled {
  background: #e6f0ff;
  color: #0f5ac5;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.form-grid.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.field label {
  font-size: 0.84rem;
  font-weight: 700;
  color: #334155;
}

.field input,
.field textarea,
.field select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.6rem 0.7rem;
  font-size: 0.94rem;
  background: #fff;
}

.field textarea {
  min-height: 100px;
  resize: vertical;
}

.field small {
  font-size: 0.76rem;
  color: #64748b;
}

.section-title {
  margin: 0 0 0.75rem;
  font-size: 1rem;
}

.section-block {
  margin-bottom: 1rem;
}

.error-list {
  background: #fff2f1;
  border: 1px solid #f8c6c3;
  color: #8a1c16;
  padding: 0.8rem 1rem;
  border-radius: 10px;
  margin-bottom: 1rem;
}

.editor-wrap {
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
}

.faq-row,
.image-row {
  border: 1px dashed #cbd5e1;
  border-radius: 10px;
  padding: 0.8rem;
  margin-bottom: 0.8rem;
  background: #f8fafc;
}

.inline-actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.muted {
  color: #64748b;
}

.cover-preview {
  display: inline-flex;
  gap: 0.8rem;
  align-items: center;
  background: #f8fafc;
  border: 1px solid #dbe4f0;
  border-radius: 10px;
  padding: 0.7rem;
}

.cover-preview img {
  width: 120px;
  height: 80px;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid #cbd5e1;
}

.login-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 1rem;
}

.login-card {
  width: min(460px, 100%);
}

.blog-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
}

.blog-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
}

.blog-card img {
  width: 100%;
  aspect-ratio: 1200/628;
  object-fit: cover;
  background: #e5e7eb;
}

.blog-card-content {
  padding: 0.9rem;
}

.blog-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1rem;
}

.blog-page {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1rem;
}

.blog-hero img {
  width: 100%;
  border-radius: 12px;
  margin-top: 0.6rem;
}

.blog-meta {
  font-size: 0.88rem;
  color: #64748b;
}

.toc {
  margin: 1rem 0;
  background: #f8fafc;
  border: 1px solid #dbe4f0;
  border-radius: 10px;
  padding: 0.8rem;
}

.toc h3 {
  margin: 0 0 0.6rem;
  font-size: 0.95rem;
}

.toc ul {
  margin: 0;
  padding-left: 1rem;
}

.toc li {
  margin: 0.3rem 0;
}

.toc .l3 {
  margin-left: 0.7rem;
}

.toc .l4 {
  margin-left: 1.4rem;
}

.blog-content {
  line-height: 1.75;
}

.blog-content table {
  border: 1px solid #cbd5e1;
}

.blog-content th,
.blog-content td {
  border: 1px solid #cbd5e1;
}

.blog-image-block {
  margin: 1rem 0;
}

.blog-image-block img {
  max-width: 100%;
  border-radius: 10px;
}

.blog-image-block figcaption {
  color: #64748b;
  font-size: 0.88rem;
}

.faq-list details {
  border: 1px solid #dbe4f0;
  border-radius: 8px;
  padding: 0.65rem 0.75rem;
  margin-bottom: 0.6rem;
  background: #f8fafc;
}

.blog-lead-form-block {
  margin: 1.2rem 0;
  border: 1px solid #bfdbfe;
  background: #eff6ff;
  border-radius: 12px;
  padding: 1rem;
}

.blog-lead-form-block .grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.8rem;
}

.blog-lead-form-block input {
  width: 100%;
  border: 1px solid #93c5fd;
  border-radius: 8px;
  padding: 0.55rem 0.6rem;
}

.blog-lead-form-block button {
  margin-top: 0.8rem;
  border: 0;
  border-radius: 8px;
  padding: 0.6rem 0.9rem;
  color: #fff;
  background: var(--brand);
  cursor: pointer;
}

@media (max-width: 900px) {
  .form-grid,
  .form-grid.three,
  .blog-lead-form-block .grid {
    grid-template-columns: 1fr;
  }
}