:root {
  --bg: #0b0f14;
  --card: #111827;
  --text: #e5e7eb;
  --muted: #9ca3af;
  --border: #1f2933;
  --accent: #3b82f6;
}

[data-theme="light"] {
  --bg: #f5f7fb;
  --card: #ffffff;
  --text: #0f172a;
  --muted: #475569;
  --border: #e5e7eb;
  --accent: #2563eb;
}

body {
  background: radial-gradient(circle at top, #0f172a 0%, var(--bg) 40%);
  color: var(--text);
}

/* ================= NAVBAR ================= */

.navbar-glass {
  background: rgba(10, 14, 20, 0.7);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

[data-theme="light"] .navbar-glass {
  background: rgba(255,255,255,0.8);
}

.navbar .nav-link {
  color: var(--text) !important;
  opacity: 0.85;
  font-weight: 500;
}

.navbar .nav-link:hover {
  opacity: 1;
  color: var(--accent) !important;
}

.nav-link-badge {
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(59,130,246,0.15);
  color: var(--accent) !important;
  font-size: 13px;
}

/* Search */
.nav-search input {
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--text);
  width: 220px;
}

.nav-search input::placeholder {
  color: var(--muted);
}

/* Buttons */
.btn-primary {
  background: linear-gradient(135deg, #3b82f6, #2563eb);
  border: none;
}

.btn-outline-primary {
  border-color: var(--accent);
  color: var(--accent);
}

.btn-outline-primary:hover {
  background: var(--accent);
  color: white;
}

.btn-outline-light {
  border-color: var(--border);
  color: var(--text);
}

/* Theme toggle */
.btn-icon {
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 10px;
  padding: 6px 10px;
}

/* ================= HERO ================= */

.hero-box {
  background: linear-gradient(135deg, rgba(59,130,246,0.15), rgba(37,99,235,0.05));
  border: 1px solid var(--border);
  border-radius: 24px;
}

/* ================= CARDS ================= */

.card {
  background: linear-gradient(180deg, var(--card), rgba(17,24,39,0.8));
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 16px;
}

.blog-card {
  transition: all 0.25s ease;
}

.blog-card:hover {
  transform: translateY(-8px) scale(1.01);
  border-color: var(--accent);
  box-shadow: 0 20px 40px rgba(0,0,0,0.4);
}

/* Blog card image */
.blog-card-image {
  height: 220px;
  overflow: hidden;
  border-radius: 16px 16px 0 0;
}

.blog-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.blog-card:hover .blog-card-image img {
  transform: scale(1.05);
}

/* ================= BLOG HERO ================= */

.blog-hero {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: 0 30px 60px rgba(0,0,0,0.5);
}

.blog-hero img {
  width: 100%;
  height: 460px;
  object-fit: cover;
  display: block;
}

.blog-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.45), rgba(0,0,0,0));
}

/* ================= CONTENT ================= */

.blog-content {
  color: var(--text);
}

.blog-content h1,
.blog-content h2,
.blog-content h3 {
  margin-top: 1.5em;
  margin-bottom: 0.5em;
}

/* ================= FORMS ================= */

.form-control, textarea {
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--text);
}

.form-control::placeholder {
  color: var(--muted);
}

.form-control:focus {
  background: var(--card);
  color: var(--text);
  border-color: var(--accent);
  box-shadow: none;
}

/* ================= BADGES ================= */

.badge {
  border-radius: 999px;
  padding: 6px 10px;
}

/* ================= MISC ================= */

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

a:hover {
  text-decoration: underline;
}