:root {
  --primary: #0f172a;
  --secondary: #475569;
  --accent: #2563eb; 
  --accent-hover: #1d4ed8;
  --accent-gradient: linear-gradient(135deg, #2563eb 0%, #06b6d4 100%);
  --bg: #f8fafc;
  --surface: rgba(255, 255, 255, 0.85);
  --surface-solid: #ffffff;
  --border: rgba(15, 23, 42, 0.08);
  --text-main: #0f172a;
  --text-muted: #64748b;
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 8px;
  --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.05), 0 8px 10px -6px rgba(0, 0, 0, 0.01);
  --shadow-hover: 0 25px 30px -5px rgba(0, 0, 0, 0.08), 0 10px 15px -6px rgba(0, 0, 0, 0.04);
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background-color: var(--bg);
  color: var(--text-main);
  line-height: 1.6;
  margin: 0;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6, .logo {
  font-family: 'Outfit', 'Inter', system-ui, -apple-system, sans-serif;
  color: var(--primary);
}

/* Decorative Background Elements */
.bg-shapes {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
  z-index: -1;
  pointer-events: none;
}

#bg-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0.6;
}

.shape {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.45;
  transition: transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
  will-change: transform;
}

.shape-1 {
  top: -10%;
  left: -10%;
  width: 500px;
  height: 500px;
  background: var(--accent);
  animation: float 15s ease-in-out infinite;
}

.shape-2 {
  top: 40%;
  right: -5%;
  width: 450px;
  height: 450px;
  background: #06b6d4;
  animation: float 18s ease-in-out infinite reverse;
}

.shape-mouse {
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.6) 0%, rgba(37, 99, 235, 0.1) 60%, transparent 100%);
  filter: blur(60px);
  top: -150px;
  left: -150px;
  opacity: 0;
  transition: opacity 0.5s ease;
  animation: pulse 4s ease-in-out infinite alternate;
}

@keyframes float {
  0% { transform: translateY(0) scale(1) translateX(0); }
  33% { transform: translateY(40px) scale(1.05) translateX(20px); }
  66% { transform: translateY(-20px) scale(0.95) translateX(-20px); }
  100% { transform: translateY(0) scale(1) translateX(0); }
}

@keyframes pulse {
  0% { opacity: 0.3; transform: scale(0.9); }
  100% { opacity: 0.6; transform: scale(1.1); }
}

.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

header {
  background: var(--surface);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 1.2rem 0;
  position: sticky;
  top: 0;
  z-index: 50;
  transition: all 0.3s ease;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-links {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav-links a {
  text-decoration: none;
  color: var(--secondary);
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.2s, transform 0.2s;
}

.nav-links a:hover {
  color: var(--accent);
  transform: translateY(-1px);
}

.logo {
  font-weight: 800;
  font-size: 1.5rem;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-decoration: none;
  letter-spacing: -0.5px;
}

.hero {
  padding: 6rem 0 4rem;
  text-align: center;
  position: relative;
}

h1 {
  font-size: 3.5rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
  line-height: 1.1;
}

.subtitle {
  color: var(--secondary);
  font-size: 1.2rem;
  max-width: 600px;
  margin: 0 auto;
  font-weight: 400;
}

.post-grid {
  display: grid;
  gap: 2.5rem;
  margin-bottom: 6rem;
}

.post-card {
  background: var(--surface-solid);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
}

.post-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(37, 99, 235, 0.2);
}

.post-card-image {
  height: 240px;
  background-size: cover;
  background-position: center;
  border-bottom: 1px solid var(--border);
  transition: transform 0.5s ease;
}

.post-card:hover .post-card-image {
  transform: scale(1.02);
}

.post-card-content {
  padding: 2rem;
  background: var(--surface-solid);
  position: relative;
  z-index: 1;
}

.post-card-date {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.post-card-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  line-height: 1.3;
}

.post-card-summary {
  color: var(--secondary);
  font-size: 1rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all 0.2s ease;
  border: 1px solid transparent;
  text-decoration: none;
  font-family: 'Outfit', sans-serif;
  letter-spacing: 0.02em;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.15);
}

.btn-primary:hover {
  background: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(37, 99, 235, 0.25);
  color: #fff;
}

.btn-outline {
  border-color: var(--border);
  background: var(--surface-solid);
  color: var(--text-main);
}

.btn-outline:hover {
  background: var(--bg);
  border-color: var(--secondary);
  transform: translateY(-1px);
}

footer {
  border-top: 1px solid var(--border);
  padding: 4rem 0;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.95rem;
  background: var(--surface-solid);
}

/* Post Detail */
.post-detail {
  background-color: var(--surface-solid);
}

.post-detail header {
  border: none;
  background: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  padding: 2rem 0;
  position: static;
}

.post-detail .hero-image {
  width: 100%;
  height: 40vh;
  min-height: 300px;
  background-size: cover;
  background-position: center;
  border-radius: var(--radius-lg);
  margin-bottom: 3rem;
  box-shadow: var(--shadow-lg);
}

.post-detail h1 {
  font-size: 3rem;
  margin-bottom: 1.5rem;
}

.post-content {
  font-size: 1.15rem;
  color: var(--secondary);
  line-height: 1.8;
  padding-bottom: 4rem;
}

.post-content p {
  margin-bottom: 1.8rem;
}

.post-content h2 {
  font-size: 2rem;
  margin-top: 3rem;
  margin-bottom: 1.2rem;
  color: var(--primary);
}

.post-content img {
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  margin: 2rem 0;
  max-width: 100%;
}

/* Admin */
.admin-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 3rem;
  margin-bottom: 2rem;
}

.admin-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  margin-top: 1rem;
  background: var(--surface-solid);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.admin-table th, .admin-table td {
  padding: 1.25rem 1.5rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.admin-table th {
  background: #f1f5f9;
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--secondary);
}

.admin-table tr:last-child td {
  border-bottom: none;
}

.admin-table tbody tr {
  transition: background-color 0.2s;
}

.admin-table tbody tr:hover {
  background-color: #f8fafc;
}

.form-container {
  background: var(--surface-solid);
  padding: 2.5rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  margin-bottom: 4rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.5rem;
  font-size: 0.95rem;
  color: var(--primary);
}

.form-control {
  width: 100%;
  padding: 0.8rem 1rem;
  border: 2px solid var(--border);
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-family: inherit;
  box-sizing: border-box;
  transition: all 0.2s;
  background: #f8fafc;
  color: var(--text-main);
}

.form-control:focus {
  outline: none;
  border-color: var(--accent);
  background: var(--surface-solid);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

textarea.form-control {
  min-height: 250px;
  line-height: 1.6;
}

.actions {
  display: flex;
  gap: 0.75rem;
}

.toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: #10b981;
  color: #fff;
  padding: 1rem 1.5rem;
  border-radius: var(--radius-md);
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  display: none;
  z-index: 100;
  font-weight: 500;
  animation: slideUp 0.3s ease-out forwards;
}

@keyframes slideUp {
  from { transform: translateY(100%); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

@media (max-width: 640px) {
  h1 { font-size: 2.5rem; }
  .post-detail h1 { font-size: 2.2rem; }
  .nav-links { gap: 1rem; }
  .hero { padding: 4rem 0 3rem; }
}

/* Quill Editor Overrides */
.ql-toolbar.ql-snow {
  border: 2px solid var(--border);
  border-bottom: none;
  border-top-left-radius: var(--radius-md);
  border-top-right-radius: var(--radius-md);
  background: #f8fafc;
  font-family: 'Inter', sans-serif;
  padding: 12px;
}
.ql-container.ql-snow {
  border: 2px solid var(--border);
  border-bottom-left-radius: var(--radius-md);
  border-bottom-right-radius: var(--radius-md);
  background: var(--surface-solid);
  font-family: 'Inter', sans-serif;
  font-size: 1.1rem;
  transition: all 0.2s;
  min-height: 400px;
}
.ql-container.ql-snow:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}
.ql-editor {
  min-height: 400px;
  line-height: 1.8;
  color: var(--text-main);
  padding: 1.5rem;
}
.ql-editor p {
  margin-bottom: 1.2rem;
}
.ql-editor h2, .ql-editor h3, .ql-editor h4 {
  color: var(--primary);
  margin-top: 1.5rem;
  margin-bottom: 1rem;
}
.ql-editor img {
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  max-width: 100%;
}