* {
  box-sizing: border-box;
}

:root {
  --bg: #09090b;
  --surface: #18181b;
  --border: #27272a;
  --border-strong: #52525b;
  --text: #f4f4f5;
  --text-soft: #d4d4d8;
  --muted: #a1a1aa;
  --muted-2: #71717a;
  --overlay-strong: rgba(0, 0, 0, 0.8);
  --danger-border: #7f1d1d;
  --danger-text: #f87171;
}

:root[data-theme="light"] {
  --bg: #fafafa;
  --surface: #ffffff;
  --border: #e4e4e7;
  --border-strong: #a1a1aa;
  --text: #18181b;
  --text-soft: #3f3f46;
  --muted: #52525b;
  --muted-2: #71717a;
  --overlay-strong: rgba(255, 255, 255, 0.85);
  --danger-border: #fecaca;
  --danger-text: #b91c1c;
}

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: system-ui, sans-serif;
  max-width: 900px;
  margin: 0 auto;
  padding: 0 20px 60px;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  padding: 24px 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 40px;
}

header a {
  color: inherit;
  text-decoration: none;
}

.logo {
  display: inline-flex;
  align-items: baseline;
  white-space: nowrap;
}

.logo-bold {
  font-weight: 700;
}

.logo-italic {
  font-weight: 300;
  font-style: italic;
  color: var(--muted);
}

.logo-cursor {
  display: inline-block;
  width: 2px;
  height: 1em;
  margin-left: 2px;
  background-color: var(--text);
  animation: logo-blink 1s step-end infinite;
}

@keyframes logo-blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .logo-cursor {
    animation: none;
  }
}

.header-right {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

nav {
  display: flex;
  gap: 20px;
  font-size: 14px;
  color: var(--muted);
}

nav a:hover {
  color: var(--text);
}

.nav-search {
  position: relative;
}

.nav-search input[type="search"] {
  width: 160px;
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 7px 14px;
  color: var(--text);
  font-family: inherit;
  font-size: 13px;
  transition: width 0.2s ease, border-color 0.2s ease;
}

.nav-search input[type="search"]:focus {
  outline: none;
  width: 220px;
  border-color: var(--border-strong);
}

.nav-search input[type="search"]::-webkit-search-cancel-button {
  cursor: pointer;
}

.search-results {
  display: none;
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  width: 280px;
  max-height: 320px;
  overflow-y: auto;
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 6px;
  z-index: 20;
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.25);
}

.search-results.open {
  display: block;
}

.search-result {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 10px;
  border-radius: 8px;
  text-decoration: none;
  color: var(--text);
  font-size: 13px;
}

.search-result:hover {
  background-color: var(--border);
}

.search-result-meta {
  color: var(--muted);
  flex-shrink: 0;
}

.search-empty {
  padding: 10px;
  color: var(--muted);
  font-size: 13px;
}

.theme-toggle {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 999px;
  width: 32px;
  height: 32px;
  cursor: pointer;
  font-size: 14px;
  line-height: 1;
  flex-shrink: 0;
}

.theme-toggle:hover {
  border-color: var(--border-strong);
}

.ozet {
  font-size: 26px;
  line-height: 1.6;
  color: var(--muted);
  margin-bottom: 48px;
  max-width: 700px;
}

.ozet strong {
  color: var(--text);
  font-weight: 600;
}

.ozet:empty {
  display: none;
  margin-bottom: 0;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.kart {
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  min-height: 160px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  color: var(--text);
  text-decoration: none;
  transition: transform 0.2s ease, border-color 0.2s ease;
  cursor: pointer;
}

.kart:hover {
  transform: translateY(-4px);
  border-color: var(--border-strong);
}

.buyuk {
  grid-column: span 2;
}

.kart-ust {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 12px;
}

.rozet {
  background-color: var(--border);
  padding: 4px 10px;
  border-radius: 999px;
}

.kart-baslik {
  font-size: 17px;
  font-weight: 500;
}

.icerik {
  line-height: 1.7;
  color: var(--text-soft);
}

.icerik h2,
.icerik h3 {
  color: var(--text);
  margin: 32px 0 12px;
}

.icerik p {
  margin: 0 0 16px;
}

.icerik ul,
.icerik ol {
  margin: 0 0 16px;
  padding-left: 24px;
}

.icerik a {
  color: var(--text);
}

.icerik code {
  background-color: var(--surface);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 14px;
}

.kart-foto {
  position: relative;
  overflow: hidden;
  background-size: cover;
  background-position: center;
  aspect-ratio: 4 / 3;
}

.kart-foto.buyuk {
  aspect-ratio: 2.4 / 1;
}

.kart-foto::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, var(--overlay-strong), rgba(0, 0, 0, 0) 65%);
}

.kart-foto .kart-ust,
.kart-foto .kart-baslik,
.kart-foto-caption {
  position: relative;
  z-index: 1;
}

.kart-foto-caption {
  font-size: 13px;
  color: var(--text-soft);
  margin-top: 4px;
}

.post-entry {
  padding-bottom: 20px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--border);
}

.post-entry:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.post-entry-time {
  font-size: 12px;
  color: var(--muted-2);
  margin-top: 8px;
}

.post-foto-layout {
  display: flex;
  gap: 32px;
  align-items: flex-start;
}

.post-foto-image {
  flex: 1 1 40%;
  min-width: 260px;
}

.post-foto-image img {
  width: 100%;
  border-radius: 12px;
  display: block;
}

.post-foto-caption {
  color: var(--muted);
  font-size: 13px;
  margin-top: 8px;
  font-style: italic;
}

.post-foto-text {
  flex: 1 1 55%;
}

@media (max-width: 720px) {
  .post-foto-layout {
    flex-direction: column;
  }
}

@media (max-width: 640px) {
  .grid {
    grid-template-columns: 1fr;
  }

  .buyuk {
    grid-column: span 1;
  }

  .kart-foto.buyuk {
    aspect-ratio: 4 / 3;
  }
}

footer {
  margin-top: 60px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  color: var(--muted-2);
  font-size: 13px;
  text-align: center;
}