:root {
  /* Ana yapı (tech vibe) */
  --color-navbar: #0F172A;
  --color-footer: #020617;
  
  /* Marka vurgusu (bordo) */
  --color-accent: #7C1D25;
  --color-badge: #8B1D2C;
  
  /* İçerik alanı */
  --bg-main: #FAFAFA;
  --bg-card: #FFFFFF;
  --border-card: #E5E7EB;
  
  /* Metin renkleri */
  --text-primary: #111827;
  --text-secondary: #6B7280;
  --text-muted: #9CA3AF;
}

html {
  font-size: 14px;
  height: 100%;
}

@media (min-width: 768px) {
  html {
    font-size: 16px;
  }
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: var(--bg-main);
  color: var(--text-primary);
  font-family: 'Poppins', sans-serif;
  margin: 0;
  padding: 0;
}

/* Navbar ve Footer */
header {
  background-color: var(--color-navbar);
  padding: 20px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  position: sticky;
  top: 0;
  z-index: 1000;
  width: 100%;
}

header .navbar {
  margin-bottom: 0;
}

.navbar-dark .navbar-nav .nav-link {
  color: #fff;
  transition: color 0.3s ease;
  position: relative;
}

.navbar-dark .navbar-nav .nav-link:hover {
  color: var(--color-accent);
}

.navbar-dark .navbar-nav .nav-link.active {
  color: var(--bg-main);
  font-weight: 500;
}

.navbar-dark .navbar-nav .nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--color-accent);
}

.navbar-dark .navbar-brand {
  color: #fff;
  font-weight: 600;
  transition: color 0.3s ease;
}

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

main {
  flex: 1 0 auto;
  padding-bottom: 20px;
  width: 100%;
}

footer {
  background-color: var(--color-footer);
  color: #fff;
  text-align: center;
  padding: 20px 0;
  width: 100%;
  margin-top: auto;
  box-shadow: 0 -2px 4px rgba(0, 0, 0, 0.1);
}

footer a {
  color: #fff;
  text-decoration: none;
  transition: color 0.3s ease;
}

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

/* Kartlar */
.card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: 8px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
  transition: all 0.3s ease;
}

.card:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  transform: translateY(-2px);
}

.card-title {
  color: var(--text-primary);
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.card-text {
  color: var(--text-secondary);
  line-height: 1.6;
}

.blog-card {
  height: 100%;
  display: flex;
  flex-direction: column;
}

.blog-card-image {
  height: 250px;
  object-fit: cover;
  border-radius: 8px 8px 0 0;
}

.blog-card .card-body {
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

/* Butonlar */
.btn-primary {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
  transition: all 0.3s ease;
}

.btn-primary:hover {
  background-color: var(--color-badge);
  border-color: var(--color-badge);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 4px 8px rgba(124, 29, 37, 0.3);
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
  box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem var(--color-accent);
}

/* Form elemanları */
.form-floating > .form-control-plaintext::placeholder, .form-floating > .form-control::placeholder {
  color: var(--text-secondary);
  text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder, .form-floating > .form-control:focus::placeholder {
  text-align: start;
}

/* Linkler */
a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color 0.3s ease;
}

a:hover {
  color: var(--color-badge);
}

/* Badge ve küçük ikonlar */
.badge {
  background-color: var(--color-badge);
  color: #fff;
  padding: 0.35em 0.65em;
  font-weight: 500;
}

.badge-primary {
  background-color: var(--color-accent);
}

.badge-secondary {
  background-color: var(--text-secondary);
}

/* İkonlar için */
.icon-accent {
  color: var(--color-accent);
}

.icon-badge {
  color: var(--color-badge);
}

/* Alert mesajları */
.alert-success {
  background-color: #d4edda;
  border-color: #c3e6cb;
  color: #155724;
}

.alert-warning {
  background-color: #fff3cd;
  border-color: #ffeaa7;
  color: #856404;
}

.alert-danger {
  background-color: #f8d7da;
  border-color: #f5c6cb;
  color: #721c24;
}

/* Form elemanları */
.form-control {
  border-color: var(--border-card);
  color: var(--text-primary);
  background-color: var(--bg-card);
}

.form-control:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 0.2rem rgba(124, 29, 37, 0.25);
  background-color: var(--bg-card);
}

.form-label {
  color: var(--text-primary);
  font-weight: 500;
}

.form-select {
  border-color: var(--border-card);
  color: var(--text-primary);
  background-color: var(--bg-card);
}

.form-select:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 0.2rem rgba(124, 29, 37, 0.25);
}

/* Admin sayfaları */
.admin-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: 8px;
}

.list-group-item {
  background-color: var(--bg-card);
  border-color: var(--border-card);
}

/* Buton stilleri */
.btn-success {
  background-color: #28a745;
  border-color: #28a745;
}

.btn-success:hover {
  background-color: #218838;
  border-color: #1e7e34;
}

.btn-warning {
  background-color: #ffc107;
  border-color: #ffc107;
  color: var(--text-primary);
}

.btn-warning:hover {
  background-color: #e0a800;
  border-color: #d39e00;
  color: var(--text-primary);
}

.btn-danger {
  background-color: #dc3545;
  border-color: #dc3545;
}

.btn-danger:hover {
  background-color: #c82333;
  border-color: #bd2130;
}

.btn-secondary {
  background-color: var(--text-secondary);
  border-color: var(--text-secondary);
  color: #fff;
}

.btn-secondary:hover {
  background-color: var(--text-primary);
  border-color: var(--text-primary);
  color: #fff;
}

/* Post detay sayfası */
.post-detail-image {
  max-width: 600px;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.post-content {
  max-width: 800px;
  margin: 0 auto;
  color: var(--text-primary);
  line-height: 1.8;
}

.text-muted {
  color: var(--text-muted) !important;
}

.text-secondary {
  color: var(--text-secondary) !important;
}

/* Genel düzenlemeler */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-primary);
}

/* Empty state */
.empty-state {
  min-height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.empty-state-content {
  max-width: 600px;
}

.empty-state h2 {
  color: var(--text-primary);
  font-weight: 600;
}

.empty-state .text-muted {
  font-size: 1.1rem;
  line-height: 1.6;
}

/*   About   */
.about-card {
    background-color: #0F172A; /* tech dark */
    border-radius: 16px;
    padding: 40px;
    margin: 30px 0;
}

.about-avatar {
    width: 180px;
    height: 180px;
    object-fit: cover;
}

.about-name {
    color: #7C1D25; /* bordo vurgu */
    font-weight: 600;
}

.about-title {
    color: #9CA3AF;
    font-weight: 400;
}

.about-text {
    color: #E5E7EB;
    line-height: 1.7;
}

.about-btn {
    border: 1px solid #7C1D25;
    color: #7C1D25;
    background: transparent;
    border-radius: 10px;
    padding: 8px 18px;
}

.about-btn:hover {
    background-color: #7C1D25;
    color: #ffffff;
}

/*   Contact   */
.contact-card {
    background-color: #0F172A; /* tech dark */
    border-radius: 16px;
    padding: 40px;
    color: #E5E7EB;
}

.contact-title {
    color: #7C1D25; /* bordo vurgu */
    font-weight: 600;
}

.contact-list li {
    font-size: 1.05rem;
    margin-bottom: 8px;
}

.contact-list i {
    color: #7C1D25;
    margin-right: 10px;
    font-size: 1.1rem;
}

.contact-list a {
    color: #E5E7EB;
    text-decoration: none;
}

.contact-list a:hover {
    color: #7C1D25;
}

.contact-disabled {
    color: #9CA3AF;
    cursor: not-allowed;
}

.clickable-card {
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

.clickable-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.featured-post .card {
    overflow: hidden;
    border-radius: 15px;
}

.featured-image {
    height: 100%;
    object-fit: cover;
    min-height: 400px;
}

.featured-post .card-title {
    font-size: 2rem;
    font-weight: bold;
}

.featured-post:hover {
    transform: translateY(-5px);
    transition: transform 0.3s ease;
}

@media (max-width: 768px) {
    .featured-image {
        min-height: 250px;
    }
}

.post-detail-image {
    width: 60%;
    height: auto;
    max-width: 100%;
    object-fit: cover;
    border-radius: 8px;
}

/* Mobil için özel ayarlar */
@media (max-width: 768px) {
    .post-detail-image {
        max-height: 300px;
        object-fit: contain;
    }
}

@media (min-width: 769px) {
    .post-detail-image {
        max-height: 500px;
    }
}