/* ===== GOOGLE FONTS ===== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/* ===== RESET & VARIABLES ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --bg-primary: #F5F3EF;
  --bg-secondary: #ECEAE4;
  --bg-card: #FFFFFF;
  --text-primary: #2D3436;
  --text-secondary: #636E72;
  --text-light: #95A5A6;
  --accent-1: #7E9BB5;
  --accent-1-light: #B8C9D9;
  --accent-1-hover: #6B8AA6;
  --accent-2: #8FA88B;
  --accent-2-light: #B5C4B1;
  --accent-3: #BFB199;
  --accent-3-light: #D4C5A9;
  --accent-4: #A8A8A8;
  --accent-4-light: #D5D5D5;
  --danger: #C0392B;
  --danger-light: #E74C3C;
  --success: #27AE60;
  --border: #E0DDD7;
  --shadow: 0 2px 12px rgba(0,0,0,0.06);
  --shadow-hover: 0 6px 24px rgba(0,0,0,0.1);
  --radius: 12px;
  --radius-sm: 8px;
  --transition: all 0.3s ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
ul { list-style: none; }
h1,h2,h3,h4,h5,h6 { line-height: 1.3; }

/* ===== UTILITIES ===== */
.container { max-width: 1200px; margin: 0 auto; padding: 0 2rem; }

/* ===== ANIMATIONS ===== */
@keyframes fadeIn { from { opacity:0; transform:translateY(12px) } to { opacity:1; transform:translateY(0) } }
@keyframes slideDown { from { opacity:0; transform:translateY(-10px) } to { opacity:1; transform:translateY(0) } }
.fade-in { animation: fadeIn .5s ease forwards; }

/* ===== NAVBAR ===== */
.navbar {
  position: sticky; top: 0; z-index: 1000;
  background: color-mix(in srgb, var(--bg-card) 90%, transparent);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}
.nav-container {
  display: flex; align-items: center; justify-content: space-between;
  max-width: 1200px; margin: 0 auto; padding: 0 2rem; height: 70px;
}
.nav-logo { font-weight: 700; font-size: 1.5rem; color: var(--text-primary); }
.nav-logo span { color: var(--accent-1); }
.nav-menu { display: flex; gap: .5rem; }
.nav-link {
  padding: .5rem 1rem; border-radius: var(--radius-sm);
  color: var(--text-secondary); font-weight: 500; font-size: .95rem;
  transition: var(--transition);
}
.nav-link:hover, .nav-link.active { color: var(--accent-1); background: color-mix(in srgb, var(--accent-1) 12%, transparent); }
.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: .5rem; }
.nav-toggle span { width: 24px; height: 2px; background: var(--text-primary); border-radius: 2px; transition: var(--transition); }

/* ===== MAIN CONTENT ===== */
.main-content { flex: 1; padding-top: 1rem; padding-bottom: 4rem; }

/* ===== PAGE HEADER ===== */
.page-header { text-align: center; padding: 3rem 0 2rem; }
.page-title { font-size: 2.5rem; font-weight: 700; margin-bottom: .5rem; }
.page-subtitle { font-size: 1.1rem; color: var(--text-secondary); max-width: 600px; margin: 0 auto; }

/* ===== HERO (Homepage) ===== */
.hero-section {
  text-align: center; padding: 5rem 2rem 3rem;
  background: linear-gradient(135deg, color-mix(in srgb, var(--accent-1) 15%, transparent) 0%, color-mix(in srgb, var(--accent-2) 10%, transparent) 50%, color-mix(in srgb, var(--accent-3) 10%, transparent) 100%);
}
.hero-title { font-size: 3rem; font-weight: 700; margin-bottom: .75rem; color: var(--text-primary); }
.hero-title span { color: var(--accent-1); }
.hero-subtitle { font-size: 1.2rem; color: var(--text-secondary); max-width: 650px; margin: 0 auto; }
.hero-divider { width: 60px; height: 3px; background: var(--accent-1); margin: 2rem auto 0; border-radius: 2px; }

/* ===== WIDGET GRID (Homepage) ===== */
.widget-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1.5rem; padding: 2.5rem 0; }
.widget-card {
  background: var(--bg-card); border-radius: var(--radius); padding: 2rem;
  border: 1px solid var(--border); box-shadow: var(--shadow);
  transition: var(--transition); position: relative; overflow: hidden;
}
.widget-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-2px); }
.widget-card.size-small  { grid-column: span 1; }
.widget-card.size-medium { grid-column: span 2; }
.widget-card.size-large  { grid-column: span 3; }
.widget-card.color-blue  { border-top: 3px solid var(--accent-1); }
.widget-card.color-green { border-top: 3px solid var(--accent-2); }
.widget-card.color-earth { border-top: 3px solid var(--accent-3); }
.widget-card.color-gray  { border-top: 3px solid var(--accent-4); }
.widget-title { font-size: 1.25rem; font-weight: 600; margin-bottom: .75rem; }
.widget-content { color: var(--text-secondary); line-height: 1.8; }

/* ===== ARTICLES (Accordion) ===== */
.articles-container { max-width: 800px; margin: 0 auto; }
.article-item {
  background: var(--bg-card); border-radius: var(--radius); margin-bottom: 1rem;
  border: 1px solid var(--border); overflow: hidden; transition: var(--transition);
}
.article-item.active { box-shadow: var(--shadow); }
.article-cover {
  width: 100%; max-height: 250px; overflow: hidden; cursor: pointer;
  border-bottom: 1px solid var(--border);
}
.article-cover img {
  width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease;
}
.article-cover:hover img { transform: scale(1.02); }
.article-header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 1.25rem 1.5rem; cursor: pointer; transition: background .2s ease;
}
.article-header:hover { background: var(--bg-secondary); }
.article-title { font-size: 1.1rem; font-weight: 600; flex: 1; }
.article-meta { display: flex; align-items: center; gap: 1rem; flex-shrink: 0; }
.article-date { font-size: .85rem; color: var(--text-light); }
.article-chevron { font-size: .85rem; color: var(--text-light); transition: transform .3s ease; }
.article-item.active .article-chevron { transform: rotate(180deg); }
.article-body { max-height: 0; overflow: hidden; transition: max-height .4s ease; }
.article-item.active .article-body { max-height: 2000px; }
.article-body-inner { padding: 0 1.5rem 1.5rem; }
.article-content { color: var(--text-secondary); line-height: 1.8; margin-bottom: 1rem; }
.article-tags { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 1rem; }
.article-tag { background: color-mix(in srgb, var(--accent-1) 15%, transparent); color: var(--accent-1); padding: .25rem .75rem; border-radius: 20px; font-size: .8rem; font-weight: 500; }
.article-link { display: inline-flex; align-items: center; gap: .4rem; color: var(--accent-1); font-weight: 500; transition: var(--transition); }
.article-link:hover { color: var(--accent-1-hover); }

/* ===== PROJECTS GALLERY ===== */
.projects-grid { display: grid; grid-template-columns: repeat(auto-fill,minmax(340px,1fr)); gap: 2rem; }
.project-card {
  background: var(--bg-card); border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--border); box-shadow: var(--shadow); transition: var(--transition);
}
.project-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
.project-image { width: 100%; height: 220px; overflow: hidden; background: var(--bg-secondary); }
.project-image img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.project-card:hover .project-image img { transform: scale(1.05); }
.project-info { padding: 1.5rem; }
.project-title { font-size: 1.2rem; font-weight: 600; margin-bottom: .5rem; }
.project-description { color: var(--text-secondary); font-size: .95rem; line-height: 1.7; }
.project-date { display: block; font-size: .8rem; color: var(--text-light); margin-top: 1rem; }

/* ===== ABOUT PAGE ===== */
.about-container { max-width: 900px; margin: 0 auto; }
.about-hero { text-align: center; padding: 2rem 0 3rem; }
.about-avatar {
  width: 110px; height: 110px; border-radius: 50%; background: color-mix(in srgb, var(--accent-1) 18%, transparent);
  margin: 0 auto 1.5rem; display: flex; align-items: center; justify-content: center;
  font-size: 2.5rem; color: var(--accent-1); font-weight: 700;
}
.about-name { font-size: 2.2rem; font-weight: 700; margin-bottom: .4rem; }
.about-tagline { font-size: 1.1rem; color: var(--accent-1); font-weight: 500; margin-bottom: 1rem; }
.about-bio { font-size: 1.05rem; color: var(--text-secondary); line-height: 1.9; max-width: 700px; margin: 0 auto 3rem; }
.about-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 1.5rem; }
.about-card {
  background: var(--bg-card); border-radius: var(--radius); padding: 2rem;
  border: 1px solid var(--border); box-shadow: var(--shadow);
}
.about-card-icon { font-size: 1.5rem; margin-bottom: .75rem; }
.about-card-title { font-size: 1.15rem; font-weight: 600; margin-bottom: 1rem; }
.about-card-content { color: var(--text-secondary); line-height: 1.8; }
.skill-tags { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 1rem; }
.skill-tag { background: color-mix(in srgb, var(--accent-2) 18%, transparent); color: var(--accent-2); padding: .35rem 1rem; border-radius: 20px; font-size: .85rem; font-weight: 500; }
.experience-item { margin-bottom: .75rem; padding-left: 1rem; border-left: 2px solid var(--accent-3); }
.experience-title { font-weight: 600; color: var(--text-primary); font-size: .95rem; }
.experience-desc { font-size: .9rem; color: var(--text-secondary); }

/* ===== CONTACT PAGE ===== */
.contact-container { max-width: 700px; margin: 0 auto; }
.contact-card { background: var(--bg-card); border-radius: var(--radius); padding: 3rem; border: 1px solid var(--border); box-shadow: var(--shadow); }
.contact-intro { text-align: center; margin-bottom: 2.5rem; }
.contact-intro h2 { font-size: 1.8rem; font-weight: 700; margin-bottom: .5rem; }
.contact-intro p { color: var(--text-secondary); }
.contact-list { display: flex; flex-direction: column; }
.contact-item { display: flex; align-items: center; gap: 1.25rem; padding: 1.25rem; border-radius: var(--radius-sm); transition: background .2s ease; margin-bottom: .25rem; }
.contact-item:hover { background: var(--bg-secondary); }
.contact-icon {
  width: 50px; height: 50px; border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem; flex-shrink: 0;
}
.contact-icon.blue  { background: color-mix(in srgb, var(--accent-1) 18%, transparent); color: var(--accent-1); }
.contact-icon.green { background: color-mix(in srgb, var(--accent-2) 18%, transparent); color: var(--accent-2); }
.contact-icon.earth { background: color-mix(in srgb, var(--accent-3) 22%, transparent); color: var(--accent-3); }
.contact-text h3 { font-size: 1rem; font-weight: 600; margin-bottom: .1rem; }
.contact-text p, .contact-text a { color: var(--text-secondary); font-size: .95rem; }
.contact-text a:hover { color: var(--accent-1); }

/* ===== FOOTER ===== */
.footer { background: var(--bg-secondary); border-top: 1px solid var(--border); padding: 2rem; text-align: center; margin-top: auto; }
.footer p { color: var(--text-light); font-size: .9rem; }

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  padding: .75rem 1.5rem; border-radius: var(--radius-sm); font-family: inherit;
  font-size: .95rem; font-weight: 500; cursor: pointer; transition: var(--transition); border: none;
}
.btn-primary { background: var(--accent-1); color: #fff; }
.btn-primary:hover { background: var(--accent-1-hover); }
.btn-secondary { background: transparent; color: var(--text-secondary); border: 1px solid var(--border); }
.btn-secondary:hover { border-color: var(--accent-1); color: var(--accent-1); }
.btn-danger { background: transparent; color: var(--danger); border: 1px solid color-mix(in srgb, var(--danger) 25%, transparent); }
.btn-danger:hover { background: var(--danger); color: #fff; }
.btn-sm { padding: .45rem .9rem; font-size: .85rem; }

/* ===== EMPTY STATE ===== */
.empty-state { text-align: center; padding: 4rem 2rem; color: var(--text-light); }
.empty-state-icon { font-size: 3rem; margin-bottom: 1rem; }
.empty-state-text { font-size: 1.1rem; margin-bottom: .25rem; }
.empty-state-sub { font-size: .9rem; }

/* ===== MODAL ===== */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.4);
  backdrop-filter: blur(4px); display: flex; align-items: center; justify-content: center;
  z-index: 2000; opacity: 0; pointer-events: none; transition: opacity .3s ease;
}
.modal-overlay.active { opacity: 1; pointer-events: auto; }
.modal {
  background: var(--bg-card); border-radius: var(--radius); width: 94%; max-width: 600px;
  max-height: 90vh; overflow-y: auto; box-shadow: 0 20px 60px rgba(0,0,0,0.15);
}
.modal-header { display: flex; justify-content: space-between; align-items: center; padding: 1.5rem 2rem; border-bottom: 1px solid var(--border); }
.modal-title { font-size: 1.2rem; font-weight: 600; }
.modal-close { background: none; border: none; font-size: 1.5rem; cursor: pointer; color: var(--text-light); transition: var(--transition); }
.modal-close:hover { color: var(--text-primary); }
.modal-body { padding: 2rem; }
.modal-footer { display: flex; justify-content: flex-end; gap: 1rem; padding: 1.25rem 2rem; border-top: 1px solid var(--border); }

/* ===== ADMIN LOGIN ===== */
.admin-login-container { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: var(--bg-primary); padding: 2rem; }
.admin-login-card { background: var(--bg-card); border-radius: var(--radius); padding: 3rem; box-shadow: var(--shadow); width: 100%; max-width: 420px; border: 1px solid var(--border); }
.admin-login-title { font-size: 1.8rem; font-weight: 700; text-align: center; margin-bottom: .4rem; }
.admin-login-subtitle { text-align: center; color: var(--text-secondary); margin-bottom: 2rem; font-size: .95rem; }
.admin-input-group { margin-bottom: 1.5rem; }
.admin-input-group label { display: block; font-weight: 500; margin-bottom: .5rem; font-size: .9rem; color: var(--text-secondary); }
.admin-input {
  width: 100%; padding: .85rem 1rem; border: 1px solid var(--border); border-radius: var(--radius-sm);
  font-family: inherit; font-size: 1rem; transition: var(--transition); outline: none; background: var(--bg-primary);
}
.admin-input:focus { border-color: var(--accent-1); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent-1) 18%, transparent); }
.admin-error { color: var(--danger); font-size: .85rem; margin-top: .5rem; display: none; }

/* ===== ADMIN PANEL ===== */
.admin-panel-container { min-height: 100vh; background: var(--bg-primary); }
.admin-header { background: var(--bg-card); border-bottom: 1px solid var(--border); padding: 1rem 2rem; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: .75rem; }
.admin-header-title { font-size: 1.3rem; font-weight: 700; }
.admin-header-actions { display: flex; gap: .75rem; align-items: center; flex-wrap: wrap; }
.admin-tabs { display: flex; background: var(--bg-card); border-bottom: 1px solid var(--border); padding: 0 2rem; gap: .25rem; overflow-x: auto; }
.admin-tab { padding: 1rem 1.5rem; border: none; background: none; font-family: inherit; font-size: .95rem; font-weight: 500; color: var(--text-secondary); cursor: pointer; border-bottom: 2px solid transparent; transition: var(--transition); white-space: nowrap; }
.admin-tab:hover { color: var(--text-primary); }
.admin-tab.active { color: var(--accent-1); border-bottom-color: var(--accent-1); }
.admin-tab-content { padding: 2rem; max-width: 1000px; margin: 0 auto; }
.admin-tab-pane { display: none; }
.admin-tab-pane.active { display: block; }
.admin-section-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1.5rem; flex-wrap: wrap; gap: .75rem; }
.admin-section-title { font-size: 1.2rem; font-weight: 600; }

/* Admin Forms */
.admin-form { background: var(--bg-card); border-radius: var(--radius); padding: 2rem; border: 1px solid var(--border); margin-bottom: 2rem; }
.admin-form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.admin-form-group { margin-bottom: 1.25rem; }
.admin-form-label { display: block; font-weight: 500; margin-bottom: .4rem; font-size: .9rem; color: var(--text-secondary); }
.admin-form-input, .admin-form-textarea, .admin-form-select {
  width: 100%; padding: .85rem 1rem; border: 1px solid var(--border); border-radius: var(--radius-sm);
  font-family: inherit; font-size: .95rem; transition: var(--transition); outline: none; background: var(--bg-primary);
}
.admin-form-input:focus, .admin-form-textarea:focus, .admin-form-select:focus { border-color: var(--accent-1); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent-1) 18%, transparent); }
.admin-form-textarea { min-height: 120px; resize: vertical; }

/* Quill Editor Overrides */
.ql-toolbar { background: #f8f9fa; border-radius: var(--radius-sm) var(--radius-sm) 0 0; }
.ql-container { background: #ffffff; color: #000000; border-radius: 0 0 var(--radius-sm) var(--radius-sm); font-family: inherit !important; font-size: .95rem !important; }
.ql-editor { min-height: inherit; }

/* Admin Item List */
.admin-item-list { display: flex; flex-direction: column; gap: .75rem; }
.admin-item { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 1rem 1.25rem; display: flex; justify-content: space-between; align-items: center; transition: var(--transition); flex-wrap: wrap; gap: .5rem; }
.admin-item:hover { border-color: var(--accent-1-light); }
.admin-item-info { flex: 1; min-width: 200px; }
.admin-item-title { font-weight: 600; margin-bottom: .15rem; }
.admin-item-meta { font-size: .85rem; color: var(--text-light); }
.admin-item-actions { display: flex; gap: .5rem; }

/* ===== DRAG & DROP ===== */
.widget-sortable { min-height: 60px; }
.widget-sort-item {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-sm);
  padding: 1rem; margin-bottom: .75rem; cursor: grab; display: flex; align-items: center; gap: 1rem;
  transition: var(--transition); user-select: none;
}
.widget-sort-item:active { cursor: grabbing; }
.widget-sort-item.dragging { opacity: .45; border-style: dashed; }
.widget-sort-handle { color: var(--text-light); font-size: 1.4rem; cursor: grab; line-height: 1; }
.widget-sort-info { flex: 1; }
.widget-sort-title { font-weight: 600; font-size: .95rem; }
.widget-sort-meta { font-size: .8rem; color: var(--text-light); }

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--accent-4-light); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent-4); }

/* ===== RESPONSIVE ===== */
@media (max-width: 992px) {
  .widget-grid { grid-template-columns: repeat(2,1fr); }
  .widget-card.size-large { grid-column: span 2; }
  .projects-grid { grid-template-columns: repeat(auto-fill,minmax(280px,1fr)); }
}

@media (max-width: 768px) {
  .nav-menu {
    position: absolute; top: 70px; left: 0; right: 0; background: var(--bg-card);
    flex-direction: column; padding: 1rem; box-shadow: var(--shadow);
    transform: translateY(-120%); transition: transform .3s ease; z-index: 999;
  }
  .nav-menu.active { transform: translateY(0); }
  .nav-toggle { display: flex; }
  .hero-title { font-size: 2rem; }
  .hero-subtitle { font-size: 1rem; }
  .widget-grid { grid-template-columns: 1fr; }
  .widget-card.size-medium, .widget-card.size-large { grid-column: span 1; }
  .about-grid { grid-template-columns: 1fr; }
  .page-title { font-size: 2rem; }
  .admin-form-row { grid-template-columns: 1fr; }
  .admin-header { flex-direction: column; align-items: flex-start; }
  .admin-tabs { padding: 0 1rem; }
  .admin-tab-content { padding: 1.5rem 1rem; }
  .contact-card { padding: 2rem 1.5rem; }
}

@media (max-width: 480px) {
  .container { padding: 0 1rem; }
  .hero-section { padding: 3rem 1rem 2rem; }
  .hero-title { font-size: 1.7rem; }
  .nav-container { padding: 0 1rem; }
  .admin-header-actions { width: 100%; justify-content: flex-start; }
}
/* ===== DARK MODE ===== */
[data-theme="dark"] {
  --bg-primary: #121212 !important;
  --bg-secondary: #1E1E1E !important;
  --bg-card: #252525 !important;
  --text-primary: #E0E0E0 !important;
  --text-secondary: #A0A0A0 !important;
  --text-light: #777777 !important;
  --border: #333333 !important;
  --shadow: 0 2px 12px rgba(0,0,0,0.5) !important;
  --shadow-hover: 0 6px 24px rgba(0,0,0,0.7) !important;
}

/* Temalar arası yumuşak geçiş için */
body, .navbar, .widget-card, .project-card, .article-item, .admin-header, .admin-item {
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}
/* Dark mode aktifken navbar arka planı */
[data-theme="dark"] .navbar {
  background: rgba(30, 30, 30, 0.88);
}

/* Editor & Dynamic Image Constraints */
.ql-editor img, .widget-content img, .article-content img { max-width: 100%; height: auto; border-radius: 8px; }


/* ============================================
   THEME COMPATIBILITY OVERRIDES
   ============================================ */
/* Ensure all form inputs explicitly use theme text colors */
input, textarea, select, .admin-form-input, .admin-form-textarea, .admin-form-select, .admin-input {
  color: var(--text-primary) !important;
  background: var(--bg-primary) !important;
}
/* Ensure placeholders are visible but subdued */
input::placeholder, textarea::placeholder {
  color: var(--text-light) !important;
}

/* Quill Editor Theme Fixes */
.ql-toolbar {
  background: var(--bg-secondary) !important;
  border-color: var(--border) !important;
}
.ql-container {
  border-color: var(--border) !important;
  color: var(--text-primary) !important;
  background: var(--bg-primary) !important;
}
.ql-editor {
  color: var(--text-primary) !important;
}
/* Recolor Quill Icons for Dark/Custom themes */
.ql-snow .ql-stroke { stroke: var(--text-primary) !important; }
.ql-snow .ql-fill, .ql-snow .ql-stroke.ql-fill { fill: var(--text-primary) !important; }
.ql-snow .ql-picker { color: var(--text-primary) !important; }
.ql-snow .ql-picker-options { background-color: var(--bg-card) !important; border-color: var(--border) !important; }

/* Modals should always have correct text color */
.modal {
  color: var(--text-primary);
}