/* ============================================================
   EĞİTİM PORTALI — TEMA SİSTEMİ
   Dark/Light toggle admin panelden çalışır
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

/* ── DARK TEMA DEĞİŞKENLERİ (varsayılan) ── */
:root {
  --orange:       #f97316;
  --orange-d:     #ea6c0a;
  --orange-glow:  rgba(249,115,22,.25);
  --green:        #22c55e;
  --blue:         #3b82f6;
  --yellow:       #eab308;
  --red:          #ef4444;
  --cyan:         #06b6d4;

  /* Yüzeyler — DARK */
  --bg:           #1e1e1e;
  --bg2:          #272727;
  --bg3:          #2f2f2f;
  --bg4:          #383838;
  --border:       #333333;
  --border2:      #424242;

  /* Metinler — DARK */
  --text:         #f1f5f9;
  --text2:        #94a3b8;
  --text3:        #64748b;

  /* Navbar — DARK */
  --nav-bg:       rgba(22,22,22,.98);
  --nav-border:   #333;

  /* Kart — DARK */
  --card-bg:      #272727;
  --card-border:  #333333;

  /* Footer/sidebar — DARK */
  --footer-bg:    #181818;
  --sidebar-bg:   #181818;

  /* Scrollbar */
  --sb-thumb:     #3a3a3a;

  /* Dropdown hover */
  --dd-hover:     rgba(255,255,255,.05);

  /* Input */
  --input-bg:     #2f2f2f;
  --input-border: #424242;

  /* Diğer */
  --r:    10px;
  --r2:   14px;
  --r3:   18px;
}

/* ── LIGHT TEMA DEĞİŞKENLERİ ── */
html.theme-light {
  --bg:           #f4f5f7;
  --bg2:          #ffffff;
  --bg3:          #f1f3f5;
  --bg4:          #e9ecef;
  --border:       #e2e8f0;
  --border2:      #cbd5e1;

  --text:         #1e293b;
  --text2:        #475569;
  --text3:        #94a3b8;

  --nav-bg:       rgba(255,255,255,.97);
  --nav-border:   #e2e8f0;

  --card-bg:      #ffffff;
  --card-border:  #e2e8f0;

  --footer-bg:    #1e293b;
  --sidebar-bg:   #1e293b;

  --sb-thumb:     #cbd5e1;

  --dd-hover:     #f8fafc;

  --input-bg:     #ffffff;
  --input-border: #cbd5e1;
}

/* ── RESET ── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',system-ui,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:15px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  transition:background .3s, color .3s;
  display:flex;
  flex-direction:column;
  min-height:100vh;
}
main{
  flex:1;
}

/* Scrollbar */
::-webkit-scrollbar{width:5px}
::-webkit-scrollbar-track{background:var(--bg)}
::-webkit-scrollbar-thumb{background:var(--sb-thumb);border-radius:99px}
::-webkit-scrollbar-thumb:hover{background:var(--orange)}

/* ── NAVBAR ── */
.navbar{
  background:var(--nav-bg)!important;
  border-bottom:1px solid var(--nav-border)!important;
  padding:.7rem 0;
  position:sticky;top:0;z-index:1000;
  backdrop-filter:blur(20px);
}
.navbar-brand{text-decoration:none}
.nav-link{color:var(--text2)!important;font-size:.875rem;font-weight:500;padding:.5rem .9rem!important;border-radius:var(--r);transition:color .15s}
.nav-link:hover,.nav-link.active{color:var(--orange)!important}
.nav-link.active{position:relative}
.nav-link.active::after{content:'';position:absolute;bottom:-4px;left:50%;transform:translateX(-50%);width:18px;height:2px;background:var(--orange);border-radius:2px}
.navbar-toggler{border:1px solid var(--border2)!important}

/* Light temada toggler ikonunu karart */
html.theme-light .navbar-toggler-icon{filter:none}
html.theme-dark .navbar-toggler-icon,
.navbar-toggler-icon{filter:invert(1) brightness(.6)}

.dropdown-menu{background:var(--bg2);border:1px solid var(--border2);border-radius:var(--r2);box-shadow:0 16px 40px rgba(0,0,0,.15);padding:.4rem}
.dropdown-item{color:var(--text2);border-radius:var(--r);font-size:.875rem;padding:.5rem .9rem}
.dropdown-item:hover{background:var(--dd-hover);color:var(--text)}

/* ── BUTONLAR ── */
.btn{font-weight:600;font-size:.875rem;border-radius:var(--r);padding:.55rem 1.2rem;transition:all .18s;border:none;display:inline-flex;align-items:center;gap:.4rem;cursor:pointer}
.btn-orange{background:var(--orange);color:#fff;box-shadow:0 4px 14px var(--orange-glow)}
.btn-orange:hover{background:var(--orange-d);transform:translateY(-1px);color:#fff}
.btn-ghost-nav{background:transparent;border:1.5px solid var(--border2);color:var(--text2)}
.btn-ghost-nav:hover{border-color:var(--text2);color:var(--text)}
.btn-primary{background:var(--orange)!important;border-color:var(--orange)!important;color:#fff!important}
.btn-primary:hover{background:var(--orange-d)!important;transform:translateY(-1px)}
.btn-success{background:#16a34a!important;border-color:#16a34a!important;color:#fff!important}
.btn-danger{background:#dc2626!important;border-color:#dc2626!important;color:#fff!important}
.btn-warning{background:#d97706!important;border-color:#d97706!important;color:#fff!important}
.btn-secondary{background:var(--bg4)!important;border-color:var(--border2)!important;color:var(--text2)!important}
.btn-outline-secondary{border:1.5px solid var(--border2)!important;color:var(--text2)!important;background:transparent!important}
.btn-outline-secondary:hover{border-color:var(--text2)!important;color:var(--text)!important}
.btn-sm{padding:.32rem .7rem;font-size:.78rem}
.btn-lg{padding:.75rem 1.8rem;font-size:.95rem}
.btn-dl{background:rgba(249,115,22,.1);border:1px solid rgba(249,115,22,.2);color:#fb923c;border-radius:var(--r);padding:.28rem .75rem;font-size:.72rem;font-weight:700;display:inline-flex;align-items:center;gap:.3rem;transition:all .15s;text-decoration:none}
.btn-dl:hover{background:var(--orange);color:#fff;border-color:var(--orange)}
.btn-close-light{filter:none!important}
html.theme-light .btn-close{filter:none}
html.theme-dark  .btn-close,.btn-close{filter:invert(1) brightness(.6)}

/* ── KARTLAR ── */
.card{background:var(--card-bg)!important;border:1px solid var(--card-border)!important;border-radius:var(--r2)!important;transition:border-color .18s,transform .18s}
.card:hover{border-color:var(--border2)!important}
.card-body{color:var(--text2)}
.card-title,h1,h2,h3,h4,h5,h6{color:var(--text)}
.card-header{background:var(--bg3)!important;border-bottom:1px solid var(--border)!important;color:var(--text)!important}
.card-footer{background:var(--bg3)!important;border-top:1px solid var(--border)!important}
p{color:var(--text2)}
small{color:var(--text3)}
.text-muted{color:var(--text3)!important}
.text-secondary{color:var(--text2)!important}

/* ── FORMLAR ── */
.form-control,.form-select{background:var(--input-bg)!important;border:1.5px solid var(--input-border)!important;color:var(--text)!important;border-radius:var(--r)!important}
.form-control:focus,.form-select:focus{border-color:var(--orange)!important;box-shadow:0 0 0 3px rgba(249,115,22,.15)!important;background:var(--input-bg)!important;color:var(--text)!important}
.form-control::placeholder{color:var(--text3)!important}
.form-select option{background:var(--bg2);color:var(--text)}
.form-label{color:var(--text2);font-weight:600;font-size:.82rem}
.form-check-label{color:var(--text2)}
.form-check-input{background-color:var(--input-bg)!important;border-color:var(--border2)!important}
.form-check-input:checked{background-color:var(--orange)!important;border-color:var(--orange)!important}
.input-group-text{background:var(--bg3)!important;border:1.5px solid var(--input-border)!important;color:var(--text3)!important}

/* ── TABLOLAR ── */
.table{color:var(--text2);font-size:.875rem;--bs-table-bg:transparent}
.table thead th{background:var(--bg3)!important;color:var(--text3)!important;font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;border-color:var(--border)!important;white-space:nowrap}
.table tbody td{border-color:var(--border)!important;vertical-align:middle;color:var(--text2)}
.table tbody tr:hover td{background:var(--bg3)!important;color:var(--text)}
.table-striped tbody tr:nth-of-type(odd){background:var(--bg3)!important}

/* ── BADGE & ALERT ── */
.badge{font-weight:700;font-size:.7rem;border-radius:6px;padding:.3em .65em}
.bg-primary{background:var(--orange)!important;color:#fff!important}
.bg-success{background:#16a34a!important}
.bg-danger{background:#dc2626!important}
.bg-warning{background:#d97706!important;color:#fff!important}
.bg-info{background:#0891b2!important}
.bg-secondary{background:var(--bg4)!important;color:var(--text2)!important}

.alert{border-radius:var(--r2);font-size:.875rem;font-weight:500;border:none}
html.theme-light .alert-success{background:#f0fdf4!important;color:#166534!important;border:1px solid #bbf7d0!important}
html.theme-light .alert-danger {background:#fef2f2!important;color:#991b1b!important;border:1px solid #fecaca!important}
html.theme-light .alert-warning{background:#fffbeb!important;color:#92400e!important;border:1px solid #fde68a!important}
html.theme-light .alert-info   {background:#fff7ed!important;color:#9a3412!important;border:1px solid #fed7aa!important}
html.theme-dark  .alert-success,.alert-success{background:rgba(34,197,94,.1)!important;color:#4ade80!important;border:1px solid rgba(34,197,94,.2)!important}
html.theme-dark  .alert-danger ,.alert-danger {background:rgba(239,68,68,.1)!important;color:#f87171!important;border:1px solid rgba(239,68,68,.2)!important}
html.theme-dark  .alert-warning,.alert-warning{background:rgba(217,119,6,.1)!important;color:#fbbf24!important;border:1px solid rgba(217,119,6,.2)!important}
html.theme-dark  .alert-info   ,.alert-info   {background:rgba(249,115,22,.1)!important;color:#fb923c!important;border:1px solid rgba(249,115,22,.2)!important}

/* ── MODAL ── */
.modal-content{background:var(--bg2);border:1px solid var(--border2);border-radius:var(--r3);color:var(--text)}
.modal-header{border-bottom:1px solid var(--border);color:var(--text)}
.modal-footer{border-top:1px solid var(--border)}
.modal-title{color:var(--text)}
.modal-backdrop{background:rgba(0,0,0,.5)!important}

/* ── DROPDOWN ── */
.dropdown-divider{border-color:var(--border)}

/* ── PAGİNASYON ── */
.page-link{background:var(--bg2);border-color:var(--border);color:var(--text2)}
.page-link:hover{background:var(--bg3);color:var(--orange);border-color:var(--orange)}
.page-item.active .page-link{background:var(--orange);border-color:var(--orange);color:#fff}
.page-item.disabled .page-link{background:var(--bg2);color:var(--text3)}

/* ── LIST GROUP ── */
.list-group-item{background:var(--bg2);border-color:var(--border);color:var(--text2)}
.list-group-item:hover{background:var(--bg3);color:var(--text)}
.list-group-item.active{background:var(--orange);border-color:var(--orange);color:#fff}

/* ── ADMİN LAYOUT ── */
.admin-topbar{background:var(--nav-bg);border-bottom:1px solid var(--nav-border);height:56px;display:flex;align-items:center;justify-content:space-between;padding:0 1.5rem;position:sticky;top:0;z-index:100}
.admin-brand{font-size:1rem;font-weight:800;color:var(--orange);display:flex;align-items:center;gap:.4rem;text-decoration:none}
.admin-wrap{display:flex;min-height:100vh}
.admin-sidebar{width:240px;flex-shrink:0;background:var(--sidebar-bg);padding:1.25rem;position:sticky;top:0;height:100vh;overflow-y:auto;border-right:1px solid var(--border)}
.sidebar-section{font-size:.65rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:#4a5568;padding:1rem .5rem .35rem}
.admin-sidebar .nav-link{color:#94a3b8!important;border-radius:var(--r);margin-bottom:2px;display:flex;align-items:center;gap:.6rem;font-size:.875rem!important;font-weight:500!important;padding:.6rem .85rem!important;transition:background .15s,color .15s}
.admin-sidebar .nav-link:hover{background:rgba(255,255,255,.06);color:#fff!important}
.admin-sidebar .nav-link.active-link{background:var(--orange);color:#fff!important}
.admin-sidebar .nav-link i{width:18px;text-align:center;font-size:.95rem}
.admin-content{flex:1;padding:2rem;background:var(--bg);min-width:0}

/* ── AVATAR ── */
.avatar-circle{width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,#c2550d,var(--orange));color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.85rem;flex-shrink:0}

/* ── FOOTER ── */
footer{background:var(--footer-bg)!important;border-top:1px solid var(--border)}

/* ── NAV SEARCH ── */
.nav-search-btn{width:34px;height:34px;background:var(--bg3);border:1px solid var(--border2);border-radius:8px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .15s}
.nav-search-btn:hover{border-color:var(--orange)}

/* ── SCROLL TO TOP ── */
#scrollTopBtn:hover{background:#ea6c0a;transform:translateY(-2px)!important}

/* ── ANİMASYONLAR ── */
@keyframes pulse  {0%,100%{opacity:1;box-shadow:0 0 0 0 rgba(249,115,22,.7)}50%{opacity:.7;box-shadow:0 0 0 6px rgba(249,115,22,0)}}
@keyframes floatY {0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}

/* ── RESPONSİVE ── */
@media(max-width:768px){.admin-sidebar{display:none}}

/* ============================================================
   AÇIK TEMA — Inline style override (data-tema="light")
   Tüm hardcoded dark renkleri ezer
   ============================================================ */

html[data-tema="light"] body { background:#f4f5f7 !important; color:#1e293b !important; }

/* Tüm koyu arka plan renklerini beyaza çevir */
html[data-tema="light"] section,
html[data-tema="light"] main,
html[data-tema="light"] div:not(.admin-sidebar):not(#scrollTopBtn):not([style*="background:linear-gradient"]):not([style*="background:rgba(249"]):not([style*="background:rgba(59"]):not([style*="background:rgba(234"]):not([style*="background:rgba(34"]) {
  color: #1e293b;
}

/* Hardcoded dark section arka planları */
html[data-tema="light"] section[style*="background:#"] {
  background: #f4f5f7 !important;
}
html[data-tema="light"] section[style*="background:var(--bg)"] {
  background: #f4f5f7 !important;
}
html[data-tema="light"] section[style*="background:#0d0d0d"],
html[data-tema="light"] section[style*="background:#141414"],
html[data-tema="light"] section[style*="background:#080808"],
html[data-tema="light"] section[style*="background:#0a0a0a"],
html[data-tema="light"] section[style*="background:#282828"],
html[data-tema="light"] section[style*="background:#272727"],
html[data-tema="light"] section[style*="background:#1e1e1e"] {
  background: #f4f5f7 !important;
}

/* Div içi dark arka planlar */
html[data-tema="light"] div[style*="background:#111"],
html[data-tema="light"] div[style*="background:#1c1c"],
html[data-tema="light"] div[style*="background:#272"],
html[data-tema="light"] div[style*="background:#222"],
html[data-tema="light"] div[style*="background:#2d2"],
html[data-tema="light"] div[style*="background:#161616"],
html[data-tema="light"] div[style*="background:#1a1a1a"],
html[data-tema="light"] div[style*="background:#282828"],
html[data-tema="light"] div[style*="background:var(--bg2)"],
html[data-tema="light"] div[style*="background:var(--bg3)"] {
  background: #ffffff !important;
  border-color: #e2e8f0 !important;
}

/* Yazı renkleri — beyaz yazıları karart */
html[data-tema="light"] [style*="color:#fff"],
html[data-tema="light"] [style*="color:#f5f5f5"],
html[data-tema="light"] [style*="color:#f1f5f9"],
html[data-tema="light"] [style*="color:#e4e4e7"],
html[data-tema="light"] [style*="color:#e2e8f0"],
html[data-tema="light"] [style*="color:#d4d4d8"] {
  color: #1e293b !important;
}
html[data-tema="light"] [style*="color:#a1a1aa"],
html[data-tema="light"] [style*="color:#94a3b8"],
html[data-tema="light"] [style*="color:var(--text2)"] {
  color: #475569 !important;
}
html[data-tema="light"] [style*="color:#52525b"],
html[data-tema="light"] [style*="color:#71717a"],
html[data-tema="light"] [style*="color:var(--text3)"] {
  color: #94a3b8 !important;
}
html[data-tema="light"] [style*="color:rgba(255,255,255,.5)"],
html[data-tema="light"] [style*="color:rgba(255,255,255,.4)"],
html[data-tema="light"] [style*="color:rgba(255,255,255,.6)"],
html[data-tema="light"] [style*="color:rgba(255,255,255,.7)"] {
  color: #64748b !important;
}

/* İstatistik rakamları */
html[data-tema="light"] [style*="color:#fff"][style*="font-weight:900"],
html[data-tema="light"] [style*="color:#fff"][style*="letter-spacing:-1.5px"] {
  color: #0f172a !important;
}

/* Kenarlıklar */
html[data-tema="light"] [style*="border:1px solid #333"],
html[data-tema="light"] [style*="border:1px solid #363636"],
html[data-tema="light"] [style*="border:1px solid #2a2a2a"],
html[data-tema="light"] [style*="border:1px solid var(--border)"] {
  border-color: #e2e8f0 !important;
}

/* Scrollbar */
html[data-tema="light"] ::-webkit-scrollbar-thumb { background: #cbd5e1 !important; }

/* Form alanları */
html[data-tema="light"] .form-control,
html[data-tema="light"] .form-select,
html[data-tema="light"] textarea {
  background: #fff !important;
  border-color: #cbd5e1 !important;
  color: #1e293b !important;
}
html[data-tema="light"] .form-control::placeholder { color: #94a3b8 !important; }

/* Tablolar */
html[data-tema="light"] .table thead th { background: #f8fafc !important; color: #64748b !important; border-color: #e2e8f0 !important; }
html[data-tema="light"] .table tbody td { color: #334155 !important; border-color: #f1f5f9 !important; }
html[data-tema="light"] .table tbody tr:hover td { background: #f8fafc !important; }

/* Alertler */
html[data-tema="light"] .alert-success { background: #f0fdf4 !important; color: #166534 !important; border-color: #bbf7d0 !important; }
html[data-tema="light"] .alert-danger  { background: #fef2f2 !important; color: #991b1b !important; border-color: #fecaca !important; }
html[data-tema="light"] .alert-warning { background: #fffbeb !important; color: #92400e !important; border-color: #fde68a !important; }

/* Modal */
html[data-tema="light"] .modal-content { background: #ffffff !important; border-color: #e2e8f0 !important; }

/* List group */
html[data-tema="light"] .list-group-item { background: #fff !important; border-color: #e2e8f0 !important; color: #334155 !important; }

/* Dosya/duyuru satır hover */
html[data-tema="light"] [onmouseenter*="rgba(255,255,255,.02)"] {
  background: transparent;
}