/* ============ e-dershanem - Arayüz ============ */
:root{
  /* Arayüz her zaman açık temalı tasarlandı — bunu belirtmezsek, işletim sistemi karanlık
     moddayken tarayıcı datalist/select gibi yerleşik (native) açılır listeleri karanlık
     arka planla ama sayfanın açık renk paletiyle karıştırıp okunaksız hale getirebiliyor. */
  color-scheme: light;
  --bg:#f4f6fb; --panel:#ffffff; --ink:#1e2233; --muted:#6b7280;
  --line:#e6e9f2; --brand:#4f46e5; --brand-2:#6366f1;
  --ok:#16a34a; --info:#0284c7; --danger:#dc2626; --warn:#d97706;
  --radius:12px; --shadow:0 1px 3px rgba(20,23,40,.06),0 6px 24px rgba(20,23,40,.05);
}
*{box-sizing:border-box}
body{margin:0;font-family:"Segoe UI",system-ui,-apple-system,Roboto,Arial,sans-serif;
  background:var(--bg);color:var(--ink);font-size:14px;line-height:1.5}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}

/* Layout */
.layout{display:flex;min-height:100vh}
.sidebar{width:238px;background:#111827;color:#cbd5e1;display:flex;flex-direction:column;
  position:sticky;top:0;height:100vh}
.brand{font-size:20px;font-weight:700;color:#fff;padding:20px 20px 16px}
.brand span{color:var(--brand-2);font-size:12px;vertical-align:super;margin-left:2px}
.kurum-logo-wrap{display:flex;justify-content:center;padding:0 20px 16px}
.kurum-logo-wrap img{max-width:100%;max-height:56px;border-radius:8px;background:#fff;padding:5px 10px}
.nav{flex:1;padding:6px}
.nav-item{display:flex;align-items:center;gap:10px;padding:11px 14px;border-radius:9px;
  color:#cbd5e1;font-weight:500;margin:2px 0}
.nav-item:hover{background:#1f2937;color:#fff;text-decoration:none}
.nav-item.active{background:var(--brand);color:#fff}
.nav-item .ic{width:20px;text-align:center}
.sidebar-foot{border-top:1px solid #1f2937;padding:14px;display:flex;
  align-items:center;justify-content:space-between;gap:8px}
.me-name{color:#fff;font-weight:600;font-size:13px}
.me-role{color:#94a3b8;font-size:11px}
.logout{color:#fca5a5;font-size:12px;font-weight:600}

.content{flex:1;min-width:0}
.topbar{background:var(--panel);border-bottom:1px solid var(--line);padding:16px 28px}
.topbar h1{margin:0;font-size:19px}
.container{padding:24px 28px;max-width:1180px}

/* Flash */
.flash{padding:12px 16px;border-radius:10px;margin-bottom:16px;font-weight:500}
.flash-success{background:#dcfce7;color:#166534}
.flash-error{background:#fee2e2;color:#991b1b}
.flash-info{background:#e0f2fe;color:#075985}

/* Cards / stats */
.grid{display:grid;gap:16px}
/* Grid öğeleri varsayılan min-width:auto ile içeriğinden dar olamaz ve
   taşmaya yol açar; 0 verilince 1fr gerçekten küçülür, tablolar kendi içinde kayar. */
.grid > *{min-width:0}
.stats{grid-template-columns:repeat(auto-fit,minmax(180px,1fr))}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:18px 20px}
.stat .num{font-size:28px;font-weight:700}
.stat .lbl{color:var(--muted);font-size:13px;margin-top:2px}
.stat .ic{font-size:22px;float:right;opacity:.85}

.card-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.card-head h2{font-size:16px;margin:0}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;background:var(--brand);color:#fff;
  border:none;padding:9px 16px;border-radius:9px;font-weight:600;cursor:pointer;font-size:13px;
  white-space:nowrap;line-height:1.2}
.btn:hover{background:#4338ca;text-decoration:none;color:#fff}
.btn-ghost{background:#eef2ff;color:var(--brand)}
.btn-ghost:hover{background:#e0e7ff;color:var(--brand)}
.btn-danger{background:var(--danger)}
.btn-danger:hover{background:#b91c1c}
.btn-sm{padding:6px 11px;font-size:12px}

/* Tables */
.table-wrap{overflow-x:auto}
table.tbl{width:100%;border-collapse:collapse;background:var(--panel)}
table.tbl th,table.tbl td{padding:11px 14px;text-align:left;border-bottom:1px solid var(--line)}
table.tbl th{background:#f8fafc;font-size:12px;text-transform:uppercase;letter-spacing:.03em;color:var(--muted)}
table.tbl tr:hover td{background:#fafbff}
/* Aksiyon hücresi: <td> olduğu için display:flex VERİLMEZ — tablo hizası bozulur.
   Aralık gap yerine margin ile verilir. */
.actions{white-space:nowrap;vertical-align:middle;padding-left:8px;padding-right:8px;text-align:right}
.actions > *{vertical-align:middle}
.actions > * + *{margin-left:6px}

/* Badges */
.badge{display:inline-block;padding:3px 9px;border-radius:20px;font-size:11px;font-weight:700}
.badge-ok{background:#dcfce7;color:#166534}
.badge-info{background:#e0f2fe;color:#075985}
.badge-muted{background:#eef1f6;color:#475569}
.badge-danger{background:#fee2e2;color:#991b1b}

/* Forms */
.form{max-width:720px}
.form-row{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.field{margin-bottom:14px}
.field label{display:block;font-weight:600;margin-bottom:5px;font-size:13px}
.field input,.field select,.field textarea{width:100%;padding:9px 11px;border:1px solid var(--line);
  border-radius:9px;font-size:14px;font-family:inherit;background:#fff}
.field input:focus,.field select:focus,.field textarea:focus{outline:2px solid var(--brand-2);border-color:transparent}
.field textarea{min-height:84px;resize:vertical}
.field .hint{color:var(--muted);font-size:12px;margin-top:3px}
.form-actions{display:flex;gap:10px;margin-top:8px}

/* Auth */
.auth-wrap{min-height:100vh;display:grid;place-items:center;
  background:linear-gradient(135deg,#4f46e5,#7c3aed)}
.auth-card{background:#fff;padding:34px 32px;border-radius:16px;width:360px;box-shadow:0 20px 50px rgba(0,0,0,.25)}
.auth-card h1{margin:0 0 4px;font-size:22px}
.auth-card p.sub{margin:0 0 22px;color:var(--muted)}

.muted{color:var(--muted)}
.right{text-align:right}
.mt{margin-top:18px}
.empty{padding:40px;text-align:center;color:var(--muted)}
.chips{display:flex;gap:6px;flex-wrap:wrap}
.chip{background:#eef2ff;color:var(--brand);padding:3px 10px;border-radius:20px;font-size:12px;font-weight:600}

/* ---- Mobil kenar menü: hamburger ile açılan tam ekran kaydırmalı panel ---- */
.menu-btn{display:none;background:none;border:1px solid var(--line);border-radius:8px;
  padding:4px 10px;cursor:pointer;font-size:1.1em;color:var(--ink);line-height:1.5}
.sidebar-perde{display:none;position:fixed;inset:0;background:rgba(20,23,40,.45);z-index:998}
@media(max-width:820px){
  .menu-btn{display:inline-block}
  .sidebar{position:fixed;top:0;left:0;width:78vw;max-width:280px;height:100vh;z-index:999;
    transform:translateX(-100%);transition:transform .2s ease;box-shadow:0 0 0 rgba(0,0,0,0)}
  .sidebar.acik{transform:translateX(0);box-shadow:8px 0 24px rgba(0,0,0,.18)}
  .sidebar-perde.acik{display:block}
  .brand,.me,.nav-item span:not(.ic),.logout{display:block}
  .nav-item{justify-content:flex-start}
  .form-row{grid-template-columns:1fr}
  .group-grid{grid-template-columns:1fr}
  /* Modül sayfalarında satır içi "1fr 340px" gibi sabit genişlikli ikinci sütunlar
     dar ekranda taşıyordu (yatay kaydırma, kesilen form/buton) — tek sütuna indir. */
  .grid{grid-template-columns:1fr!important}
  .container{padding:16px}
  .topbar{padding:14px 16px}
  .sablon-grid{grid-template-columns:1fr!important}
}
html,body{overflow-x:hidden}

/* ---- Gruplar ---- */
.group-grid{display:grid;gap:16px;grid-template-columns:repeat(auto-fill,minmax(300px,1fr))}
.group-card{position:relative;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:18px 20px 16px;overflow:hidden;transition:box-shadow .15s,transform .15s;display:flex;flex-direction:column;gap:12px}
.group-card:hover{box-shadow:0 4px 12px rgba(20,23,40,.10),0 12px 32px rgba(20,23,40,.08);transform:translateY(-2px)}
.group-card .accent{position:absolute;top:0;left:0;width:100%;height:4px}
.group-card .g-title{display:flex;align-items:center;gap:8px;font-size:16px;font-weight:700}
.group-card .g-meta{display:flex;flex-direction:column;gap:5px;color:var(--muted);font-size:13px}
.group-card .g-meta .row{display:flex;align-items:center;gap:7px}
.group-card .g-foot{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:12px;border-top:1px solid var(--line)}
.group-card.pasif{opacity:.62}

.meter{height:7px;border-radius:20px;background:#eef1f6;overflow:hidden}
.meter > i{display:block;height:100%;border-radius:20px;transition:width .3s}
.meter-lbl{font-size:12px;color:var(--muted);margin-top:5px;display:flex;justify-content:space-between}

.avatar{width:32px;height:32px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:700;color:#fff;flex-shrink:0}

.dot{display:inline-block;width:10px;height:10px;border-radius:50%;flex-shrink:0}
.day-chip{display:inline-block;padding:2px 9px;border-radius:20px;font-size:11px;font-weight:600;
  background:#eef2ff;color:var(--brand)}
.day-chip.off{background:#f1f3f8;color:#aab1c2}

/* Öğrenci seçici (toplu ekleme) */
.picker{border:1px solid var(--line);border-radius:10px;max-height:280px;overflow-y:auto;background:#fbfcfe}
.picker label{display:flex;align-items:center;gap:10px;padding:9px 12px;border-bottom:1px solid var(--line);
  cursor:pointer;font-size:14px;transition:background .1s}
.picker label:last-child{border-bottom:none}
.picker label:hover{background:#eef2ff}
.picker input:checked + .avatar + span{font-weight:600;color:var(--brand)}
.picker-bar{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:8px;flex-wrap:wrap}
.pill-count{background:var(--brand);color:#fff;border-radius:20px;padding:2px 11px;font-size:12px;font-weight:700}

/* ---- Sekmeler ---- */
.tabs{display:flex;gap:4px;margin-bottom:18px;border-bottom:1px solid var(--line);flex-wrap:wrap}
.tab{padding:9px 16px;font-size:14px;font-weight:600;color:var(--muted);border-bottom:2px solid transparent;
  margin-bottom:-1px;transition:color .15s,border-color .15s}
.tab:hover{color:var(--ink);text-decoration:none}
.tab.active{color:var(--brand);border-bottom-color:var(--brand)}

/* ---- Radio kart seçimi (seans tipi vb.) ---- */
.secim-grup{display:flex;gap:10px;flex-wrap:wrap;margin-top:2px}
/* Not: seçiciler `.field label` (0-1-1) kuralını yenecek özgüllükte olmalı */
.secim-grup label.secim-kart{
  display:inline-flex;align-items:center;gap:8px;
  margin:0;                                  /* .field label'ın margin-bottom'unu sıfırla */
  padding:10px 16px;border:1px solid var(--line);border-radius:10px;
  background:#fff;cursor:pointer;font-size:14px;font-weight:500;color:var(--ink);
  line-height:1;transition:border-color .15s,background .15s,box-shadow .15s
}
.secim-grup label.secim-kart:hover{border-color:var(--brand-2);background:#fafbff}
/* .field input{width:100%} kuralını ez — radio gerilmesin */
.secim-grup label.secim-kart input[type=radio]{
  width:16px;height:16px;min-width:16px;margin:0;padding:0;flex-shrink:0;
  accent-color:var(--brand);cursor:pointer
}
.secim-grup label.secim-kart .ikon{font-size:16px;line-height:1;display:block}
.secim-grup label.secim-kart .metin{line-height:1;display:block}
.secim-grup label.secim-kart:has(input:checked){
  border-color:var(--brand);background:#eef2ff;color:var(--brand);
  box-shadow:0 0 0 1px var(--brand) inset
}

/* ---- Haftalık program şablonu ---- */
.sablon-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.sablon-hucre{border:1px solid var(--line);border-radius:10px;overflow:hidden;background:#fff;display:flex;flex-direction:column}
.sablon-hucre label{display:block;background:#f1f3f9;color:var(--ink);font-weight:700;font-size:11.5px;
  letter-spacing:.02em;padding:8px 10px;margin:0;border-bottom:1px solid var(--line)}
.sablon-hucre textarea{border:none;border-radius:0;resize:vertical;font-size:13px;padding:9px 10px;
  min-height:auto;font-family:inherit;line-height:1.45;width:100%;background:#fff}
.sablon-hucre textarea:focus{outline:2px solid var(--brand-2);outline-offset:-2px}
.sablon-hucre.pazar label{background:#fef2f2;color:#b91c1c}
.sablon-hucre .sabit-kaynak{border:none;border-bottom:1px dashed #fca5a5;border-radius:0;
  font-size:12.5px;font-weight:700;color:#b91c1c;padding:6px 10px;background:#fffafa;width:100%;text-align:center}
.sablon-hucre .sabit-kaynak::placeholder{color:#d6a6a6;font-weight:500}
.sablon-hucre .sabit-kaynak:focus{outline:2px solid #fca5a5;outline-offset:-2px}
.sablon-hucre.okuma .icerik{padding:9px 10px;font-size:13px;line-height:1.5;white-space:pre-wrap;flex:1}

@media(max-width:900px){ .sablon-grid{grid-template-columns:1fr} }

/* Yazdırma: sadece program içeriği */
@media print{
  .sidebar,.topbar,.tabs,.btn,.form-actions,.flash{display:none!important}
  .container{padding:0;max-width:none}
  .card{box-shadow:none;border:none;padding:0 0 12px}
  .sablon-grid{gap:6px}
  .sablon-hucre{break-inside:avoid}
}

/* ---- Program yazdırma çıktısı: A4 yatay form (referans şablon) ----
   Sol yarı: ADI SOYADI + 4×3 ders ızgarası · Sağ yarı: TARİH + gün ızgarası.
   Başlıklar bordürlü hücre satırı; içerik hücreleri eşit yükseklikli. */
.prog-yazdir{--pf:12px;background:#fff;color:#000}
.prog-yazdir.olcum{width:1048px;position:relative}   /* JS ölçüm: yazdırma genişliği */
.prog-govde{display:flex;align-items:stretch}
.prog-yarim{flex:1;min-width:0;padding:0 12px}
.prog-yarim:first-child{padding-left:0}
.prog-yarim+.prog-yarim{border-left:1.5px solid #444;padding-right:0}
.prog-ust{font-weight:800;font-size:calc(var(--pf) + 1px);margin:0 0 6px;letter-spacing:.01em}
.prog-tablo{border-collapse:collapse;width:100%;table-layout:fixed}
.prog-tablo th{border:1.5px solid #333;font-weight:800;text-align:center;
  font-size:var(--pf);padding:3px 4px;background:#fff}
.prog-tablo td{border:1.5px solid #333;vertical-align:top;text-align:left;
  font-size:var(--pf);font-weight:600;padding:4px 6px;line-height:1.35;word-break:break-word}
.prog-tablo td.h-ders{height:118px}
.prog-tablo td.h-gun{height:205px}
.prog-tablo td.h-pazar{height:150px}
.prog-tablo td.notlar{font-weight:600}
.prog-tablo .sabit-k{color:#b91c1c;font-weight:800;text-align:center;
  border-bottom:1px solid #b91c1c;padding-bottom:1px;margin:0 auto 3px;width:max-content;max-width:100%}
.prog-tablo tr{break-inside:avoid;page-break-inside:avoid}

.satir-satiri{display:flex;align-items:flex-start;gap:5px;margin-bottom:2px}
.satir-metni{flex:1;min-width:0}
.tik{flex:none;width:11px;height:11px;border-radius:50%;margin-top:3px;padding:0;border:1px solid rgba(0,0,0,.25)}
button.tik{cursor:pointer}
button.tik:hover{filter:brightness(1.15);transform:scale(1.15)}
.tik-kirmizi{background:#ef4444}
.tik-sari{background:#f59e0b}
.tik-yesil{background:#22c55e}

@page{size:A4 landscape;margin:10mm}
@media print{
  .prog-yazdir{--pf:12px}
  .tik{display:none}
  .satir-satiri{display:block}
}

/* ---- Haftalık takip ızgarası ---- */
.takip-grid th{text-align:center;white-space:nowrap}
.takip-grid th:first-child{text-align:left}
.takip-grid td{text-align:center;padding:6px 8px;vertical-align:middle}
.takip-grid td:first-child{text-align:left}
.takip-grid th.bugun{background:#eef2ff;color:var(--brand)}
.tk-cell{cursor:pointer}
.tk-cell.bugun{background:rgba(79,70,229,.05)}
.tk{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;
  border:1px solid var(--line);border-radius:8px;font-size:15px;font-weight:700;cursor:pointer;
  background:#fff;color:var(--muted);line-height:1;transition:transform .08s,background .12s,border-color .12s}
.tk-cell:hover .tk{transform:scale(1.12);border-color:var(--brand-2)}
.tk.tk-tamam  {background:#dcfce7;border-color:#86efac;color:#166534}
.tk.tk-gelmedi{background:#fee2e2;border-color:#fca5a5;color:#991b1b}
.tk.tk-plan   {background:#e0f2fe;border-color:#7dd3fc;color:#075985}
.tk.tk-bos    {background:#fafbfc;color:#cbd5e1;cursor:default}
/* boş (planlanmamış) hücreler tıklanamaz — hover büyümesi olmasın */
td:not(.tk-cell) .tk-bos{pointer-events:none}
/* açıklama satırındaki mini örnekler tıklanmasın */
.card .tk{width:22px;height:22px;font-size:12px;pointer-events:none}