/* BilsemEdu — stil */
:root {
  --bg: #f5f7fb;
  --surface: #ffffff;
  --surface-2: #f0f3f9;
  --border: #e3e8f0;
  --text: #16213a;
  --muted: #5b6b85;
  --accent: #0a2364;
  --accent-soft: #e6ecf8;
  --teal: #018081;
  --ok: #16a34a;
  --warn: #d97706;
  --danger: #dc2626;
  --shadow: 0 1px 2px rgba(16, 24, 40, .05), 0 8px 24px -12px rgba(16, 24, 40, .18);
  --radius: 14px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "Cascadia Code", Consolas, "SF Mono", Menlo, monospace;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0f1420; --surface: #171d2c; --surface-2: #1f2637; --border: #2a3245;
    --text: #e8ecf5; --muted: #9aa7bf; --accent: #7cc4ff; --accent-soft: #1b2a4a; --teal: #2fb8b3;
    --shadow: 0 1px 2px rgba(0,0,0,.4), 0 10px 30px -14px rgba(0,0,0,.7);
  }
  /* Genel .brand .logo-dark { display:none } kuralından sonra geldiği için özgüllük artırılmalı */
  :root:not([data-theme="light"]) .brand .logo-light { display: none; }
  :root:not([data-theme="light"]) .brand .logo-dark { display: block; }
}
:root[data-theme="dark"] {
  --bg: #0f1420; --surface: #171d2c; --surface-2: #1f2637; --border: #2a3245;
  --text: #e8ecf5; --muted: #9aa7bf; --accent: #7cc4ff; --accent-soft: #1b2a4a; --teal: #2fb8b3;
  --shadow: 0 1px 2px rgba(0,0,0,.4), 0 10px 30px -14px rgba(0,0,0,.7);
}
:root[data-theme="dark"] .brand .logo-light { display: none; }
:root[data-theme="dark"] .brand .logo-dark { display: block; }

* { box-sizing: border-box; }
html { color-scheme: light dark; }
body {
  margin: 0; font-family: var(--font); font-size: 15px; line-height: 1.5;
  background: var(--bg); color: var(--text);
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
button { font: inherit; cursor: pointer; }
h1, h2, h3 { margin: 0; line-height: 1.25; letter-spacing: -.01em; }
ul { margin: 0; padding-left: 1.2em; }

/* Üst çubuk */
.topbar {
  position: sticky; top: 0; z-index: 20;
  background: color-mix(in srgb, var(--surface) 88%, transparent);
  backdrop-filter: blur(10px); border-bottom: 1px solid var(--border);
}
.topbar .in { max-width: 1100px; margin: 0 auto; padding: 10px 20px; display: flex; align-items: center; gap: 14px; }
.brand { display: flex; align-items: center; }
.brand img { height: 44px; width: auto; display: block; }
.brand .logo-dark { display: none; }
.topbar .spacer { flex: 1; }
.chip {
  display: inline-flex; align-items: center; gap: 6px; padding: 5px 11px; border-radius: 999px;
  background: var(--surface-2); border: 1px solid var(--border); color: var(--text); font-size: 13px;
}
.chip.btn:hover { border-color: var(--accent); }
.chip .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--ok); }
.chip .dot.off { background: var(--muted); }

.wrap { max-width: 1100px; margin: 0 auto; padding: 24px 20px 60px; }

/* Ana panel */
.hero { padding: 18px 0 22px; display: flex; flex-wrap: wrap; align-items: flex-end; gap: 16px; }
.hero > div:first-child { flex: 1 1 380px; }
.hero h1 { font-size: clamp(24px, 3.4vw, 34px); }
.hero p { margin: 6px 0 0; color: var(--muted); max-width: 640px; }
.hero .week-badge {
  margin-left: auto; padding: 12px 16px; border-radius: var(--radius); background: var(--surface);
  border: 1px solid var(--border); box-shadow: var(--shadow); min-width: 220px; flex: 0 0 auto;
}
.hero .week-badge .lbl { font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: .06em; }
.hero .week-badge .val { font-weight: 700; font-size: 17px; }
.hero .week-badge .sub { font-size: 13px; color: var(--muted); }

.grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }
.card {
  position: relative; display: flex; flex-direction: column; gap: 10px;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 20px; box-shadow: var(--shadow); color: var(--text);
  transition: transform .15s ease, border-color .15s ease;
  overflow: hidden;
}
.card::before { content: ""; position: absolute; inset: 0 0 auto 0; height: 4px; background: var(--k, var(--accent)); }
a.card:hover { text-decoration: none; transform: translateY(-2px); border-color: var(--k, var(--accent)); }
.card.pasif { opacity: .6; }
.card .icon {
  width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; font-size: 20px;
  background: color-mix(in srgb, var(--k, var(--accent)) 14%, transparent); color: var(--k, var(--accent)); font-weight: 700;
}
.card h2 { font-size: 21px; }
.card .kisa { color: var(--muted); font-size: 13px; margin-top: -6px; }
.card p { margin: 0; color: var(--muted); font-size: 14px; }
.card .meta { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 2px; }
.card .meta span { font-size: 12px; padding: 3px 9px; border-radius: 999px; background: var(--surface-2); border: 1px solid var(--border); color: var(--muted); }
.card .now { margin-top: auto; padding-top: 12px; border-top: 1px dashed var(--border); font-size: 13px; padding-right: 30px; }
.card .now b { display: block; color: var(--k, var(--accent)); font-size: 12px; text-transform: uppercase; letter-spacing: .05em; }
.card .go { position: absolute; right: 18px; bottom: 18px; color: var(--k, var(--accent)); font-weight: 700; font-size: 18px; }
.card .tag { position: absolute; right: 16px; top: 16px; font-size: 11px; font-weight: 600; padding: 3px 8px; border-radius: 999px; background: var(--surface-2); color: var(--muted); border: 1px solid var(--border); }

.section-title { margin: 30px 0 12px; font-size: 13px; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: .08em; }
.small-grid { display: grid; gap: 12px; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); }
.small-card {
  display: flex; align-items: center; gap: 12px; padding: 14px 16px; border-radius: 12px;
  background: var(--surface); border: 1px solid var(--border); color: var(--text);
}
a.small-card:hover { text-decoration: none; border-color: var(--accent); }
.small-card .icon { width: 36px; height: 36px; border-radius: 10px; display: grid; place-items: center; background: var(--surface-2); font-size: 16px; }
.small-card b { display: block; font-size: 14px; }
.small-card span { font-size: 12px; color: var(--muted); }

/* Kademe sayfası */
.page-head { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; padding: 6px 0 18px; }
.page-head .back { color: var(--muted); font-size: 14px; }
.page-head .back:hover { color: var(--text); }
.page-head h1 { font-size: clamp(22px, 3vw, 30px); display: flex; align-items: center; gap: 12px; }
.page-head h1 .icon { width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center; background: color-mix(in srgb, var(--k) 14%, transparent); color: var(--k); font-size: 18px; }
.page-head .kisa { color: var(--muted); font-size: 14px; width: 100%; margin-top: -8px; }
.notice { padding: 10px 14px; border-radius: 10px; background: color-mix(in srgb, var(--warn) 12%, var(--surface)); border: 1px solid color-mix(in srgb, var(--warn) 40%, var(--border)); font-size: 13px; margin-bottom: 14px; }
.notice.info { background: var(--accent-soft); border-color: color-mix(in srgb, var(--accent) 35%, var(--border)); }

.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); margin-bottom: 20px; overflow-x: auto; overflow-y: hidden; scrollbar-width: none; }
.tabs::-webkit-scrollbar { display: none; }
.tabs a { padding: 10px 14px; color: var(--muted); font-weight: 600; font-size: 14px; border-bottom: 2px solid transparent; margin-bottom: -1px; white-space: nowrap; }
.tabs a:hover { text-decoration: none; color: var(--text); }
.tabs a.active { color: var(--k, var(--accent)); border-bottom-color: var(--k, var(--accent)); }

.week {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 22px 24px; display: grid; gap: 14px;
}
.week .head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 10px 16px; }
.week .no { font-size: 13px; font-weight: 700; color: var(--k, var(--accent)); text-transform: uppercase; letter-spacing: .06em; }
.week .dates { color: var(--muted); font-size: 14px; }
.week h2 { font-size: 22px; width: 100%; }
.week .path { font-size: 13px; color: var(--muted); }
.week .path b { color: var(--text); font-weight: 600; }
.week .kod { font-family: var(--mono); font-size: 12px; padding: 2px 8px; border-radius: 6px; background: var(--surface-2); border: 1px solid var(--border); }
.week .block h3 { font-size: 13px; color: var(--muted); text-transform: uppercase; letter-spacing: .06em; margin-bottom: 8px; }
.week ul.ciktilar { list-style: none; padding: 0; display: grid; gap: 8px; }
.week ul.ciktilar li { display: flex; gap: 10px; align-items: flex-start; padding: 10px 12px; background: var(--surface-2); border-radius: 10px; font-size: 14px; }
.week ul.ciktilar li .m { font-family: var(--mono); font-weight: 700; color: var(--k, var(--accent)); min-width: 22px; }
.week .kv { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 10px; }
.week .kv div { padding: 10px 12px; border-radius: 10px; border: 1px solid var(--border); font-size: 13px; }
.week .kv div b { display: block; font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: .05em; margin-bottom: 2px; }
.week-nav { display: flex; justify-content: space-between; gap: 10px; margin-top: 14px; }
.btn {
  display: inline-flex; align-items: center; gap: 8px; padding: 9px 14px; border-radius: 10px; font-weight: 600; font-size: 14px;
  background: var(--surface); border: 1px solid var(--border); color: var(--text);
}
.btn:hover { border-color: var(--k, var(--accent)); text-decoration: none; }
.btn.primary { background: var(--k, var(--accent)); border-color: var(--k, var(--accent)); color: #fff; }
.btn.primary:hover { filter: brightness(1.05); }
.btn[disabled], .btn.disabled { opacity: .45; pointer-events: none; }

/* Yıllık plan listesi */
.plan-list { display: grid; gap: 6px; }
.plan-month { margin: 18px 0 6px; font-size: 13px; font-weight: 700; color: var(--muted); text-transform: uppercase; letter-spacing: .08em; }
.plan-month:first-child { margin-top: 0; }
.plan-row {
  display: grid; grid-template-columns: 96px 1fr auto; gap: 12px; align-items: center;
  padding: 11px 14px; background: var(--surface); border: 1px solid var(--border); border-radius: 10px;
  cursor: pointer;
}
.plan-row:hover { border-color: var(--k, var(--accent)); }
.plan-row.current { border-color: var(--k, var(--accent)); box-shadow: 0 0 0 3px color-mix(in srgb, var(--k, var(--accent)) 18%, transparent); }
.plan-row.past { opacity: .72; }
.plan-row .wk { font-weight: 700; color: var(--k, var(--accent)); font-size: 13px; }
.plan-row .wk small { display: block; color: var(--muted); font-weight: 500; font-size: 11px; }
.plan-row .t { font-size: 14px; }
.plan-row .t small { display: block; color: var(--muted); font-size: 12px; }
.plan-row .kod { font-family: var(--mono); font-size: 11px; color: var(--muted); }
.plan-row.tatil { grid-template-columns: 1fr; background: var(--surface-2); color: var(--muted); font-size: 13px; text-align: center; cursor: default; border-style: dashed; }
.plan-detail { padding: 6px 14px 14px 122px; display: none; }
.plan-row.open + .plan-detail { display: block; }
.plan-detail ul { display: grid; gap: 6px; padding-left: 0; list-style: none; }
.plan-detail li { font-size: 13px; padding: 8px 10px; background: var(--surface); border: 1px solid var(--border); border-radius: 8px; }
.plan-detail .mini { margin-top: 8px; font-size: 12px; color: var(--muted); }

/* Formlar (öğretmen paneli) */
.frow { display: flex; flex-wrap: wrap; gap: 10px; align-items: flex-end; }
.frow input, .frow select, .frow textarea, .fld input, .fld select {
  padding: 9px 11px; border-radius: 10px; border: 1px solid var(--border); background: var(--surface-2); color: var(--text); font: inherit; font-size: 14px; min-width: 0;
}
.frow textarea { width: 100%; resize: vertical; }
.fld { display: flex; flex-direction: column; gap: 4px; font-size: 12px; color: var(--muted); }
.fld input, .fld select { width: 100%; }
.week h3 { font-size: 14px; }

/* Etkinlik (haftalık yönerge) */
.rozetler { display: flex; flex-wrap: wrap; gap: 6px; }
.rozet { font-size: 11px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; padding: 3px 9px; border-radius: 999px; background: color-mix(in srgb, var(--k, var(--accent)) 14%, transparent); color: var(--k, var(--accent)); }
.rozet.asama { background: color-mix(in srgb, var(--teal) 16%, transparent); color: var(--teal); }
.rozet.muted { background: var(--surface-2); color: var(--muted); }
.et-kart { display: block; position: relative; padding: 18px 20px; border-radius: var(--radius); margin-bottom: 14px; color: var(--text);
  background: linear-gradient(135deg, color-mix(in srgb, var(--k, var(--accent)) 10%, var(--surface)), var(--surface)); border: 1px solid color-mix(in srgb, var(--k, var(--accent)) 40%, var(--border)); box-shadow: var(--shadow); }
.et-kart:hover { text-decoration: none; border-color: var(--k, var(--accent)); }
.et-kart-baslik { font-size: 20px; font-weight: 700; margin: 8px 0 4px; }
.et-kart-meta { font-size: 13px; color: var(--muted); }
.et-kart-git { position: absolute; right: 18px; top: 18px; font-weight: 700; color: var(--k, var(--accent)); }
.ilerleme { display: flex; align-items: center; gap: 10px; margin-top: 10px; font-size: 12px; color: var(--muted); }
.ilerleme .bar { flex: 1; height: 8px; border-radius: 999px; background: var(--surface-2); overflow: hidden; }
.ilerleme .dolu { height: 100%; width: 0; background: var(--k, var(--accent)); transition: width .3s ease; }
.etkinlik { max-width: 820px; margin: 0 auto; display: grid; gap: 14px; }
.et-bas { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px 24px; box-shadow: var(--shadow); }
.et-bas h1 { font-size: clamp(22px, 3vw, 28px); margin: 10px 0 6px; }
.et-meta { font-size: 13px; color: var(--muted); }
.et-kazanim { font-size: 13px; margin-top: 8px; padding: 8px 10px; border-radius: 8px; background: var(--surface-2); }
.adim { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px 22px; }
.adim.done { border-color: color-mix(in srgb, var(--ok) 50%, var(--border)); background: color-mix(in srgb, var(--ok) 4%, var(--surface)); }
.adim.bugun { border-left: 4px solid var(--k, var(--accent)); }
.adim-bas { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 8px; }
.adim-bas .no { width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center; background: var(--k, var(--accent)); color: #fff; font-weight: 700; font-size: 14px; }
.adim.done .adim-bas .no { background: var(--ok); }
.adim-bas .ikon { font-size: 18px; }
.adim-bas h2 { font-size: 18px; flex: 1; }
.adim-bas .sure { font-size: 12px; color: var(--muted); padding: 3px 8px; border-radius: 999px; background: var(--surface-2); }
.adim.genisletme { border-style: dashed; }
.adim.genisletme .adim-bas .no { background: var(--surface-2); color: var(--muted); border: 1px dashed var(--border); }
.adim.genisletme.done .adim-bas .no { background: var(--ok); color: #fff; border-color: transparent; }
.genisletme-not { font-size: 13px; color: var(--muted); margin: -2px 0 10px; }
.tfld.genisletme { color: var(--muted); }
.gunluk-alan { border: 1px solid color-mix(in srgb, var(--k, var(--accent)) 40%, var(--border)); border-radius: 12px; padding: 10px 14px 4px; margin: 4px 0 14px; }
.gunluk-alan legend { font-weight: 700; font-size: 14px; padding: 0 6px; }
.gunluk-alan .gunluk-aciklama { display: block; color: var(--muted); font-size: 12px; margin: 0 0 8px; }
.gunluk-alan .tfld { margin-bottom: 8px; }
.gunluk-etiket { display: inline-block; min-width: 90px; }
.gunluk-tablo { border-collapse: collapse; width: 100%; font-size: 13px; margin-top: 6px; }
.gunluk-tablo th { width: 110px; text-align: left; vertical-align: top; padding: 5px 8px; background: var(--surface-2); border: 1px solid var(--border); font-size: 12px; }
.gunluk-tablo td { padding: 5px 8px; border: 1px solid var(--border); white-space: pre-wrap; }
.gunluk-kart .adim-bas .sure { margin-left: auto; }
/* Öğretmen ana sayfa "Bu hafta" kartları */
.bh-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 14px; margin-bottom: 26px; }
.bh-kart { background: var(--surface); border: 1px solid var(--border); border-top: 4px solid var(--k, var(--accent)); border-radius: var(--radius); padding: 16px 18px; box-shadow: var(--shadow); display: flex; flex-direction: column; gap: 4px; }
.bh-kademe { font-weight: 700; color: var(--k, var(--accent)); font-size: 14px; }
.bh-kademe small { font-weight: 400; color: var(--muted); }
.bh-baslik { font-size: 17px; font-weight: 700; line-height: 1.3; }
.bh-baslik a { color: var(--text); }
.bh-meta { font-size: 13px; color: var(--muted); }
.bh-durum { font-size: 13px; margin-top: 6px; }
.bh-not { margin-top: 8px; font-size: 13px; }
.bh-not summary { cursor: pointer; font-weight: 700; }
.bh-gelecek { margin-top: auto; padding-top: 10px; font-size: 12px; color: var(--muted); border-top: 1px dashed var(--border); }
.tfld .rozet { text-transform: none; letter-spacing: 0; font-size: 11px; vertical-align: middle; }
.adim-govde { font-size: 15px; line-height: 1.6; }
.adim-govde h3, .adim-govde h4 { margin: 12px 0 6px; }
.adim-govde p { margin: 8px 0; }
.adim-govde ul.md-list, .adim-govde ol.md-list { margin: 8px 0; padding-left: 1.4em; }
.adim-govde li { margin: 4px 0; }
.adim-govde blockquote { margin: 10px 0; padding: 8px 14px; border-left: 3px solid var(--k, var(--accent)); background: var(--surface-2); border-radius: 0 8px 8px 0; color: var(--muted); }
.adim-govde blockquote p { margin: 4px 0; }
.adim-govde code { font-family: var(--mono); font-size: 13px; background: var(--surface-2); padding: 1px 5px; border-radius: 5px; }
.md-code { position: relative; margin: 10px 0; padding: 12px 14px; background: #0f1420; color: #e8ecf5; border-radius: 10px; overflow-x: auto; font-size: 13px; }
.md-code code { background: none; padding: 0; color: inherit; font-size: 13px; white-space: pre; }
.md-copy { position: absolute; right: 8px; top: 8px; font-size: 11px; padding: 3px 8px; border-radius: 6px; border: 1px solid #3a4560; background: #1f2637; color: #cfd8ea; }
.md-table { overflow-x: auto; margin: 10px 0; }
.md-table table { border-collapse: collapse; width: 100%; font-size: 14px; }
.md-table th, .md-table td { border: 1px solid var(--border); padding: 7px 10px; text-align: left; vertical-align: top; }
.md-table th { background: var(--surface-2); }
li.md-task { list-style: none; margin-left: -1.4em; }
li.md-task label { display: flex; gap: 10px; align-items: flex-start; padding: 8px 10px; border-radius: 8px; background: var(--surface-2); cursor: pointer; }
li.md-task input { margin-top: 4px; width: 18px; height: 18px; accent-color: var(--ok); flex: 0 0 auto; }
li.md-task.done label { text-decoration: line-through; color: var(--muted); }
.adim-alt { margin-top: 12px; display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.tfld { margin-bottom: 12px; font-size: 14px; color: var(--text); font-weight: 600; }
.tfld small { font-weight: 400; color: var(--muted); }
.tfld input, .tfld textarea { width: 100%; padding: 9px 11px; border-radius: 10px; border: 1px solid var(--border); background: var(--surface-2); color: var(--text); font: inherit; font-size: 14px; font-weight: 400; }
details.ek summary { cursor: pointer; font-weight: 700; font-size: 15px; }
details.ek.ogretmen { border-color: color-mix(in srgb, var(--warn) 50%, var(--border)); background: color-mix(in srgb, var(--warn) 6%, var(--surface)); }
.et-alt { display: flex; justify-content: space-between; gap: 10px; }

/* Etkinlik sunum görünümü: slaytlar, adım şeridi, gezinme çubuğu, süre sayacı, yardım paneli */
.etkinlik .slaytlar { display: grid; gap: 14px; }
.etkinlik .slayt { display: grid; gap: 14px; }
.etkinlik.sunum .slayt { display: none; }
.etkinlik.sunum .slayt.aktif { display: grid; animation: slayt-gel .25s ease; }
@keyframes slayt-gel { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
.etkinlik.liste .slayt-cubuk, .etkinlik.liste .slayt-nav { display: none; }
.etkinlik.sunum .liste-alt { display: none; }
.slayt-cubuk { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.slayt-cubuk .sc { min-width: 36px; padding: 6px 12px; border-radius: 999px; border: 1px solid var(--border); background: var(--surface); color: var(--muted); font-weight: 700; font-size: 13px; cursor: pointer; }
.slayt-cubuk .sc:hover { border-color: var(--k, var(--accent)); color: var(--text); }
.slayt-cubuk .sc.aktif { background: var(--k, var(--accent)); border-color: var(--k, var(--accent)); color: #fff; }
.slayt-cubuk .sc.done { border-color: var(--ok); color: var(--ok); }
.slayt-cubuk .sc.done::after { content: " ✓"; }
.slayt-cubuk .sc.done.aktif { background: var(--ok); color: #fff; }
.slayt-cubuk .sc.genisletme { border-style: dashed; }
.slayt-cubuk .sc.yardim { border-color: color-mix(in srgb, var(--warn) 50%, var(--border)); color: var(--warn); }
.slayt-nav { position: sticky; bottom: 10px; z-index: 10; display: flex; align-items: center; gap: 10px; padding: 10px 14px; border-radius: var(--radius); border: 1px solid var(--border); background: color-mix(in srgb, var(--surface) 92%, transparent); backdrop-filter: blur(8px); box-shadow: var(--shadow); }
.slayt-nav .sayac { font-size: 13px; color: var(--muted); font-weight: 700; }
.slayt-nav .spacer { flex: 1; }
.zaman-btn { font-family: var(--mono); font-weight: 700; font-size: 15px; padding: 6px 12px; border-radius: 8px; border: 1px solid var(--border); background: var(--surface-2); color: var(--text); cursor: pointer; margin-right: 4px; }
.zaman-btn.calisiyor { border-color: var(--k, var(--accent)); color: var(--k, var(--accent)); }
.zaman-btn.bitti { border-color: var(--danger); color: var(--danger); animation: zaman-yanip 1s step-end infinite; }
@keyframes zaman-yanip { 50% { opacity: .45; } }
.yardim-panel { position: fixed; right: 16px; bottom: 78px; width: min(440px, calc(100vw - 32px)); max-height: 60vh; overflow: auto; padding: 14px 18px; border-radius: var(--radius); border: 1px solid color-mix(in srgb, var(--warn) 50%, var(--border)); background: var(--surface); box-shadow: var(--shadow); z-index: 30; }
.yardim-panel .adim-bas { justify-content: space-between; }
.gorunum-btn { padding: 4px 10px; font-size: 12px; }
@media (max-width: 640px) {
  .slayt-nav { padding: 8px 10px; gap: 6px; bottom: 6px; }
  .slayt-nav .btn { padding: 7px 10px; font-size: 13px; }
  .zaman-btn { font-size: 13px; padding: 5px 8px; }
}
.et-mini { font-family: var(--font); font-size: 11px; font-weight: 700; padding: 2px 7px; border-radius: 999px; background: color-mix(in srgb, var(--k, var(--accent)) 14%, transparent); color: var(--k, var(--accent)); }
@media (max-width: 640px) { .adim, .et-bas { padding: 14px 14px; } .et-kart-git { position: static; display: block; margin-top: 8px; } }

/* Kavram kartları */
.kavram { border: 1px solid var(--border); border-radius: 12px; padding: 14px 16px; margin: 12px 0; background: var(--surface); border-left: 4px solid var(--teal); }
.kavram.dogru { border-left-color: var(--ok); }
.kavram.yanlis { border-left-color: var(--warn); }
.kv-bas { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.kv-bas h3 { font-size: 16px; margin: 0; flex: 1; }
.kv-kisa { margin: 6px 0 4px; font-weight: 600; font-size: 14px; }
.kv-tanim { font-size: 14px; color: var(--text); }
.kv-tanim p { margin: 4px 0; }
.kv-etiket { font-size: 11px; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); margin-top: 8px; }
.kv-ornek .md-code { margin: 4px 0 8px; font-size: 12.5px; }
.kv-ipucu { font-size: 13px; padding: 8px 10px; border-radius: 8px; background: var(--surface-2); margin-top: 6px; }
.kv-sina { margin-top: 10px; border-top: 1px dashed var(--border); padding-top: 8px; }
.kv-sina summary { cursor: pointer; font-weight: 700; font-size: 13px; }
.kv-soru { margin: 8px 0 6px; font-weight: 600; font-size: 14px; }
.kv-sec { display: flex; gap: 8px; align-items: flex-start; padding: 6px 8px; border-radius: 8px; font-size: 14px; cursor: pointer; }
.kv-sec:hover { background: var(--surface-2); }
.kv-sec input { margin-top: 3px; }
.kv-sonuc { font-size: 13px; }
.kv-sonuc.ok, .rozet.ok { color: var(--ok); }
.kv-sonuc.warn, .rozet.warn { color: var(--warn); }
.rozet.ok { background: color-mix(in srgb, var(--ok) 14%, transparent); }
.rozet.warn { background: color-mix(in srgb, var(--warn) 14%, transparent); }
.kv-cipler { margin-top: 10px; font-size: 13px; color: var(--muted); display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.kv-cipler .rozet { text-transform: none; letter-spacing: 0; font-size: 12px; }
.kv-hafta { border: 1px solid var(--border); border-radius: 12px; padding: 10px 14px; margin-bottom: 10px; background: var(--surface); }
.kv-hafta.gecmis { opacity: .92; }
.kv-hafta.gelecek { opacity: .7; }
.kv-hafta summary { cursor: pointer; display: flex; flex-wrap: wrap; gap: 8px; align-items: center; font-size: 14px; }
.kv-hafta summary .wk { font-weight: 700; color: var(--k, var(--accent)); }
.kv-hafta summary .kv-say { color: var(--muted); font-size: 12px; flex: 1 1 100%; }
.kv-hafta .kavram { margin: 10px 0; }

/* Öğretmen takip tablosu */
.tk-tablo table { font-size: 13px; }
.tk-tablo th { white-space: nowrap; }
.tk-tablo th small { display: block; font-weight: 400; color: var(--muted); font-size: 10px; }
.tk-ad { min-width: 170px; }
.tk-ad small { display: block; color: var(--muted); font-size: 11px; font-weight: 400; }
.tk-bos { color: var(--muted); text-align: center; }
.tk-hucre { position: relative; min-width: 84px; padding: 4px 6px; border-radius: 8px; background: linear-gradient(90deg, color-mix(in srgb, var(--c) 28%, var(--surface-2)) var(--y), var(--surface-2) var(--y)); border: 1px solid color-mix(in srgb, var(--c) 45%, var(--border)); }
.tk-hucre small { display: block; color: var(--muted); font-size: 10px; }
.tk-kaldi { white-space: nowrap; font-size: 12px; }

/* Boş durum */
.empty {
  padding: 34px 20px; text-align: center; border: 1px dashed var(--border); border-radius: var(--radius);
  color: var(--muted); background: var(--surface);
}
.empty .big { font-size: 30px; margin-bottom: 6px; }
.empty b { color: var(--text); display: block; margin-bottom: 4px; }
.empty code { font-family: var(--mono); font-size: 12px; background: var(--surface-2); padding: 2px 6px; border-radius: 6px; }

/* Öğrenci kimlik penceresi */
.modal-bg { position: fixed; inset: 0; background: rgba(10, 14, 25, .55); display: grid; place-items: center; z-index: 50; padding: 20px; }
.modal { width: 100%; max-width: 420px; background: var(--surface); border-radius: 16px; padding: 24px; box-shadow: var(--shadow); border: 1px solid var(--border); }
.modal h2 { font-size: 20px; margin-bottom: 6px; }
.modal p { color: var(--muted); font-size: 14px; margin: 0 0 14px; }
.modal input, .modal select {
  width: 100%; padding: 11px 12px; border-radius: 10px; border: 1px solid var(--border); background: var(--surface-2);
  color: var(--text); font: inherit; margin-bottom: 12px;
}
.modal .row { display: flex; gap: 8px; justify-content: flex-end; }

/* Yazdırma: yalnız içerik; sunum modundaki etkinlikte tüm slaytlar */
@media print {
  .topbar, .page-head .back, #yazdir-btn, .slayt-cubuk, .slayt-nav, .yardim-panel, .gorunum-btn, .footer, .et-alt, .adim-alt, .notice { display: none !important; }
  .etkinlik.sunum .slayt { display: grid !important; }
  body { background: #fff; color: #000; font-size: 12pt; }
  .adim, .et-bas, .kv-kart { box-shadow: none; border-color: #bbb; break-inside: avoid; }
  .md-code { background: #f2f2f2; color: #000; border: 1px solid #bbb; }
  .md-copy { display: none; }
  a { color: inherit; text-decoration: none; }
}

.footer { margin-top: 50px; padding-top: 18px; border-top: 1px solid var(--border); color: var(--muted); font-size: 12px; display: flex; flex-wrap: wrap; gap: 6px 18px; }

@media (max-width: 640px) {
  .wrap { padding: 16px 14px 50px; }
  .topbar .in { gap: 8px; padding: 10px 14px; }
  .brand img { height: 36px; }
  .chip { white-space: nowrap; max-width: 48vw; overflow: hidden; text-overflow: ellipsis; display: inline-block; line-height: 1.6; }
  .chip .dot { display: inline-block; vertical-align: middle; margin-right: 2px; }
  .chip.durum { max-width: none; padding: 5px 9px; }
  .chip.durum .txt { display: none; }
  .chip.durum .dot { margin: 0; }
  .hero .week-badge { margin-left: 0; width: 100%; }
  .plan-row { grid-template-columns: 78px 1fr; }
  .plan-row .kod { display: none; }
  .plan-detail { padding-left: 14px; }
  .week { padding: 18px 16px; }
}