:root{
  --ink:#1a1f2b; --muted:#6b7280; --line:#e5e7eb; --bg:#f6f7f9;
  --brand:#1a237e; --brand2:#3949ab; --ok:#0f7b3f; --err:#b3261e; --info:#0b5cad;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);
  font:16px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif}
a{color:var(--brand2)}
h1{font-size:1.6rem;margin:0 0 6px}
h2{font-size:1.08rem;margin:26px 0 10px;color:var(--brand)}

/* giris ekrani */
body.auth{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:20px}
.card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:32px;max-width:400px;width:100%;
  box-shadow:0 6px 24px rgba(16,24,40,.06)}
.card h1{color:var(--brand);font-size:1.7rem;margin:0;text-align:center;letter-spacing:.5px}
.card .sub{text-align:center;color:var(--muted);margin:2px 0 22px}
.card label{display:block;font-size:.85rem;color:#404654;margin:14px 0 5px;font-weight:600}
.card input{width:100%}
.card button{width:100%;margin-top:20px}
.note{font-size:.83rem;color:var(--muted);margin-top:18px;text-align:center;line-height:1.5}

/* ust bar */
.top{background:var(--brand);color:#fff;padding:14px 22px;display:flex;justify-content:space-between;align-items:center}
.brand{font-weight:800;letter-spacing:.6px}
.who{font-size:.9rem;opacity:.95}
.out{color:#fff;margin-left:14px;text-decoration:underline;opacity:.9}

.wrap{max-width:880px;margin:26px auto 60px;padding:0 18px}
.lead{color:var(--muted);margin:0 0 18px}
.panel{background:#fff;border:1px solid var(--line);border-radius:12px;padding:22px;margin:16px 0}

input,textarea,select{
  width:100%;padding:10px 12px;border:1px solid #cfd4dc;border-radius:8px;font:inherit;color:var(--ink);
  background:#fff}
input:focus,textarea:focus{outline:2px solid #c5cae9;border-color:var(--brand2)}
input:disabled,textarea:disabled{background:#f3f4f6;color:#6b7280}
label{font-size:.85rem;color:#404654;font-weight:600;display:block;margin-bottom:5px}
fieldset{border:1px solid var(--line);border-radius:10px;padding:14px 16px;margin:12px 0}
legend{font-size:.85rem;font-weight:700;color:var(--brand);padding:0 6px}
legend .req{display:inline-block;margin-left:6px;padding:1px 8px;border-radius:999px;
  background:#fdecea;color:var(--err);font-size:.72rem;font-weight:700;letter-spacing:.3px;vertical-align:middle}
.fld{margin-bottom:14px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:0 16px}
.grid3{display:grid;grid-template-columns:1fr 1fr 1.3fr;gap:0 14px}
@media(max-width:640px){.grid2,.grid3{grid-template-columns:1fr}}

.btn{background:var(--brand);color:#fff;border:0;border-radius:8px;padding:11px 22px;font:inherit;
  font-weight:600;cursor:pointer}
.btn:hover{background:var(--brand2)}
.btn.ghost{background:#fff;color:var(--brand);border:1px solid var(--brand)}
.btn.ghost:hover{background:#eef0fa}
button{font:inherit}
.actions{display:flex;gap:12px;margin-top:18px}

.chk{display:flex;gap:10px;align-items:flex-start;font-weight:400;font-size:.92rem;margin-top:18px;color:#374151}
.chk input{width:auto;margin-top:4px}

.alert{padding:11px 14px;border-radius:8px;margin:12px 0;font-size:.92rem}
.alert.err{background:#fdecea;color:var(--err);border:1px solid #f5c6c2}
.alert.ok{background:#e7f6ed;color:var(--ok);border:1px solid #bfe3cd}
.alert.info{background:#e8f1fb;color:var(--info);border:1px solid #c3dbf5}

.tbl{width:100%;border-collapse:collapse;font-size:.92rem}
.tbl th,.tbl td{padding:9px 10px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.tbl thead th{background:#f8f9fb;color:#4b5563;font-size:.8rem;text-transform:uppercase;letter-spacing:.4px}
.tbl tfoot th{background:#f8f9fb}
.tbl .r{text-align:right;white-space:nowrap}
.tbl .nowrap{white-space:nowrap;color:#4b5563}
.tbl td.desc{padding-top:8px;padding-bottom:8px}

/* odeme aciklamasi: kisa etiket + acilir "?" detay (native <details>) */
.plabel{font-weight:600;color:var(--ink)}
details.pdet>summary{
  list-style:none;cursor:pointer;display:inline-flex;align-items:center;gap:8px;
  -webkit-tap-highlight-color:transparent}
details.pdet>summary::-webkit-details-marker{display:none}
details.pdet>summary::marker{content:""}
.pq{display:inline-flex;align-items:center;justify-content:center;
  width:19px;height:19px;flex:0 0 19px;border-radius:50%;
  background:#eef0fa;color:var(--brand2);border:1px solid #d3d9f2;
  font-size:.74rem;font-weight:700;line-height:1}
details.pdet[open]>summary .pq{background:var(--brand2);color:#fff;border-color:var(--brand2)}
.pdet-body{
  margin-top:9px;padding:10px 12px;background:#f8f9fb;border:1px solid var(--line);
  border-radius:8px;font-size:.85rem;color:#4b5563;line-height:1.55;
  white-space:normal;overflow-wrap:anywhere}

/* telefon: tablo -> kart duzeni (1. satir tarih + tutar, 2. satir etiket, detay tam genislik) */
@media(max-width:640px){
  .tbl.pays{display:block}
  .tbl.pays thead{display:none}
  .tbl.pays tbody,.tbl.pays tfoot{display:block}
  .tbl.pays tbody tr{display:grid;grid-template-columns:1fr auto;column-gap:12px;row-gap:3px;
    padding:11px 4px;border-bottom:1px solid var(--line)}
  .tbl.pays tbody td{border:0;padding:0}
  .tbl.pays td.nowrap{grid-column:1;grid-row:1;font-size:.85rem;color:var(--muted)}
  .tbl.pays td.r{grid-column:2;grid-row:1;font-weight:700}
  .tbl.pays td.desc{grid-column:1 / -1;grid-row:2;padding-top:2px}
  .tbl.pays tfoot tr{display:flex;justify-content:space-between;align-items:baseline;
    padding:12px 4px 2px;gap:12px}
  .tbl.pays tfoot th{border:0;padding:0;background:transparent}
}

.muted{color:var(--muted)}
.small{font-size:.83rem}
.docs{margin:0 0 12px;padding-left:18px;font-size:.92rem}
.upl{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.upl input[type=file]{flex:1;min-width:220px;padding:8px}

/* soru / itiraz mesaj kutusu */
.msgs{list-style:none;margin:0 0 18px;padding:0;display:flex;flex-direction:column;gap:10px}
.msg{max-width:88%;padding:10px 14px;border-radius:14px;font-size:.92rem;line-height:1.55;
  border:1px solid var(--line);background:#f8f9fb}
.msg.student{align-self:flex-end;background:#eef0fa;border-color:#d3d9f2;border-bottom-right-radius:4px}
.msg.staff{align-self:flex-start;background:#fff;border-bottom-left-radius:4px}
.msg-meta{display:flex;gap:10px;align-items:baseline;font-size:.76rem;color:var(--muted);margin-bottom:3px}
.msg-who{font-weight:700;color:#404654}
.msg-text{overflow-wrap:anywhere;white-space:normal}
.msgform textarea{resize:vertical;min-height:96px}
.msg-actions{align-items:center;flex-wrap:wrap}
@media(max-width:640px){
  .msg{max-width:100%}
  .msg-actions{flex-direction:column;align-items:stretch}
  .msg-actions .btn{width:100%}
  .msg-actions .small{text-align:center}
}

/* F5 — ibraname paneli */
.rel{border:1px solid var(--line);border-radius:12px;padding:16px;margin:12px 0;background:#fff}
.rel.rel-old{background:#fafbfc}
.rel-head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:12px}
.rel-title{font-weight:700;color:var(--ink)}
.badge{display:inline-block;padding:3px 10px;border-radius:999px;font-size:.76rem;font-weight:700;
  letter-spacing:.2px;white-space:nowrap}
.badge.ok{background:#e7f6ed;color:var(--ok)}
.badge.wait{background:#fff4e5;color:#9a5b00}
.rel-actions{display:flex;gap:12px;flex-wrap:wrap}
.rel-actions .btn{text-decoration:none;display:inline-block;text-align:center}
.rel-steps{margin:14px 0 6px;padding-left:20px;font-size:.92rem;color:#374151}
.rel-steps li{margin-bottom:6px}
.rel .msgs{margin-top:14px}
details.rel-ask{margin-top:12px}
details.rel-ask>summary{cursor:pointer;color:var(--brand2);font-weight:600;font-size:.92rem}
details.rel-ask[open]>summary{margin-bottom:10px}
@media(max-width:640px){
  .rel-head{flex-direction:column}
  .rel-actions{flex-direction:column}
  .rel-actions .btn{width:100%}
}
.badge.info{background:#e8f1fb;color:var(--info)}
.rel-sign{margin-top:14px;padding:14px;border:1px dashed #c3cbe0;border-radius:10px;background:#fafbff}
.rel-sign h3{font-size:.95rem;margin:0 0 8px;color:var(--brand)}
.rel-ups{margin:0 0 10px;padding-left:18px;font-size:.88rem}

/* F7 — gecmis sezon kayit / takip */
.card.wide{max-width:560px}
.card .lead{text-align:left;margin:0 0 6px}
.card .chk{display:flex;font-weight:400;font-size:.88rem;margin-top:18px}
.card .chk input{width:auto;flex:0 0 auto}
.card select{margin:0}
.card .grid2{gap:0 14px}
.signup-box{margin-top:20px;padding:14px;border:1px dashed #c3cbe0;border-radius:10px;background:#fafbff;
  display:flex;flex-direction:column;align-items:center;gap:10px;text-align:center;font-size:.92rem}
.signup-box .btn{width:100%;text-decoration:none;display:block;margin:0}
.badge.err{background:#fdecea;color:var(--err)}
.sum{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:12px}
.sum-col{border:1px solid var(--line);border-radius:10px;padding:12px 14px;background:#fafbfc}
.sum-row{display:flex;justify-content:space-between;gap:12px;padding:4px 0;font-size:.92rem}
.sum-row span{color:#4b5563}
.sum-row strong{white-space:nowrap;text-align:right}
.sum-row.big{border-top:1px solid var(--line);margin-top:4px;padding-top:8px;font-size:1.02rem}
.sum-row.big strong{color:var(--brand)}
.staff-note{margin-top:4px;color:#4b5563;background:#f8f9fb;border-radius:6px;padding:4px 8px}
.inline-del{display:inline;margin:0}
.linkbtn{background:none;border:0;padding:0;margin-top:4px;color:var(--err);font-size:.82rem;cursor:pointer;text-decoration:underline}
.upl-form .btn,#odemeler form .btn{margin-top:6px}
@media(max-width:640px){
  .upl-form .btn,#odemeler form .btn{width:100%}
}
/* F8 gecmis sezon: kisinin hesabi */
.sum-cur{font-weight:800;font-size:1.05rem;color:var(--brand);margin-bottom:2px}
.sum-sub{font-size:.78rem;font-weight:700;text-transform:uppercase;letter-spacing:.03em;color:#6b7280;margin:10px 0 2px}
.past-steps li.done{color:var(--ok)}
.past-steps li.done::marker{content:"✓  "}
.past-steps li.done a{color:var(--ok)}
.grid3.even{grid-template-columns:repeat(3,1fr)}
@media(max-width:640px){.grid3.even{grid-template-columns:1fr}}
#hesap textarea{resize:vertical;min-height:72px}