:root{
  --bg:#f7f3ee;--card:#fff;--ink:#2a2320;--muted:#7a6f68;--line:#e6ded5;--brand:#8a2c3b;--brand-ink:#fff;
  --free:#e8f3ea;--free-ink:#24613a;--opt:#fdf1d8;--opt-ink:#8a5a00;--full:#f8dfe2;--full-ink:#8a2c3b;--past:#efebe6;
  --shadow:0 1px 2px rgba(40,20,10,.06),0 4px 16px rgba(40,20,10,.06);
}
@media (prefers-color-scheme:dark){:root{
  --bg:#1b1716;--card:#25201e;--ink:#f1e9e3;--muted:#a99d95;--line:#3a3330;--brand:#d0697a;--brand-ink:#1b1716;
  --free:#1f3226;--free-ink:#8fd3a5;--opt:#3a2f17;--opt-ink:#f0c66b;--full:#3d2226;--full-ink:#f0a0ab;--past:#221e1c;
  --shadow:none;
}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.45 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
button,input,select,textarea{font:inherit;color:inherit}
a{color:var(--brand)}
.wrap{max-width:980px;margin:0 auto;padding:16px}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);padding:16px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:1px solid var(--line);background:var(--card);border-radius:10px;padding:9px 14px;cursor:pointer;text-decoration:none;color:var(--ink);font-weight:500}
.btn.primary{background:var(--brand);border-color:var(--brand);color:var(--brand-ink)}
.btn.wa{background:#1f9d55;border-color:#1f9d55;color:#fff}
.btn.danger{color:#c0392b}
.btn.sm{padding:5px 10px;font-size:13px}
.btn:disabled{opacity:.5;cursor:default}
.muted{color:var(--muted)}
.row{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.sp{flex:1}
h1{font-size:22px;margin:0}
h2{font-size:17px;margin:0 0 10px}

/* Takvim */
.cal-head{display:flex;align-items:center;gap:8px;margin-bottom:10px}
.cal-head .title{flex:1;text-align:center;font-weight:600;font-size:17px}
.cal{display:grid;grid-template-columns:repeat(7,1fr);gap:4px}
.cal .dow{font-size:12px;color:var(--muted);text-align:center;padding:2px 0}
.day{min-height:78px;border:1px solid var(--line);border-radius:10px;padding:4px 5px;background:var(--card);cursor:pointer;text-align:left;display:flex;flex-direction:column;gap:2px;overflow:hidden}
.day .n{font-weight:600;font-size:13px}
.day.other{opacity:.35}
.day.today{outline:2px solid var(--brand);outline-offset:-2px}
.day.sel{box-shadow:inset 0 0 0 2px var(--ink)}
.day.free{background:var(--free);color:var(--free-ink)}
.day.opt{background:var(--opt);color:var(--opt-ink)}
.day.full{background:var(--full);color:var(--full-ink)}
.day.past{background:var(--past);color:var(--muted);cursor:default}
.day .lbl{font-size:11px;font-weight:500}
.chip{font-size:11px;line-height:1.25;border-radius:5px;padding:1px 4px;color:#fff;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.chip.opsiyon{opacity:.75;background-image:repeating-linear-gradient(45deg,transparent 0 4px,rgba(255,255,255,.25) 4px 8px)}
.chip.iptal{text-decoration:line-through;opacity:.45}
.legend{display:flex;gap:12px;flex-wrap:wrap;font-size:13px;margin-top:10px}
.legend i{display:inline-block;width:12px;height:12px;border-radius:3px;vertical-align:-1px;margin-right:4px;border:1px solid var(--line)}
@media (max-width:600px){
  .wrap{padding:12px}
  .cal{gap:3px}
  .day{min-height:52px;padding:3px}
  .day .chip{font-size:0;height:6px;padding:0}
  .day .lbl{display:none}
}

/* Form / modal */
label{display:block;font-size:13px;color:var(--muted);margin-bottom:3px}
input,select,textarea{width:100%;border:1px solid var(--line);background:var(--bg);border-radius:9px;padding:9px 10px}
textarea{min-height:80px;resize:vertical}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.grid3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:10px}
@media (max-width:600px){.grid3{grid-template-columns:1fr 1fr}}
.field{margin-bottom:10px}
.seg{display:flex;border:1px solid var(--line);border-radius:10px;overflow:hidden}
.seg label{flex:1;margin:0;text-align:center;padding:8px 6px;cursor:pointer;color:var(--ink);font-size:14px;border-left:1px solid var(--line)}
.seg label:first-child{border-left:0}
.seg input{display:none}
.seg input:checked+span{font-weight:600}
.seg label:has(input:checked){background:var(--brand);color:var(--brand-ink)}
.modal{position:fixed;inset:0;background:rgba(0,0,0,.45);display:none;align-items:flex-end;justify-content:center;z-index:20}
.modal.open{display:flex}
.modal .sheet{background:var(--card);width:100%;max-width:560px;max-height:92vh;overflow:auto;border-radius:16px 16px 0 0;padding:16px}
@media (min-width:700px){.modal{align-items:center}.modal .sheet{border-radius:16px}}
.err{color:#c0392b;font-size:14px;min-height:1em}
.ok{color:var(--free-ink);font-size:14px}
.toast{position:fixed;left:50%;bottom:20px;transform:translateX(-50%);background:var(--ink);color:var(--bg);padding:9px 16px;border-radius:10px;display:none;z-index:30}