/* ============================================================
   Panel — kişisel/ekip çalışma alanı
   Tema: mürekkep şeridi + kağıt yüzey. Serif not gövdesi.
   ============================================================ */

:root{
  --ink:#101820;
  --ink-2:#1B262E;
  --paper:#EFF2F1;
  --surface:#FFFFFF;
  --surface-2:#F6F8F7;
  --text:#16201D;
  --muted:#5F6E69;
  --line:#DCE3E0;
  --accent:#1F6F5C;
  --accent-soft:#E4F0EC;
  --signal:#B4712A;
  --danger:#A93F35;
  --shadow:0 1px 2px rgba(16,24,32,.06), 0 8px 24px rgba(16,24,32,.07);

  --sans:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --serif:"Iowan Old Style","Palatino Linotype","Book Antiqua",Palatino,Georgia,serif;
  --mono:ui-monospace,SFMono-Regular,Consolas,"Liberation Mono",monospace;

  --rail:74px;
  --radius:12px;
}

@media (prefers-color-scheme: dark){
  :root{
    --paper:#12191C;
    --surface:#182126;
    --surface-2:#1E282D;
    --text:#E6EDEA;
    --muted:#9AA9A4;
    --line:#2A363B;
    --accent:#4EA88E;
    --accent-soft:#1D3A34;
    --signal:#D6A15A;
    --danger:#D97A6D;
    --shadow:0 1px 2px rgba(0,0,0,.4), 0 10px 30px rgba(0,0,0,.35);
  }
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:var(--sans);
  font-size:15px;
  line-height:1.5;
  color:var(--text);
  background:var(--paper);
  -webkit-text-size-adjust:100%;
  overscroll-behavior-y:none;
}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3{font-family:var(--serif);font-weight:600;letter-spacing:-.01em;margin:0}
[hidden]{display:none !important}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}

/* ---------------- Giriş ---------------- */
.login{
  min-height:100dvh;display:grid;place-items:center;padding:24px;
  background:radial-gradient(120% 90% at 50% -10%, #1B262E 0%, var(--ink) 60%);
}
.login-card{
  width:100%;max-width:380px;background:var(--surface);border-radius:16px;
  padding:32px 28px 28px;box-shadow:0 30px 70px rgba(0,0,0,.35);
}
.login-mark{display:flex;flex-direction:column;gap:5px;width:34px;margin-bottom:20px}
.login-mark span{height:5px;border-radius:3px;background:var(--accent)}
.login-mark span:nth-child(2){width:80%;opacity:.7}
.login-mark span:nth-child(3){width:55%;opacity:.45}
.login h1{font-size:30px;margin-bottom:4px}
.login-sub{margin:0 0 22px;color:var(--muted);font-size:14px}

.field{display:block;margin-bottom:14px}
.field > span{display:block;font-size:12.5px;color:var(--muted);margin-bottom:6px;letter-spacing:.02em}
.field input, .field select{
  width:100%;padding:11px 12px;border:1px solid var(--line);border-radius:10px;
  background:var(--surface-2);
}
.check{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--muted);margin:4px 0 16px}
.check input{width:16px;height:16px;accent-color:var(--accent)}
.check-field{display:flex;flex-direction:column;justify-content:flex-end}
.form-error{color:var(--danger);font-size:13.5px;margin:0 0 12px}

/* ---------------- Düğmeler ---------------- */
.btn{
  border:1px solid transparent;border-radius:10px;padding:10px 16px;
  background:var(--surface-2);cursor:pointer;font-weight:500;
  transition:background .15s ease, border-color .15s ease, transform .06s ease;
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{filter:brightness(1.06)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--muted)}
.btn-ghost:hover{background:var(--surface-2);color:var(--text)}
.btn-ghost.danger{color:var(--danger);border-color:transparent}
.btn-sm{padding:7px 12px;font-size:13.5px;border-radius:9px}
.btn-block{width:100%}

/* ---------------- Kabuk ---------------- */
.app{display:flex;min-height:100dvh}

.rail{
  width:var(--rail);flex:0 0 var(--rail);background:var(--ink);
  display:flex;flex-direction:column;align-items:stretch;gap:2px;padding:16px 0 12px;
  position:sticky;top:0;height:100dvh;
}
.rail-mark{
  width:22px;height:4px;border-radius:2px;background:var(--accent);
  margin:0 auto 20px;box-shadow:0 8px 0 -1px rgba(255,255,255,.18), 0 16px 0 -1px rgba(255,255,255,.1);
}
.rail-tab{
  position:relative;background:none;border:0;cursor:pointer;
  color:rgba(255,255,255,.55);padding:12px 4px 10px;
  display:flex;flex-direction:column;align-items:center;gap:5px;font-size:11px;letter-spacing:.02em;
}
.rail-tab i{display:block;width:22px;height:22px;background:currentColor;
  -webkit-mask-size:contain;mask-size:contain;-webkit-mask-repeat:no-repeat;mask-repeat:no-repeat;
  -webkit-mask-position:center;mask-position:center;}
.rail-tab:hover{color:rgba(255,255,255,.85)}
.rail-tab.is-on{color:#fff}
/* imzalı detay: aktif sekme kağıda doğru bir çentik açar */
.rail-tab.is-on::after{
  content:"";position:absolute;right:0;top:6px;bottom:6px;width:14px;
  background:var(--paper);border-radius:8px 0 0 8px;
}
.rail-tab.is-on::before{
  content:"";position:absolute;left:8px;top:10px;bottom:10px;width:3px;border-radius:3px;background:var(--accent);
}

.main{flex:1;min-width:0;display:flex;flex-direction:column}

.topbar{
  display:flex;align-items:center;gap:12px;padding:14px 22px;
  border-bottom:1px solid var(--line);background:var(--paper);
  position:sticky;top:0;z-index:5;
}
.topbar-title{font-family:var(--serif);font-size:19px;font-weight:600;white-space:nowrap}
.search{flex:1;display:flex;justify-content:center}
.search input{
  width:100%;max-width:420px;padding:9px 14px;border-radius:999px;
  border:1px solid var(--line);background:var(--surface);
}
.view{padding:22px;max-width:1000px;width:100%;margin:0 auto;flex:1;min-height:0}

/* ---------------- Ekleyici ---------------- */
.composer{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:12px;box-shadow:var(--shadow)}
.composer > input[type=text]{
  width:100%;border:0;background:none;padding:8px 6px;font-size:16px;font-family:var(--serif);
}
.composer > input[type=text]:focus{outline:none}
.composer-row{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-top:8px;padding-top:10px;border-top:1px solid var(--line)}
.mini{padding:7px 10px;border:1px solid var(--line);border-radius:9px;background:var(--surface-2);font-size:13.5px;max-width:100%}
.mini.grow{flex:1;min-width:140px}
.mini.color{padding:2px;width:40px;height:34px}

.chips{display:flex;gap:8px;margin:16px 0 12px;overflow-x:auto;-webkit-overflow-scrolling:touch;padding-bottom:2px}
.chip{
  border:1px solid var(--line);background:var(--surface);border-radius:999px;
  padding:6px 14px;font-size:13px;color:var(--muted);cursor:pointer;white-space:nowrap;
}
.chip.is-on{background:var(--accent-soft);border-color:transparent;color:var(--accent);font-weight:600}

/* ---------------- Listeler ---------------- */
.list{display:flex;flex-direction:column;gap:8px}
.list-flush{gap:0}

.row{
  display:flex;gap:12px;align-items:flex-start;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius);padding:12px 14px;
}
.row.prio-1{border-left:3px solid var(--signal)}
.row.prio-2{border-left:3px solid var(--danger)}
.row.is-done{opacity:.55}
.row.is-done .row-title{text-decoration:line-through}
.tick{
  flex:0 0 auto;width:21px;height:21px;margin-top:1px;border-radius:6px;
  border:1.5px solid var(--line);background:var(--surface-2);cursor:pointer;
  display:grid;place-items:center;color:transparent;font-size:13px;line-height:1;
}
.tick.on{background:var(--accent);border-color:var(--accent);color:#fff}
.row-main{flex:1;min-width:0}
.row-title{font-size:15px;word-break:break-word}
.row-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:5px;font-size:12.5px;color:var(--muted);align-items:center}
.tag{display:inline-flex;align-items:center;gap:5px;padding:2px 8px;border-radius:999px;background:var(--surface-2);border:1px solid var(--line)}
.tag .dot{width:7px;height:7px;border-radius:50%}
.tag.late{color:var(--danger);border-color:transparent;background:rgba(169,63,53,.1)}
.row-del{background:none;border:0;color:var(--muted);cursor:pointer;padding:4px 6px;border-radius:8px;font-size:16px;line-height:1}
.row-del:hover{color:var(--danger);background:var(--surface-2)}

.empty{padding:38px 16px;text-align:center;color:var(--muted);font-family:var(--serif);font-size:16px}

/* ---------------- Projeler ---------------- */
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:12px;margin-top:16px}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:16px;position:relative;overflow:hidden;
}
.card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--c,var(--accent))}
.card h3{font-size:17px;margin-bottom:4px}
.card p{margin:0 0 12px;color:var(--muted);font-size:13.5px}
.card-stats{display:flex;gap:14px;font-size:12.5px;color:var(--muted);align-items:center}
.card-actions{display:flex;gap:6px;margin-top:12px;flex-wrap:wrap}
.status{padding:2px 9px;border-radius:999px;font-size:11.5px;background:var(--surface-2);border:1px solid var(--line)}
.status.aktif{color:var(--accent);background:var(--accent-soft);border-color:transparent}

/* ---------------- Notlar ---------------- */
.view-notes{display:flex;flex-direction:column;padding-bottom:0}
.notebook-tabs{display:flex;gap:6px;overflow-x:auto;padding-bottom:10px;-webkit-overflow-scrolling:touch}
.nb-tab{
  border:1px solid var(--line);border-bottom:3px solid var(--c,var(--accent));
  background:var(--surface);border-radius:9px 9px 0 0;padding:7px 14px;font-size:13.5px;
  cursor:pointer;white-space:nowrap;color:var(--muted);
}
.nb-tab.is-on{color:var(--text);font-weight:600;background:var(--surface)}
.nb-add{border:1px dashed var(--line);background:none;border-radius:9px;padding:7px 12px;color:var(--muted);cursor:pointer}

.notes-pane{display:flex;gap:16px;flex:1;min-height:0;padding-bottom:22px}
.notes-list{
  flex:0 0 280px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  display:flex;flex-direction:column;overflow:hidden;max-height:calc(100dvh - 190px);
}
.notes-list-head{padding:10px;border-bottom:1px solid var(--line)}
.notes-list .list{overflow-y:auto}
.note-item{padding:12px 14px;border-bottom:1px solid var(--line);cursor:pointer}
.note-item:hover{background:var(--surface-2)}
.note-item.is-on{background:var(--accent-soft)}
.note-item h4{margin:0;font-family:var(--serif);font-size:15px;font-weight:600;display:flex;gap:6px;align-items:center}
.note-item p{margin:4px 0 0;font-size:12.5px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.note-item time{font-size:11.5px;color:var(--muted)}

.editor{
  flex:1;min-width:0;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  display:flex;flex-direction:column;overflow:hidden;max-height:calc(100dvh - 190px);
}
.editor-empty{
  flex:1;display:grid;place-items:center;color:var(--muted);font-family:var(--serif);
  border:1px dashed var(--line);border-radius:var(--radius);
}
.editor-head{padding:14px 18px 10px;border-bottom:1px solid var(--line)}
.editor-title{width:100%;border:0;background:none;font-family:var(--serif);font-size:23px;font-weight:600;padding:2px 0}
.editor-title:focus{outline:none}
.editor-meta{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-top:10px}
.toolbar{display:flex;gap:2px;padding:6px 12px;border-bottom:1px solid var(--line);background:var(--surface-2);overflow-x:auto}
.toolbar button{
  min-width:32px;height:32px;border:0;background:none;border-radius:7px;cursor:pointer;color:var(--muted);
}
.toolbar button:hover{background:var(--surface);color:var(--text)}
.tb-sep{width:1px;background:var(--line);margin:6px 5px}

.note-body{
  flex:1;overflow-y:auto;padding:22px 24px 60px;
  font-family:var(--serif);font-size:17px;line-height:1.65;
}
.note-body:focus{outline:none}
.note-body h2{font-size:21px;margin:20px 0 6px}
.note-body p{margin:0 0 10px}
.note-body ul,.note-body ol{margin:0 0 12px;padding-left:24px}
.note-body pre{background:var(--surface-2);border:1px solid var(--line);border-radius:9px;padding:12px;font-family:var(--mono);font-size:14px;overflow-x:auto;white-space:pre-wrap}
.note-body mark{background:rgba(180,113,42,.25);color:inherit;padding:0 2px;border-radius:3px}
.note-body a{color:var(--accent)}
.note-body .cb{display:flex;gap:9px;align-items:flex-start;margin:0 0 6px}
.note-body .cb input{margin-top:6px;width:16px;height:16px;accent-color:var(--accent);flex:0 0 auto}
.editor-foot{padding:7px 16px;border-top:1px solid var(--line);font-size:12px;color:var(--muted);background:var(--surface-2)}

/* ---------------- Ayarlar ---------------- */
.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:18px;margin-bottom:16px;max-width:640px}
.panel h2{font-size:18px;margin-bottom:14px}
.panel h3{font-size:15px;margin:0 0 12px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.divider{height:1px;background:var(--line);margin:18px 0}
.muted{color:var(--muted);font-size:13.5px;margin:0 0 6px}
.muted-panel{background:none;box-shadow:none}

/* ---------------- Arama sonuçları ---------------- */
.search-results{
  position:absolute;top:60px;left:50%;transform:translateX(-50%);z-index:20;
  width:min(560px,92vw);background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);box-shadow:var(--shadow);max-height:70vh;overflow-y:auto;
}
.sr-group{padding:8px 0}
.sr-group h5{margin:0;padding:6px 16px;font-size:11.5px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);font-weight:600;font-family:var(--sans)}
.sr-item{display:block;width:100%;text-align:left;background:none;border:0;padding:9px 16px;cursor:pointer;font-size:14px}
.sr-item:hover{background:var(--surface-2)}

/* ---------------- Bildirim ---------------- */
.toast{
  position:fixed;left:50%;bottom:calc(22px + env(safe-area-inset-bottom));transform:translateX(-50%);
  background:var(--ink);color:#fff;padding:11px 18px;border-radius:999px;font-size:13.5px;z-index:60;
  box-shadow:var(--shadow);max-width:88vw;
}

.only-mobile{display:none}

/* ============================================================
   Tablet
   ============================================================ */
@media (max-width:1000px){
  .notes-list{flex-basis:240px}
}

/* ============================================================
   Mobil — şerit alta iner
   ============================================================ */
@media (max-width:760px){
  .app{flex-direction:column}
  .rail{
    order:2;position:fixed;top:auto;bottom:0;left:0;right:0;width:auto;height:auto;
    flex-direction:row;align-items:center;justify-content:space-around;
    padding:6px 4px calc(6px + env(safe-area-inset-bottom));
    border-top:1px solid rgba(255,255,255,.08);z-index:30;
  }
  .rail-mark{display:none}
  .rail-tab{flex:1;padding:7px 2px 4px;font-size:10.5px}
  .rail-tab.is-on::after{right:auto;left:50%;transform:translateX(-50%);top:auto;bottom:-3px;width:26px;height:3px;border-radius:3px;background:var(--accent)}
  .rail-tab.is-on::before{display:none}
  .main{padding-bottom:70px}
  .topbar{padding:10px 14px;gap:8px}
  .topbar-title{display:none}
  .search input{max-width:none}
  .view{padding:14px}
  .search-results{top:52px}

  .grid-2{grid-template-columns:1fr}
  .cards{grid-template-columns:1fr}

  /* Notlar: liste ve düzenleyici aynı anda değil, sırayla */
  .notes-pane{display:block;padding-bottom:8px}
  .notes-list{flex:none;width:100%;max-height:none}
  .editor{max-height:none;min-height:calc(100dvh - 190px)}
  .editor-empty{display:none}
  body:not(.editing) .editor{display:none}
  body.editing .notes-list{display:none}
  body.editing .notebook-tabs{display:none}
  .only-mobile{display:inline-flex}
  .note-body{padding:16px 16px 40px;font-size:16.5px}
  .composer-row{gap:6px}
  .mini{font-size:13px}
}

@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important}
}