/* ============================================================
   Araştırma Konusu Geliştirme Sihirbazı — tasarım sistemi
   Kimlik: Alman akademik yayıncılığına selam — "Reclam sarısı"
   tek vurgu rengi, siyah grotesk başlıklar, kâğıt beyazı zemin.
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Archivo:wght@500;700;900&family=Inter:wght@400;500;600;700&display=swap');

:root {
  --paper: #FAFAF6;
  --card: #FFFFFF;
  --ink: #141414;
  --muted: #63676D;
  --line: #E4E3DC;
  --accent: #F7D407;          /* Reclam sarısı */
  --accent-ink: #141414;      /* sarı üzerinde daima siyah */
  --accent-soft: #FDF6CC;
  --ok: #2E7D4F;
  --warn: #B7791F;
  --danger: #C0392B;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(20,20,20,.05), 0 6px 20px rgba(20,20,20,.06);
  --display: 'Archivo', sans-serif;
  --body: 'Inter', sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation: none !important; transition: none !important; }
}
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font-family: var(--body); font-size: 15px; line-height: 1.55;
}
h1,h2,h3,h4 { font-family: var(--display); line-height: 1.15; margin: 0 0 .5em; }
h1 { font-size: 1.7rem; font-weight: 900; letter-spacing: -.01em; }
h2 { font-size: 1.25rem; font-weight: 700; }
h3 { font-size: 1.02rem; font-weight: 700; }
p { margin: .35em 0 .8em; }
a { color: inherit; }
small, .muted { color: var(--muted); }
button { font-family: var(--body); cursor: pointer; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; border-radius: 4px; }

/* ---------- Üst bant ---------- */
.topbar {
  display: flex; align-items: center; gap: 14px;
  padding: 12px 20px; background: var(--ink); color: #fff;
  position: sticky; top: 0; z-index: 50;
}
.topbar .mark {
  background: var(--accent); color: var(--accent-ink);
  font-family: var(--display); font-weight: 900; font-size: .8rem;
  padding: 5px 9px; border-radius: 4px; letter-spacing: .02em; white-space: nowrap;
}
.topbar .title { font-family: var(--display); font-weight: 700; font-size: .95rem; }
.topbar .spacer { flex: 1; }
.topbar .who { font-size: .8rem; opacity: .85; }
.savestate { font-size: .75rem; padding: 3px 10px; border-radius: 99px; background: rgba(255,255,255,.12); }
.savestate.saved { background: rgba(46,125,79,.35); }
.savestate.saving { background: rgba(247,212,7,.3); }

/* ---------- Düzen: sol ray + içerik ---------- */
.layout { display: grid; grid-template-columns: 250px 1fr; min-height: calc(100vh - 54px); }
.rail {
  border-right: 1px solid var(--line); background: var(--card);
  padding: 18px 0; position: sticky; top: 54px; height: calc(100vh - 54px); overflow-y: auto;
}
.rail .rail-head {
  font-family: var(--display); font-weight: 900; font-size: .7rem;
  letter-spacing: .14em; text-transform: uppercase; color: var(--muted);
  padding: 0 18px 10px;
}
.stage-btn {
  display: flex; align-items: baseline; gap: 10px; width: 100%;
  background: none; border: 0; text-align: left; padding: 9px 18px;
  border-left: 4px solid transparent; color: var(--ink); font-size: .84rem;
}
.stage-btn:hover { background: var(--accent-soft); }
.stage-btn.active { border-left-color: var(--accent); background: var(--accent-soft); font-weight: 600; }
.stage-btn .num {
  font-family: var(--display); font-weight: 900; font-size: .95rem; min-width: 22px;
  color: var(--muted);
}
.stage-btn.active .num { color: var(--ink); }
.stage-btn .done { margin-left: auto; color: var(--ok); font-weight: 700; }
.progresswrap { padding: 14px 18px 4px; }
.progressbar { height: 8px; background: var(--line); border-radius: 99px; overflow: hidden; }
.progressbar > div { height: 100%; background: var(--accent); width: 0%; transition: width .4s; }
.progresslabel { font-size: .72rem; color: var(--muted); margin-top: 5px; }

.content { padding: 28px 34px 90px; max-width: 980px; }

/* ---------- Aşama kartları ---------- */
.stage { display: none; }
.stage.visible { display: block; animation: fadein .25s ease; }
@keyframes fadein { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

.eyebrow {
  display: inline-block; background: var(--accent); color: var(--accent-ink);
  font-family: var(--display); font-weight: 900; font-size: .72rem;
  letter-spacing: .1em; text-transform: uppercase; padding: 4px 10px;
  border-radius: 4px; margin-bottom: 10px;
}
.yap {
  background: var(--card); border: 1px solid var(--line); border-left: 5px solid var(--accent);
  border-radius: var(--radius); padding: 14px 18px; margin: 14px 0 22px; font-size: .9rem;
}
.yap b { font-family: var(--display); }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 18px 20px; margin-bottom: 18px; box-shadow: var(--shadow);
}
.card h3 { margin-top: 0; }

/* ---------- Form elemanları ---------- */
label.f { display: block; font-weight: 600; font-size: .82rem; margin: 12px 0 4px; }
input[type=text], input[type=email], input[type=password], input[type=number], textarea, select {
  width: 100%; padding: 9px 12px; border: 1px solid var(--line); border-radius: 8px;
  font-family: var(--body); font-size: .9rem; background: #fff; color: var(--ink);
}
textarea { min-height: 74px; resize: vertical; }
input:focus, textarea:focus, select:focus { border-color: var(--ink); }

.checks { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 6px 14px; }
.checks label {
  display: flex; gap: 8px; align-items: flex-start; font-size: .86rem;
  padding: 7px 10px; border: 1px solid var(--line); border-radius: 8px; background: #fff;
}
.checks label:has(input:checked) { border-color: var(--ink); background: var(--accent-soft); }
.checks input { margin-top: 2px; accent-color: var(--ink); }

.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 18px; }
.grid3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 0 18px; }

table.t { width: 100%; border-collapse: collapse; font-size: .85rem; margin: 10px 0; }
table.t th {
  text-align: left; font-family: var(--display); font-size: .72rem; letter-spacing: .06em;
  text-transform: uppercase; color: var(--muted); padding: 6px 8px; border-bottom: 2px solid var(--ink);
}
table.t td { padding: 6px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
table.t input, table.t textarea { font-size: .84rem; }
table.t textarea { min-height: 44px; }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--ink); color: #fff; border: 0; border-radius: 8px;
  padding: 10px 18px; font-weight: 600; font-size: .88rem;
}
.btn:hover { opacity: .88; }
.btn.acc { background: var(--accent); color: var(--accent-ink); }
.btn.ghost { background: transparent; color: var(--ink); border: 1.5px solid var(--ink); }
.btn.sm { padding: 6px 12px; font-size: .78rem; }
.btn.ok { background: var(--ok); }
.btn.danger { background: var(--danger); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btnrow { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 14px; }

.navrow { display: flex; justify-content: space-between; margin-top: 26px; }

.hint { font-size: .8rem; color: var(--muted); }
.kontrol { background: var(--accent-soft); border: 1px dashed var(--warn); border-radius: 8px; padding: 10px 14px; font-size: .85rem; margin-top: 10px; }
.badge { display: inline-block; font-size: .72rem; font-weight: 700; padding: 2px 9px; border-radius: 99px; }
.badge.pending { background: #FDEBC8; color: var(--warn); }
.badge.approved { background: #D9EEE2; color: var(--ok); }
.badge.rejected { background: #F6DBD7; color: var(--danger); }

/* ---------- Literatür sonuçları ---------- */
.lit-result { border: 1px solid var(--line); border-radius: 8px; padding: 12px 14px; margin: 10px 0; background: #fff; }
.lit-result h4 { margin: 0 0 4px; font-size: .92rem; }
.lit-result .meta { font-size: .78rem; color: var(--muted); margin-bottom: 6px; }
.lit-result .abs { font-size: .82rem; max-height: 105px; overflow: hidden; position: relative; }
.lit-result .abs.open { max-height: none; }
.lit-result .abs:not(.open)::after {
  content: ""; position: absolute; bottom: 0; left: 0; right: 0; height: 34px;
  background: linear-gradient(transparent, #fff);
}
.lit-actions { margin-top: 8px; display: flex; gap: 8px; flex-wrap: wrap; }

/* ---------- Giriş / kayıt ekranı ---------- */
.authwrap { min-height: 100vh; display: grid; place-items: center; padding: 24px;
  background:
    linear-gradient(120deg, rgba(247,212,7,.16), transparent 55%),
    var(--paper);
}
.authcard {
  width: 100%; max-width: 440px; background: var(--card); border: 1px solid var(--line);
  border-radius: 14px; padding: 30px 32px; box-shadow: var(--shadow);
}
.authcard .mark {
  display: inline-block; background: var(--accent); color: var(--accent-ink);
  font-family: var(--display); font-weight: 900; padding: 6px 12px; border-radius: 5px;
  font-size: .82rem; margin-bottom: 14px;
}
.tabs { display: flex; border-bottom: 2px solid var(--line); margin: 14px 0 6px; }
.tabs button {
  flex: 1; background: none; border: 0; padding: 10px 6px; font-weight: 600; font-size: .88rem;
  border-bottom: 3px solid transparent; margin-bottom: -2px; color: var(--muted);
}
.tabs button.active { color: var(--ink); border-bottom-color: var(--accent); }
.msg { border-radius: 8px; padding: 10px 14px; font-size: .84rem; margin: 10px 0; display: none; }
.msg.err { display: block; background: #F6DBD7; color: var(--danger); }
.msg.ok { display: block; background: #D9EEE2; color: var(--ok); }
.msg.info { display: block; background: var(--accent-soft); color: var(--ink); }

/* ---------- Bekleme ekranı ---------- */
.waitcard { text-align: center; }
.waitcard .big { font-size: 2.6rem; }

/* ---------- Danışman paneli ---------- */
.panel-tabs { display: flex; gap: 4px; padding: 0 20px; background: var(--ink); }
.panel-tabs button {
  background: none; border: 0; color: rgba(255,255,255,.7); padding: 12px 16px;
  font-weight: 600; font-size: .86rem; border-bottom: 3px solid transparent;
}
.panel-tabs button.active { color: #fff; border-bottom-color: var(--accent); }
.panel-content { padding: 26px 30px 80px; max-width: 1200px; }
.statgrid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 14px; margin-bottom: 22px; }
.stat { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 18px; }
.stat .n { font-family: var(--display); font-weight: 900; font-size: 2rem; line-height: 1; }
.stat .l { font-size: .78rem; color: var(--muted); margin-top: 6px; }
.bar { display: flex; align-items: center; gap: 10px; font-size: .83rem; margin: 4px 0; }
.bar .track { flex: 1; height: 10px; background: var(--line); border-radius: 99px; overflow: hidden; }
.bar .fill { height: 100%; background: var(--accent); }
.bar .lab { min-width: 220px; }
.bar .val { min-width: 30px; text-align: right; font-weight: 700; }

/* ---------- Modal ---------- */
.modal-bg {
  display: none; position: fixed; inset: 0; background: rgba(20,20,20,.5); z-index: 100;
  align-items: flex-start; justify-content: center; padding: 40px 16px; overflow-y: auto;
}
.modal-bg.open { display: flex; }
.modal {
  background: var(--card); border-radius: 14px; max-width: 860px; width: 100%;
  padding: 26px 30px; position: relative;
}
.modal .close { position: absolute; top: 14px; right: 14px; }
.ozet-view h4 {
  font-family: var(--display); font-size: .74rem; text-transform: uppercase;
  letter-spacing: .1em; color: var(--muted); margin: 16px 0 3px;
  border-bottom: 1px solid var(--line); padding-bottom: 3px;
}
.ozet-view p { margin: 2px 0 6px; white-space: pre-wrap; }

/* ---------- Çıktı önizleme ---------- */
.ozet-preview {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px 32px; font-size: .9rem;
}
.ozet-preview h2 { border-bottom: 3px solid var(--accent); padding-bottom: 6px; }

/* ---------- Mobil ---------- */
@media (max-width: 860px) {
  .layout { grid-template-columns: 1fr; }
  .rail {
    position: static; height: auto; display: flex; overflow-x: auto;
    border-right: 0; border-bottom: 1px solid var(--line); padding: 8px;
  }
  .rail .rail-head, .progresswrap { display: none; }
  .stage-btn { border-left: 0; border-bottom: 4px solid transparent; white-space: nowrap; width: auto; }
  .stage-btn.active { border-bottom-color: var(--accent); }
  .stage-btn .done { display: none; }
  .content { padding: 18px 16px 70px; }
  .grid2, .grid3 { grid-template-columns: 1fr; }
  table.t { display: block; overflow-x: auto; }
}
@media print {
  .topbar, .rail, .navrow, .btnrow, .yap { display: none !important; }
  body { background: #fff; }
  .content { padding: 0; max-width: none; }
}