/* ===== Tema değişkenleri ===== */
:root,
:root[data-theme="dark"] {
  --bg: #0e1119;
  --bg-grad: radial-gradient(1200px 600px at 80% -10%, rgba(109,139,255,.12), transparent 60%),
             radial-gradient(1000px 500px at 0% 0%, rgba(76,201,160,.08), transparent 55%);
  --panel: #161a29;
  --panel-2: #1d2236;
  --border: #2a3050;
  --border-soft: rgba(42,48,80,.55);
  --text: #e8eaf5;
  --text-strong: #ffffff;
  --muted: #99a0c0;
  --faint: #6b7194;
  --accent: #6d8bff;
  --accent-2: #4cc9a0;
  --accent-grad: linear-gradient(135deg, #6d8bff, #8f6dff);
  --chip: #232945;
  --thead: #1e2440;
  --danger: #ff6b6b;
  --gold: #ffc454;
  --shadow: 0 10px 30px rgba(0,0,0,.38);
  --shadow-sm: 0 2px 8px rgba(0,0,0,.25);
  --header-grad: linear-gradient(135deg, #1b2140, #12162b);
  --focus-ring: rgba(109,139,255,.28);
  --row-hover: rgba(109,139,255,.07);
}

:root[data-theme="light"] {
  --bg: #f3f5fb;
  --bg-grad: radial-gradient(1200px 600px at 82% -10%, rgba(79,110,247,.10), transparent 60%),
             radial-gradient(1000px 500px at 0% 0%, rgba(23,166,124,.08), transparent 55%);
  --panel: #ffffff;
  --panel-2: #f5f7fc;
  --border: #e1e6f2;
  --border-soft: #eef1f8;
  --text: #1e2536;
  --text-strong: #0f1628;
  --muted: #64708c;
  --faint: #9aa3ba;
  --accent: #4f6ef7;
  --accent-2: #12a074;
  --accent-grad: linear-gradient(135deg, #4f6ef7, #7c5cf5);
  --chip: #eef2fb;
  --thead: #f0f3fb;
  --danger: #e5484d;
  --gold: #e6a100;
  --shadow: 0 12px 30px rgba(40,60,120,.10);
  --shadow-sm: 0 2px 10px rgba(40,60,120,.08);
  --header-grad: linear-gradient(135deg, #ffffff, #f2f5fd);
  --focus-ring: rgba(79,110,247,.20);
  --row-hover: rgba(79,110,247,.06);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  background-image: var(--bg-grad);
  background-attachment: fixed;
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
}

/* Tema geçişini yumuşat */
body, .app-header, .filters, .table-wrap, .stat, .student-row,
input, select, .btn, thead th, tbody td, .theme-toggle, .chance, .badge {
  transition: background-color .25s ease, border-color .25s ease, color .2s ease, box-shadow .25s ease;
}

/* ===== Header ===== */
.app-header {
  background: var(--header-grad);
  border-bottom: 1px solid var(--border);
  padding: 16px 20px;
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: saturate(1.2);
}
.header-inner {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.header-title { display: flex; align-items: center; gap: 14px; }
.logo-badge {
  width: 44px;
  height: 44px;
  border-radius: 13px;
  display: grid;
  place-items: center;
  font-size: 22px;
  background: var(--accent-grad);
  box-shadow: 0 6px 18px rgba(109,139,255,.35);
  flex: none;
}
.app-header h1 {
  margin: 0;
  font-size: 20px;
  letter-spacing: .2px;
  font-weight: 800;
}
.h1-sub { font-weight: 600; font-size: 14px; color: var(--muted); }
.meta { margin: 3px 0 0; color: var(--muted); font-size: 12px; }

@media (max-width: 720px) { .h1-sub { display: none; } }
.header-right { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.header-stats { display: flex; gap: 10px; flex-wrap: wrap; }
.stat {
  background: var(--chip);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 8px 14px;
  min-width: 92px;
  text-align: center;
}
.stat b { display: block; font-size: 18px; color: var(--accent-2); font-weight: 800; }
.stat span { font-size: 11px; color: var(--muted); }

/* Tema düğmesi */
.theme-toggle {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--chip);
  color: var(--text);
  cursor: pointer;
  font-size: 18px;
  display: grid;
  place-items: center;
  flex: none;
}
.theme-toggle:hover { border-color: var(--accent); transform: translateY(-1px); }
.theme-toggle:active { transform: translateY(0); }
.theme-icon { line-height: 1; }

main { max-width: 1400px; margin: 0 auto; padding: 18px 20px 40px; }

/* ===== Filtreler ===== */
.filters {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 16px 18px;
  box-shadow: var(--shadow);
  margin-bottom: 18px;
}
.filter-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: flex-end;
  margin-bottom: 12px;
}
.filter-row:last-child { margin-bottom: 0; }

.field { display: flex; flex-direction: column; gap: 5px; min-width: 150px; }
.field.grow { flex: 1 1 260px; }
.field label { font-size: 11px; color: var(--muted); font-weight: 700; text-transform: uppercase; letter-spacing: .4px; }
.checkbox-field { justify-content: flex-end; min-width: 200px; }
.chk { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--text); text-transform: none; letter-spacing: 0; font-weight: 500; }
.chk input { width: 16px; height: 16px; accent-color: var(--accent); }

input, select {
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 9px 12px;
  font-size: 13px;
  outline: none;
}
input:focus, select:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--focus-ring); }
input::placeholder { color: var(--faint); }
select { cursor: pointer; }

.btn {
  background: var(--accent-grad);
  color: #fff;
  border: none;
  border-radius: 10px;
  padding: 10px 16px;
  font-weight: 700;
  font-size: 13px;
  cursor: pointer;
  transition: transform .08s, box-shadow .15s, opacity .15s;
  white-space: nowrap;
  box-shadow: 0 4px 14px rgba(109,139,255,.28);
}
.btn:hover { transform: translateY(-1px); box-shadow: 0 6px 18px rgba(109,139,255,.36); }
.btn:active { transform: translateY(0); }
.btn.ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
  box-shadow: none;
}
.btn.ghost:hover { background: var(--chip); border-color: var(--accent); transform: translateY(-1px); }

/* ===== Öğrenciye özel satır ===== */
.student-row {
  background: linear-gradient(135deg, rgba(76,201,160,.12), rgba(109,139,255,.10));
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 14px;
  align-items: flex-end;
  position: relative;
}
.student-title {
  flex: 1 1 100%;
  font-weight: 800;
  font-size: 13px;
  color: var(--accent-2);
  margin-bottom: 2px;
  letter-spacing: .2px;
}
.student-hint {
  flex: 1 1 100%;
  font-size: 11px;
  color: var(--muted);
  margin-top: 4px;
}
.student-hint b { color: var(--text); }

/* ===== Şans (tutabilme) kolonu ===== */
.chance-col { width: 92px; }
.chance {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-width: 74px;
  padding: 5px 6px;
  border-radius: 10px;
  border: 1px solid var(--border);
  line-height: 1.15;
}
.chance b { font-size: 15px; font-weight: 800; }
.chance i { font-style: normal; font-size: 10px; opacity: .85; }
.chance-vhigh { background: rgba(46,204,113,.16); color: #2fb865; border-color: rgba(46,204,113,.35); }
.chance-high  { background: rgba(76,201,160,.16); color: #17a074; border-color: rgba(76,201,160,.32); }
.chance-mid   { background: rgba(255,196,84,.18); color: #c98a00; border-color: rgba(255,196,84,.35); }
.chance-low   { background: rgba(255,150,84,.16); color: #d9722e; border-color: rgba(255,150,84,.32); }
.chance-vlow  { background: rgba(255,107,107,.16); color: #e5484d; border-color: rgba(255,107,107,.32); }
.chance-na    { background: transparent; color: var(--faint); border-color: transparent; }
:root[data-theme="dark"] .chance-vhigh { color: #37d67a; }
:root[data-theme="dark"] .chance-high  { color: #4cc9a0; }
:root[data-theme="dark"] .chance-mid   { color: #ffc454; }
:root[data-theme="dark"] .chance-low   { color: #ff9654; }
:root[data-theme="dark"] .chance-vlow  { color: #ff6b6b; }

/* ===== Sonuç barı ===== */
.results-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}
.result-left { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.result-info { color: var(--muted); font-size: 13px; }
.result-info b { color: var(--text); }
.chip-toggle.active {
  background: rgba(255,196,84,.18);
  border-color: var(--gold);
  color: var(--gold);
}

/* ===== İşaret (marker) ===== */
.mark-col { width: 40px; text-align: center; }
.mark-btn {
  background: transparent;
  border: none;
  cursor: pointer;
  font-size: 18px;
  line-height: 1;
  color: var(--faint);
  padding: 2px 4px;
  border-radius: 6px;
  transition: transform .1s, color .12s;
}
.mark-btn:hover { color: var(--gold); transform: scale(1.2); }
.mark-btn.on { color: var(--gold); }
thead th.mark-col { color: var(--gold); }

tbody tr.marked-row {
  background: rgba(255,196,84,.10);
  box-shadow: inset 3px 0 0 var(--gold);
}
tbody tr.marked-row:hover { background: rgba(255,196,84,.16); }

.pager { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.pager label { font-size: 11px; color: var(--muted); }
.page-info { font-size: 13px; color: var(--muted); min-width: 110px; text-align: center; }

/* ===== Tablo ===== */
.table-wrap {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: auto;
  box-shadow: var(--shadow);
  max-height: calc(100vh - 340px);
}
table { border-collapse: collapse; width: 100%; }
thead th {
  position: sticky;
  top: 0;
  background: var(--thead);
  color: var(--muted);
  text-align: left;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .4px;
  padding: 12px;
  border-bottom: 1px solid var(--border);
  z-index: 5;
  white-space: nowrap;
}
th.num, td.num { text-align: right; }
tbody td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border-soft);
  vertical-align: top;
}
tbody tr:hover { background: var(--row-hover); }
.code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; color: var(--muted); font-size: 12px; }
.uni-name { font-weight: 600; }
.uni-city { color: var(--muted); font-size: 11px; }
.prog-name { font-weight: 600; color: var(--text-strong); }
.fac-name { color: var(--muted); font-size: 12px; }
.score { font-weight: 700; color: var(--accent-2); }
.rank { font-weight: 600; }
.dash { color: var(--faint); }
.cond { color: var(--muted); font-size: 12px; max-width: 160px; }

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 700;
  border: 1px solid var(--border);
}
.badge.SAY { background: rgba(18,160,116,.15); color: #12a074; }
.badge.EA  { background: rgba(79,110,247,.15); color: #4f6ef7; }
.badge.SÖZ { background: rgba(217,114,46,.15); color: #d9722e; }
.badge.DİL { background: rgba(180,70,220,.15); color: #b446dc; }
.badge.TYT { background: rgba(110,120,150,.15); color: #6b7594; }
:root[data-theme="dark"] .badge.SAY { color: #4cc9a0; }
:root[data-theme="dark"] .badge.EA  { color: #6d8bff; }
:root[data-theme="dark"] .badge.SÖZ { color: #ffb454; }
:root[data-theme="dark"] .badge.DİL { color: #e96dff; }
:root[data-theme="dark"] .badge.TYT { color: #b9c0e0; }
.lvl { font-size: 10px; color: var(--muted); display: block; margin-top: 3px; }

.empty { padding: 40px; text-align: center; color: var(--muted); }

.app-footer {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 20px 30px;
  color: var(--faint);
  font-size: 12px;
}
.footer-contact { margin-top: 6px; }
.footer-contact a { color: var(--accent); text-decoration: none; }
.footer-contact a:hover { text-decoration: underline; }

/* ===== Scrollbar ===== */
.table-wrap::-webkit-scrollbar { width: 12px; height: 12px; }
.table-wrap::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 10px;
  border: 3px solid var(--panel);
}
.table-wrap::-webkit-scrollbar-thumb:hover { background: var(--accent); }

/* ===== SEO içerik + SSS accordion ===== */
.seo-section {
  max-width: 900px;
  margin: 10px auto 0;
  padding: 0 20px;
}
.seo-inner {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px 26px;
  box-shadow: var(--shadow);
}
.seo-inner h2 {
  font-size: 20px;
  font-weight: 800;
  margin: 0 0 12px;
  color: var(--text-strong);
}
.seo-inner h2.faq-title { margin-top: 28px; }
.seo-inner h3 {
  font-size: 15px;
  font-weight: 700;
  margin: 20px 0 10px;
  color: var(--text-strong);
}
.seo-inner p { color: var(--muted); line-height: 1.7; margin: 0 0 12px; }
.seo-inner strong { color: var(--text); }
.seo-list { color: var(--muted); line-height: 1.8; margin: 0; padding-left: 20px; }
.seo-list li { margin-bottom: 4px; }
.seo-list strong { color: var(--text); }

.faq { display: flex; flex-direction: column; gap: 10px; }
.faq-item {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  transition: border-color .2s ease;
}
.faq-item[open] { border-color: var(--accent); }
.faq-item summary {
  cursor: pointer;
  padding: 14px 44px 14px 16px;
  font-weight: 700;
  font-size: 14px;
  color: var(--text);
  list-style: none;
  position: relative;
  user-select: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 20px;
  font-weight: 700;
  color: var(--accent);
  transition: transform .2s ease;
}
.faq-item[open] summary::after { content: "−"; }
.faq-item summary:hover { color: var(--accent); }
.faq-answer { padding: 0 16px 14px; }
.faq-answer p { margin: 0; font-size: 13px; line-height: 1.7; }

.seo-disclaimer { font-size: 12px; color: var(--faint); margin-top: 22px; }
.seo-disclaimer a { color: var(--accent); text-decoration: none; }
.seo-disclaimer a:hover { text-decoration: underline; }

@media (max-width: 720px) {
  .field, .field.grow { min-width: 100%; flex: 1 1 100%; }
  .table-wrap { max-height: none; }
  .header-right { width: 100%; justify-content: space-between; }
  .seo-inner { padding: 18px 16px; }
}