/* Deneme Kutusu - Fakülte YNK Renk Teması */
:root {
  --ink: #1e293b;
  --ink-2: #334155;
  --muted: #627588;
  --line: #dbe4ec;
  --line-strong: #cbd5e1;
  --bg: #f2f6f9;
  --surface: #ffffff;

  /* Fakülte YNK Paleti */
  --slate-dark: #273b4b;       /* Koyu arduvaz / petrol lacivert */
  --slate-main: #385268;       /* Görseldeki ana zemin rengi */
  --slate-hover: #314658;
  --slate-light: #486882;
  --slate-soft: #edf3f8;

  --amber-main: #ffba5f;       /* Görseldeki altın sarı / turuncu amber */
  --amber-dark: #e89e3a;
  --amber-deep: #b86800;       /* Okunaklı koyu amber metin */
  --amber-soft: #fff6e8;       /* Kremsi amber zemin */
  --amber-border: #fcd9a3;

  --nav: #273b4b;              /* Yan menü koyu arduvaz */
  --nav-hover: #314658;
  --nav-active: #385268;
  --nav-text: #b5c4d2;

  --brand: #385268;
  --brand-dark: #273b4b;
  --brand-soft: #edf3f8;

  --accent: #ffba5f;
  --accent-hover: #e89e3a;

  --ok: #15803d;
  --ok-soft: #eaf5f0;
  --warn: #b86800;
  --warn-soft: #fff6e8;
  --bad: #b91c1c;
  --bad-soft: #fbeaea;

  --radius: 8px;
  --shadow: 0 1px 3px rgba(39, 59, 75, .08);
  --shadow-lg: 0 8px 24px rgba(39, 59, 75, .08);
  --font: "Segoe UI Variable Text", "Segoe UI", system-ui, -apple-system, Roboto, Arial, sans-serif;
}

html {
  scrollbar-gutter: stable;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: var(--font);
  font-size: 14px;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

svg.i { width: 18px; height: 18px; stroke: currentColor; fill: none; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; flex-shrink: 0; }

/* ---------- Uygulama İskeleti ---------- */
.app-shell { display: grid; grid-template-columns: 248px 1fr; min-height: 100vh; }

.sidebar {
  background: var(--nav);
  color: var(--nav-text);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
}

.brand { display: flex; align-items: center; gap: .75rem; padding: 1.35rem 1.25rem 1.25rem; border-bottom: 1px solid rgba(255,255,255,.08); }
.brand-mark { width: 34px; height: 34px; border-radius: 8px; background: var(--amber-main); color: var(--slate-dark); display: grid; place-items: center; font-weight: 700; box-shadow: 0 2px 6px rgba(0,0,0,.15); }
.brand-name { color: #fff; font-weight: 600; font-size: 15px; letter-spacing: .1px; line-height: 1.2; }
.brand-sub { font-size: 11.5px; color: var(--nav-text); }

.nav-links { display: flex; flex-direction: column; gap: 3px; padding: 1rem .75rem; flex: 1; }
.nav-label { font-size: 10.5px; text-transform: uppercase; letter-spacing: .09em; color: #7f91a5; padding: .5rem .75rem; }

.nav-item {
  display: flex; align-items: center; gap: .7rem;
  width: 100%; padding: .6rem .75rem;
  border: 0; background: transparent; color: var(--nav-text);
  font: inherit; font-weight: 500; text-align: left;
  border-radius: 6px; cursor: pointer;
  transition: background .12s, color .12s;
}
.nav-item:hover { background: var(--nav-hover); color: #fff; }
.nav-item.active { background: var(--nav-active); color: #fff; box-shadow: inset 3px 0 0 var(--amber-main); }

.side-foot { padding: 1rem 1.25rem; border-top: 1px solid rgba(255,255,255,.08); font-size: 12px; display: flex; align-items: center; gap: .5rem; color: var(--nav-text); }
.side-foot svg { color: var(--amber-main); }

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

.topbar {
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  padding: .85rem 2rem;
  display: flex; align-items: center; justify-content: space-between;
  position: sticky; top: 0; z-index: 20;
}
.page-title { font-size: 17px; font-weight: 600; color: var(--slate-dark); }
.page-sub { font-size: 12.5px; color: var(--muted); }

.user-badge { display: flex; align-items: center; gap: .75rem; }
.user-avatar { width: 34px; height: 34px; border-radius: 50%; background: var(--amber-main); color: var(--slate-dark); font-weight: 700; display: grid; place-items: center; font-size: 13px; }
.user-meta { line-height: 1.25; text-align: right; }
.user-name { font-weight: 600; font-size: 13px; color: var(--slate-dark); }
.user-role { font-size: 11.5px; color: var(--muted); }

.container { padding: 1.25rem 2rem 3rem; max-width: 100%; width: 100%; }

/* ---------- Metrik Kartları ---------- */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; margin-bottom: 1.25rem; }
.stat-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.1rem 1.25rem; box-shadow: var(--shadow); border-top: 3px solid var(--line-strong); }
.stat-card.c-brand { border-top-color: var(--slate-main); }
.stat-card.c-ok { border-top-color: var(--ok); }
.stat-card.c-warn { border-top-color: var(--amber-main); }
.stat-info h4 { font-size: 12px; font-weight: 500; color: var(--muted); margin-bottom: .35rem; }
.stat-info .value { font-size: 28px; font-weight: 600; letter-spacing: -.5px; font-variant-numeric: tabular-nums; color: var(--slate-dark); }

/* ---------- Kartlar ---------- */
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); margin-bottom: 1.25rem; }
.card-header { padding: .95rem 1.25rem; border-bottom: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; background: #fafcff; }
.card-title { font-size: 14.5px; font-weight: 600; color: var(--slate-dark); }
.card-body { padding: 1.25rem; }

.notice { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: .85rem 1.25rem; background: var(--amber-soft); border: 1px solid var(--amber-border); border-left: 3px solid var(--amber-main); border-radius: var(--radius); margin-bottom: 1.25rem; }
.notice strong { color: var(--amber-deep); font-weight: 600; }
.notice p { color: #8a4e00; font-size: 12.5px; }

/* ---------- Form Elemanları ---------- */
.form-select, .form-input {
  padding: .5rem .75rem; border: 1px solid var(--line-strong); border-radius: 6px;
  font: inherit; color: var(--ink); background: #fff; transition: border-color .12s, box-shadow .12s;
}
.form-input::placeholder { color: #94a3b8; }
.form-select:focus, .form-input:focus { outline: none; border-color: var(--slate-main); box-shadow: 0 0 0 3px rgba(56, 82, 104, .16); }
textarea.form-input { resize: vertical; }

.filter-toolbar { display: flex; flex-wrap: wrap; gap: .6rem; align-items: center; margin-bottom: 1rem; }
.search-box { flex: 1; min-width: 240px; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: .45rem; padding: .5rem .95rem; font: inherit; font-weight: 500; border-radius: 6px; cursor: pointer; border: 1px solid transparent; transition: background .12s, border-color .12s; text-decoration: none; white-space: nowrap; }
.btn-primary { background: var(--slate-main); color: #fff; }
.btn-primary:hover { background: var(--slate-dark); }
.btn-accent { background: var(--amber-main); color: var(--slate-dark); font-weight: 600; }
.btn-accent:hover { background: var(--amber-dark); }
.btn-success { background: var(--ok); color: #fff; }
.btn-success:hover { background: #116632; }
.btn-warning { background: var(--amber-main); color: var(--slate-dark); font-weight: 600; }
.btn-warning:hover { background: var(--amber-dark); }
.btn-outline { background: #fff; border-color: var(--line-strong); color: var(--ink-2); }
.btn-outline:hover { background: var(--bg); border-color: #9ca3af; }
.btn-danger-outline { color: var(--bad); }
.btn-danger-outline:hover { background: var(--bad-soft); border-color: #e5b4b4; }
.btn-sm { padding: .3rem .65rem; font-size: 12.5px; }

/* ---------- Tablolar ---------- */
.table-responsive { overflow-x: auto; border: 1px solid var(--line); border-radius: 6px; }
.data-table { width: 100%; border-collapse: collapse; text-align: left; font-size: 13.5px; }
.data-table th { background: #edf3f8; color: var(--slate-dark); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: .04em; padding: .65rem .9rem; border-bottom: 1px solid var(--line); white-space: nowrap; }
.data-table td { padding: .7rem .9rem; border-bottom: 1px solid #eef2f6; vertical-align: middle; }
.data-table tbody tr:last-child td { border-bottom: 0; }
.data-table tbody tr:hover { background: #f8fbfe; }
.cell-muted { color: var(--muted); font-size: 12.5px; }
.cell-empty { text-align: center; color: var(--muted); padding: 2.25rem !important; }

/* ---------- Durum Etiketleri ---------- */
.badge { display: inline-flex; align-items: center; gap: .4rem; padding: .18rem .6rem; font-size: 12px; font-weight: 500; border-radius: 999px; user-select: none; }
.badge::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.badge.plain::before { display: none; }
.badge-success { background: var(--ok-soft); color: var(--ok); cursor: pointer; }
.badge-warning { background: var(--amber-soft); color: var(--amber-deep); border: 1px solid var(--amber-border); cursor: pointer; }
.badge-danger { background: var(--bad-soft); color: var(--bad); }
.badge-coach { background: #edf3f8; color: var(--slate-dark); border: 1px solid #d0dce6; margin-left: .4rem; }
.badge-inf { background: var(--amber-soft); color: var(--amber-deep); border: 1px solid var(--amber-border); margin-left: .4rem; }
.badge-coach::before, .badge-inf::before { display: none; }
.badge-success:hover, .badge-warning:hover { filter: brightness(.96); }
.tag { display: inline-block; font-size: 12px; background: #eef2f6; color: var(--slate-dark); padding: .1rem .5rem; border-radius: 4px; }
.tag-pack { background: var(--slate-soft); color: var(--slate-main); font-weight: 500; }

/* Abonelik Matrisi */
.month-cell { display: inline-grid; place-items: center; width: 26px; height: 26px; border-radius: 5px; cursor: pointer; user-select: none; border: 1px solid var(--line-strong); background: #fff; color: transparent; transition: all .12s; }
.month-cell svg { width: 14px; height: 14px; stroke-width: 2.6; }
.month-cell:hover { border-color: var(--amber-main); }
.month-cell.done { background: var(--slate-main); border-color: var(--slate-main); color: var(--amber-main); }

/* Şehir Dağılımı Çubukları */
.bar-row { display: grid; grid-template-columns: 130px 1fr 44px; gap: .9rem; align-items: center; padding: .4rem 0; }
.bar-row .name { font-weight: 500; color: var(--slate-dark); }
.bar-track { height: 8px; background: #e2eaf0; border-radius: 4px; overflow: hidden; }
.bar-fill { height: 100%; background: var(--slate-main); border-radius: 4px; }
.bar-row .num { text-align: right; color: var(--muted); font-variant-numeric: tabular-nums; }

/* ---------- Modal Pencereler ---------- */
html.modal-open,
body.modal-open {
  overflow: hidden !important;
  height: 100% !important;
}

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(39, 59, 75, .5);
  backdrop-filter: blur(2px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  opacity: 0;
  pointer-events: none;
  transition: opacity .15s;
  overscroll-behavior: contain;
}
.modal-overlay.active { opacity: 1; pointer-events: auto; }
.modal-card {
  background: #fff;
  width: 92%;
  max-width: 520px;
  border-radius: 10px;
  box-shadow: 0 20px 40px rgba(0,0,0,.15);
  overflow: hidden;
  border: 1px solid var(--line);
  max-height: 90vh;
  display: flex;
  flex-direction: column;
}
.modal-header { padding: 1rem 1.25rem; border-bottom: 1px solid var(--line); display: flex; justify-content: space-between; align-items: center; background: #fafcff; flex-shrink: 0; }
.modal-header h3 { font-size: 15px; font-weight: 600; color: var(--slate-dark); }
.modal-body { padding: 1.25rem; max-height: 72vh; overflow-y: auto; overscroll-behavior: contain; }
.modal-footer { padding: .85rem 1.25rem; background: #fafcff; border-top: 1px solid var(--line); display: flex; justify-content: flex-end; gap: .6rem; flex-shrink: 0; }
.form-group { margin-bottom: .95rem; }
.form-group label { display: block; font-size: 12.5px; font-weight: 600; color: var(--slate-dark); margin-bottom: .3rem; }
.check-row { display: flex; gap: 1.5rem; }
.check-row label { display: flex; align-items: center; gap: .45rem; font-weight: 500; cursor: pointer; margin: 0; }
.summary-box { background: var(--slate-soft); border: 1px solid var(--line); padding: .7rem .9rem; border-radius: 6px; margin-bottom: 1rem; }
.enroll-type-box { border: 1px solid var(--line-strong); border-radius: 8px; padding: .75rem .9rem; cursor: pointer; background: #fff; transition: all .15s ease; display: block; }
.enroll-type-box:hover { border-color: var(--slate-main); }
.enroll-type-box.active { border-color: var(--amber-main); background: var(--amber-soft); box-shadow: 0 0 0 2px var(--amber-main); }
.enroll-type-box strong { display: block; color: var(--slate-dark); font-size: 13.5px; }

/* ---------- Giriş Ekranı (Fakülte YNK Temalı) ---------- */
.auth-wrapper { min-height: 100vh; display: grid; grid-template-columns: 1.05fr 1fr; background: #fff; }
.auth-side { background: var(--slate-main); color: #fff; padding: 3rem 3.5rem; display: flex; flex-direction: column; justify-content: space-between; }
.auth-side .brand { padding: 0; border: 0; }
.auth-side h1 { font-size: 30px; font-weight: 600; letter-spacing: -.5px; line-height: 1.25; margin-bottom: 1rem; color: #ffffff; }
.auth-side p { color: #dbe4ec; max-width: 380px; font-size: 14.5px; }
.auth-points { list-style: none; display: grid; gap: .65rem; font-size: 13.5px; color: #eaf1f7; }
.auth-points li { display: flex; align-items: center; gap: .6rem; }
.auth-points svg { color: var(--amber-main); width: 16px; height: 16px; }

.auth-main { background: var(--bg); display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 2rem; position: relative; min-width: 0; }
.auth-card { width: 100%; max-width: 420px; background: #fff; border: 1px solid var(--line); border-radius: 10px; box-shadow: var(--shadow-lg); padding: 2.25rem 2.25rem 2rem; }
.auth-card h2 { font-size: 20px; font-weight: 600; margin-bottom: .2rem; color: var(--slate-dark); }
.auth-card .lead { color: var(--muted); margin-bottom: 1.5rem; font-size: 13.5px; }

.auth-tabs { display: grid; grid-template-columns: 1fr 1fr; background: #e5edf3; border-radius: 7px; padding: 3px; margin-bottom: 1.5rem; }
.auth-tab { text-align: center; padding: .45rem 0; font-weight: 500; font-size: 13px; color: var(--muted); cursor: pointer; border-radius: 5px; transition: background .12s, color .12s; }
.auth-tab.active { background: #fff; color: var(--slate-dark); font-weight: 600; box-shadow: 0 1px 2px rgba(39,59,75,.12); }

.auth-card .form-input { width: 100%; padding: .62rem .8rem; }
.auth-card .btn { width: 100%; padding: .7rem; margin-top: .5rem; font-weight: 600; }
.auth-foot { position: absolute; bottom: 1.25rem; left: 0; right: 0; text-align: center; font-size: 12px; color: var(--muted); }

/* ---------- Bildirimler ---------- */
.toast-container { position: fixed; bottom: 20px; right: 20px; z-index: 999; display: flex; flex-direction: column; gap: .5rem; }
.toast { padding: .65rem 1rem; border-radius: 6px; color: #fff; font-size: 13px; box-shadow: 0 6px 16px rgba(0,0,0,.18); background: var(--slate-dark); border-left: 4px solid var(--amber-main); animation: fadeIn .18s ease; }
.toast.success { border-left-color: #34d399; }
.toast.error { border-left-color: #f87171; }
.toast.info { border-left-color: var(--amber-main); }
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

.settings-block { padding: 1.1rem 0; border-top: 1px solid var(--line); }
.settings-block:first-child { border-top: 0; padding-top: 0; }
.settings-block h4 { font-size: 14px; font-weight: 600; margin-bottom: .25rem; color: var(--slate-dark); }
.settings-block p { color: var(--muted); margin-bottom: .8rem; max-width: 560px; }
.info-strip { background: var(--slate-soft); border: 1px solid var(--line); border-radius: 6px; padding: .85rem 1rem; margin-bottom: 1.25rem; color: var(--slate-dark); }
.info-strip strong { color: var(--slate-dark); }

/* ---------- Duyarlı Tasarım ---------- */
@media (max-width: 1100px) { .stats-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 900px) {
  .app-shell { grid-template-columns: 1fr; }
  .sidebar { position: static; height: auto; }
  .nav-links { flex-direction: row; flex-wrap: wrap; }
  .auth-wrapper { grid-template-columns: 1fr; }
  .auth-side { display: none; }
}

/* ==========================================
   RIGHT SLIDE-OVER DRAWER (SAĞ DETAY PANELİ)
   ========================================== */
.drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.45);
  backdrop-filter: blur(2px);
  z-index: 1040;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
  overscroll-behavior: contain;
}
.drawer-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.drawer-panel {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 520px;
  max-width: 95vw;
  background: #ffffff;
  z-index: 1050;
  box-shadow: -8px 0 36px rgba(15, 23, 42, 0.22);
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.28s cubic-bezier(0.16, 1, 0.3, 1);
  overscroll-behavior: contain;
}
.drawer-panel.active {
  transform: translateX(0);
}

.drawer-header {
  padding: 1.15rem 1.4rem;
  background: var(--slate-dark);
  color: #fff;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 3px solid var(--amber-main);
  flex-shrink: 0;
}
.drawer-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--amber-main);
  color: var(--slate-dark);
  font-weight: 700;
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.drawer-title {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
  line-height: 1.25;
}
.drawer-subtitle {
  font-size: 12px;
  color: #cbd5e1;
  margin-top: 3px;
}
.drawer-close {
  background: transparent;
  border: none;
  color: #fff;
  font-size: 28px;
  line-height: 1;
  cursor: pointer;
  padding: 0 4px;
  opacity: 0.8;
  transition: opacity 0.15s;
}
.drawer-close:hover {
  opacity: 1;
}

.drawer-body {
  padding: 1.25rem 1.4rem;
  overflow-y: auto;
  flex: 1;
  overscroll-behavior: contain;
}

.drawer-status-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: .85rem 1rem;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 8px;
  margin-bottom: 1.15rem;
}
.status-pill {
  display: inline-block;
  padding: 4px 11px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
}
.status-pill.shipped {
  background: #dcfce7;
  color: #166534;
  border: 1px solid #bbf7d0;
}
.status-pill.pending {
  background: #fef3c7;
  color: #92400e;
  border: 1px solid #fde68a;
}
.status-month {
  font-size: 12px;
  color: var(--slate-dark);
  margin-left: 8px;
  font-weight: 600;
}

.drawer-section {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 1rem 1.15rem;
  margin-bottom: 1.15rem;
}
.drawer-sec-title {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-size: 13px;
  font-weight: 700;
  color: var(--slate-dark);
  margin-bottom: .85rem;
  padding-bottom: .45rem;
  border-bottom: 1px solid var(--line);
}
.drawer-sec-title svg {
  width: 16px;
  height: 16px;
  stroke: var(--slate-main);
}

.drawer-footer {
  padding: .9rem 1.4rem;
  border-top: 1px solid var(--line);
  background: #f8fafc;
  display: flex;
  gap: .75rem;
  align-items: center;
  flex-shrink: 0;
}

.detail-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: .35rem 0;
  font-size: 13px;
}
.detail-label {
  font-weight: 600;
  color: var(--slate-dark);
}
.detail-val {
  color: var(--text);
  font-weight: 500;
}
.detail-note-box {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: .5rem .75rem;
  font-size: 12.5px;
  color: var(--slate-dark);
  line-height: 1.45;
  white-space: pre-wrap;
  word-break: break-word;
}
.detail-address-box {
  width: 100%;
  background: #f8fafc;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: .6rem .75rem;
  font-size: 12.5px;
  color: var(--slate-dark);
  line-height: 1.5;
  white-space: pre-wrap;
  word-break: break-word;
}