/* ---------- Tasarım değişkenleri (açık / koyu tema) ---------- */
:root {
  --bg: #f7f7f7;
  --card: #ffffff;
  --text: #1f1f1f;
  --muted: #6b7280;
  --border: #d9d9d9;
  --border-soft: #ececec;
  --primary: #3b7cf5;
  --primary-hover: #2f6be0;
  --primary-text: #ffffff;
  --danger: #d64545;
  --danger-hover: #b93a3a;
  --ok-bg: #e6f6ec;
  --ok-text: #1f7a43;
  --err-bg: #fdecec;
  --err-text: #a33;
  --hover: rgba(0, 0, 0, .05);
  --shadow: 0 2px 8px rgba(0, 0, 0, .06);
  --radius: 12px;
  --radius-sm: 8px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111214;
    --card: #1b1c1f;
    --text: #ececec;
    --muted: #9aa0a6;
    --border: #34363b;
    --border-soft: #2a2c30;
    --primary: #4c8dff;
    --primary-hover: #3b7cf5;
    --ok-bg: #163b27;
    --ok-text: #7fd6a2;
    --err-bg: #3d1f1f;
    --err-text: #f2a3a3;
    --hover: rgba(255, 255, 255, .07);
    --shadow: 0 2px 12px rgba(0, 0, 0, .45);
  }
}

/* ---------- Temel ---------- */
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { margin: 0 0 .6em; line-height: 1.25; }
h1 { font-size: 26px; }
h2 { font-size: 17px; }
p { margin: 0 0 .8em; }
code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: .92em; background: var(--hover); padding: 2px 6px; border-radius: 4px; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.center { text-align: center; }
.nowrap { white-space: nowrap; }
.inline { display: inline; }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.row > label { flex: 1; }
.space-between { justify-content: space-between; }
.stack { display: flex; flex-direction: column; gap: 10px; }
.actions { display: flex; gap: 10px; margin: 8px 0 32px; }

/* ---------- Kart ---------- */
.card {
  background: var(--card);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
  margin-bottom: 20px;
}
.card-title { text-align: center; font-size: 30px; margin-bottom: 22px; }

/* ---------- Form elemanları ---------- */
.input {
  width: 100%;
  font: inherit;
  color: var(--text);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 9px 12px;
  outline: none;
  transition: border-color .15s, box-shadow .15s;
}
.input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(59, 124, 245, .18); }
.input-lg { padding: 13px 16px; font-size: 17px; margin-bottom: 14px; }
.input-sm { padding: 5px 8px; font-size: 13px; }
textarea.input { resize: vertical; }
select.input { cursor: pointer; }
input[type="file"].input { padding: 8px; }
.form-grid { display: flex; flex-direction: column; gap: 14px; }
.form-grid label { display: block; font-weight: 500; }
.form-grid label .muted { font-weight: 400; }
.form-grid label > .input, .form-grid label > .row { margin-top: 5px; }
.row > .input { flex: 1; width: auto; min-width: 0; }
label.check { display: flex; align-items: center; gap: 8px; cursor: pointer; font-weight: 400; }
label.check input { width: 16px; height: 16px; accent-color: var(--primary); }
.check-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 6px 20px; margin-top: 10px; }
.check-list label.check { padding: 6px 8px; border-radius: 6px; }
.check-list label.check:hover { background: var(--hover); }
.check-list label.check input { flex: none; }
.check-list .badge { flex: none; }
.check-text { display: flex; flex-direction: column; min-width: 0; line-height: 1.3; }
.ellipsis { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ---------- Düğmeler ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  font: inherit; font-weight: 500;
  color: var(--text);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 8px 14px;
  cursor: pointer;
  text-decoration: none !important;
  transition: background .15s, border-color .15s;
  white-space: nowrap;
}
.btn:hover { background: var(--hover); }
.btn-primary { background: var(--primary); border-color: var(--primary); color: var(--primary-text); }
.btn-primary:hover { background: var(--primary-hover); border-color: var(--primary-hover); }
.btn-danger { background: transparent; border-color: var(--danger); color: var(--danger); }
.btn-danger:hover { background: var(--danger); color: #fff; }
.btn-ghost { background: transparent; border-color: transparent; color: var(--muted); }
.btn-ghost:hover { background: var(--hover); color: var(--text); }
.btn-ghost.disabled { opacity: .4; pointer-events: none; }
.btn-lg { padding: 13px 18px; font-size: 17px; }
.btn-sm { padding: 5px 10px; font-size: 13px; }
.btn-block { width: 100%; }

/* ---------- Uyarılar / rozetler ---------- */
.alert { padding: 10px 14px; border-radius: var(--radius-sm); margin-bottom: 16px; font-size: 14px; }
.alert-ok { background: var(--ok-bg); color: var(--ok-text); }
.alert-error { background: var(--err-bg); color: var(--err-text); }
.badge { display: inline-block; font-size: 11.5px; font-weight: 600; letter-spacing: .02em; padding: 2px 8px; border-radius: 999px; background: var(--hover); color: var(--muted); white-space: nowrap; }
.badge-ok { background: var(--ok-bg); color: var(--ok-text); }
.badge-off { background: var(--err-bg); color: var(--err-text); }
.badge-link { background: rgba(59, 124, 245, .12); color: var(--primary); }

/* ---------- Ziyaretçi sayfası ---------- */
.login-wrap { min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.login-card { width: 100%; max-width: 480px; padding: 32px 28px; }
.login-card .alert { text-align: center; }

.corner { position: fixed; top: 14px; right: 14px; z-index: 50; }
.corner-btn {
  width: 34px; height: 34px; border-radius: 50%;
  border: none; background: transparent; color: var(--muted);
  opacity: .35; cursor: pointer; display: grid; place-items: center;
  transition: opacity .15s, background .15s;
}
.corner-btn:hover, .corner-btn:focus-visible, .corner-btn[aria-expanded="true"] { opacity: 1; background: var(--hover); outline: none; }
.dropdown {
  position: absolute; right: 0; top: 40px; min-width: 190px;
  background: var(--card); border: 1px solid var(--border-soft); border-radius: 10px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, .12); padding: 6px;
}
.dropdown form { margin: 0; }
.dropdown-item {
  display: block; width: 100%; text-align: left;
  font: inherit; color: var(--text); background: none; border: none;
  padding: 8px 12px; border-radius: 6px; cursor: pointer; text-decoration: none !important;
}
.dropdown-item:hover { background: var(--hover); }

.files-wrap { max-width: 1000px; margin: 0 auto; padding: 56px 24px 48px; }
.files-header { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; margin-bottom: 20px; }
.files-header h1 { margin-bottom: 2px; }
.files-header p { margin: 0; }
.welcome { white-space: pre-line; margin-bottom: 24px; }
.empty { text-align: center; color: var(--muted); padding: 40px; }

.dl-grid { display: grid; grid-template-columns: repeat(var(--cols, 2), minmax(0, 1fr)); gap: 14px; }
.dl-btn {
  display: flex; align-items: center; gap: 14px;
  background: var(--primary); color: var(--primary-text);
  border-radius: 10px; padding: 16px 18px; min-height: 68px;
  text-decoration: none !important;
  transition: background .15s, transform .1s;
}
.dl-btn:hover { background: var(--primary-hover); }
.dl-btn:active { transform: scale(.99); }
.dl-icon { flex: none; display: grid; place-items: center; }
.dl-text { display: flex; flex-direction: column; min-width: 0; }
.dl-name { font-weight: 600; font-size: 16px; overflow-wrap: anywhere; }
.dl-desc { font-size: 13px; opacity: .9; }
.dl-meta { font-size: 12.5px; opacity: .75; }
.pager { display: flex; justify-content: center; align-items: center; gap: 14px; margin-top: 24px; }
@media (max-width: 640px) {
  .dl-grid { grid-template-columns: 1fr; }
  .files-wrap { padding-top: 60px; }
}

/* ---------- Yönetim ---------- */
.topbar { background: var(--card); border-bottom: 1px solid var(--border-soft); position: sticky; top: 0; z-index: 40; }
.topbar-inner { max-width: 1200px; margin: 0 auto; padding: 0 20px; height: 54px; display: flex; align-items: center; gap: 24px; }
.brand { font-weight: 700; color: var(--text); white-space: nowrap; }
.brand:hover { text-decoration: none; }
.nav { display: flex; gap: 4px; flex: 1; overflow-x: auto; }
.nav a { color: var(--muted); padding: 6px 10px; border-radius: 6px; white-space: nowrap; font-weight: 500; }
.nav a:hover { background: var(--hover); color: var(--text); text-decoration: none; }
.nav a.active { color: var(--primary); background: rgba(59, 124, 245, .1); }
.nav-group { color: var(--muted); font-size: 11.5px; text-transform: uppercase; letter-spacing: .04em; padding: 8px 4px 6px 12px; white-space: nowrap; }
.topbar-right { display: flex; align-items: center; gap: 12px; white-space: nowrap; }
.topbar-right a { color: var(--muted); }
.topbar-right a:hover, .topbar-right a.active { color: var(--primary); }
.topbar-right form { margin: 0; }
.container { max-width: 1200px; margin: 0 auto; padding: 24px 20px 48px; }
.page-title { font-size: 22px; margin-bottom: 18px; }
.narrow { max-width: 640px; }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 860px) { .two-col { grid-template-columns: 1fr; } .topbar-inner { height: auto; flex-wrap: wrap; padding: 10px 16px; gap: 10px; } }

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 14px; margin-bottom: 20px; }
.stat { background: var(--card); border: 1px solid var(--border-soft); border-radius: var(--radius); padding: 16px 18px; box-shadow: var(--shadow); }
.stat-value { display: block; font-size: 24px; font-weight: 700; }
.stat-label { display: block; font-size: 13px; color: var(--muted); }
.steps { padding-left: 20px; margin: 0; }
.steps li { margin-bottom: 8px; }

.table-wrap { overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; font-size: 14px; }
.table th, .table td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--border-soft); vertical-align: middle; }
.table th { font-size: 12.5px; text-transform: uppercase; letter-spacing: .03em; color: var(--muted); font-weight: 600; }
.table tr:hover td { background: var(--hover); }
.table-compact th, .table-compact td { padding: 6px 8px; }

.grid-preview { display: grid; gap: 4px; max-width: 320px; margin: 4px 0 18px; }
.preview-cell { height: 18px; border-radius: 4px; background: var(--primary); opacity: .55; }
.copyable { cursor: pointer; user-select: all; }

/* ---------- Sürükle-bırak sıralama ---------- */
.drag-handle { cursor: grab; color: var(--muted); user-select: none; padding: 4px 6px 4px 0; font-size: 15px; letter-spacing: -2px; display: inline-block; vertical-align: middle; }
.drag-handle:active { cursor: grabbing; }
tr.dragging { opacity: .35; }
tr.drop-target td { border-top: 2px solid var(--primary); }