/* TCL Sertifika — tasarım sistemi: design-system/tcl-sertifika/MASTER.md */

:root {
  --color-primary: #334155;
  --color-primary-hover: #1E293B;
  --color-on-primary: #FFFFFF;
  --color-secondary: #475569;
  --color-accent: #059669;
  --color-accent-strong: #047857;
  --color-accent-deep: #065F46;
  --color-bg: #F8FAFC;
  --color-fg: #0F172A;
  --color-card: #FFFFFF;
  --color-muted: #F2F3F4;
  --color-muted-fg: #475569;
  --color-subtle-fg: #64748B;
  --color-border: #E6E8EA;
  --color-border-strong: #CBD5E1;
  --color-destructive: #DC2626;
  --color-ring: #334155;
  --color-row-hover: #F8FAFC;
  --color-row-selected: #F0FDF4;
  --color-ok-bg: #ECFDF5;
  --color-ok-border: #A7F3D0;
  --color-ok-fg: #065F46;
  --color-warn-bg: #FFFBEB;
  --color-warn-border: #FDE68A;
  --color-warn-fg: #92400E;
  --color-idle-bg: #F2F3F4;
  --color-idle-border: #E2E8F0;
  --color-idle-fg: #475569;
  --color-danger-bg: #FEF2F2;
  --color-danger-border: #FECACA;
  --color-danger-fg: #991B1B;
  --color-info-bg: #F1F5F9;
  --color-header-bg: #E2E8F0;
  --color-header-border: #CBD5E1;
  --color-header-hover: rgb(15 23 42 / 0.06);
  --color-grid-light: rgb(15 23 42 / 0.035);
  --color-backdrop: rgb(15 23 42 / 0.55);
  --color-pdf-bg: #525659;

  --font-sans: 'IBM Plex Sans', system-ui, -apple-system, 'Segoe UI', sans-serif;

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;

  --radius: 4px;
  --radius-lg: 6px;
  --shadow-dialog: 0 24px 64px rgb(15 23 42 / 0.35);
  --ease: cubic-bezier(0.2, 0.6, 0.2, 1);
  --dur: 180ms;
}

/* ---------- Temel ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.5;
  color: var(--color-fg);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}
main { flex: 1; }
h1, h2, h3 { margin: 0; line-height: 1.2; font-weight: 600; letter-spacing: -0.01em; }
h1 { font-size: 1.75rem; }
h2 { font-size: 1.25rem; }
h3 { font-size: 1rem; }
p { margin: 0; }
a { color: var(--color-primary); text-underline-offset: 3px; transition: color var(--dur) var(--ease); }
a:hover { color: var(--color-fg); }
:focus-visible { outline: 2px solid var(--color-ring); outline-offset: 2px; }
a, button, label, summary, input, select, textarea { touch-action: manipulation; }
.icon { flex: none; vertical-align: middle; }
/* Sayısal veriler (sertifika no, tarih, adet): aynı sans font, sabit genişlikli rakamlar */
.mono { font-variant-numeric: tabular-nums; }
.muted { color: var(--color-muted-fg); }
.nowrap { white-space: nowrap; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}
.skip-link {
  position: absolute; left: var(--space-4); top: -100px; z-index: 100;
  padding: var(--space-2) var(--space-4); background: var(--color-fg); color: var(--color-card);
}
.skip-link:focus { top: var(--space-2); color: var(--color-card); }
.container { width: 100%; max-width: 1680px; margin: 0 auto; padding: 0 var(--space-4); }
@media (min-width: 768px) { .container { padding: 0 var(--space-6); } }
@media (min-width: 1440px) { .container { padding: 0 var(--space-7); } }
@media (max-width: 599px) { .hide-sm { display: none; } }

/* ---------- Sistem uyarı şeridi (test modu / bakım) ---------- */
.system-banner { background: var(--color-warn-bg); border-bottom: 1px solid var(--color-warn-border); color: var(--color-warn-fg); font-size: 0.875rem; }
.system-banner__inner { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-1) var(--space-5); min-height: 36px; padding-top: 6px; padding-bottom: 6px; }
.system-banner span { display: inline-flex; align-items: center; gap: var(--space-2); }
.system-banner a { margin-left: auto; color: var(--color-warn-fg); font-weight: 600; }

/* ---------- Üst bar (açık çelik ton; logo orijinal renkleriyle) ---------- */
.topbar {
  position: relative; z-index: 10; background: var(--color-header-bg); color: var(--color-fg);
  border-bottom: 1px solid var(--color-header-border); box-shadow: 0 1px 3px rgb(15 23 42 / 0.06), 0 4px 12px rgb(15 23 42 / 0.04);
}
.topbar__inner {
  display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-2) var(--space-5);
  min-height: 72px; padding-top: var(--space-2); padding-bottom: var(--space-2);
}
.brand { display: inline-flex; align-items: center; gap: var(--space-3); color: var(--color-fg); text-decoration: none; font-weight: 600; }
.brand:hover { color: var(--color-fg); }
.brand__logo { display: block; height: 48px; width: auto; }
.brand__text { padding-left: var(--space-3); border-left: 1px solid var(--color-header-border); font-size: 0.9375rem; line-height: 1.3; }
@media (max-width: 479px) { .brand__logo { height: 40px; } .brand__text { font-size: 0.875rem; } }
.topnav { display: flex; gap: var(--space-1); order: 3; width: 100%; overflow-x: auto; scrollbar-width: none; }
.topnav::-webkit-scrollbar { display: none; }
@media (min-width: 900px) { .topnav { order: 0; width: auto; flex: 1; } }
.topnav__link {
  display: inline-flex; align-items: center; gap: var(--space-2); min-height: 44px; padding: 0 var(--space-3);
  color: var(--color-secondary); text-decoration: none; font-weight: 500; border-radius: var(--radius); white-space: nowrap;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}
.topnav__link:hover { color: var(--color-fg); background: var(--color-header-hover); }
.topnav__link.is-active { color: var(--color-fg); box-shadow: inset 0 -2px 0 var(--color-primary); border-radius: 0; }
.topbar__user { display: flex; align-items: center; gap: var(--space-2); margin-left: auto; }
.topbar__user form { margin: 0; }
.topbar__name { display: none; font-size: 0.875rem; color: var(--color-secondary); }
@media (min-width: 1200px) { .topbar__name { display: inline; } }
.topbar--customer .topbar__name { display: none; }
@media (min-width: 600px) { .topbar--customer .topbar__name { display: inline; } }
.role-tag { margin-left: var(--space-2); font-size: 0.75rem; font-weight: 500; color: var(--color-subtle-fg); }
.topbar__action {
  display: inline-flex; align-items: center; gap: 6px; min-height: 44px; padding: 0 var(--space-3);
  font: inherit; font-size: 0.875rem; color: var(--color-fg); background: transparent;
  border: 1px solid var(--color-header-border); border-radius: var(--radius); text-decoration: none; cursor: pointer;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.topbar__action:hover { background: var(--color-card); border-color: var(--color-border-strong); color: var(--color-fg); }

/* ---------- Sayfa ---------- */
.page { padding-top: var(--space-6); padding-bottom: var(--space-7); animation: page-in 240ms var(--ease) both; }
@keyframes page-in { from { opacity: 0; transform: translateY(4px); } }
.page-head { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: var(--space-4); margin-bottom: var(--space-5); }
.page-head__actions { display: flex; flex-wrap: wrap; gap: var(--space-2); }
.page-head__meta { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-2); margin-top: var(--space-2); }
.eyebrow {
  margin-bottom: var(--space-1); font-size: 0.875rem; font-weight: 500; color: var(--color-muted-fg);
}
.back-link {
  display: inline-flex; align-items: center; gap: 6px; min-height: 32px; margin-bottom: var(--space-2);
  font-size: 0.875rem; color: var(--color-muted-fg); text-decoration: none;
}
.back-link:hover { color: var(--color-fg); }
.section { margin-top: var(--space-6); }
.section__head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--space-3); margin-bottom: var(--space-3); }
.lede { color: var(--color-muted-fg); max-width: 70ch; }

/* ---------- Kart ---------- */
.card { background: var(--color-card); border: 1px solid var(--color-border); border-radius: var(--radius-lg); }
.card__head {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--space-3);
  padding: var(--space-4) var(--space-5); border-bottom: 1px solid var(--color-border);
}
.card__body { padding: var(--space-5); }
.card + .card { margin-top: var(--space-5); }
.grid-2 > .card + .card { margin-top: 0; }
.grid-2 { display: grid; gap: var(--space-5); }
@media (min-width: 960px) { .grid-2 { grid-template-columns: 2fr 1fr; align-items: start; } }

/* ---------- Bilgi listesi ---------- */
.facts { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: var(--space-4) var(--space-5); margin: 0; }
.facts dt, .label-mono {
  font-size: 0.8125rem; font-weight: 500; color: var(--color-muted-fg);
}
.facts dd { margin: var(--space-1) 0 0; overflow-wrap: anywhere; }
.plain-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 2px; }

/* ---------- Butonlar ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2);
  min-height: 44px; padding: 0 var(--space-4);
  font: inherit; font-size: 0.9375rem; font-weight: 500; line-height: 1.2; white-space: nowrap;
  color: var(--color-fg); background: var(--color-card);
  border: 1px solid var(--color-border-strong); border-radius: var(--radius);
  text-decoration: none; cursor: pointer;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.btn:hover { border-color: var(--color-secondary); color: var(--color-fg); }
.btn--primary { background: var(--color-primary); border-color: var(--color-primary); color: var(--color-on-primary); }
.btn--primary:hover { background: var(--color-primary-hover); border-color: var(--color-primary-hover); color: var(--color-on-primary); }
.btn--accent { background: var(--color-accent-strong); border-color: var(--color-accent-strong); color: var(--color-on-primary); }
.btn--accent:hover { background: var(--color-accent-deep); border-color: var(--color-accent-deep); color: var(--color-on-primary); }
.btn--ghost { background: transparent; border-color: transparent; color: var(--color-primary); }
.btn--ghost:hover { background: var(--color-muted); border-color: transparent; }
.btn--danger { color: var(--color-destructive); border-color: var(--color-danger-border); }
.btn--danger:hover { background: var(--color-danger-bg); border-color: var(--color-destructive); color: var(--color-danger-fg); }
.btn--block { width: 100%; }
.btn--sm { padding: 0 var(--space-3); font-size: 0.875rem; }
@media (pointer: fine) { .btn--sm { min-height: 34px; } }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }
.btn.is-busy { cursor: progress; opacity: 0.8; }
.btn.is-busy::before {
  content: ''; width: 14px; height: 14px; border-radius: 50%;
  border: 2px solid currentColor; border-right-color: transparent; animation: spin 700ms linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.inline-form { display: inline; margin: 0; }
.actions { display: flex; flex-wrap: wrap; gap: var(--space-2); }

/* ---------- Formlar ---------- */
.form { display: grid; gap: var(--space-4); }
.form--narrow { max-width: 640px; }
.form-grid { display: grid; gap: var(--space-4); }
@media (min-width: 640px) { .form-grid--2 { grid-template-columns: 1fr 1fr; } }
.field { display: grid; gap: 6px; align-content: start; }
.field > label, .field > .label, fieldset.field > legend { font-weight: 500; font-size: 0.9375rem; }
fieldset.field { margin: 0; padding: 0; border: 0; min-width: 0; }
.field > .segmented { justify-self: start; }
.req { color: var(--color-destructive); margin-left: 2px; }
.input, .field input[type='text'], .field input[type='email'], .field input[type='password'],
.field input[type='date'], .field input[type='search'], .field textarea {
  width: 100%; min-height: 44px; padding: 10px 12px;
  font: inherit; color: var(--color-fg); background: var(--color-card);
  border: 1px solid var(--color-border-strong); border-radius: var(--radius);
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.field textarea { min-height: 104px; resize: vertical; }
.input:focus-visible, .field input:focus-visible, .field textarea:focus-visible {
  outline: none; border-color: var(--color-primary); box-shadow: 0 0 0 3px rgb(51 65 85 / 0.18);
}
.field input[aria-invalid='true'], .field textarea[aria-invalid='true'] { border-color: var(--color-destructive); }
.hint { font-size: 0.875rem; color: var(--color-muted-fg); }
.field-error { display: flex; align-items: flex-start; gap: 6px; font-size: 0.875rem; color: var(--color-danger-fg); }
.field-error .icon { margin-top: 2px; }
.form-actions { display: flex; flex-wrap: wrap; gap: var(--space-2); padding-top: var(--space-2); }
input[type='checkbox'] { width: 20px; height: 20px; margin: 0; accent-color: var(--color-accent-strong); cursor: pointer; }
input[type='checkbox']:disabled { cursor: not-allowed; }
.check { display: inline-flex; align-items: center; justify-content: center; min-width: 44px; min-height: 44px; cursor: pointer; }

.segmented { display: inline-flex; flex-wrap: wrap; margin: 0; padding: 0; min-width: 0; border: 1px solid var(--color-border-strong); border-radius: var(--radius); overflow: hidden; background: var(--color-card); }
.segmented label { position: relative; }
.segmented input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.segmented span {
  display: inline-flex; align-items: center; min-height: 44px; padding: 0 var(--space-4);
  font-size: 0.875rem; font-weight: 500; cursor: pointer;
  border-right: 1px solid var(--color-border-strong); transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}
.segmented label:last-child span { border-right: 0; }
.segmented span:hover { background: var(--color-muted); }
.segmented input:checked + span { background: var(--color-primary); color: var(--color-on-primary); }
.segmented input:focus-visible + span { outline: 2px solid var(--color-ring); outline-offset: -4px; }

.file-btn { position: relative; }
.file-btn input[type='file'] { position: absolute; inset: 0; opacity: 0; cursor: pointer; width: 100%; }
.file-btn:focus-within { outline: 2px solid var(--color-ring); outline-offset: 2px; }

.disclosure > summary { list-style: none; }
.disclosure > summary::-webkit-details-marker { display: none; }
.disclosure__panel {
  margin-top: var(--space-3); padding: var(--space-4);
  border: 1px solid var(--color-border); border-radius: var(--radius-lg); background: var(--color-card);
}

/* ---------- Açılır müşteri bilgileri ---------- */
.info-panel { margin-bottom: var(--space-5); }
.info-panel > summary { list-style: none; }
.info-panel > summary::-webkit-details-marker { display: none; }
.info-panel__toggle .icon { transition: transform var(--dur) var(--ease); }
.info-panel[open] .info-panel__toggle .icon { transform: rotate(180deg); }
.info-panel__when-open { display: none; }
.info-panel[open] .info-panel__when-open { display: inline; }
.info-panel[open] .info-panel__when-closed { display: none; }
.info-panel__body { margin-top: var(--space-3); padding: var(--space-4) var(--space-5); }
.info-row { display: flex; flex-wrap: wrap; gap: var(--space-3) var(--space-6); margin: 0; }
.info-row__item { flex: 0 1 auto; min-width: 0; }
.info-row__item--grow { max-width: 620px; }
.info-row dt { font-size: 0.8125rem; font-weight: 500; color: var(--color-muted-fg); }
.info-row dd { margin: 2px 0 0; overflow-wrap: break-word; }
.inline-list { display: flex; flex-wrap: wrap; gap: 0 var(--space-2); margin: 0; padding: 0; list-style: none; }
.inline-list li:not(:last-child)::after { content: ','; }
.info-panel__password {
  display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-2) var(--space-3);
  margin: var(--space-4) 0 0; padding-top: var(--space-4); border-top: 1px solid var(--color-border);
}
.info-panel__password label { font-size: 0.875rem; font-weight: 500; }
.info-panel__password .input { width: 200px; min-height: 36px; padding: 6px 10px; }
.info-panel__password .hint { flex-basis: 100%; }
@media (min-width: 900px) { .info-panel__password .hint { flex-basis: auto; } }

/* ---------- Sistem ayarları ---------- */
.settings-form { display: grid; gap: var(--space-5); }
.settings-group { margin: 0; padding: 0 0 var(--space-5); border: 0; border-bottom: 1px solid var(--color-border); min-width: 0; }
.settings-group legend { padding: 0; margin-bottom: var(--space-3); font-size: 1rem; font-weight: 600; }
.settings-grid { display: grid; gap: var(--space-4) var(--space-5); grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
.field--wide { grid-column: 1 / -1; }
.input-unit { display: flex; align-items: stretch; max-width: 220px; }
.input-unit .input { border-top-right-radius: 0; border-bottom-right-radius: 0; font-variant-numeric: tabular-nums; }
.input-unit__suffix {
  display: inline-flex; align-items: center; padding: 0 var(--space-3); font-size: 0.875rem; color: var(--color-muted-fg);
  background: var(--color-muted); border: 1px solid var(--color-border-strong); border-left: 0; border-radius: 0 var(--radius) var(--radius) 0;
}
.switch { position: relative; display: inline-flex; align-items: center; gap: var(--space-3); min-height: 44px; cursor: pointer; font-weight: 500; }
.switch input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.switch__track {
  position: relative; flex: none; width: 40px; height: 22px; border-radius: 999px; background: var(--color-border-strong);
  transition: background var(--dur) var(--ease);
}
.switch__track::after {
  content: ''; position: absolute; top: 3px; left: 3px; width: 16px; height: 16px; border-radius: 50%;
  background: var(--color-card); box-shadow: 0 1px 2px rgb(15 23 42 / 0.25); transition: transform var(--dur) var(--ease);
}
.switch input:checked + .switch__track { background: var(--color-accent-strong); }
.switch input:checked + .switch__track::after { transform: translateX(18px); }
.switch input:focus-visible + .switch__track { outline: 2px solid var(--color-ring); outline-offset: 2px; }
.card__head--sub { border-top: 1px solid var(--color-border); }
.card__head--sub h3 { font-size: 0.9375rem; }

/* ---------- Kayıtlar ve sayfalama ---------- */
.select { width: auto; min-width: 200px; padding-right: 32px; }
.audit-details { font-size: 0.8125rem; color: var(--color-secondary); }
.audit-details span { display: block; overflow-wrap: anywhere; }
.audit-details b { font-weight: 500; color: var(--color-muted-fg); }
.audit-warn { color: var(--color-danger-fg); font-weight: 500; }
.pager { display: flex; align-items: center; justify-content: center; gap: var(--space-3); padding: var(--space-4); border-top: 1px solid var(--color-border); }

/* ---------- Toplu yükleme ---------- */
.dropzone {
  position: relative; display: grid; justify-items: center; gap: var(--space-2); padding: var(--space-7) var(--space-5);
  text-align: center; color: var(--color-muted-fg); background: var(--color-bg);
  border: 2px dashed var(--color-border-strong); border-radius: var(--radius-lg); cursor: pointer;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.dropzone:hover, .dropzone:focus-within, .dropzone.is-dragover { border-color: var(--color-primary); background: var(--color-card); }
.dropzone input[type='file'] { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0; cursor: pointer; }
.dropzone__title { font-weight: 600; color: var(--color-fg); }
.dropzone__hint { font-size: 0.875rem; }
.check-row { display: flex; align-items: flex-start; gap: var(--space-3); font-size: 0.9375rem; cursor: pointer; }
.check-row input { margin-top: 2px; flex: none; }

/* ---------- Uyarılar ---------- */
.alert {
  display: flex; align-items: flex-start; gap: var(--space-3); margin-bottom: var(--space-4);
  padding: var(--space-3) var(--space-4); font-size: 0.9375rem;
  border: 1px solid; border-left-width: 4px; border-radius: var(--radius);
}
.alert .icon { margin-top: 2px; }
.alert--ok { background: var(--color-ok-bg); border-color: var(--color-ok-border); border-left-color: var(--color-accent); color: var(--color-ok-fg); }
.alert--error { background: var(--color-danger-bg); border-color: var(--color-danger-border); border-left-color: var(--color-destructive); color: var(--color-danger-fg); }
.alert--info { background: var(--color-info-bg); border-color: var(--color-border-strong); border-left-color: var(--color-primary); color: var(--color-fg); }
.alert--warn { background: var(--color-warn-bg); border-color: var(--color-warn-border); border-left-color: var(--color-warn-fg); color: var(--color-warn-fg); }

/* ---------- Rozet ve etiket ---------- */
.badge {
  display: inline-flex; align-items: center; gap: 6px; padding: 3px 10px 3px 8px;
  font-size: 0.8125rem; font-weight: 500; white-space: nowrap;
  border: 1px solid transparent; border-radius: 999px;
}
.badge--idle { background: var(--color-idle-bg); border-color: var(--color-idle-border); color: var(--color-idle-fg); }
.badge--warn { background: var(--color-warn-bg); border-color: var(--color-warn-border); color: var(--color-warn-fg); }
.badge--ok { background: var(--color-ok-bg); border-color: var(--color-ok-border); color: var(--color-ok-fg); }
.badge--danger { background: var(--color-danger-bg); border-color: var(--color-danger-border); color: var(--color-danger-fg); }
.tag {
  display: inline-block; padding: 1px 8px; font-size: 0.75rem; font-weight: 600; letter-spacing: 0.02em;
  border: 1px solid var(--color-border-strong); border-radius: 2px; color: var(--color-fg); background: var(--color-card);
}

/* ---------- Araç çubuğu ve arama ---------- */
.toolbar {
  display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-3);
  padding: var(--space-3) var(--space-5); border-bottom: 1px solid var(--color-border); background: var(--color-bg);
}
.toolbar__spacer { flex: 1; }
.toolbar__count { font-size: 0.875rem; color: var(--color-muted-fg); font-variant-numeric: tabular-nums; }
.search { position: relative; flex: 1 1 260px; }
.search .icon { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); color: var(--color-muted-fg); pointer-events: none; }
.search input { padding-left: 40px; }
.filters { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-3); width: 100%; }

/* ---------- Tablo ---------- */
.table-wrap { overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; font-size: 0.9375rem; }
.table th {
  padding: 10px; text-align: left; white-space: nowrap;
  font-size: 0.8125rem; font-weight: 600;
  color: var(--color-muted-fg); border-bottom: 1px solid var(--color-border-strong);
}
.table td { padding: 12px 10px; border-bottom: 1px solid var(--color-border); vertical-align: middle; }
.table tbody tr { transition: background var(--dur) var(--ease); }
.table tbody tr:hover { background: var(--color-row-hover); }
.table tbody tr.is-selected { background: var(--color-row-selected); }
.table tbody tr:last-child td { border-bottom: 0; }
.table tbody tr:target { box-shadow: inset 3px 0 0 var(--color-accent); }
.table .col-check { width: 52px; padding-top: 0; padding-bottom: 0; }
.table .col-actions { text-align: right; }
.cell-actions { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 6px; }
.cell-actions form { margin: 0; }
.status-cell { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-2); }
.status-cell form { margin: 0; }
.access-info { display: flex; flex-wrap: wrap; gap: 2px var(--space-3); margin-top: 6px; font-size: 0.75rem; color: var(--color-muted-fg); }
.access-info span { display: inline-flex; align-items: center; gap: 4px; white-space: nowrap; }
.access-info--none { color: var(--color-subtle-fg); }
.device__brand { display: block; font-weight: 500; }
.device__model { display: block; font-size: 0.875rem; color: var(--color-muted-fg); }
@media (max-width: 767px) { .device__brand, .device__model { display: inline; } }
.strong-link { font-weight: 500; text-decoration: none; }
.strong-link:hover { text-decoration: underline; }
@media (max-width: 767px) {
  .table--stack thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0, 0, 0, 0); }
  .table--stack, .table--stack tbody, .table--stack tr, .table--stack td { display: block; width: 100%; }
  .table--stack tbody { padding: var(--space-3); }
  .table--stack tr {
    margin-bottom: var(--space-3); padding: var(--space-2) var(--space-3);
    background: var(--color-card); border: 1px solid var(--color-border); border-radius: var(--radius-lg);
  }
  .table--stack td { display: flex; align-items: center; justify-content: space-between; gap: var(--space-3); padding: 6px 0; border: 0; text-align: right; }
  .table--stack td::before {
    content: attr(data-label); text-align: left; flex: none;
    font-size: 0.8125rem; font-weight: 500; color: var(--color-muted-fg);
  }
  .table--stack td.col-check { width: 100%; }
  .table--stack td.col-actions::before { content: none; }
  .table--stack .cell-actions { justify-content: flex-start; width: 100%; }
  .table--stack td.col-actions { padding-top: var(--space-2); border-top: 1px solid var(--color-border); }
  .table-wrap { overflow: visible; }
}

/* ---------- Boş durum ---------- */
.empty { padding: var(--space-7) var(--space-5); text-align: center; color: var(--color-muted-fg); }
.empty .icon { color: var(--color-border-strong); margin-bottom: var(--space-3); }
.empty h3 { margin-bottom: var(--space-1); color: var(--color-fg); }
.empty .btn { margin-top: var(--space-4); }

/* ---------- Giriş ekranı ---------- */
.auth { flex: 1; display: grid; min-height: 100vh; min-height: 100dvh; }
@media (min-width: 960px) { .auth { grid-template-columns: minmax(380px, 5fr) 7fr; } }
.auth__panel { display: none; }
@media (min-width: 960px) {
  .auth__panel {
    position: relative; overflow: hidden; display: flex; flex-direction: column; justify-content: space-between;
    padding: var(--space-7) var(--space-6) var(--space-6); background: var(--color-header-bg); color: var(--color-fg);
    border-right: 1px solid var(--color-header-border);
  }
  .auth__panel::before {
    content: ''; position: absolute; inset: 0; pointer-events: none;
    background-image:
      linear-gradient(var(--color-grid-light) 1px, transparent 1px),
      linear-gradient(90deg, var(--color-grid-light) 1px, transparent 1px);
    background-size: 40px 40px;
  }
  .auth__panel > * { position: relative; }
}
.auth__brand img { display: block; height: 112px; width: auto; }
.auth__claim { max-width: 13ch; font-size: 2.5rem; line-height: 1.12; font-weight: 500; letter-spacing: -0.02em; color: var(--color-fg); }
.auth__meta { margin-top: var(--space-4); font-size: 0.875rem; font-weight: 500; letter-spacing: 0.02em; color: var(--color-muted-fg); }
.auth__main { display: flex; align-items: center; justify-content: center; padding: var(--space-6) var(--space-4); }
.auth__card { width: 100%; max-width: 400px; }
.auth__card h1 { margin-bottom: var(--space-5); }
.auth__mobile-brand { display: flex; align-items: center; gap: var(--space-3); margin-bottom: var(--space-6); font-weight: 600; }
@media (min-width: 960px) { .auth__mobile-brand { display: none; } }
.auth__mobile-brand img { display: block; height: 56px; width: auto; }
.auth__intro { margin-bottom: var(--space-4); }
.auth__help { margin-top: var(--space-5); font-size: 0.875rem; color: var(--color-muted-fg); }
.auth__logout { margin-top: var(--space-4); }

/* ---------- PDF önizleme ---------- */
.preview {
  width: min(1100px, 96vw); height: 92vh; padding: 0;
  border: 1px solid var(--color-border-strong); border-radius: var(--radius-lg); box-shadow: var(--shadow-dialog);
}
.preview[open] { display: flex; flex-direction: column; }
.preview::backdrop { background: var(--color-backdrop); }
.preview__head {
  display: flex; align-items: center; justify-content: space-between; gap: var(--space-3);
  padding: var(--space-2) var(--space-2) var(--space-2) var(--space-4); border-bottom: 1px solid var(--color-border);
}
.preview__title { font-weight: 500; }
.preview__actions { display: flex; gap: var(--space-2); }
.preview__frame { flex: 1; width: 100%; border: 0; background: var(--color-pdf-bg); }

/* ---------- Hata sayfası ---------- */
.error-page { display: grid; place-items: center; padding: var(--space-7) var(--space-4); }
.error-page__card { max-width: 520px; text-align: left; }
.error-page__card h1 { margin-bottom: var(--space-3); }
.error-page__message { margin-bottom: var(--space-5); color: var(--color-muted-fg); }
.error-page__logo { display: block; height: 72px; width: auto; margin-bottom: var(--space-5); }

/* ---------- Alt bilgi ---------- */
.site-foot { padding: var(--space-5) 0; border-top: 1px solid var(--color-border); font-size: 0.8125rem; color: var(--color-muted-fg); }
.site-foot__inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--space-2); }

/* ---------- Hareket azaltma ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}