/* Hallmark · macrostructure: Workbench (sidebar + document) · tone: utilitarian/technical · anchor hue: 250 (WEC signal blue)
 * Renk ve fontlar weccable.com'dan. Süs yok: çizgi, tipografi ve gerçek veri.
 */

@font-face { font-family: 'Barlow Condensed'; font-weight: 600; font-display: swap; src: url('fonts/barlow-condensed-latin-ext-600-normal.woff2') format('woff2'); unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+1E00-1E9F, U+20A0-20C0, U+2C60-2C7F, U+A720-A7FF; }
@font-face { font-family: 'Barlow Condensed'; font-weight: 600; font-display: swap; src: url('fonts/barlow-condensed-latin-600-normal.woff2') format('woff2'); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: 'Barlow Condensed'; font-weight: 700; font-display: swap; src: url('fonts/barlow-condensed-latin-ext-700-normal.woff2') format('woff2'); unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+1E00-1E9F, U+20A0-20C0, U+2C60-2C7F, U+A720-A7FF; }
@font-face { font-family: 'Barlow Condensed'; font-weight: 700; font-display: swap; src: url('fonts/barlow-condensed-latin-700-normal.woff2') format('woff2'); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: 'Plus Jakarta Sans'; font-weight: 200 800; font-display: swap; src: url('fonts/plus-jakarta-sans-latin-ext-wght-normal.woff2') format('woff2'); unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+1E00-1E9F, U+20A0-20C0, U+2C60-2C7F, U+A720-A7FF; }
@font-face { font-family: 'Plus Jakarta Sans'; font-weight: 200 800; font-display: swap; src: url('fonts/plus-jakarta-sans-latin-wght-normal.woff2') format('woff2'); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: 'JetBrains Mono'; font-weight: 500; font-display: swap; src: url('fonts/jetbrains-mono-latin-ext-500-normal.woff2') format('woff2'); unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+1E00-1E9F, U+20A0-20C0, U+2C60-2C7F, U+A720-A7FF; }
@font-face { font-family: 'JetBrains Mono'; font-weight: 500; font-display: swap; src: url('fonts/jetbrains-mono-latin-500-normal.woff2') format('woff2'); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }

:root {
  /* Yüzeyler */
  --color-paper: oklch(97.3% 0.004 250);      /* #f3f6f9 */
  --color-sheet: oklch(99.4% 0.002 250);
  --color-sunk: oklch(94.6% 0.008 250);
  --color-rule: oklch(90.8% 0.012 250);
  --color-rule-strong: oklch(83.5% 0.018 250);
  /* Mürekkep */
  --color-ink: oklch(21% 0.03 250);           /* #0d2036 civarı */
  --color-ink-2: oklch(46% 0.03 250);
  --color-ink-3: oklch(60% 0.025 250);
  --color-navy: oklch(28% 0.07 252);          /* #0b2745 */
  --color-navy-hover: oklch(34% 0.08 252);
  --color-on-navy: oklch(98% 0.005 250);
  /* Vurgu */
  --color-accent: oklch(49% 0.15 253);        /* #0660b4 */
  --color-accent-wash: oklch(95.5% 0.02 250);
  --color-focus: oklch(62% 0.16 250);
  /* Excel çıktısındaki başlık bandı (tema Vurgu 1, %25 koyu) */
  --color-xl-head: oklch(45% 0.11 262);
  --color-xl-head-ink: oklch(98% 0.005 250);
  /* Durum */
  --color-err: oklch(50% 0.17 28);
  --color-err-wash: oklch(96% 0.025 28);
  --color-warn: oklch(52% 0.11 70);
  --color-warn-wash: oklch(96.5% 0.035 85);
  --color-ok: oklch(52% 0.12 150);

  --font-display: 'Barlow Condensed', 'Arial Narrow', sans-serif;
  --font-body: 'Plus Jakarta Sans', 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, Menlo, monospace;

  --text-xs: 0.8125rem;
  --text-sm: 0.875rem;
  --text-md: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.5rem;
  --text-2xl: 2rem;
  --text-display: clamp(2.5rem, 4.2vw + 0.5rem, 3.75rem);

  --space-2xs: 0.25rem;
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4.5rem;

  --radius: 4px;
  --shadow-sheet: 0 1px 0 oklch(21% 0.03 250 / 0.04), 0 1px 3px oklch(21% 0.03 250 / 0.06), 0 12px 32px -16px oklch(21% 0.03 250 / 0.18);
  --ease-out: cubic-bezier(0.2, 0.8, 0.2, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --dur: 140ms;
}

*, *::before, *::after { box-sizing: border-box; }
html, body { overflow-x: clip; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  min-height: 100dvh;
  background: var(--color-paper);
  color: var(--color-ink);
  font: 400 var(--text-md)/1.55 var(--font-body);
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; height: auto; }
button, input { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--color-focus); outline-offset: 2px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
[hidden] { display: none !important; }
.num { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }

/* ---------- Butonlar ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-xs);
  min-height: 44px; padding: 0 var(--space-lg);
  border: 1px solid transparent; border-radius: var(--radius);
  font-weight: 650; font-size: var(--text-sm); white-space: nowrap;
  cursor: pointer; text-decoration: none;
  transition: background-color var(--dur) var(--ease-out), border-color var(--dur) var(--ease-out), transform var(--dur) var(--ease-out);
}
.btn svg { width: 18px; height: 18px; flex: none; }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }
.btn[aria-busy='true'] { cursor: progress; }
.btn-primary { background: var(--color-navy); color: var(--color-on-navy); }
.btn-primary:hover:not(:disabled) { background: var(--color-navy-hover); }
.btn-secondary { background: var(--color-sheet); color: var(--color-ink); border-color: var(--color-rule-strong); }
.btn-secondary:hover:not(:disabled) { border-color: var(--color-ink-3); background: var(--color-paper); }
.btn-block { width: 100%; }
.link-btn {
  padding: 0; border: 0; background: none; cursor: pointer;
  color: var(--color-ink-2); font-size: var(--text-sm); font-weight: 600;
  text-decoration: underline; text-decoration-color: var(--color-rule-strong); text-underline-offset: 3px;
}
.link-btn:hover { color: var(--color-ink); text-decoration-color: currentColor; }

/* ---------- Giriş ---------- */
.login { display: grid; place-items: center; min-height: 100dvh; padding: var(--space-xl) var(--space-md); }
.login-card {
  width: 100%; max-width: 380px;
  padding: var(--space-2xl) var(--space-xl) var(--space-xl);
  background: var(--color-sheet);
  border: 1px solid var(--color-rule); border-radius: var(--radius);
  box-shadow: var(--shadow-sheet);
}
.login-logo { margin: 0 0 var(--space-2xl); }
.login-logo img { width: 200px; margin-inline: auto; }
.login-card .btn { margin-top: var(--space-xs); }
.field { display: grid; gap: var(--space-xs); margin-bottom: var(--space-lg); }
.field label { font-size: var(--text-sm); font-weight: 650; }
.field input {
  min-height: 46px; padding: 0 var(--space-sm);
  background: var(--color-sheet);
  border: 1px solid var(--color-rule-strong); border-radius: var(--radius);
  transition: border-color var(--dur) var(--ease-out);
}
.field input:hover { border-color: var(--color-ink-3); }
.field input:focus-visible { outline: 2px solid var(--color-focus); outline-offset: 0; border-color: var(--color-accent); }
.field input[aria-invalid='true'] { border-color: var(--color-err); }
.alert {
  margin: 0 0 var(--space-lg); padding: var(--space-sm) var(--space-md);
  border: 1px solid oklch(from var(--color-err) l c h / 0.35); border-radius: var(--radius);
  background: var(--color-err-wash); color: var(--color-err);
  font-size: var(--text-sm); font-weight: 600;
}

/* ---------- Excel benzeri tablo (giriş örneği + önizleme) ---------- */
.xl {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-sheet);
  font-size: var(--text-sm);
  font-variant-numeric: tabular-nums;
}
.xl th, .xl td { padding: 0.45rem 0.7rem; border: 1px solid var(--color-rule-strong); text-align: center; white-space: nowrap; }
.xl thead th { background: var(--color-xl-head); color: var(--color-xl-head-ink); border-color: var(--color-xl-head); font-weight: 650; font-size: var(--text-xs); }
.xl thead th:first-child { font: 700 var(--text-lg)/1 var(--font-display); letter-spacing: 0.02em; }
.xl td { font-weight: 550; }
.xl td.mono { font-family: var(--font-mono); font-size: var(--text-xs); }
.xl td.pin { color: var(--color-accent); }
.xl tbody tr:hover td { background: var(--color-accent-wash); }
.xl-raw thead th { background: var(--color-sunk); color: var(--color-ink-2); border-color: var(--color-rule-strong); }
.xl-raw thead th:first-child { font: 650 var(--text-xs)/1.2 var(--font-body); letter-spacing: 0; }
.sheet { overflow-x: auto; border-radius: var(--radius); box-shadow: var(--shadow-sheet); }
.renk { display: inline-flex; align-items: center; gap: 0.4rem; }
.renk i { width: 10px; height: 10px; border-radius: 50%; background: var(--color-rule-strong); box-shadow: inset 0 0 0 1px oklch(21% 0.03 250 / 0.25); }

/* ---------- Uygulama çerçevesi ---------- */
.topbar { background: var(--color-sheet); border-bottom: 1px solid var(--color-rule); }
.topbar-inner { display: flex; align-items: center; gap: var(--space-lg); max-width: 1360px; margin: 0 auto; padding: var(--space-sm) var(--space-md); }
.topbar .logo { width: 132px; }
.topbar .tool { padding-left: var(--space-lg); border-left: 1px solid var(--color-rule); color: var(--color-ink-2); font-size: var(--text-sm); font-weight: 600; }
.topbar form { margin-left: auto; }
@media (max-width: 520px) { .topbar .tool { display: none; } }

.page { max-width: 1360px; margin: 0 auto; padding: var(--space-2xl) var(--space-md) var(--space-3xl); }

/* Yükleme */
.upload { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 400px); gap: var(--space-2xl); align-items: start; }
.upload h1, .results-head h1 {
  margin: 0 0 var(--space-sm);
  font: 700 var(--text-display)/1 var(--font-display);
  letter-spacing: -0.01em;
  overflow-wrap: anywhere; min-width: 0;
}
.upload .lede { margin: 0 0 var(--space-xl); max-width: 56ch; color: var(--color-ink-2); font-size: var(--text-lg); }
.drop {
  display: grid; justify-items: start; gap: var(--space-md);
  padding: var(--space-2xl) var(--space-xl);
  background: var(--color-sheet);
  border: 1.5px dashed var(--color-rule-strong); border-radius: var(--radius);
  box-shadow: var(--shadow-sheet);
  cursor: pointer;
  transition: border-color var(--dur) var(--ease-out), background-color var(--dur) var(--ease-out);
}
.drop:hover { border-color: var(--color-ink-3); }
.drop.is-over { border-color: var(--color-accent); border-style: solid; background: var(--color-accent-wash); }
.drop:has(input:focus-visible) { outline: 2px solid var(--color-focus); outline-offset: 2px; }
.drop strong { font-size: var(--text-xl); font-weight: 700; line-height: 1.2; }
.drop p { margin: 0; color: var(--color-ink-2); }
.drop .btn { pointer-events: none; }
.drop.is-busy { cursor: progress; border-style: solid; }
.drop.is-busy .btn { opacity: 0.6; }
.spec { font-size: var(--text-sm); color: var(--color-ink-2); }
.spec h2 { margin: 0 0 var(--space-sm); font-size: var(--text-sm); font-weight: 700; color: var(--color-ink); }
.spec ul { margin: 0 0 var(--space-lg); padding-left: 1.1rem; display: grid; gap: var(--space-2xs); }
.spec .xl { font-size: var(--text-xs); }
.spec .xl th, .spec .xl td { padding: 0.3rem 0.4rem; }
.spec .xl td.mono { font-size: 0.75rem; }

.fatal {
  display: grid; gap: var(--space-2xs);
  margin-top: var(--space-lg); padding: var(--space-md);
  border: 1px solid oklch(from var(--color-err) l c h / 0.35); border-left-width: 1px; border-radius: var(--radius);
  background: var(--color-err-wash); color: var(--color-err);
}
.fatal strong { font-weight: 700; }
.fatal span { color: var(--color-ink); }

@media (max-width: 900px) { .upload { grid-template-columns: minmax(0, 1fr); gap: var(--space-xl); } }

/* Sonuç: kenar paneli + belge */
.results { display: grid; grid-template-columns: minmax(0, 300px) minmax(0, 1fr); gap: var(--space-2xl); align-items: start; }
.panel { position: sticky; top: var(--space-lg); display: grid; gap: var(--space-lg); }
.panel-block { background: var(--color-sheet); border: 1px solid var(--color-rule); border-radius: var(--radius); box-shadow: var(--shadow-sheet); }
.panel-file { padding: var(--space-md); display: grid; gap: var(--space-md); }
.panel-file .name { font-weight: 700; overflow-wrap: anywhere; line-height: 1.35; }
.counts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); margin: 0; border-top: 1px solid var(--color-rule); }
.counts div { padding: var(--space-sm) var(--space-md); border-bottom: 1px solid var(--color-rule); }
.counts div:nth-child(odd) { border-right: 1px solid var(--color-rule); }
.counts dt { font-size: var(--text-xs); color: var(--color-ink-2); font-weight: 600; }
.counts dd { margin: 0; font: 500 var(--text-xl)/1.2 var(--font-mono); font-variant-numeric: tabular-nums; }
.counts .is-warn dd { color: var(--color-warn); }
.counts .is-err dd { color: var(--color-err); }
.panel-actions { display: grid; gap: var(--space-sm); padding: var(--space-md); justify-items: start; }
.panel-actions .done { font-size: var(--text-xs); color: var(--color-ok); font-weight: 600; }

.index h2 { margin: 0; padding: var(--space-sm) var(--space-md); font-size: var(--text-xs); font-weight: 700; color: var(--color-ink-2); border-bottom: 1px solid var(--color-rule); }
.index ol { margin: 0; padding: var(--space-xs); list-style: none; max-height: 40dvh; overflow: auto; display: grid; grid-template-columns: repeat(auto-fill, minmax(76px, 1fr)); gap: 2px; }
.index a {
  display: flex; justify-content: space-between; gap: var(--space-xs);
  padding: 0.35rem 0.5rem; border-radius: 3px;
  color: var(--color-ink); text-decoration: none; font: 500 var(--text-xs)/1.4 var(--font-mono);
}
.index a span { color: var(--color-ink-3); }
.index a:hover { background: var(--color-accent-wash); color: var(--color-accent); }

.doc { display: grid; gap: var(--space-xl); min-width: 0; }
.results-head { display: flex; flex-wrap: wrap; align-items: end; justify-content: space-between; gap: var(--space-md); }
.results-head h1 { margin: 0; font-size: clamp(2rem, 3vw + 0.5rem, 2.75rem); }
.search input {
  width: min(100%, 260px); min-height: 40px; padding: 0 var(--space-sm);
  background: var(--color-sheet); border: 1px solid var(--color-rule-strong); border-radius: var(--radius);
  font-size: var(--text-sm);
}
.search input:focus-visible { outline: 2px solid var(--color-focus); outline-offset: 0; border-color: var(--color-accent); }

.issues { display: grid; gap: var(--space-md); }
.issue-group { border: 1px solid; border-radius: var(--radius); overflow: hidden; }
.issue-group.is-err { border-color: oklch(from var(--color-err) l c h / 0.3); background: var(--color-err-wash); }
.issue-group.is-warn { border-color: oklch(from var(--color-warn) l c h / 0.35); background: var(--color-warn-wash); }
.issue-group h2 { display: flex; flex-wrap: wrap; align-items: baseline; gap: var(--space-2xs) var(--space-sm); margin: 0; padding: var(--space-sm) var(--space-md); font-size: var(--text-md); font-weight: 700; }
.issue-group.is-err h2 { color: var(--color-err); }
.issue-group.is-warn h2 { color: var(--color-warn); }
.issue-group h2 small { font-size: var(--text-sm); font-weight: 500; color: var(--color-ink-2); }
.issue-group table { width: 100%; border-collapse: collapse; font-size: var(--text-sm); background: var(--color-sheet); }
.issue-group td { padding: var(--space-xs) var(--space-md); border-top: 1px solid var(--color-rule); vertical-align: top; }
.issue-group td:first-child { width: 7rem; white-space: nowrap; font-family: var(--font-mono); font-size: var(--text-xs); color: var(--color-ink-2); padding-top: 0.6rem; }
.issue-more { padding: var(--space-xs) var(--space-md) var(--space-sm); background: var(--color-sheet); border-top: 1px solid var(--color-rule); }

.tables { display: grid; gap: var(--space-lg); }
.tables .sheet { scroll-margin-top: var(--space-lg); }
.tables .sheet:target { outline: 2px solid var(--color-focus); outline-offset: 3px; }
.empty { padding: var(--space-xl); text-align: center; color: var(--color-ink-2); border: 1px dashed var(--color-rule-strong); border-radius: var(--radius); }

@media (max-width: 960px) {
  .results { grid-template-columns: minmax(0, 1fr); gap: var(--space-xl); }
  .panel { position: static; }
  .index { display: none; }
}
@media (max-width: 480px) {
  .page { padding-top: var(--space-xl); }
  .drop { padding: var(--space-xl) var(--space-lg); }
  .issue-group td:first-child { width: 5.5rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition-duration: 1ms !important; }
}