/* Giriş ekranı — onaylı vitrin v4 (08.11.2026). 17043 açık / koyu modu, vurgu yeşil. Yalnız giriş, şifremi unuttum ve
   iki adımlı doğrulama sayfalarında yüklenir (layouts/giris); sistemin geri kalanını etkilemez. */
@font-face { font-family: 'Manrope'; font-style: normal; font-display: block; font-weight: 400; src: url(fonts/manrope-latin-ext-400-normal.woff2) format('woff2'); unicode-range: U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF; }
@font-face { font-family: 'Manrope'; font-style: normal; font-display: block; font-weight: 400; src: url(fonts/manrope-latin-400-normal.woff2) format('woff2'); unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD; }
@font-face { font-family: 'Manrope'; font-style: normal; font-display: block; font-weight: 600; src: url(fonts/manrope-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+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF; }
@font-face { font-family: 'Manrope'; font-style: normal; font-display: block; font-weight: 600; src: url(fonts/manrope-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+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD; }
@font-face { font-family: 'Manrope'; font-style: normal; font-display: block; font-weight: 700; src: url(fonts/manrope-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+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF; }
@font-face { font-family: 'Manrope'; font-style: normal; font-display: block; font-weight: 700; src: url(fonts/manrope-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+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD; }
  :root {
    --vurgu: #047857;            /* emerald-700: yazı, çizgi, adım numarası */
    --vurgu-dolgu: #059669;      /* emerald-600: dolgu, simge, nokta */
    --vurgu-koyu: #065F46;       /* emerald-800: yalnız ana düğmenin üzerine gelme hâli */
    --v-alt: #047857;            /* ana düğme degradesinin alt ucu */
    --v-rgb: 5, 150, 105; --v-acik-rgb: 16, 185, 129; --v-parlak-rgb: 52, 211, 153; --v2-rgb: 34, 211, 238;
    --vurgu-zemin: rgba(var(--v-acik-rgb), .10);
    --vurgu-halka: rgba(var(--v-rgb), .16);
    --masa: #EEF0F3;
    --kagit: #FFFFFF;
    --kagit-kenar: #E3E5E9;
    --form: #FFFFFF;
    --murekkep: #000000;
    --metin: #3F4248;
    --soluk: #6E727A;
    --cizgi: #E6E8EC;
    --sinir: #C9CCD2;
    --alan: #FFFFFF;
    --kutu-zemin: #EEF0F3;
    --hata: #B00D13;
    --uyari: #8A5300;
    --lcd: #E6F2EC;
    --blok: #EEF0F3;
    --golge-kitap: 0 2px 3px rgba(20, 24, 32, .06), 0 30px 60px -30px rgba(20, 24, 32, .45), 0 60px 90px -50px rgba(4, 80, 56, .25);
    --yazi: Bahnschrift, Manrope, "Segoe UI", system-ui, sans-serif;
    --fz-taban: radial-gradient(85% 60% at 100% 0%, rgba(var(--v2-rgb), .14), transparent 62%), radial-gradient(90% 70% at 0% 100%, rgba(var(--v-acik-rgb), .16), transparent 64%), linear-gradient(165deg, #F2F5FB 0%, #E8EEF8 55%, #E1EBF4 100%);
    --fz-d1: rgba(255, 255, 255, .86); --fz-d2: rgba(255, 255, 255, .12);
    --fz-c0: rgba(var(--v-acik-rgb), 0); --fz-c1: rgba(var(--v-acik-rgb), .55); --fz-c2: rgba(var(--v2-rgb), .5);
    --fz-u: rgba(var(--v-acik-rgb), .07); --fz-u-cizgi: rgba(4, 120, 87, .22);
    --form-soluk: #52565E; --sinyal-zemin: rgba(236, 241, 250, .9); --fz-cizgi: rgba(20, 24, 32, .11);
    color-scheme: light;
  }
  :root.dark {
    --vurgu: #34D399;
    --vurgu-dolgu: #059669;
    --vurgu-koyu: #047857;
    --vurgu-zemin: rgba(var(--v-parlak-rgb), .12);
    --vurgu-halka: rgba(var(--v-parlak-rgb), .2);
    --masa: #050506;
    --kagit: #17181B;
    --kagit-kenar: #26272B;
    --form: #0C0C0E;
    --murekkep: #F3F3F3;
    --metin: #B4B7BD;
    --soluk: #8A8E96;
    --cizgi: #26282C;
    --sinir: #3A3C42;
    --alan: #111215;
    --kutu-zemin: #1B1C20;
    --hata: #FF8A8E;
    --uyari: #F2B544;
    --lcd: #0F261E;
    --blok: #22242A;
    --golge-kitap: 0 30px 70px -30px rgba(0, 0, 0, .95);
    --fz-taban: radial-gradient(85% 60% at 100% 0%, rgba(var(--v2-rgb), .07), transparent 62%), radial-gradient(90% 70% at 0% 100%, rgba(var(--v-parlak-rgb), .08), transparent 64%), linear-gradient(165deg, #101116 0%, #0C0D11 55%, #0A0C0F 100%);
    --fz-d1: rgba(255, 255, 255, .07); --fz-d2: rgba(255, 255, 255, 0);
    --fz-c0: rgba(var(--v-parlak-rgb), 0); --fz-c1: rgba(var(--v-parlak-rgb), .42); --fz-c2: rgba(var(--v2-rgb), .38);
    --fz-u: rgba(var(--v-parlak-rgb), .05); --fz-u-cizgi: rgba(var(--v-parlak-rgb), .2);
    --form-soluk: #9498A0; --sinyal-zemin: rgba(13, 14, 18, .88); --fz-cizgi: rgba(255, 255, 255, .10);
    color-scheme: dark;
  }
  * { box-sizing: border-box; }
  html, body { margin: 0; }
  body {
    min-height: 100vh; font-family: var(--yazi); font-size: 15px; line-height: 1.45; color: var(--murekkep);
    background: var(--form); -webkit-font-smoothing: antialiased; overflow-x: hidden; font-variant-numeric: tabular-nums;
  }
  .gorunmez { position: absolute; width: 1px; height: 1px; margin: 0; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
  button, input { font-family: inherit; color: inherit; }
  :focus-visible { outline: 2px solid var(--vurgu); outline-offset: 2px; }
  [hidden] { display: none !important; }

  .ekran { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); grid-template-areas: "gosteri form"; min-height: 100vh; }

  /* ---------- Gösteri yarısı: masa ve kitap ---------- */
  .gosteri {
    grid-area: gosteri; position: relative; overflow: hidden; display: flex; flex-direction: column; min-width: 0;
    background:
      radial-gradient(1100px 700px at 22% 0%, #FFFFFF, rgba(255, 255, 255, 0) 62%),
      radial-gradient(800px 520px at 0% 100%, rgba(var(--v-rgb), .07), transparent 62%),
      radial-gradient(500px 380px at 92% 96%, rgba(var(--v-rgb), .035), transparent 70%),
      linear-gradient(180deg, #F3F4F7, #E9EBEF);
  }
  .dark .gosteri {
    background:
      radial-gradient(700px 500px at 20% 0%, rgba(255, 255, 255, .05), transparent 60%),
      radial-gradient(600px 400px at 0% 100%, rgba(var(--v-parlak-rgb), .06), transparent 65%),
      linear-gradient(rgba(255, 255, 255, .028) 1px, transparent 1px) 0 0 / 28px 28px,
      linear-gradient(90deg, rgba(255, 255, 255, .028) 1px, transparent 1px) 0 0 / 28px 28px,
      var(--masa);
  }
  .gosteri-ust { display: flex; align-items: baseline; flex-wrap: wrap; gap: 8px 14px; padding: 34px 44px 0; }
  .gosteri-baslik { margin: 0; font-size: 26px; line-height: 1.1; font-weight: 600; font-stretch: 85%; letter-spacing: -.005em; }
  .ornek { white-space: nowrap; flex: none; font-size: 12px; padding: 3px 9px; border: 1px dashed var(--soluk); border-radius: 999px; color: var(--soluk); }
  .serit-adim { display: none; }
  .sahne-alani { position: relative; flex: 1; display: grid; place-items: center; min-height: 0; }
  .kitap-sar { position: relative; width: 720px; height: 460px; transform-origin: center; }
  .kitap { position: absolute; inset: 0; }
  .kitap::before { content: ""; position: absolute; inset: 6px -6px -8px -6px; border-radius: 6px; background: var(--kagit); box-shadow: var(--golge-kitap); border: 1px solid var(--kagit-kenar); }
  .kitap::after { content: ""; position: absolute; inset: 3px -3px -4px -3px; border-radius: 5px; background: var(--kagit); border: 1px solid var(--kagit-kenar); }
  .sayfa { position: absolute; top: 0; width: 360px; height: 460px; background: var(--kagit); overflow: hidden; }
  .sayfa-sol { left: 0; border-radius: 4px 0 0 4px; z-index: 1; }
  .sayfa-sag { left: 360px; border-radius: 0 4px 4px 0; z-index: 1; }
  .sayfa-sol::after, .sayfa-sag::after { content: ""; position: absolute; top: 0; bottom: 0; width: 46px; pointer-events: none; z-index: 5; }
  .sayfa-sol::after { right: 0; background: linear-gradient(to left, rgba(0, 0, 0, .10), rgba(0, 0, 0, .03) 40%, transparent); }
  .sayfa-sag::after { left: 0; background: linear-gradient(to right, rgba(0, 0, 0, .12), rgba(0, 0, 0, .03) 40%, transparent); }
  .dark .sayfa-sol::after { background: linear-gradient(to left, rgba(0, 0, 0, .5), transparent); }
  .dark .sayfa-sag::after { background: linear-gradient(to right, rgba(0, 0, 0, .55), transparent); }
  .kat { position: absolute; inset: 0; }
  .ust-kat { z-index: 2; }
  .alt-kat { z-index: 1; }
  .arka-sar { position: absolute; left: 360px; top: 0; width: 360px; height: 460px; z-index: 10; pointer-events: none; filter: drop-shadow(-4px 6px 10px rgba(0, 0, 0, .22)); visibility: hidden; }
  .arka { position: absolute; inset: 0; transform-origin: 0 0; background: var(--kagit); overflow: hidden; }
  .arka-ic { position: absolute; inset: 0; transform: scaleX(-1); }
  .serit { position: absolute; width: 900px; height: 2000px; margin-top: -1000px; transform-origin: 0 50%; pointer-events: none; opacity: 0; }
  .serit-kivrim { background: linear-gradient(to right, rgba(0, 0, 0, .26), rgba(0, 0, 0, .06) 50px, rgba(255, 255, 255, .25) 90px, transparent 160px); z-index: 4; }
  .serit-on { background: linear-gradient(to right, rgba(0, 0, 0, .16), transparent 34px); z-index: 4; }
  .serit-dusen { background: linear-gradient(to right, rgba(0, 0, 0, .30), rgba(0, 0, 0, .08) 60px, transparent 140px); z-index: 4; }
  .tutamak { position: absolute; left: 610px; top: 0; width: 110px; height: 460px; z-index: 12; cursor: grab; touch-action: none; }
  .tutamak:active { cursor: grabbing; }
  .tutamak::after { content: ""; position: absolute; right: 0; bottom: 0; width: 34px; height: 34px; background: linear-gradient(135deg, transparent 50%, rgba(0, 0, 0, .06) 50%); border-radius: 0 0 4px 0; opacity: 0; transition: opacity .2s; }
  .tutamak:hover::after { opacity: 1; }
  .tutamak-sol { left: 0; }
  .tutamak-sol::after { display: none; }

  /* Sol sayfa: adım anlatımı */
  .adim { position: absolute; inset: 0; padding: 32px 34px 28px 34px; display: flex; flex-direction: column; }
  .adim-no { display: flex; align-items: baseline; gap: 6px; }
  .adim-no b { font-size: 84px; line-height: .9; font-weight: 600; font-stretch: 75%; color: var(--vurgu); letter-spacing: -.02em; }
  .adim-no span { font-size: 20px; color: var(--soluk); }
  .adim h3 { margin: 16px 0 10px; font-size: 28px; line-height: 1.05; font-weight: 600; font-stretch: 85%; }
  .adim p { margin: 0; color: var(--metin); font-size: 14px; line-height: 1.45; }
  .adim ol { list-style: none; margin: auto 0 0; padding: 12px 0 0; display: grid; gap: 3px; font-size: 13px; color: var(--soluk); }
  .adim li { display: grid; grid-template-columns: 22px 1fr; align-items: center; }
  .adim li::before { content: ""; width: 12px; height: 2px; background: var(--sinir); }
  .adim li.su { color: var(--murekkep); font-weight: 600; }
  .adim li.su::before { background: var(--vurgu); }

  /* Sağ sayfa: sahne */
  .sahne { position: absolute; inset: 0; padding: 30px 30px 0 34px; background: var(--kagit); }
  .sahne svg { display: block; width: 296px; height: 330px; overflow: visible; }
  .alt-yazi { position: absolute; left: 34px; right: 44px; bottom: 24px; }
  .alt-yazi b { display: block; font-size: 14px; font-weight: 600; }
  .alt-yazi span { display: block; font-size: 12.5px; color: var(--soluk); }
  .sayfa-no { position: absolute; right: 22px; bottom: 24px; font-size: 12px; color: var(--soluk); }
  .s-cizgi { stroke: var(--sinir); stroke-width: 1; fill: none; }
  .s-ince { stroke: var(--cizgi); stroke-width: 1; fill: none; }
  .s-murekkep { stroke: var(--murekkep); fill: none; }
  .s-kagit { fill: var(--kagit); }
  .s-v { fill: var(--vurgu-dolgu); }
  .s-v-cizgi { stroke: var(--vurgu); fill: none; }
  .s-v-yazi { fill: var(--vurgu); }
  .s-v-zemin { fill: var(--vurgu-zemin); }
  .s-yazi { font-family: var(--yazi); font-size: 11px; fill: var(--soluk); }
  .s-yazi-metin { font-family: var(--yazi); font-size: 11px; fill: var(--metin); }
  .s-yazi-koyu { font-family: var(--yazi); font-size: 12px; fill: var(--murekkep); font-weight: 600; }
  .s-kucuk { font-size: 9.5px; }

  /* Kontroller */
  .kontroller { display: flex; align-items: center; justify-content: center; gap: 6px; padding: 0 36px 26px; }
  .kontroller button { width: 40px; height: 40px; display: grid; place-items: center; padding: 0; border: 1px solid transparent; border-radius: 999px; background: none; color: var(--soluk); cursor: pointer; }
  .kontroller button:hover { color: var(--murekkep); border-color: var(--sinir); }
  .kontroller button:disabled { opacity: .4; cursor: default; }
  .kontroller svg { width: 16px; height: 16px; display: block; }
  .noktalar { display: flex; gap: 6px; margin: 0 8px; }
  .noktalar span { width: 18px; height: 3px; border-radius: 2px; background: var(--sinir); transition: background .3s, width .3s; }
  .noktalar span.su { width: 30px; background: var(--vurgu-dolgu); }
  .dipnot { position: absolute; right: 36px; bottom: 34px; margin: 0; font-size: 12px; color: var(--soluk); }

  /* ---------- Form yarısı ---------- */
  .form-yari { grid-area: form; position: relative; display: flex; flex-direction: column; min-width: 0; background: var(--fz-taban), var(--form); box-shadow: -1px 0 0 rgba(20, 24, 32, .06), -24px 0 48px -36px rgba(20, 24, 32, .18); z-index: 2; }
  .form-zemin { position: absolute; inset: 0; z-index: 0; width: 100%; height: 100%; pointer-events: none; }
  .form-ust, .form-orta, .form-dip { position: relative; z-index: 1; }
  .form-ust { display: flex; justify-content: flex-end; align-items: center; gap: 8px; padding: 22px 28px 0; }
  .dil { display: inline-flex; align-items: center; height: 40px; padding: 0 2px; font-size: 13px; color: var(--form-soluk); }
  .dil button { min-width: 36px; height: 40px; padding: 0 6px; border: 0; background: none; color: var(--form-soluk); font-size: 13px; font-weight: 600; border-radius: 999px; cursor: pointer; }
  .dil button:hover, .dil button[aria-pressed="true"] { color: var(--murekkep); }
  .dil button[aria-pressed="true"]::after { content: ""; display: block; height: 2px; margin: 1px 8px 0; background: var(--vurgu-dolgu); border-radius: 1px; }
  .dil span { color: var(--sinir); }
  .tema { display: inline-grid; place-items: center; width: 40px; height: 40px; padding: 0; line-height: 0; color: var(--murekkep); background: none; border: 1px solid var(--sinir); border-radius: 999px; cursor: pointer; }
  .tema:hover { border-color: var(--soluk); }
  .tema svg { width: 18px; height: 18px; display: block; }
  .tema .gunes, .dark .tema .ay { display: none; }
  .dark .tema .gunes { display: inline; }
  .form-orta { flex: 1; display: flex; justify-content: center; padding: 24px 48px; }
  .form-kutu { width: 100%; max-width: 380px; margin-block: auto; }

  .marka { display: flex; align-items: center; gap: 18px; margin-bottom: 22px; }
  .logo { position: relative; flex: none; display: grid; place-items: center; width: 132px; height: 132px; border-radius: 50%; background: #FFF;
    box-shadow: 0 0 0 1px var(--kagit-kenar), 0 1px 2px rgba(20, 24, 32, .06), 0 16px 30px -20px rgba(20, 24, 32, .4); }
  .dark .logo { box-shadow: 0 0 0 1px rgba(255, 255, 255, .08), 0 18px 36px -20px rgba(0, 0, 0, .9); }
  .logo-ic { position: relative; display: block; width: 76%; }
  .logo img { display: block; width: 100%; height: auto; }
  .rozet-yazi { font-size: 34px; font-weight: 600; font-stretch: 85%; letter-spacing: .02em; color: #047857; }
  .logo-ic::after { content: ""; position: absolute; inset: 0; pointer-events: none; opacity: 0;
    background: linear-gradient(100deg, rgba(255, 255, 255, 0) 30%, rgba(255, 255, 255, .7) 50%, rgba(255, 255, 255, 0) 70%) no-repeat; background-size: 220% 100%; background-position: 130% 0;
    -webkit-mask-image: var(--logo-maske); mask-image: var(--logo-maske); -webkit-mask-size: contain; mask-size: contain; -webkit-mask-repeat: no-repeat; mask-repeat: no-repeat; }
  .marka p { margin: 0; font-size: 13px; color: var(--metin); line-height: 1.35; }
  .marka p b { display: block; font-size: 16px; color: var(--murekkep); font-weight: 600; }
  .marka p span { display: block; }
  .marka p .std { white-space: nowrap; }
  .marka p .akr { color: var(--form-soluk); font-size: 12.5px; margin-top: 2px; }
  h1 { margin: 0 0 6px; font-size: 32px; line-height: 1.1; font-weight: 600; font-stretch: 85%; letter-spacing: -.01em; }
  .form-alt { margin: 0 0 20px; color: var(--metin); font-size: 14px; }
  /* Ölçüm öğesi */
  .olcum { position: relative; height: 58px; margin-bottom: 22px; }
  .olcum > div { position: absolute; inset: 0; display: none; align-items: center; gap: 14px; }
  .olcum > .olcum-a { display: flex; }
  .olcum-durum { display: inline-flex; align-items: center; gap: 6px; flex: none; font-size: 11.5px; color: var(--form-soluk); white-space: nowrap; }
  .olcum-durum::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--soluk); animation: nabiz 1.4s ease-in-out infinite; }
  .olcum[data-durum="kalibre"] .olcum-durum { color: var(--vurgu); font-weight: 600; }
  .olcum[data-durum="kalibre"] .olcum-durum::before { background: var(--vurgu-dolgu); animation: none; box-shadow: 0 0 0 3px var(--vurgu-zemin); }
  /* A: dijital gösterge */
  .lcd { position: relative; flex: none; display: flex; align-items: baseline; justify-content: flex-end; gap: 4px; width: 128px; height: 56px; padding: 12px 12px 0; border-radius: 10px; background: var(--lcd);
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, .14), inset 0 0 0 1px rgba(var(--v-rgb), .14); }
  .lcd b { font-size: 29px; line-height: 1; font-weight: 600; font-stretch: 78%; letter-spacing: .01em; color: var(--murekkep); }
  .lcd i { font-style: normal; font-size: 13px; color: var(--metin); }
  .lcd-nokta { position: absolute; left: 10px; top: 9px; width: 6px; height: 6px; border-radius: 50%; background: var(--soluk); animation: nabiz 1.4s ease-in-out infinite; }
  .olcum[data-durum="kalibre"] .lcd-nokta { background: var(--vurgu-dolgu); animation: none; box-shadow: 0 0 0 3px var(--vurgu-zemin); }
  .a-sag { flex: 1; min-width: 0; display: grid; gap: 7px; }
  .a-ust, .a-alt { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
  .a-ust { font-size: 12.5px; color: var(--metin); }
  .a-alt { font-size: 10.5px; color: var(--form-soluk); }
  .a-cubuk { position: relative; height: 6px; border-radius: 3px; background: var(--fz-cizgi); }
  .a-tol { position: absolute; left: 25%; right: 25%; top: 0; bottom: 0; border-radius: 3px; background: rgba(var(--v-acik-rgb), .34); }
  .a-orta { position: absolute; left: 50%; top: -3px; bottom: -3px; width: 1px; background: var(--metin); opacity: .55; }
  .a-imlec { position: absolute; left: 80%; top: -4px; width: 3px; height: 14px; margin-left: -1.5px; border-radius: 2px; background: var(--murekkep); box-shadow: 0 0 0 2px var(--form); }
  .olcum[data-durum="kalibre"] .a-imlec { background: var(--vurgu); }
  /* B: ibreli gösterge */
  .kadran { flex: none; width: 106px; height: 58px; overflow: visible; }
  .k-yay { fill: none; stroke: var(--sinir); stroke-width: 1.2; }
  .k-tol { fill: none; stroke: var(--vurgu-dolgu); stroke-width: 5; opacity: .6; }
  .k-cizgi { stroke: var(--soluk); stroke-width: 1; }
  .k-ana { stroke: var(--murekkep); stroke-width: 1.3; }
  .k-yazi { font: 600 7.5px var(--yazi); fill: var(--soluk); }
  .k-isaret { fill: var(--vurgu-dolgu); }
  .k-ibre { stroke: var(--murekkep); stroke-width: 2; stroke-linecap: round; }
  .k-gobek { fill: var(--murekkep); }
  .olcum[data-durum="kalibre"] .k-ibre { stroke: var(--vurgu); }
  .b-sag { flex: 1; min-width: 0; display: grid; gap: 1px; }
  .b-bas { font-size: 13px; font-weight: 600; color: var(--murekkep); }
  .b-satir { font-size: 12px; color: var(--metin); }
  .b-satir b { font-weight: 600; color: var(--murekkep); }
  .b-son { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
  /* C: kalibrasyon etiketi */
  .etiket { position: relative; flex: 1; min-width: 0; height: 56px; display: grid; grid-template-columns: 1.05fr 1fr 1fr; align-items: center; gap: 10px; padding: 0 66px 0 34px;
    border: 1px solid var(--sinir); border-radius: 10px; background: var(--kagit); box-shadow: 0 1px 2px rgba(20, 24, 32, .05), 0 10px 22px -18px rgba(20, 24, 32, .35); }
  .etiket::before { content: ""; position: absolute; left: 11px; top: 50%; width: 8px; height: 8px; margin-top: -5px; border-radius: 50%; border: 1.5px solid var(--sinir); }
  .etiket::after { content: ""; position: absolute; left: 25px; top: 8px; bottom: 8px; border-left: 1px dashed var(--sinir); }
  .etiket-alan { min-width: 0; display: grid; gap: 1px; }
  .etiket-alan small { font-size: 10.5px; color: var(--soluk); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .etiket-alan b { min-height: 18px; font-size: 13.5px; font-weight: 600; color: var(--murekkep); white-space: nowrap; }
  .etiket-alan b.yaziyor::after { content: ""; display: inline-block; width: 1.5px; height: 13px; margin-left: 1px; vertical-align: -1px; background: var(--vurgu); animation: imlecYan 1s steps(1) infinite; }
  @keyframes imlecYan { 50% { opacity: 0; } }
  .damga { position: absolute; right: 6px; top: 50%; display: grid; place-items: center; align-content: center; gap: 0; width: 54px; height: 54px; border-radius: 50%; color: var(--vurgu); font-size: 9px; font-weight: 700; line-height: 1;
    border: 2px solid var(--vurgu); background: var(--kagit); box-shadow: inset 0 0 0 3px var(--kagit), inset 0 0 0 4px rgba(var(--v-rgb), .45); opacity: 0; transform: translateY(-50%) rotate(-12deg); }
  .damga svg { width: 16px; height: 16px; display: block; }
  @keyframes nabiz { 0%, 100% { opacity: 1; } 50% { opacity: .3; } }

  form { display: grid; gap: 16px; }
  .alan { display: grid; gap: 6px; }
  label { font-size: 14px; font-weight: 600; }
  .girdi { position: relative; }
  input[type="email"], input[type="password"], input[type="text"] {
    width: 100%; height: 50px; padding: 0 14px; font: 16px var(--yazi); color: var(--murekkep);
    background: var(--alan); border: 1px solid var(--sinir); border-radius: 10px; transition: border-color .15s, box-shadow .15s;
  }
  input::placeholder { color: var(--soluk); opacity: .75; }
  input:hover { border-color: var(--soluk); }
  input:focus { outline: none; border-color: var(--vurgu-dolgu); box-shadow: 0 0 0 4px var(--vurgu-halka); }
  input[aria-invalid="true"] { border-color: var(--hata); }
  input[aria-invalid="true"]:focus { box-shadow: 0 0 0 4px rgba(200, 20, 27, .14); }
  input[type="password"]::-ms-reveal, input[type="password"]::-ms-clear { display: none; }
  .girdi.simgeli input { padding-left: 46px; }
  .girdi.sifreli input { padding-right: 52px; }
  .alan-simge { position: absolute; left: 15px; top: 50%; width: 20px; height: 20px; margin-top: -10px; color: var(--soluk); pointer-events: none; transition: color .2s ease; }
  .girdi:focus-within .alan-simge { color: var(--vurgu); }
  .goster { position: absolute; right: 3px; top: 3px; width: 44px; height: 44px; display: grid; place-items: center; padding: 0; border: 0; background: none; color: var(--soluk); border-radius: 8px; cursor: pointer; }
  .goster:hover { color: var(--murekkep); }
  .goster svg { width: 20px; height: 20px; display: block; }
  .hata-metni { margin: 0; font-size: 13.5px; color: var(--hata); }
  .hata-metni:empty { display: none; }
  .secenekler { display: flex; align-items: center; justify-content: space-between; gap: 8px; flex-wrap: wrap; }
  .hatirla { display: inline-flex; align-items: center; gap: 10px; min-height: 44px; font-weight: 400; cursor: pointer; }
  .hatirla input { width: 18px; height: 18px; margin: 0; accent-color: var(--vurgu-dolgu); }
  .baglanti { position: relative; display: inline-flex; align-items: center; min-height: 44px; padding: 0; background: none; border: 0; font-size: 15px; color: var(--murekkep); text-decoration: none; cursor: pointer; transition: color .2s ease; }
  .baglanti:hover { color: var(--vurgu); }
  .baglanti::before, .baglanti::after { content: ""; position: absolute; top: calc(50% + .8em); height: 1px; pointer-events: none; }
  .baglanti::before { left: 0; right: 0; background: linear-gradient(90deg, rgba(var(--v-rgb), .8), rgba(var(--v-rgb), .3)); transform-origin: 0 50%; animation: cizgi-cizil .9s cubic-bezier(.22, .8, .3, 1) both; }
  .baglanti::after { left: 0; width: 26px; margin-top: -.5px; height: 2px; border-radius: 2px; opacity: 0; background: linear-gradient(90deg, rgba(var(--v-parlak-rgb), 0), rgb(var(--v-parlak-rgb)) 55%, rgba(255, 255, 255, .92)); box-shadow: 0 0 7px 1px rgba(var(--v-acik-rgb), .8); animation: cizgi-parilti 6s ease-in-out .9s infinite; }
  .baglanti:hover::before, .baglanti:focus-visible::before { background: rgb(var(--v-acik-rgb)); box-shadow: 0 0 6px rgba(var(--v-acik-rgb), .7); }
  .baglanti:hover::after, .baglanti:focus-visible::after { animation: cizgi-parilti-hizli .9s ease-in-out infinite; }
  @keyframes cizgi-cizil { from { transform: scaleX(0); } to { transform: scaleX(1); } }
  @keyframes cizgi-parilti { 0% { left: 0; opacity: 0; } 3% { opacity: 1; } 22% { opacity: 1; } 25%, 100% { left: calc(100% - 26px); opacity: 0; } }
  @keyframes cizgi-parilti-hizli { 0% { left: 0; opacity: 0; } 12% { opacity: 1; } 85% { opacity: 1; } 100% { left: calc(100% - 26px); opacity: 0; } }

  .gir { position: relative; display: inline-flex; align-items: center; justify-content: center; gap: 10px; width: 100%; height: 52px; margin-top: 4px; font-size: 17px; font-weight: 600; color: #FFF;
    background: linear-gradient(180deg, var(--vurgu-dolgu), var(--v-alt)); border: 0; border-radius: 10px; cursor: pointer; overflow: hidden;
    box-shadow: 0 10px 24px -12px rgba(var(--v-rgb), .95), inset 0 1px 0 rgba(255, 255, 255, .18); transition: filter .15s, transform .1s; }
  .gir:hover { background: linear-gradient(180deg, var(--v-alt), var(--vurgu-koyu)); }
  .gir:active { transform: translateY(1px); }
  .gir:focus-visible { outline: 2px solid var(--vurgu); outline-offset: 3px; }
  .gir[aria-busy="true"] { cursor: progress; filter: saturate(.85); }
  .gir .donen { width: 18px; height: 18px; display: none; }
  .gir[aria-busy="true"] .donen { display: block; animation: don .8s linear infinite; }
  @keyframes don { to { transform: rotate(360deg); } }
  .gir::before, .gir::after { content: ""; position: absolute; pointer-events: none; opacity: 0; }
  .gir::before { inset: 0; background: radial-gradient(120% 220% at 50% 50%, rgba(255, 255, 255, .2), rgba(255, 255, 255, 0) 72%); }
  .gir::after { top: -2px; bottom: -2px; left: 0; width: 42%; background: linear-gradient(100deg, rgba(255, 255, 255, 0), rgba(255, 255, 255, .55), rgba(255, 255, 255, 0)); transform: translateX(-130%) skewX(-16deg); }
  .gir.parlat::before { animation: girParil .5s ease-out .1s 1 both; }
  .gir.parlat::after { animation: girSupur .56s cubic-bezier(.3, .1, .3, 1) 1 both; }
  @keyframes girSupur { 0% { opacity: 0; transform: translateX(-130%) skewX(-16deg); } 16%, 78% { opacity: 1; } 100% { opacity: 0; transform: translateX(290%) skewX(-16deg); } }
  @keyframes girParil { 0%, 100% { opacity: 0; } 42% { opacity: 1; } }
  .durum { margin: 0; min-height: 20px; font-size: 13.5px; color: var(--metin); }
  .durum.olumlu { color: var(--vurgu); font-weight: 600; }
  .oturum-durum { display: flex; align-items: flex-start; gap: 10px; margin: 0 0 18px; padding: 10px 14px; border-radius: 10px; font-size: 13.5px; font-weight: 600; color: var(--vurgu); background: var(--vurgu-zemin); box-shadow: inset 2px 0 0 var(--vurgu-dolgu); }
  .oturum-durum svg { flex: none; width: 18px; height: 18px; margin-top: 1px; }
  .panel-geri { justify-self: start; }
  .gonderildi { margin: -8px 0 16px; font-size: 14px; color: var(--metin); }
  .gonderildi b { color: var(--murekkep); font-weight: 600; overflow-wrap: anywhere; }
  .kod-girdi input[type="text"] { height: 58px; padding: 0 0 0 .5em; text-align: center; font-size: 24px; font-weight: 600; letter-spacing: .5em; }
  .panel-alt { display: flex; align-items: center; justify-content: space-between; gap: 8px; flex-wrap: wrap; }
  .form-dip { padding: 0 48px 22px; text-align: center; }
  .form-dip p { margin: 0; font-size: 12.5px; color: var(--form-soluk); }
  .form-dip .telif { margin-top: 2px; font-size: 11.5px; opacity: .85; }

  /* ---------- Açılış: yalnız hareket azaltılmamışken ---------- */
  :root[data-acilis] .acilis-parca { animation: parcaGel .46s cubic-bezier(.34, 1.45, .64, 1) both; animation-delay: calc(var(--i, 0) * 135ms + 60ms); }
  @keyframes parcaGel { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }
  :root[data-acilis] .logo { animation: logoDisk .6s cubic-bezier(.2, .8, .3, 1.15) both; }
  :root[data-acilis] .logo-ic > * { animation: logoBelir 1s cubic-bezier(.2, .7, .2, 1) .3s both; }
  :root[data-acilis] .logo-ic::after { animation: logoIsik 1.1s ease-in-out 1.2s 1 both; }
  @keyframes logoDisk { from { opacity: 0; transform: scale(.88); } to { opacity: 1; transform: none; } }
  @keyframes logoBelir { from { opacity: 0; filter: blur(8px); transform: scale(.94) translateY(4px); } to { opacity: 1; filter: blur(0); transform: none; } }
  @keyframes logoIsik { 0% { opacity: 0; background-position: 130% 0; } 15%, 80% { opacity: 1; } 100% { opacity: 0; background-position: -30% 0; } }

  @media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { transition: none !important; animation: none !important; }
    .baglanti::after { display: none; }
  }

  @media (max-height: 800px) and (min-width: 1024px) { .logo { width: 120px; height: 120px; } }
  /* ---------- Tablet ve telefon (17043 kuralı): dik tutuşta yalnız form, yatay tutuşta kitap yanda ---------- */
  @media (max-width: 1100px) {
    .ekran { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
    .form-orta { padding: 24px 32px; }
    .gosteri-ust { padding: 26px 28px 0; }
    .gosteri-baslik { font-size: 22px; }
    .dipnot { position: static; padding: 0 16px 18px; text-align: center; }
    .kontroller { padding: 4px 16px 6px; }
  }
  @media (max-width: 1100px) and (orientation: portrait) {
    .ekran { grid-template-columns: minmax(0, 1fr); grid-template-areas: "form"; grid-template-rows: 1fr; min-height: 100dvh; }
    html, body { overscroll-behavior-y: none; }
    .gosteri { display: none; }
    .form-yari { box-shadow: none; }
  }
  @media (max-width: 860px) and (orientation: landscape) {
    .gosteri { height: 100dvh; position: sticky; top: 0; }
    .form-orta { padding-top: 8px; }
  }
  /* Telefon: kitap tek sayfa, adımın yazısı sayfanın üstünde sade bir şerit */
  @media (max-width: 767px) {
    .form-ust { padding: 12px 16px 0; gap: 4px; }
    .form-orta { padding: 16px 16px 26px; }
    .marka { gap: 14px; margin-bottom: 18px; }
    .logo { width: 104px; height: 104px; }
    .rozet-yazi { font-size: 28px; }
    .marka p b { font-size: 15px; }
    h1 { font-size: 28px; }
    .form-dip { padding: 0 16px 20px; }
    .lcd { width: 116px; }
    .lcd b { font-size: 26px; }
    .etiket { gap: 6px; padding: 0 60px 0 30px; }
    .etiket-alan b { font-size: 12.5px; }
    .etiket-alan small { font-size: 10px; }
    .gosteri-ust { padding: 22px 16px 0; }
    .gosteri-baslik { font-size: 18px; }
    .gosteri.tek .serit-adim { display: block; padding: 14px 16px 0; }
    .serit-adim .adim-no b { font-size: 52px; }
    .serit-adim .adim-no span { font-size: 16px; }
    .serit-adim h3 { margin: 8px 0 6px; font-size: 22px; line-height: 1.1; font-weight: 600; font-stretch: 85%; }
    .serit-adim p { margin: 0; font-size: 14px; color: var(--metin); }
    .sahne-alani { padding: 14px 0 6px; }
  }
  @media (max-width: 1100px) and (orientation: portrait) and (max-height: 860px) {
    .form-orta { padding-top: 10px; padding-bottom: 14px; }
    .marka { margin-bottom: 14px; }
    .logo { width: 92px; height: 92px; }
    h1 { font-size: 26px; margin-bottom: 4px; }
    .form-alt { margin-bottom: 14px; }
    .olcum { margin-bottom: 16px; }
    form { gap: 12px; }
    .form-dip { padding-bottom: 14px; }
  }
  @media (max-width: 1100px) and (orientation: landscape) and (min-height: 501px) and (max-height: 820px) {
    .form-orta { padding-top: 12px; padding-bottom: 12px; }
    .marka { margin-bottom: 16px; }
    .logo { width: 104px; height: 104px; }
    .form-alt { margin-bottom: 16px; }
  }
  @media (max-height: 500px) and (orientation: landscape) {
    .logo { width: 96px; height: 96px; }
    .gosteri-ust { padding: 12px 16px 0; }
    .gosteri-baslik { font-size: 17px; }
    .dipnot { display: none; }
    .kontroller { padding: 0 12px 6px; }
    .gosteri.tek .serit-adim { display: none; }
  }

  /* ---------- Uygulama ekleri (vitrinde JS ile ya da düğmeyle yapılanlar) ---------- */
  .kitap.tek::before, .kitap.tek::after, .kitap.tek .sayfa-sag::after { display: none; }
  /* dil seçimi uygulamada bağlantı (sunucu dili değiştirir) */
  .dil a { display: inline-flex; flex-direction: column; justify-content: center; align-items: stretch; text-align: center; min-width: 36px; height: 40px; padding: 0 6px; color: var(--form-soluk); font-size: 13px; font-weight: 600; text-decoration: none; border-radius: 999px; }
  .dil a:hover, .dil a[aria-current="true"] { color: var(--murekkep); }
  .dil a[aria-current="true"]::after { content: ""; display: block; height: 2px; margin: 1px 8px 0; background: var(--vurgu-dolgu); border-radius: 1px; }
  a.baglanti { width: fit-content; }
  /* Livewire bekleme hâli: wire:loading.attr="aria-busy" (değeri ne olursa olsun) dönen simgeyi açar, metin wire:loading ile değişir */
  .gir[aria-busy]:not([aria-busy="false"]) { cursor: progress; filter: saturate(.85); }
  .gir[aria-busy]:not([aria-busy="false"]) .donen { display: block; animation: don .8s linear infinite; }
  /* Girişten panele kapak geçişi (Ek görev 3): sol sayfa yaprak olup kapanır, kitap yalnız sağ sayfa kalınca ortaya kayar */
  .kitap.gk-kapaniyor .sayfa-sol { opacity: 0; }
  .kitap.gk-kapaniyor::before, .kitap.gk-kapaniyor::after { opacity: 0; transition: opacity .18s; }
  .kitap.gk-kapaniyor .sayfa-sag { box-shadow: var(--golge-kitap); }
  .kitap.gk-kapaniyor ~ .tutamak { display: none; }