h1:focus {
    outline: none;
}

.valid.modified:not([type=checkbox]) {
    outline: 1px solid #26b050;
}

.invalid {
    outline: 1px solid #e50000;
}

.validation-message {
    color: #e50000;
}

.blazor-error-boundary {
    background: url(data:image/svg+xml;base64,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) no-repeat 1rem/1.8rem, #b32121;
    padding: 1rem 1rem 1rem 3.7rem;
    color: white;
}

    .blazor-error-boundary::after {
        content: "An error has occurred."
    }

.darker-border-checkbox.form-check-input {
    border-color: #929292;
}

.form-floating > .form-control-plaintext::placeholder, .form-floating > .form-control::placeholder {
    color: var(--bs-secondary-color);
    text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder, .form-floating > .form-control:focus::placeholder {
    text-align: start;
}

/* ===== Mükellef Takip - genel tasarım (WPF uygulamasıyla aynı renk paleti) ===== */

:root {
    --arka-plan: #F3F4F6;
    --yuzey: #FFFFFF;
    --kenarlik: #E2E4E9;
    --metin: #1F2430;
    --ikincil-metin: #6B7280;
    --vurgu: #2563EB;
    --vurgu-hover: #1D4ED8;
    --basari: #16A34A;
    --uyari: #D97706;
    --tehlike: #DC2626;
    --nav-arka-plan: #111827;
    --nav-metin: #E5E7EB;
    --nav-secili: #2563EB;
    --excel: #1D6F42;
    --pdf: #B71C1C;
}

:root[data-tema="koyu"] {
    --arka-plan: #15181F;
    --yuzey: #1E222B;
    --kenarlik: #2D323D;
    --metin: #E5E7EB;
    --ikincil-metin: #9CA3AF;
    --vurgu: #3B82F6;
    --vurgu-hover: #60A5FA;
    --basari: #22C55E;
    --uyari: #F59E0B;
    --tehlike: #EF4444;
    --nav-arka-plan: #0B0E14;
    --nav-metin: #D1D5DB;
    --nav-secili: #3B82F6;
    --excel: #22A565;
    --pdf: #E53935;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    background: var(--arka-plan);
    color: var(--metin);
    font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
}

a { color: var(--vurgu); }

/* --- Uygulama iskeleti --- */
.app-kabuk {
    display: flex;
    min-height: 100vh;
}

.sol-nav {
    width: 220px;
    flex-shrink: 0;
    background: var(--nav-arka-plan);
    display: flex;
    flex-direction: column;
    padding: 20px 8px;
}

.nav-baslik { padding: 0 8px 20px; }
.nav-logo { color: white; font-size: 16px; font-weight: bold; }
.nav-kullanici { color: #9CA3AF; font-size: 11px; margin-top: 4px; }

.nav-baglantilar {
    display: flex;
    flex-direction: column;
    gap: 2px;
    flex: 1;
}

.alt-nav {
    display: flex;
    flex-direction: column;
    gap: 2px;
    border-top: 1px solid #232733;
    padding-top: 8px;
    margin-top: 8px;
}

.nav-link {
    color: var(--nav-metin);
    text-decoration: none;
    padding: 10px 14px;
    border-radius: 6px;
    font-size: 14px;
    margin: 2px 0;
    cursor: pointer;
    background: transparent;
    border: none;
    text-align: left;
    display: block;
    width: 100%;
    font-family: inherit;
}

.nav-link:hover { background: #332563EB; color: var(--nav-metin); }
.nav-link.active { background: var(--nav-secili); color: white; }
.nav-yakinda { opacity: 0.4; cursor: default; }
.nav-yakinda:hover { background: transparent; }

.cikis-form { margin: 0; padding: 0 8px; }
.nav-cikis { color: #FCA5A5; }

.icerik-alani {
    flex: 1;
    padding: 24px;
    max-width: 100%;
    overflow-x: auto;
}

.bildirim-seridi {
    background: #FEF3C7;
    color: #92400E;
    border: 1px solid #FDE68A;
    border-radius: 8px;
    padding: 10px 14px;
    margin-bottom: 16px;
    font-size: 13px;
}
.bildirim-seridi a { color: #92400E; font-weight: 600; }
:root[data-tema="koyu"] .bildirim-seridi {
    background: #3D2E0A;
    color: #FCD34D;
    border-color: #57430F;
}
:root[data-tema="koyu"] .bildirim-seridi a { color: #FCD34D; }

/* --- Sayfa başlıkları --- */
.sayfa-baslik { font-size: 22px; font-weight: 600; margin: 0 0 16px; }
.sayfa-ust-satir {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    flex-wrap: wrap;
    gap: 12px;
}

/* --- Kartlar / KPI --- */
.kart {
    background: var(--yuzey);
    border: 1px solid var(--kenarlik);
    border-radius: 10px;
    padding: 16px;
    margin-bottom: 16px;
}
.kart h3 { margin-top: 0; font-size: 15px; }

.kpi-satiri {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 12px;
    margin-bottom: 16px;
}
.kpi-kart {
    background: var(--yuzey);
    border: 1px solid var(--kenarlik);
    border-radius: 10px;
    padding: 16px;
    text-align: center;
}
.kpi-deger { font-size: 26px; font-weight: bold; color: var(--vurgu); }
.kpi-etiket { font-size: 12px; color: var(--ikincil-metin); margin-top: 4px; }

.panel-satiri {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}
@media (max-width: 900px) {
    .panel-satiri { grid-template-columns: 1fr; }
}

.ozet-listesi { list-style: none; padding: 0; margin: 0; }
.ozet-listesi li { padding: 6px 0; border-bottom: 1px solid var(--kenarlik); font-size: 14px; }
.ozet-listesi li:last-child { border-bottom: none; }

.cubuk-grafik {
    display: flex;
    align-items: flex-end;
    gap: 10px;
    height: 140px;
    padding-top: 10px;
}
.cubuk-sutun { display: flex; flex-direction: column; align-items: center; flex: 1; height: 100%; justify-content: flex-end; }
.cubuk { width: 100%; max-width: 32px; background: var(--vurgu); border-radius: 4px 4px 0 0; min-height: 2px; }
.cubuk-etiket { font-size: 11px; color: var(--ikincil-metin); margin-top: 6px; }

/* --- Filtre satırı --- */
.filtre-satiri {
    display: flex;
    gap: 10px;
    margin-bottom: 14px;
    flex-wrap: wrap;
}
.filtre-arama { flex: 1; min-width: 220px; }

/* --- Form alanları --- */
.alan-etiket { display: block; font-size: 12px; color: var(--ikincil-metin); margin: 10px 0 4px; }
.alan-girdi {
    width: 100%;
    background: var(--yuzey);
    color: var(--metin);
    border: 1px solid var(--kenarlik);
    border-radius: 6px;
    padding: 8px 10px;
    font-size: 14px;
    font-family: inherit;
}
.alan-girdi:focus { outline: none; border-color: var(--vurgu); }

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 4px 14px;
}
.form-alan label { display: block; font-size: 12px; color: var(--ikincil-metin); margin: 8px 0 4px; }
.form-alan-genis { grid-column: span 2; }

.form-alt-baslik { font-size: 13px; margin: 16px 0 8px; color: var(--ikincil-metin); }
.onay-kutusu-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 6px 14px;
}
.onay-kutusu-satir { display: flex; align-items: center; gap: 6px; font-size: 14px; font-weight: normal; }

/* --- Butonlar --- */
.birincil-buton, .ikincil-buton, .tehlike-buton, .mini-buton {
    border-radius: 6px;
    padding: 9px 16px;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    border: none;
    font-family: inherit;
}
.birincil-buton { background: var(--vurgu); color: white; }
.birincil-buton:hover { background: var(--vurgu-hover); }
.ikincil-buton { background: transparent; color: var(--metin); border: 1px solid var(--kenarlik); }
.ikincil-buton:hover { background: var(--kenarlik); }
.tehlike-buton { background: var(--tehlike); color: white; }
.tehlike-buton:hover { background: #B91C1C; }

.mini-buton {
    display: inline-block;
    background: transparent;
    border: 1px solid var(--kenarlik);
    color: var(--metin);
    padding: 5px 10px;
    font-size: 12px;
    font-weight: 500;
    margin-right: 6px;
    text-decoration: none;
    border-radius: 6px;
    cursor: pointer;
    font-family: inherit;
}
.mini-buton:hover { background: var(--kenarlik); }
.mini-buton-tehlike { color: var(--tehlike); border-color: #FCA5A5; }
.mini-buton-tehlike:hover { background: #FEE2E2; }

.durum-select { min-width: 130px; padding: 5px 8px; }
.toplam-satir { text-align: right; font-weight: bold; font-size: 14px; margin-top: 8px; }
.toplam-bakiye { font-size: 16px; font-weight: 600; color: var(--tehlike); }
.guncel-bakiye { text-align: right; }
.guncel-bakiye-etiket { font-size: 12px; color: var(--ikincil-metin); }
.guncel-bakiye-deger { font-size: 22px; font-weight: bold; color: var(--tehlike); }

/* --- Tablo --- */
.veri-tablosu { width: 100%; border-collapse: collapse; background: var(--yuzey); border: 1px solid var(--kenarlik); border-radius: 10px; overflow: hidden; }
.veri-tablosu th {
    text-align: left;
    background: var(--arka-plan);
    color: var(--metin);
    padding: 10px 12px;
    font-size: 13px;
    border-bottom: 1px solid var(--kenarlik);
}
.veri-tablosu td { padding: 9px 12px; font-size: 14px; border-bottom: 1px solid var(--kenarlik); }
.veri-tablosu tr:last-child td { border-bottom: none; }
.satir-eylemler { white-space: nowrap; }

.bos-mesaj { color: var(--ikincil-metin); font-size: 14px; padding: 20px 0; }

/* --- Etiketler --- */
.etiket { display: inline-block; padding: 3px 9px; border-radius: 999px; font-size: 12px; font-weight: 600; }
.etiket-yesil { background: #DCFCE7; color: #166534; }
.etiket-kirmizi { background: #FEE2E2; color: #991B1B; }
.etiket-gri { background: #F3F4F6; color: #4B5563; }
.etiket-oncelik-dusuk { background: #F3F4F6; color: #4B5563; }
.etiket-oncelik-normal { background: #DBEAFE; color: #1D4ED8; }
.etiket-oncelik-yuksek { background: #FEF3C7; color: #92400E; }
.etiket-oncelik-kritik { background: #FEE2E2; color: #991B1B; }

/* --- Hatırlatıcı kartları --- */
.hatirlatici-karti { display: flex; justify-content: space-between; gap: 16px; align-items: flex-start; }
.hatirlatici-icerik { flex: 1; }
.hatirlatici-baslik { font-weight: 600; font-size: 14px; }
.hatirlatici-mesaj { color: var(--ikincil-metin); margin-top: 4px; }
.hatirlatici-tarih { font-size: 11px; color: var(--ikincil-metin); margin-top: 6px; }
.hatirlatici-eylemler { text-align: right; flex-shrink: 0; }

.hata-mesaji { color: var(--tehlike); font-size: 13px; margin: 8px 0; }

/* --- Evrak Arşivi --- */
.evrak-duzen { display: grid; grid-template-columns: 260px 1fr; gap: 16px; align-items: start; }
@media (max-width: 800px) {
    .evrak-duzen { grid-template-columns: 1fr; }
}
.evrak-mukellef-listesi h3 { margin-top: 0; }
.evrak-mukellef-satir {
    padding: 8px 10px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
}
.evrak-mukellef-satir:hover { background: var(--arka-plan); }
.evrak-mukellef-satir.secili { background: var(--vurgu); color: white; }
.evrak-icerik { min-height: 200px; }

.dosya-yukleme-alani {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border: 2px dashed var(--kenarlik);
    border-radius: 10px;
    padding: 24px;
    margin: 12px 0;
    color: var(--ikincil-metin);
    font-size: 13px;
    cursor: pointer;
    text-align: center;
    position: relative;
}
.dosya-yukleme-alani:hover { border-color: var(--vurgu); color: var(--vurgu); }
.dosya-yukleme-alani input[type="file"] {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
    width: 100%;
    height: 100%;
}

/* --- Raporlar --- */
.rapor-izgara {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 16px;
}
.excel-buton { background: var(--excel); color: white; border-color: var(--excel); }
.excel-buton:hover { background: #15532F; }
.pdf-buton { background: var(--pdf); color: white; border-color: var(--pdf); }
.pdf-buton:hover { background: #8E1616; }

/* --- Modal --- */
.modal-arkaplan {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.45);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 20px;
}
.modal-kutu {
    background: var(--yuzey);
    border-radius: 10px;
    padding: 20px 24px;
    width: 100%;
    max-width: 420px;
    max-height: 90vh;
    overflow-y: auto;
}
.modal-genis { max-width: 720px; }
.modal-kucuk { max-width: 380px; }
.modal-kutu h3 { margin-top: 0; }
.modal-butonlar { display: flex; justify-content: flex-end; gap: 10px; margin-top: 18px; }

/* --- Giriş / Kayıt sayfaları --- */
.auth-sayfa {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--arka-plan);
    padding: 20px;
}
.auth-kart {
    background: var(--yuzey);
    border: 1px solid var(--kenarlik);
    border-radius: 10px;
    padding: 32px;
    width: 100%;
    max-width: 340px;
    text-align: center;
}
.auth-logo { font-size: 40px; }
.auth-baslik { font-size: 17px; font-weight: 600; margin: 4px 0; }
.auth-alt-baslik { font-size: 11px; color: var(--ikincil-metin); margin: 0 0 16px; }
.auth-kart form { text-align: left; }
.auth-kart .birincil-buton { width: 100%; margin-top: 14px; }
.auth-alt-link { font-size: 13px; margin-top: 16px; }
.auth-ipucu { font-size: 10px; color: var(--ikincil-metin); margin-top: 10px; }