* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "Segoe UI", "Trebuchet MS", sans-serif;
    color: #f5efe4;
    background:
        radial-gradient(circle at top left, rgba(186, 72, 29, 0.25), transparent 30%),
        radial-gradient(circle at bottom right, rgba(31, 88, 119, 0.28), transparent 32%),
        linear-gradient(135deg, #090b10 0%, #151922 48%, #1c1310 100%);
    padding-top: 96px;
}

a {
    color: inherit;
    text-decoration: none;
}

.giris-govde {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.giris-kabuk,
.yonetim-kabuk,
.uygulama {
    width: min(1360px, calc(100% - 32px));
    margin: 0 auto;
}

.giris-kabuk {
    flex: 1;
    display: grid;
    gap: 24px;
    padding: 32px 0;
    grid-template-columns: 1.3fr 1fr;
}

.kahraman,
.panel,
.kart,
.sol-menu,
.icerik,
.yonetim-kabuk {
    background: rgba(16, 18, 24, 0.82);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 22px;
    backdrop-filter: blur(10px);
    box-shadow: 0 25px 80px rgba(0, 0, 0, 0.35);
}

.kahraman {
    padding: 34px;
}

.etiket {
    display: inline-block;
    padding: 8px 12px;
    border-radius: 999px;
    background: rgba(223, 91, 44, 0.18);
    color: #ffb38c;
    font-size: 13px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

h1, h2, h3, p {
    margin-top: 0;
}

.slogan {
    font-size: 20px;
    max-width: 620px;
    color: #d6d0c3;
}

.ozet-kartlar,
.kart-izgara {
    display: grid;
    gap: 18px;
}

.ozet-kartlar {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    margin-top: 28px;
}

.giris-panelleri {
    display: grid;
    gap: 20px;
}

.panel-sekme {
    display: grid;
    gap: 18px;
}

.sekme-dugmeleri {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
}

.sekme-dugmesi {
    margin: 0;
    background: rgba(255, 255, 255, 0.06);
    color: #f7e8d1;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.sekme-dugmesi.aktif {
    background: linear-gradient(135deg, #cf5f2d, #a92e21);
}

.sekme-icerigi {
    display: none;
}

.sekme-icerigi.aktif {
    display: block;
}

.panel-notu {
    margin-bottom: 0;
    color: #d1c0ac;
    font-size: 13px;
}

.alan-notu {
    margin: 6px 0 10px;
    color: #cbb8a0;
    font-size: 13px;
}

.panel,
.kart {
    padding: 22px;
}

label {
    display: block;
    margin: 12px 0 8px;
    color: #f4d7b0;
    font-size: 14px;
}

input,
select,
textarea,
button {
    width: 100%;
    border-radius: 14px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    padding: 12px 14px;
    background: rgba(8, 11, 17, 0.92);
    color: #fff7ea;
    font-size: 15px;
}

button,
.dugme-link {
    background: linear-gradient(135deg, #cf5f2d, #a92e21);
    cursor: pointer;
    border: 0;
    font-weight: 700;
    transition: transform 0.16s ease, filter 0.16s ease;
}

button:hover,
.dugme-link:hover {
    transform: translateY(-1px);
    filter: brightness(1.08);
}

button:disabled,
.pasif-dugme {
    background: linear-gradient(135deg, rgba(112, 118, 128, 0.78), rgba(76, 82, 91, 0.88));
    color: rgba(255, 247, 234, 0.72);
    cursor: not-allowed;
    transform: none;
    filter: none;
}

.uyari {
    position: fixed;
    top: 12px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1000;
    width: min(720px, calc(100% - 32px));
    padding: 14px 18px;
    border-radius: 16px;
    box-shadow: 0 14px 40px rgba(0, 0, 0, 0.35);
    transition: opacity 0.45s ease, transform 0.45s ease;
}

.en-ust-uyari {
    z-index: 1200;
}

.uyari-gizleniyor {
    opacity: 0;
    transform: translateX(-50%) translateY(-10px);
}

.basari {
    background: rgba(39, 126, 96, 0.22);
    border: 1px solid rgba(77, 200, 154, 0.28);
}

.hata {
    background: rgba(143, 45, 45, 0.22);
    border: 1px solid rgba(222, 91, 91, 0.28);
}

.uygulama {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 24px;
    padding: 22px 0 12px;
}

.sol-menu {
    padding: 24px;
    position: sticky;
    top: 18px;
    height: fit-content;
}

.logo {
    margin-bottom: 24px;
}

.logo strong {
    display: block;
    margin-top: 12px;
    font-size: 28px;
}

.sol-menu nav {
    display: grid;
    gap: 8px;
}

.sol-menu a {
    padding: 12px 14px;
    border-radius: 14px;
    color: #ddd4c9;
}

.sol-menu a:visited {
    color: #ddd4c9;
}

.sol-menu a.aktif,
.sol-menu a:hover {
    background: rgba(207, 95, 45, 0.18);
    color: #fff7ec;
}

.icerik {
    padding: 24px;
}

.ust-bar {
    display: flex;
    justify-content: space-between;
    gap: 24px;
    align-items: flex-start;
    margin-bottom: 24px;
}

.kaynak-seridi {
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.kaynak-seridi li,
.dugme-link {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    min-height: 42px;
    padding: 10px 14px;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.08);
    color: #f3e7d2;
    font-size: 14px;
    line-height: 1.4;
    white-space: nowrap;
}

.kaynak-seridi li {
    color: #f3e7d2;
    font-size: 14px;
    line-height: 1.4;
    white-space: nowrap;
}

.dugme-link {
    align-items: center;
    border-radius: 999px;
}

.odak-ustluk {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 18px;
    margin-bottom: 18px;
}

.odak-marka {
    display: grid;
    gap: 10px;
}

.odak-marka strong {
    font-size: 30px;
    color: #fff4e0;
}

.odak-eylemler {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.odak-eylemler .dugme-link {
    width: auto;
    min-width: 132px;
    justify-content: center;
}

.odak-pencere {
    background: rgba(12, 15, 21, 0.9);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 28px 80px rgba(0, 0, 0, 0.36);
}

.odak-icerik {
    padding: 24px;
}

.odak-bolum-baslik {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 18px;
    padding-bottom: 14px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.odak-bolum-baslik h2 {
    margin: 0;
    font-size: 28px;
    color: #fff4e0;
}

.odak-bolum-baslik p {
    margin: 0;
    color: #d8c7b1;
    font-size: 15px;
}

.maliyet-kutusu {
    margin: 12px 0 14px;
}

.maliyet-listesi {
    display: grid;
    grid-template-columns: 1fr;
    gap: 8px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.maliyet-listesi li {
    display: inline-flex;
    align-items: baseline;
    gap: 4px;
    padding: 10px 12px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.05);
    color: #f3e7d2;
    font-size: 14px;
    line-height: 1.5;
    white-space: nowrap;
}

.maliyet-adi {
    flex: 0 0 auto;
}

.maliyet-listesi strong {
    font-size: 15px;
    flex: 0 0 auto;
}

.kart-izgara {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.buyuk {
    grid-column: span 2;
}

.bolum-baslik {
    margin-bottom: 16px;
}

.satir-kart {
    padding: 14px;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.04);
    margin-bottom: 12px;
}

.yonetim-form,
.yonetim-grid {
    display: grid;
    gap: 12px;
}

.iki-sutunlu-form,
.uc-sutunlu-form {
    display: grid;
    gap: 14px;
}

.iki-sutunlu-form {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.uc-sutunlu-form {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.yonetim-blok {
    padding: 18px;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.04);
}

.yonetim-blok h3 {
    margin-bottom: 14px;
}

.tablo-kapsayici {
    overflow-x: auto;
}

.yonetim-tablosu {
    width: 100%;
    border-collapse: collapse;
    min-width: 920px;
}

.yonetim-tablosu th,
.yonetim-tablosu td {
    padding: 12px 10px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    text-align: left;
}

.yonetim-tablosu th {
    color: #f4d7b0;
    font-size: 14px;
}

.yonetim-tablosu tr:hover,
.secili-satir {
    background: rgba(207, 95, 45, 0.12);
}

.islem-dugme-grubu {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
}

.satir-dugme {
    min-height: 40px;
    padding: 9px 14px;
}

.ikincil-dugme {
    background: linear-gradient(135deg, #445168, #2b3345);
}

.onay-kutusu {
    display: flex;
    align-items: center;
}

.onay-kutusu label {
    margin: 0;
}

.onay-kutusu input {
    width: auto;
    margin-right: 8px;
}

.alt-bilgi {
    text-align: center;
    font-size: 12px;
    color: #cabfb3;
    padding: 18px 12px 26px;
}

body.odak-modu {
    padding-top: 32px;
}

body.odak-modu .sol-menu,
body.odak-modu .ust-bar,
body.odak-modu .alt-bilgi {
    display: none;
}

body.odak-modu .uygulama {
    grid-template-columns: 1fr;
    width: min(1420px, calc(100% - 32px));
}

body.odak-modu .icerik {
    padding: 0;
    background: transparent;
    border: 0;
    box-shadow: none;
    backdrop-filter: none;
}

body.odak-modu .kart-izgara {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

@media (max-width: 980px) {
    .giris-kabuk,
    .uygulama {
        grid-template-columns: 1fr;
    }

    .ozet-kartlar,
    .kart-izgara,
    .sekme-dugmeleri {
        grid-template-columns: 1fr;
    }

    .iki-sutunlu-form,
    .uc-sutunlu-form {
        grid-template-columns: 1fr;
    }

    .kaynak-seridi {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .maliyet-listesi {
        grid-template-columns: 1fr;
    }

    .buyuk {
        grid-column: span 1;
    }

    .sol-menu {
        position: static;
    }

    .odak-ustluk,
    .odak-eylemler {
        flex-direction: column;
        align-items: stretch;
    }

    .odak-icerik {
        padding: 18px;
    }
}