:root {
    --vurgu: #1A5C9E;
    --cizgi: #D8DCE1;
    --panel: #F4F5F7;
    --soluk: #6B7076;
    --uyari-zemin: #FFFBEA;
    --uyari-cizgi: #E0C97A;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    height: 100%;
    font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
    background: var(--panel);
    color: #1D2125;
    font-size: 14px;
}

#app { display: flex; flex-direction: column; min-height: 100%; }

.yukleniyor {
    display: flex; align-items: center; justify-content: center;
    height: 100vh; color: var(--soluk); font-size: 15px; gap: 10px;
}
.yukleniyor .nokta {
    width: 9px; height: 9px; border-radius: 50%; background: var(--vurgu);
    animation: zipla 1s infinite ease-in-out;
}
.yukleniyor .nokta:nth-child(2) { animation-delay: .15s; }
.yukleniyor .nokta:nth-child(3) { animation-delay: .3s; }
@keyframes zipla { 0%, 100% { opacity: .25; } 50% { opacity: 1; } }

/* ---- üst şerit ---- */
.ust {
    display: flex; align-items: center; justify-content: space-between;
    gap: 16px; padding: 10px 18px; background: #fff;
    border-bottom: 1px solid var(--cizgi);
}
.marka { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; }
.marka .ad { color: var(--vurgu); font-weight: 700; letter-spacing: .5px; font-size: 17px; }
.marka .alt { color: var(--soluk); font-size: 12.5px; }
.rozet {
    background: #FFF6D6; border: 1px solid var(--uyari-cizgi); color: #7A5F14;
    padding: 5px 12px; border-radius: 4px; font-size: 12px; font-weight: 600;
    white-space: nowrap;
}

/* ---- gövde ---- */
.govde { display: flex; flex: 1; align-items: stretch; min-height: 0; }

.panel {
    width: 280px; flex: 0 0 280px; background: #fff;
    border-right: 1px solid var(--cizgi); padding: 14px 16px 20px; overflow-y: auto;
}
.panel h2 {
    font-size: 11px; letter-spacing: .8px; color: var(--soluk);
    margin: 18px 0 8px; font-weight: 600;
}
.panel h2:first-child { margin-top: 0; }
.panel label { display: block; font-size: 12px; color: var(--soluk); margin: 8px 0 4px; }
.panel input, .panel select {
    width: 100%; padding: 7px 9px; border: 1px solid var(--cizgi);
    border-radius: 3px; font-size: 14px; font-family: inherit; background: #fff;
}
.panel input:focus, .panel select:focus { outline: 2px solid var(--vurgu); outline-offset: -1px; }

.ornekler { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.ornek {
    flex: 1 1 auto; padding: 6px 8px; font-size: 12px; cursor: pointer;
    border: 1px solid var(--cizgi); background: #fff; border-radius: 3px; font-family: inherit;
}
.ornek:hover { border-color: var(--vurgu); color: var(--vurgu); }

.ozet {
    margin-top: 20px; background: var(--panel); border: 1px solid var(--cizgi);
    border-radius: 3px; padding: 10px 12px;
}
.ozet .baslik { font-size: 11px; color: var(--soluk); letter-spacing: .8px; margin-bottom: 8px; font-weight: 600; }
.ozet .satir { display: flex; justify-content: space-between; gap: 10px; padding: 3px 0; font-size: 12.5px; }
.ozet .satir span { color: var(--soluk); }
.ozet .vurgu { border-top: 1px solid var(--cizgi); margin-top: 6px; padding-top: 7px; }
.ozet .vurgu b { color: var(--vurgu); font-size: 14.5px; }

.panel .not { font-size: 11.5px; color: var(--soluk); line-height: 1.5; margin-top: 18px; }

/* ---- içerik ---- */
.icerik { flex: 1; min-width: 0; display: flex; flex-direction: column; padding: 12px 14px 0; }

.uyari, .hata {
    background: var(--uyari-zemin); border: 1px solid var(--uyari-cizgi);
    color: #7A5F14; padding: 8px 12px; border-radius: 3px; font-size: 12.5px; margin-bottom: 10px;
}
.hata { background: #FDECEC; border-color: #E5A3A3; color: #8A2020; }

.sekmeler { display: flex; flex-wrap: wrap; gap: 2px; }
.sekme {
    padding: 8px 14px; font-size: 13px; cursor: pointer; font-family: inherit;
    background: var(--panel); border: 1px solid var(--cizgi); border-bottom: none;
    border-radius: 3px 3px 0 0; color: #33383D;
}
.sekme:hover { color: var(--vurgu); }
.sekme.etkin { background: #fff; font-weight: 600; color: var(--vurgu); }

.tuval {
    flex: 1; min-height: 0; background: #fff; border: 1px solid var(--cizgi);
    padding: 10px 12px 14px; display: flex; flex-direction: column; overflow: auto;
}

.cizim-basligi { font-size: 11.5px; color: var(--soluk); margin-bottom: 6px; }
.cizim { width: 100%; flex: 1; min-height: 340px; }
.bos { color: var(--soluk); padding: 30px; text-align: center; }

/* ---- tablolar ---- */
.tablo-sarmal { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; margin-bottom: 6px; }
th {
    text-align: left; font-weight: 600; font-size: 11.5px; color: var(--soluk);
    border-bottom: 1px solid var(--cizgi); padding: 7px 8px; white-space: nowrap;
}
td { padding: 6px 8px; border-bottom: 1px solid #EDEFF1; }
.sag { text-align: right; }
tr.toplam td { font-weight: 700; border-top: 1px solid var(--cizgi); border-bottom: none; }
h3 { font-size: 12px; color: var(--soluk); letter-spacing: .5px; margin: 20px 0 6px; }
.aciklama { font-size: 12px; color: var(--soluk); line-height: 1.55; }
code { background: var(--panel); padding: 1px 4px; border-radius: 2px; font-size: 12px; }

/* ---- optimizasyon çubukları ---- */
.profil-blok { margin-bottom: 14px; }
.profil-ad { font-size: 12.5px; font-weight: 600; margin-bottom: 5px; }
.cubuk {
    display: flex; height: 26px; margin-bottom: 4px; border: 1px solid var(--cizgi);
    background: var(--panel); overflow: hidden; border-radius: 2px;
}
.parca {
    background: #DCEBF7; border-right: 1px solid #7A9CB8; color: #1A5C9E;
    font-size: 11px; display: flex; align-items: center; justify-content: center;
    min-width: 0; overflow: hidden;
}
.fire {
    background: repeating-linear-gradient(45deg, #F0F1F3, #F0F1F3 5px, #E4E6E9 5px, #E4E6E9 10px);
    color: var(--soluk); font-size: 11px;
    display: flex; align-items: center; justify-content: center; min-width: 0; overflow: hidden;
}

/* ---- maliyet ---- */
.kartlar { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }
.kart {
    flex: 1 1 150px; border: 1px solid var(--cizgi); border-radius: 3px; padding: 10px 12px;
    display: flex; flex-direction: column; gap: 3px;
}
.kart span { font-size: 10.5px; color: var(--soluk); letter-spacing: .6px; font-weight: 600; }
.kart b { font-size: 18px; color: var(--vurgu); }

.teklif { margin: 14px 0 6px; }
.teklif div { display: flex; justify-content: flex-end; gap: 24px; padding: 3px 8px; font-size: 13px; }
.teklif div span { color: var(--soluk); }
.teklif div b { min-width: 150px; text-align: right; }
.teklif .son { border-top: 1px solid var(--cizgi); margin-top: 6px; padding-top: 10px; }
.teklif .son span { color: #1D2125; font-weight: 700; }
.teklif .son b { font-size: 21px; color: var(--vurgu); }

/* ---- masaüstü vitrini ---- */
.vitrin { max-width: 940px; }
.vitrin-not {
    background: var(--uyari-zemin); border: 1px solid var(--uyari-cizgi);
    color: #6B5410; padding: 11px 14px; border-radius: 3px; font-size: 12.5px;
    line-height: 1.6; margin-bottom: 20px;
}
.vitrin-bolum { margin-bottom: 30px; }
.vitrin-bolum h3 {
    font-size: 14px; color: var(--vurgu); letter-spacing: 0;
    margin: 0 0 6px; font-weight: 700; text-transform: none;
}
.vitrin-bolum p { font-size: 12.5px; color: var(--soluk); line-height: 1.6; margin: 0 0 10px; }
.vitrin-bolum img {
    max-width: 100%; height: auto; display: block;
    border: 1px solid var(--cizgi); border-radius: 3px; background: #fff;
}
.vitrin-kod {
    background: #F7F8FA; border: 1px solid var(--cizgi); border-left: 3px solid var(--vurgu);
    padding: 10px 12px; font-family: Consolas, "Courier New", monospace; font-size: 11.5px;
    line-height: 1.55; overflow-x: auto; margin: 0 0 10px; white-space: pre;
}
.vitrin-liste { font-size: 12.5px; color: var(--soluk); line-height: 1.7; padding-left: 20px; margin: 0; }
.vitrin-liste b { color: #1D2125; }

/* ---- alt şerit ---- */
.alt-serit {
    display: flex; flex-wrap: wrap; gap: 6px 24px; justify-content: space-between;
    background: #fff; border-top: 1px solid var(--cizgi);
    padding: 9px 18px; font-size: 11.5px; color: var(--soluk); line-height: 1.5;
}
.alt-serit .sag-alt { text-align: right; }

#blazor-error-ui {
    background: #FDECEC; border-top: 1px solid #E5A3A3; color: #8A2020;
    bottom: 0; display: none; left: 0; padding: 10px 16px; position: fixed;
    width: 100%; z-index: 1000; font-size: 13px;
}
#blazor-error-ui .dismiss { cursor: pointer; float: right; }

/* ---- dar ekran ---- */
@media (max-width: 900px) {
    .govde { flex-direction: column; }
    .panel { width: auto; flex: 0 0 auto; border-right: none; border-bottom: 1px solid var(--cizgi); }
    .icerik { padding: 10px; }
    .alt-serit .sag-alt { text-align: left; }
}