:root {
    --lacivert: #14213d;
    --lacivert-acik: #1e2f52;
    --altin: #c9a227;
    --altin-koyu: #a8871a;
    --zemin: #f4f5f7;
    --kart: #ffffff;
    --kenar: #e3e6ea;
    --metin: #1f2733;
    --metin-soluk: #6b7480;
}

* { box-sizing: border-box; }
html { font-size: 14px; }
body {
    margin: 0;
    background: var(--zemin);
    color: var(--metin);
    font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
}

/* ---------- Panel kabuğu ---------- */
.panel-kabuk { display: flex; min-height: 100vh; }

.yan-menu {
    width: 230px;
    flex-shrink: 0;
    background: var(--lacivert);
    color: #cfd6e4;
    padding: 20px 0;
    position: sticky;
    top: 0;
    height: 100vh;
}
.marka-logo {
    padding: 2px 18px 20px;
}
.logo-cip {
    background: #fff;
    border-radius: 8px;
    padding: 10px 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.logo-cip img { width: 100%; max-width: 150px; height: auto; display: block; }
.marka-alt {
    color: var(--altin);
    font-size: .72rem;
    letter-spacing: 3px;
    text-transform: uppercase;
    text-align: center;
    margin-top: 8px;
}
.yan-menu .nav-link {
    color: #cfd6e4;
    padding: 11px 22px;
    border-left: 3px solid transparent;
    display: flex; align-items: center; gap: 10px;
}
.yan-menu .nav-link span { width: 20px; text-align: center; }
.yan-menu .nav-link:hover { background: var(--lacivert-acik); color: #fff; }
.yan-menu .nav-link.aktif {
    background: var(--lacivert-acik);
    color: #fff;
    border-left-color: var(--altin);
    font-weight: 600;
}

/* ---------- İçerik ---------- */
.icerik-alani { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.ust-bar {
    background: var(--kart);
    border-bottom: 1px solid var(--kenar);
    padding: 16px 28px;
    display: flex; align-items: center; justify-content: space-between;
}
.sayfa-baslik { font-size: 1.35rem; margin: 0; color: var(--lacivert); font-weight: 600; }
.kullanici { display: flex; align-items: center; gap: 12px; }
.kullanici .k-ad { color: var(--metin-soluk); font-size: .9rem; }
.ana-icerik { padding: 28px; }

/* ---------- Kartlar ---------- */
.kart {
    background: var(--kart);
    border: 1px solid var(--kenar);
    border-radius: 10px;
    padding: 20px;
}
.kart + .kart, .kart-grid > * { margin-bottom: 0; }
.kart-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; }

.kpi { display: flex; flex-direction: column; gap: 6px; }
.kpi .kpi-deger { font-size: 2rem; font-weight: 700; color: var(--lacivert); line-height: 1; }
.kpi .kpi-etiket { color: var(--metin-soluk); font-size: .85rem; }
.kpi .kpi-alt { font-size: .8rem; color: var(--altin-koyu); }

/* ---------- Butonlar ---------- */
.btn-altin { background: var(--altin); border-color: var(--altin); color: #1a1a1a; font-weight: 600; }
.btn-altin:hover { background: var(--altin-koyu); border-color: var(--altin-koyu); color: #fff; }
.btn-lacivert { background: var(--lacivert); border-color: var(--lacivert); color: #fff; }
.btn-lacivert:hover { background: var(--lacivert-acik); color: #fff; }

/* ---------- Tablolar ---------- */
.tablo-kart { background: var(--kart); border: 1px solid var(--kenar); border-radius: 10px; overflow: hidden; }
.table { margin: 0; }
.table thead th { background: #fafbfc; color: var(--metin-soluk); font-size: .8rem; text-transform: uppercase; letter-spacing: .4px; border-bottom: 2px solid var(--kenar); }
.table td { vertical-align: middle; }

/* ---------- Etiketler (tip / durum) ---------- */
.etiket { display: inline-block; padding: 2px 9px; border-radius: 20px; font-size: .72rem; font-weight: 600; }
.etiket-tip { background: #eef1f6; color: var(--lacivert); }
.d-devam { background: #fff4d6; color: #8a6d00; }
.d-tamam { background: #dff5e5; color: #1b7a3d; }
.d-hata  { background: #fbe0e0; color: #b02020; }

/* ---------- Bölüm başlığı ---------- */
.bolum-baslik { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; }
.bolum-baslik h2 { font-size: 1.1rem; color: var(--lacivert); margin: 0; }
.bos-durum { text-align: center; color: var(--metin-soluk); padding: 48px 20px; }
.bos-durum .bos-ikon { font-size: 2.4rem; display: block; margin-bottom: 8px; opacity: .5; }

/* ---------- Giriş sayfası ---------- */
.giris-sayfa { display: flex; align-items: center; justify-content: center; min-height: 100vh; background: var(--lacivert); }
.giris-kart { background: #fff; border-radius: 12px; padding: 36px; width: 360px; box-shadow: 0 12px 40px rgba(0,0,0,.25); }
.giris-kart .giris-logo-img { display: block; width: 200px; max-width: 78%; height: auto; margin: 4px auto 10px; }
.giris-kart .giris-alt { text-align: center; color: var(--metin-soluk); font-size: .85rem; margin-bottom: 24px; letter-spacing: .5px; }