:root {
    --renk-ana: #1f7a4d;
    --renk-ana-koyu: #155c39;
    --renk-acik: #eef6f1;
    --kirmizi: #d64545;
    --yesil: #1f9d57;
    --gri: #6b7280;
    --metin: #1f2937;
    --kenar: #e5e7eb;
    --golge: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.04);
    --radius: 12px;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: #f4f6f8;
    color: var(--metin);
    font-size: 15px;
    line-height: 1.5;
}

a { color: var(--renk-ana); }

/* ---------- Giris ekrani ---------- */
.auth-body {
    display: flex; align-items: center; justify-content: center;
    min-height: 100vh; padding: 20px;
    background: linear-gradient(135deg, var(--renk-ana) 0%, var(--renk-ana-koyu) 100%);
}
.auth-card {
    background: #fff; padding: 32px; border-radius: 16px;
    box-shadow: 0 10px 40px rgba(0,0,0,.2); width: 100%; max-width: 400px;
}
.auth-card h1 { margin: 0 0 4px; color: var(--renk-ana); font-size: 24px; }
.auth-alt { margin: 0 0 20px; color: var(--gri); font-size: 14px; }

/* ---------- Ust bar ---------- */
.topbar {
    display: flex; align-items: center; gap: 12px;
    background: var(--renk-ana); color: #fff;
    padding: 12px 18px; position: sticky; top: 0; z-index: 30;
}
.brand { color: #fff; font-weight: 700; font-size: 18px; text-decoration: none; }
.topbar-right { margin-left: auto; display: flex; align-items: center; gap: 12px; }
.user-chip { font-size: 14px; opacity: .9; }
.menu-toggle {
    display: none; background: transparent; border: 0; color: #fff;
    font-size: 22px; cursor: pointer; line-height: 1;
}

/* ---------- Yerlesim ---------- */
.layout { display: flex; min-height: calc(100vh - 50px); }
.sidebar {
    width: 230px; background: #fff; border-right: 1px solid var(--kenar);
    padding: 14px 10px; flex-shrink: 0;
}
.nav-item {
    display: block; padding: 10px 14px; border-radius: 8px;
    color: var(--metin); text-decoration: none; font-size: 14px; margin-bottom: 2px;
}
.nav-item:hover { background: var(--renk-acik); }
.nav-item.active { background: var(--renk-ana); color: #fff; }
.nav-baslik {
    font-size: 11px; text-transform: uppercase; letter-spacing: .5px;
    color: var(--gri); padding: 14px 14px 6px; font-weight: 700;
}
.content { flex: 1; padding: 22px; max-width: 1100px; width: 100%; }

.sayfa-baslik { font-size: 22px; margin: 0 0 18px; }
.aciklama { color: var(--gri); margin: -8px 0 18px; font-size: 14px; }

/* ---------- Kartlar ---------- */
.card {
    background: #fff; border: 1px solid var(--kenar); border-radius: var(--radius);
    padding: 18px; margin-bottom: 18px; box-shadow: var(--golge);
}
.card.dar { max-width: 420px; }
.card-head {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 14px; gap: 10px;
}
.card-head h2 { font-size: 16px; margin: 0; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }

/* ---------- Istatistik ---------- */
.stat-grid {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 14px; margin-bottom: 20px;
}
.stat-card {
    background: #fff; border: 1px solid var(--kenar); border-radius: var(--radius);
    padding: 16px 18px; box-shadow: var(--golge);
}
.stat-card.stat-buyuk { grid-column: span 2; }
.stat-label { font-size: 13px; color: var(--gri); margin-bottom: 6px; }
.stat-value { font-size: 22px; font-weight: 700; }
.stat-green { border-left: 4px solid var(--yesil); }
.stat-red { border-left: 4px solid var(--kirmizi); }

/* ---------- Tablolar ---------- */
.tablo-kaydir { overflow-x: auto; }
.tablo { width: 100%; border-collapse: collapse; font-size: 14px; }
.tablo th, .tablo td { padding: 9px 10px; text-align: left; border-bottom: 1px solid var(--kenar); vertical-align: middle; }
.tablo th { color: var(--gri); font-weight: 600; font-size: 12px; text-transform: uppercase; }
.tablo tr:last-child td { border-bottom: 0; }
.sag { text-align: right; }
.bos { color: var(--gri); font-style: italic; padding: 14px; }
.yesil { color: var(--yesil); font-weight: 600; }
.kirmizi { color: var(--kirmizi); font-weight: 600; }
.gri { color: var(--gri); }

/* ---------- Formlar ---------- */
label { display: block; font-size: 13px; color: var(--metin); margin-bottom: 4px; font-weight: 500; }
input, select, textarea {
    width: 100%; padding: 9px 11px; border: 1px solid var(--kenar);
    border-radius: 8px; font-size: 14px; font-family: inherit; background: #fff;
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--renk-acik); border-color: var(--renk-ana); }
.form-dik label { margin-bottom: 12px; }
.form-dik input, .form-dik select, .form-dik textarea { margin-top: 4px; }
.form-izgara {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 12px; align-items: end;
}
.form-izgara .genis { grid-column: 1 / -1; }
.form-aksiyon { display: flex; align-items: end; }
.satir-form { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin-bottom: 8px; }
.satir-form input, .satir-form select { width: auto; min-width: 0; }

/* ---------- Butonlar ---------- */
.btn {
    display: inline-block; padding: 9px 16px; border: 0; border-radius: 8px;
    font-size: 14px; font-weight: 600; cursor: pointer; text-decoration: none;
    text-align: center; transition: opacity .15s;
}
.btn:hover { opacity: .9; }
.btn-primary { background: var(--renk-ana); color: #fff; }
.btn-light { background: #eef0f2; color: var(--metin); }
.btn-danger { background: var(--kirmizi); color: #fff; }
.btn-block { width: 100%; }
.btn-sm { padding: 6px 11px; font-size: 13px; }

/* ---------- Rozet / etiket ---------- */
.rozet { display: inline-block; padding: 3px 9px; border-radius: 99px; font-size: 12px; font-weight: 600; }
.yesil-bg { background: #e3f6ea; color: var(--yesil); }
.kirmizi-bg { background: #fbe6e6; color: var(--kirmizi); }
.gri-bg { background: #eceef0; color: var(--gri); }
.ozet-rozet { padding: 5px 12px; border-radius: 8px; font-weight: 700; font-size: 14px; }
.link { font-size: 13px; }
.islem-hucre { display: flex; gap: 6px; flex-wrap: wrap; }
.islem-hucre form { margin: 0; }

/* ---------- Alert ---------- */
.alert { padding: 11px 14px; border-radius: 8px; margin-bottom: 14px; font-size: 14px; }
.alert-success { background: #e3f6ea; color: #14663a; border: 1px solid #bfe6cd; }
.alert-error { background: #fbe6e6; color: #9b2c2c; border: 1px solid #f0bcbc; }
.alert-info { background: #e7f0fb; color: #1f4e8c; border: 1px solid #c2d8f2; }

/* ---------- Duyurular ---------- */
.duyuru-akis { display: flex; flex-direction: column; gap: 14px; }
.duyuru-kart { background: #fff; border: 1px solid var(--kenar); border-radius: var(--radius); padding: 16px; box-shadow: var(--golge); }
.duyuru-ust { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; }
.duyuru-ust h3 { margin: 0; font-size: 16px; }
.duyuru-icerik { margin: 8px 0; }
.duyuru-foto { max-width: 100%; max-height: 360px; border-radius: 8px; margin-top: 6px; }
.zaman { color: var(--gri); font-size: 12px; white-space: nowrap; }
.duyuru-mini { display: flex; justify-content: space-between; padding: 8px 0; border-bottom: 1px solid var(--kenar); gap: 10px; }
.duyuru-mini:last-child { border-bottom: 0; }
.duyuru-sil { margin-top: 10px; }

.rapor-baslik-satir { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; }

/* ---------- Mobil ---------- */
@media (max-width: 860px) {
    .grid-2 { grid-template-columns: 1fr; }
    .stat-card.stat-buyuk { grid-column: span 1; }
    .menu-toggle { display: block; }
    .sidebar {
        position: fixed; left: 0; top: 50px; bottom: 0; z-index: 40;
        transform: translateX(-100%); transition: transform .2s; box-shadow: 2px 0 12px rgba(0,0,0,.15);
        overflow-y: auto;
    }
    .sidebar.acik { transform: translateX(0); }
    .content { padding: 16px; }
    .user-chip { display: none; }
}

/* ---------- Yazdirma ---------- */
@media print {
    .topbar, .sidebar, .yazdir-gizle, .btn { display: none !important; }
    .content { padding: 0; max-width: none; }
    .card { box-shadow: none; border: 1px solid #ccc; }
}