:root {
    --mudavim-lacivert: #0A2540;
    --mudavim-turkuaz: #00A8B5;
    --mudavim-turkuaz-acik: #E0F7FA;
    --mudavim-arkaplan: #F4F7FB;
    --mudavim-kart: #FFFFFF;
    --mudavim-metin: #1E293B;
    --mudavim-gri: #64748B;
    --mudavim-sinir: #E2E8F0;
    --mudavim-yesil: #10B981;
    --mudavim-turuncu: #F59E0B;
    --mudavim-kirmizi: #EF4444;
}

* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background-color: var(--mudavim-arkaplan);
    color: var(--mudavim-metin);
    line-height: 1.5;
}

.mudavim-kabuk {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Üst Menü (Header) */
.ust-bar {
    background: linear-gradient(135deg, var(--mudavim-lacivert) 0%, #0F3460 100%);
    color: #fff;
    padding: 0.75rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: 0 4px 15px rgba(10, 37, 64, 0.18);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 3px solid var(--mudavim-turkuaz);
}

.marka-alani {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo-kutu {
    background: #fff;
    padding: 0.35rem 0.75rem;
    border-radius: 10px;
    display: flex;
    align-items: center;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

.logo-resim {
    height: 38px;
    width: auto;
    object-fit: contain;
}

.marka-slogan {
    display: flex;
    flex-direction: column;
}

.marka-slogan strong {
    font-size: 1.1rem;
    letter-spacing: 0.3px;
    color: #38BDF8;
}

.marka-slogan span {
    font-size: 0.8rem;
    color: #CBD5E1;
}

.nav-baglantilar {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.nav-buton {
    color: #E2E8F0;
    text-decoration: none;
    padding: 0.6rem 1.2rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.2s ease;
    border: 1px solid rgba(255,255,255,0.12);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-buton:hover {
    background: rgba(0, 168, 181, 0.25);
    color: #fff;
    border-color: var(--mudavim-turkuaz);
}

.nav-buton.active {
    background: var(--mudavim-turkuaz);
    color: #fff;
    border-color: var(--mudavim-turkuaz);
    box-shadow: 0 2px 10px rgba(0, 168, 181, 0.4);
}

.api-rozet {
    background: rgba(16, 185, 129, 0.2);
    border: 1px solid #10B981;
    color: #6EE7B7;
    padding: 0.4rem 0.85rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

/* Ana İçerik */
.ana-icerik {
    flex: 1;
    max-width: 1480px;
    width: 100%;
    margin: 0 auto;
    padding: 1.5rem 2rem;
}

/* Başlık ve Bildirim Kutuları */
.sayfa-baslik-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.sayfa-baslik-bar h1 {
    margin: 0;
    font-size: 1.65rem;
    color: var(--mudavim-lacivert);
}

.sayfa-baslik-bar p {
    margin: 0.25rem 0 0 0;
    color: var(--mudavim-gri);
    font-size: 0.92rem;
}

.bildirim-kutusu {
    background: #ECFDF5;
    border-left: 5px solid var(--mudavim-yesil);
    color: #065F46;
    padding: 0.85rem 1.25rem;
    border-radius: 8px;
    margin-bottom: 1.25rem;
    font-weight: 600;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 6px rgba(0,0,0,0.05);
}

/* KPI Özet Kartları */
.kpi-izgara {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 1.1rem;
    margin-bottom: 1.5rem;
}

.kpi-kart {
    background: var(--mudavim-kart);
    border-radius: 12px;
    padding: 1.2rem;
    border: 1px solid var(--mudavim-sinir);
    border-top: 4px solid var(--mudavim-turkuaz);
    box-shadow: 0 2px 8px rgba(15, 23, 42, 0.04);
}

.kpi-kart.lacivert { border-top-color: var(--mudavim-lacivert); }
.kpi-kart.yesil { border-top-color: var(--mudavim-yesil); }
.kpi-kart.turuncu { border-top-color: var(--mudavim-turuncu); }

.kpi-ust {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--mudavim-gri);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
}

.kpi-deger {
    font-size: 1.7rem;
    font-weight: 800;
    color: var(--mudavim-lacivert);
    margin: 0.45rem 0 0.25rem 0;
}

.kpi-alt {
    font-size: 0.8rem;
    color: var(--mudavim-gri);
}

/* Sekme (Tab) Butonları */
.sekme-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    margin-bottom: 1.25rem;
    border-bottom: 2px solid var(--mudavim-sinir);
    padding-bottom: 0.75rem;
}

.sekme-btn {
    background: #fff;
    border: 1px solid var(--mudavim-sinir);
    color: var(--mudavim-metin);
    padding: 0.65rem 1.25rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.92rem;
    cursor: pointer;
    transition: all 0.15s;
}

.sekme-btn:hover {
    border-color: var(--mudavim-turkuaz);
    color: var(--mudavim-turkuaz);
}

.sekme-btn.aktif {
    background: var(--mudavim-lacivert);
    color: #fff;
    border-color: var(--mudavim-lacivert);
}

/* Kart ve Tablo Yapıları */
.panel-kart {
    background: var(--mudavim-kart);
    border-radius: 12px;
    border: 1px solid var(--mudavim-sinir);
    padding: 1.35rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 2px 8px rgba(15, 23, 42, 0.04);
}

.panel-kart h2, .panel-kart h3 {
    margin-top: 0;
    color: var(--mudavim-lacivert);
}

.mudavim-tablo {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.mudavim-tablo th {
    background: #F8FAFC;
    color: var(--mudavim-lacivert);
    text-align: left;
    padding: 0.75rem 0.9rem;
    border-bottom: 2px solid var(--mudavim-sinir);
    font-weight: 700;
}

.mudavim-tablo td {
    padding: 0.75rem 0.9rem;
    border-bottom: 1px solid var(--mudavim-sinir);
    vertical-align: middle;
}

.mudavim-tablo tr:hover {
    background-color: #F8FAFC;
}

/* Rozetler (Badges) */
.rozet {
    display: inline-block;
    padding: 0.25rem 0.65rem;
    border-radius: 999px;
    font-size: 0.76rem;
    font-weight: 700;
}

.rozet-turkuaz { background: #E0F7FA; color: #006064; }
.rozet-yesil { background: #D1FAE5; color: #065F46; }
.rozet-turuncu { background: #FEF3C7; color: #92400E; }
.rozet-kirmizi { background: #FEE2E2; color: #991B1B; }
.rozet-mor { background: #EDE9FE; color: #5B21B6; }
.rozet-lacivert { background: #E0E7FF; color: #1E3A8A; }

/* Butonlar */
.btn {
    border: none;
    border-radius: 7px;
    padding: 0.5rem 0.95rem;
    font-weight: 600;
    font-size: 0.85rem;
    cursor: pointer;
    transition: opacity 0.15s, transform 0.1s;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

.btn:hover { opacity: 0.92; }
.btn:active { transform: scale(0.98); }

.btn-turkuaz { background: var(--mudavim-turkuaz); color: #fff; }
.btn-lacivert { background: var(--mudavim-lacivert); color: #fff; }
.btn-yesil { background: var(--mudavim-yesil); color: #fff; }
.btn-turuncu { background: var(--mudavim-turuncu); color: #fff; }
.btn-kirmizi { background: var(--mudavim-kirmizi); color: #fff; }
.btn-cizgi { background: #fff; border: 1px solid var(--mudavim-sinir); color: var(--mudavim-metin); }

/* Form Elemanları */
.form-izgara {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 0.9rem;
    margin-bottom: 1rem;
}

.form-grup {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.form-grup label {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--mudavim-lacivert);
}

.form-kontrol {
    padding: 0.55rem 0.75rem;
    border: 1px solid #CBD5E1;
    border-radius: 7px;
    font-size: 0.9rem;
    font-family: inherit;
}

.form-kontrol:focus {
    outline: none;
    border-color: var(--mudavim-turkuaz);
    box-shadow: 0 0 0 3px rgba(0, 168, 181, 0.15);
}

/* Sipariş Kartları (Mutfak/Aşçı Ekranı) */
.siparis-izgara {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
    gap: 1.15rem;
}

.siparis-kart {
    background: #fff;
    border: 1px solid var(--mudavim-sinir);
    border-left: 6px solid var(--mudavim-turkuaz);
    border-radius: 10px;
    padding: 1.1rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 0.85rem;
}

.siparis-kart.bekliyor { border-left-color: var(--mudavim-kirmizi); }
.siparis-kart.hazirlaniyor { border-left-color: var(--mudavim-turuncu); }
.siparis-kart.servis { border-left-color: var(--mudavim-yesil); }

.kalem-satir {
    background: #F8FAFC;
    border: 1px solid #E2E8F0;
    border-radius: 8px;
    padding: 0.6rem 0.75rem;
    margin-bottom: 0.45rem;
}

.alt-bilgi {
    text-align: center;
    padding: 1.25rem;
    color: var(--mudavim-gri);
    font-size: 0.85rem;
    border-top: 1px solid var(--mudavim-sinir);
    background: #fff;
    margin-top: 2rem;
}