/* ============================================================
   Hesaplama Araçları — hesaplama.css
   ============================================================ */

.hesaplama-sayfa {
    padding: var(--bosluk-3xl) 0 var(--bosluk-4xl);
    background: var(--renk-arka-plan-acik);
    min-height: 70vh;
}

/* ── Ana Layout: Sol Sidebar + Sağ İçerik ── */
.hc-layout {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 28px;
    align-items: start;
}

/* ── Sol Sidebar (Araç Listesi) ── */
.hc-sidebar {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.07);
    border: 1px solid var(--renk-sinir-acik);
    overflow: hidden;
    position: sticky;
    top: 100px;
}

.hc-sidebar-baslik {
    padding: 16px 20px;
    background: var(--renk-ikincil);
    color: #fff;
    font-family: var(--font-baslik);
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    display: flex;
    align-items: center;
    gap: 8px;
}

.hc-sidebar-baslik i {
    color: var(--renk-birincil);
}

.hc-sidebar-nav {
    padding: 8px 0;
}

.hc-sidebar-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    padding: 11px 20px;
    border: none;
    background: transparent;
    color: var(--renk-metin-acik);
    font-family: var(--font-govde);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    text-align: left;
    transition: all 0.15s ease;
    border-left: 3px solid transparent;
}

.hc-sidebar-btn i {
    width: 18px;
    text-align: center;
    color: var(--antrasit-400);
    font-size: 0.85rem;
    flex-shrink: 0;
    transition: color 0.15s;
}

.hc-sidebar-btn:hover {
    background: var(--altin-100);
    color: var(--renk-ikincil);
    border-left-color: var(--altin-200);
}

.hc-sidebar-btn:hover i {
    color: var(--renk-birincil);
}

.hc-sidebar-btn.aktif {
    background: var(--altin-100);
    color: var(--renk-ikincil);
    font-weight: 700;
    border-left-color: var(--renk-birincil);
}

.hc-sidebar-btn.aktif i {
    color: var(--renk-birincil);
}

.hc-sidebar-ayrac {
    height: 1px;
    background: var(--renk-sinir-acik);
    margin: 4px 0;
}

/* ── Sağ İçerik Alanı ── */
.hc-icerik {
    min-width: 0;
}

.hc-panel {
    display: none;
}

.hc-panel.aktif {
    display: block;
}

/* ── Panel İçi: Form tam genişlik, sonuç altında ── */
.hc-panel-icerik {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

/* ── Form Kartı ── */
.hc-form-bolum {
    background: #fff;
    border-radius: 12px;
    padding: 28px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
    border: 1px solid var(--renk-sinir-acik);
}

.hc-baslik {
    font-family: var(--font-baslik);
    font-size: 1.2rem;
    color: var(--renk-ikincil);
    margin-bottom: 6px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.hc-baslik i {
    color: var(--renk-birincil);
    font-size: 1rem;
}

.hc-aciklama {
    color: var(--renk-metin-acik);
    font-size: 0.85rem;
    margin-bottom: 22px;
    line-height: 1.6;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--renk-sinir-acik);
}

.hc-form {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.hc-form-satir {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 12px;
}

.hc-form-grup {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.hc-form-grup label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--renk-ikincil);
}

.hc-form-grup label small {
    font-weight: 400;
    color: var(--renk-metin-acik);
}

.hc-input {
    padding: 9px 12px;
    border: 1.5px solid var(--renk-sinir);
    border-radius: 7px;
    font-family: var(--font-govde);
    font-size: 0.875rem;
    color: var(--renk-metin);
    background: #fff;
    transition: border-color 0.2s, box-shadow 0.2s;
    width: 100%;
    box-sizing: border-box;
}

.hc-input:focus {
    outline: none;
    border-color: var(--renk-birincil);
    box-shadow: 0 0 0 3px var(--altin-100);
}

.hc-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 11px 24px;
    background: var(--renk-birincil);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-family: var(--font-govde);
    font-size: 0.9rem;
    font-weight: 700;
    cursor: pointer;
    transition: background 0.2s, transform 0.1s;
    margin-top: 6px;
    align-self: flex-start;
}

.hc-btn:hover  { background: var(--renk-birincil-koyu); transform: translateY(-1px); }
.hc-btn:active { transform: translateY(0); }

/* ── Sonuç Kartı ── */
.hc-sonuc-bolum {
    background: #fff;
    border-radius: 12px;
    padding: 28px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
    border: 1px solid var(--renk-sinir-acik);
    border-top: 4px solid var(--renk-birincil);
}

.hc-sonuc-baslik {
    font-family: var(--font-baslik);
    font-size: 1rem;
    color: var(--renk-ikincil);
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--renk-sinir-acik);
    display: flex;
    align-items: center;
    gap: 8px;
}

.hc-sonuc-baslik::before {
    content: '';
    display: inline-block;
    width: 4px;
    height: 18px;
    background: var(--renk-birincil);
    border-radius: 2px;
}

.hc-sonuc-grid {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.hc-sonuc-satir {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 9px 12px;
    background: var(--renk-arka-plan-acik);
    border-radius: 7px;
    font-size: 0.875rem;
    gap: 12px;
}

.hc-sonuc-satir.vurgulu {
    background: var(--altin-100);
    border: 1.5px solid var(--altin-200);
    margin-top: 4px;
}

.hc-sonuc-satir .etiket {
    color: var(--renk-metin-acik);
    font-weight: 500;
    flex: 1;
}

.hc-sonuc-satir .deger {
    font-weight: 700;
    color: var(--renk-ikincil);
    white-space: nowrap;
}

.hc-sonuc-satir.vurgulu .deger {
    color: var(--renk-birincil-koyu);
    font-size: 1rem;
}

.hc-uyari {
    margin-top: 14px;
    padding: 9px 12px;
    background: #fff8e1;
    border-left: 3px solid var(--renk-birincil);
    border-radius: 0 6px 6px 0;
    font-size: 0.78rem;
    color: var(--renk-metin-acik);
    display: flex;
    align-items: flex-start;
    gap: 7px;
    line-height: 1.5;
}

.hc-uyari i {
    color: var(--renk-birincil);
    margin-top: 1px;
    flex-shrink: 0;
}

/* ── Boş sonuç placeholder ── */
.hc-sonuc-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    color: var(--antrasit-400);
    text-align: center;
    gap: 12px;
}

.hc-sonuc-placeholder i {
    font-size: 2.5rem;
    color: var(--altin-200);
}

.hc-sonuc-placeholder p {
    font-size: 0.875rem;
    line-height: 1.5;
}

/* ── Responsive ── */
@media (max-width: 1100px) {
    .hc-layout {
        grid-template-columns: 220px 1fr;
    }
}

@media (max-width: 860px) {
    .hc-layout {
        grid-template-columns: 1fr;
    }
    .hc-sidebar {
        position: static;
    }
    .hc-sidebar-nav {
        display: flex;
        flex-wrap: wrap;
        padding: 10px;
        gap: 6px;
    }
    .hc-sidebar-btn {
        border-left: none;
        border-radius: 6px;
        border: 1.5px solid var(--renk-sinir);
        padding: 8px 12px;
        font-size: 0.8rem;
        width: auto;
    }
    .hc-sidebar-btn.aktif {
        border-color: var(--renk-birincil);
        background: var(--renk-birincil);
        color: #fff;
    }
    .hc-sidebar-btn.aktif i { color: #fff; }
    .hc-sidebar-ayrac { display: none; }
}

@media (max-width: 600px) {
    .hc-form-bolum,
    .hc-sonuc-bolum {
        padding: 18px;
    }
}