/* wwwroot/css/calculation.css */
:root {
    --calc-ink: #e9f1f7;
    --calc-muted: #b9c8d8;
    --calc-glass: rgba(255,255,255,.08);
    --calc-border: rgba(255,255,255,.18);
    --calc-bar: rgba(5,18,32,.74);
}

/* Page layers */
.calc-page {
    position: relative;
    min-height: 100vh;
}

.calc-bg {
    position: fixed;
    inset: 0;
    z-index: 0;
    background: radial-gradient(900px 700px at 20% 25%, rgba(255,255,255,.18), transparent 60%), linear-gradient(180deg, rgba(0,35,77,.25), rgba(0,14,28,.65)), var(--bg-img, url('/assets/background.jpg')) center/cover no-repeat fixed;
}

    .calc-bg::after {
        content: "";
        position: fixed;
        top: 16px;
        right: 16px;
        width: 84px;
        height: 84px;
        z-index: 0;
        background: var(--logo) center/contain no-repeat;
        opacity: .25;
        filter: drop-shadow(0 2px 6px rgba(0,0,0,.4));
    }

.calc-content {
    position: relative;
    z-index: 1;
    padding-bottom: 220px;
}

/* Glass card */
.calc-card {
    color: var(--calc-ink);
    background: var(--calc-glass);
    border: 1px solid var(--calc-border);
    backdrop-filter: blur(10px) saturate(120%);
}

    .calc-card .form-label {
        color: var(--calc-ink);
    }

    .calc-card .form-control {
        color: var(--calc-ink);
        background: rgba(0,0,0,.28);
        border-color: var(--calc-border);
    }

        .calc-card .form-control::placeholder {
            color: rgba(233,241,247,.6);
        }

    .calc-card .btn-primary {
        box-shadow: 0 8px 22px rgba(49,132,253,.35);
    }

/* Result bar */
.calc-result {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1030;
    color: var(--calc-ink);
    background: var(--calc-bar);
    border-top: 1px solid var(--calc-border);
    backdrop-filter: blur(10px) saturate(120%);
}

.calc-spacer {
    height: 220px;
}

/* KPI boxes */
#calcKpis .kpi {
    border: 1px solid var(--calc-border);
    border-radius: .65rem;
    padding: .5rem .75rem;
    background: rgba(0,0,0,.28);
    min-width: 160px;
}

    #calcKpis .kpi .k {
        font-size: .75rem;
        color: var(--calc-muted);
        line-height: 1;
    }

    #calcKpis .kpi .v {
        font-weight: 700;
        font-size: 1rem;
        margin-top: .15rem;
    }

/* History list */
.calc-history {
    max-height: 36vh;
    overflow: auto;
}

.calc-row {
    display: grid;
    gap: .5rem;
    align-items: center;
    grid-template-columns: 64px 1fr 1fr 1fr 1fr 1fr auto;
    background: transparent;
    color: var(--calc-ink);
    padding: .4rem .25rem;
    border-bottom: 1px dashed rgba(255,255,255,.15);
}

    .calc-row .badge-final {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 48px;
        height: 32px;
        border-radius: .5rem;
        background: rgba(49,132,253,.25);
        border: 1px solid rgba(49,132,253,.4);
        font-weight: 700;
    }

    .calc-row small {
        color: var(--calc-muted);
    }

@media (max-width: 768px) {
    .calc-spacer {
        height: 260px;
    }

    .calc-row {
        grid-template-columns: 64px 1fr 1fr auto;
    }

        .calc-row .hide-sm {
            display: none;
        }
}

/* Help icon + pop */
.calc-help {
    font-size: 1rem;
    color: #b9c8d8;
    cursor: pointer;
    line-height: 1;
}

    .calc-help:hover {
        color: #ffffff;
    }

.calc-pop {
    position: fixed;
    left: 0;
    top: 0;
    width: 360px;
    height: 202px;
    display: none;
    z-index: 1060;
    background: rgba(0,0,0,.35);
    border: 1px solid rgba(255,255,255,.25);
    border-radius: 12px;
    overflow: hidden;
    backdrop-filter: blur(10px) saturate(130%);
    box-shadow: 0 10px 30px rgba(0,0,0,.45);
    pointer-events: none;
}

    .calc-pop.show {
        display: block;
    }

    .calc-pop video {
        display: block;
        width: 100%;
        height: 100%;
        object-fit: cover; /* siyah kenar yok; gerekirse merkezden kırp */
        object-position: center;
        background: transparent;
    }