:root {
    --bg: #FFFFFF;
    --card: #F8F8F8;
    --muted: #666666;
    --text: #333333;
    --accent: #191B1D;
    --warn: #f59e0b;
    --err: #ef4444;
    --line: #E0E0E0;
}

* {
    box-sizing: border-box;
}

body {
    background: var(--bg);
    color: var(--text);
    line-height: 1.1em;
}

header {
    position: sticky;
    top: 0;
    z-index: 10;
    background: rgba(255,255,255,.8);
    backdrop-filter: blur(10px);
}

.wrap {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem;
}

.h-row {
    display: flex;
    align-items: center;
    gap: .75rem;
}

.logo {
    font-size: 1.35rem;
}

.title {
    font-weight: 800;
}

main .wrap {
    display: grid;
    grid-template-columns: 430px 1fr;
    gap: 1rem;
}

.card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 1rem;
}

.muted {
    color: var(--muted);
}

.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: .6rem;
}

label {
    font-size: .85rem;
    color: var(--muted);
    display: block;
    margin: .15rem 0;
}

input, select, textarea {
    width: 100%;
    padding: .65rem .8rem;
    border-radius: .6rem;
    border: 1px solid #c8c8c8;
    background: #FFFFFF;
    color: var(--text);
    font-size: 1rem;
}

    input:focus, select:focus, textarea:focus {
        outline: none;
        border-color: #A0A0A0;
        box-shadow: 0 0 0 3px rgba(160,160,160,.15);
    }

    /* Style for invalid input fields */
    input.invalid {
        border-color: var(--err);
        box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.15);
    }

.hint {
    font-size: .75rem;
    color: var(--muted);
    margin-top: .25rem;
}

.row {
    display: flex;
    gap: .6rem;
    flex-wrap: wrap;
}

.btn {
    background: var(--accent);
    border: none;
    color: #FFFFFF;
    padding: .7rem 1rem;
    border-radius: .6rem;
    cursor: pointer;
    font-weight: 700;
}

    .btn.secondary {
        background: #666666;
        color: #FFFFFF;
    }

    .btn.ghost {
        background: transparent;
        border: 1px solid var(--line);
        color: var(--muted);
    }

    .btn:disabled {
        opacity: .6;
        cursor: not-allowed;
    }

.section-title {
    margin: .5rem 0;
    font-size: 1.05rem;
    font-weight: 700;
}

.kpis {
    display: grid;
    grid-template-columns: repeat(4,1fr);
    gap: .6rem;
    margin-top: .6rem;
}

.kpi {
    background: #FFFFFF;
    border: 1px solid var(--line);
    border-radius: .75rem;
    padding: .7rem;
}

    .kpi .label {
        color: var(--muted);
        font-size: .8rem;
    }

    .kpi .value {
        font-weight: 800;
        margin-top: .2rem;
        font-variant-numeric: tabular-nums;
    }

ul {
    margin: .25rem 0 .25rem 1.1rem;
    padding-left: 1rem;
}

.msgs {
    margin-top: .6rem;
}

.msg {
    padding: .6rem;
    border-radius: .6rem;
    border: 1px solid var(--line);
    background: #FFFFFF;
    font-size: .9rem;
}

    .msg.err {
        border-color: rgba(25,27,29,0.05);
        background: rgba(25,27,29,0.05);
        color: #ff0000;
    }

.table {
    width: 100%;
    border-collapse: collapse;
    border: 1px solid var(--line);
    border-radius: .6rem;
    overflow: hidden;
}

    .table th, .table td {
        border-bottom: 1px solid var(--line);
        padding: .55rem .6rem;
        text-align: right;
    }

        .table th:first-child, .table td:first-child {
            text-align: left;
        }

.sep {
    height: 1px;
    background: var(--line);
    margin: 1rem 0;
}

.pill {
    display: inline-block;
    font-size: .75rem;
    border: 1px solid var(--line);
    color: var(--muted);
    padding: .15rem .45rem;
    border-radius: .4rem;
    margin-left: .5rem;
}

.q {
    display: flex;
    align-items: center;
    justify-content: space-between;
    border: 1px solid var(--line);
    border-radius: .6rem;
    padding: .5rem .6rem;
    margin: .35rem 0;
    background: #FFFFFF;
}

    .q .txt {
        max-width: 72%;
    }

    .q select {
        max-width: 26%;
    }

footer {
    max-width: 1200px;
    margin: 1.2rem auto 2rem auto;
    color: var(--muted);
    font-size: .8rem;
    text-align: center;
}

details {
    border: 1px dashed var(--line);
    border-radius: .6rem;
    padding: .5rem .6rem;
    background: #FFFFFF;
}

summary {
    cursor: pointer;
    font-weight: 700;
    color: var(--text);
}

.cta-box {
    margin-top: 1.5rem;
    padding: 1rem;
    border-radius: .75rem;
    text-align: center;
    border: 1px solid var(--accent);
    background: rgba(25,27,29,0.05);
}

#notes li {
    line-height: normal !important;
    padding-bottom: 0.5em !important;
    font-size: 0.9rem !important;
}
/* --- Responsive Design --- */
@media (max-width: 980px) {
    main .wrap {
        grid-template-columns: 1fr;
    }

    .kpis {
        grid-template-columns: repeat(2,1fr);
    }
}

@media (max-width: 480px) {
    .wrap {
        padding: .75rem;
    }

    .kpis {
        grid-template-columns: 1fr;
    }

    .grid-2 {
        grid-template-columns: 1fr;
    }

    .title {
        font-size: 1.1rem;
    }

    .pill {
        font-size: .65rem;
        margin-left: .25rem;
        padding: .1rem .3rem;
    }

    .q {
        flex-direction: column;
        align-items: flex-start;
        gap: .5rem;
    }

        .q .txt, .q select {
            max-width: 100%;
        }
}