.kk-solar-tool,
.kk-solar-tool * {
    box-sizing: border-box;
}

.kk-solar-tool {
    --kk-primary: #15d47f;
    --kk-secondary: #0ea5e9;
    --kk-dark: #07111f;
    --kk-card: rgba(255, 255, 255, 0.94);
    --kk-muted: #667085;
    --kk-border: rgba(15, 23, 42, 0.10);
    --kk-shadow: 0 24px 70px rgba(2, 8, 23, 0.18);
    --kk-radius: 28px;
    width: 100%;
    max-width: 1320px;
    margin: 32px auto;
    color: #0f172a;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.5;
}

.kk-solar-tool button,
.kk-solar-tool input,
.kk-solar-tool select,
.kk-solar-tool textarea {
    font-family: inherit;
}

.kk-solar-hero {
    position: relative;
    overflow: hidden;
    border-radius: 34px;
    background:
        radial-gradient(circle at top right, color-mix(in srgb, var(--kk-primary), white 18%) 0, transparent 32%),
        radial-gradient(circle at 18% 18%, color-mix(in srgb, var(--kk-secondary), transparent 55%) 0, transparent 28%),
        linear-gradient(135deg, var(--kk-dark) 0%, #0f243d 62%, #102a38 100%);
    color: white;
    padding: clamp(28px, 5vw, 58px);
    box-shadow: var(--kk-shadow);
    isolation: isolate;
}

.kk-solar-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,.07) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.07) 1px, transparent 1px);
    background-size: 34px 34px;
    mask-image: linear-gradient(120deg, rgba(0,0,0,.7), transparent 75%);
    z-index: -1;
}

.kk-solar-hero__glow {
    position: absolute;
    width: 360px;
    height: 360px;
    right: -90px;
    bottom: -150px;
    border-radius: 999px;
    background: color-mix(in srgb, var(--kk-primary), transparent 12%);
    filter: blur(36px);
    opacity: .55;
    z-index: -1;
}

.kk-solar-hero__content {
    max-width: 980px;
}

.kk-solar-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 9px 14px;
    border: 1px solid rgba(255,255,255,.18);
    border-radius: 999px;
    background: rgba(255,255,255,.10);
    backdrop-filter: blur(14px);
    font-size: 13px;
    font-weight: 800;
    letter-spacing: .02em;
    text-transform: uppercase;
}

.kk-solar-badge span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--kk-primary);
    box-shadow: 0 0 0 7px color-mix(in srgb, var(--kk-primary), transparent 72%);
}

.kk-solar-hero h2 {
    margin: 18px 0 12px;
    color: #fff;
    font-size: clamp(34px, 6vw, 72px);
    line-height: .96;
    letter-spacing: -0.06em;
    font-weight: 950;
}

.kk-solar-hero p {
    max-width: 760px;
    margin: 0;
    color: rgba(255,255,255,.78);
    font-size: clamp(16px, 2vw, 21px);
}

.kk-solar-hero__stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
    margin-top: 32px;
}

.kk-solar-hero__stats > div {
    border: 1px solid rgba(255,255,255,.14);
    border-radius: 22px;
    padding: 18px;
    background: rgba(255,255,255,.10);
    backdrop-filter: blur(16px);
}

.kk-solar-hero__stats strong {
    display: block;
    color: #fff;
    font-size: clamp(22px, 3vw, 34px);
    line-height: 1;
    font-weight: 950;
}

.kk-solar-hero__stats span {
    display: block;
    margin-top: 8px;
    color: rgba(255,255,255,.70);
    font-size: 13px;
    font-weight: 700;
}

.kk-solar-layout {
    display: grid;
    grid-template-columns: minmax(320px, 390px) minmax(0, 1fr);
    gap: 22px;
    margin-top: 22px;
}

.kk-solar-panel,
.kk-solar-kpi,
.kk-solar-chart-card {
    border: 1px solid var(--kk-border);
    border-radius: var(--kk-radius);
    background: var(--kk-card);
    box-shadow: 0 20px 55px rgba(15, 23, 42, .08);
}

.kk-solar-inputs {
    position: sticky;
    top: 22px;
    align-self: start;
    padding: 20px;
}

.kk-solar-panel__head {
    margin-bottom: 18px;
}

.kk-solar-panel__head--row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
}

.kk-solar-panel__head h3,
.kk-solar-chart-card h3,
.kk-solar-summary h3 {
    margin: 0;
    color: #0f172a;
    font-size: 20px;
    font-weight: 950;
    letter-spacing: -0.03em;
}

.kk-solar-panel__head p,
.kk-solar-chart-card p,
.kk-solar-summary p {
    margin: 5px 0 0;
    color: var(--kk-muted);
    font-size: 14px;
}

.kk-solar-tabs {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 6px;
    padding: 5px;
    border-radius: 18px;
    background: #f1f5f9;
    margin-bottom: 18px;
}

.kk-solar-tabs button {
    appearance: none;
    border: 0;
    border-radius: 14px;
    background: transparent;
    color: #475569;
    cursor: pointer;
    padding: 10px 8px;
    font-size: 13px;
    font-weight: 850;
    transition: .2s ease;
}

.kk-solar-tabs button.is-active {
    color: #0f172a;
    background: #fff;
    box-shadow: 0 8px 20px rgba(15,23,42,.08);
}

.kk-solar-tab {
    display: none;
    animation: kkSolarFade .22s ease both;
}

.kk-solar-tab.is-active {
    display: block;
}

@keyframes kkSolarFade {
    from { opacity: 0; transform: translateY(4px); }
    to { opacity: 1; transform: translateY(0); }
}

.kk-solar-field {
    display: block;
    margin-bottom: 14px;
}

.kk-solar-field > span {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 7px;
    color: #334155;
    font-size: 13px;
    font-weight: 850;
}

.kk-solar-number,
.kk-solar-field input,
.kk-solar-field select,
.kk-solar-field textarea {
    width: 100%;
    border: 1px solid #dbe3ef;
    border-radius: 17px;
    background: #fff;
    color: #0f172a;
    transition: .18s ease;
}

.kk-solar-field input,
.kk-solar-field select,
.kk-solar-field textarea {
    min-height: 48px;
    padding: 12px 14px;
    font-size: 15px;
    outline: none;
}

.kk-solar-field textarea {
    resize: vertical;
}

.kk-solar-field input:focus,
.kk-solar-field select:focus,
.kk-solar-field textarea:focus,
.kk-solar-number:focus-within {
    border-color: var(--kk-primary);
    box-shadow: 0 0 0 4px color-mix(in srgb, var(--kk-primary), transparent 82%);
}

.kk-solar-number {
    display: flex;
    align-items: center;
    overflow: hidden;
}

.kk-solar-number input {
    border: 0;
    border-radius: 0;
    box-shadow: none !important;
}

.kk-solar-number em {
    flex: 0 0 auto;
    padding: 0 14px;
    color: #64748b;
    font-size: 13px;
    font-style: normal;
    font-weight: 850;
    border-left: 1px solid #e5eaf2;
}

.kk-solar-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-top: 18px;
}

.kk-solar-btn {
    appearance: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 12px 16px;
    border: 0;
    border-radius: 16px;
    cursor: pointer;
    font-weight: 950;
    font-size: 14px;
    text-decoration: none;
    transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
}

.kk-solar-btn:hover {
    transform: translateY(-1px);
}

.kk-solar-btn--primary {
    color: #03130d;
    background: linear-gradient(135deg, var(--kk-primary), color-mix(in srgb, var(--kk-primary), #fff 24%));
    box-shadow: 0 14px 30px color-mix(in srgb, var(--kk-primary), transparent 68%);
}

.kk-solar-btn--ghost {
    color: #0f172a;
    background: #eef4fb;
}

.kk-solar-results {
    min-width: 0;
}

.kk-solar-kpis {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
}

.kk-solar-kpi {
    position: relative;
    overflow: hidden;
    padding: 20px;
}

.kk-solar-kpi::after {
    content: "";
    position: absolute;
    width: 88px;
    height: 88px;
    right: -36px;
    top: -36px;
    border-radius: 999px;
    background: color-mix(in srgb, var(--kk-primary), transparent 74%);
}

.kk-solar-kpi span,
.kk-solar-deepstat span {
    display: block;
    color: #64748b;
    font-size: 13px;
    font-weight: 850;
}

.kk-solar-kpi strong,
.kk-solar-deepstat strong {
    display: block;
    margin-top: 8px;
    color: #0f172a;
    font-size: clamp(22px, 3vw, 34px);
    line-height: 1;
    letter-spacing: -0.04em;
    font-weight: 950;
}

.kk-solar-kpi small,
.kk-solar-deepstat small {
    display: block;
    margin-top: 9px;
    color: #94a3b8;
    font-size: 12px;
    font-weight: 750;
}

.kk-solar-summary {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 128px;
    align-items: center;
    gap: 20px;
    padding: 24px;
    margin-top: 14px;
}

.kk-solar-score {
    position: relative;
    display: grid;
    place-items: center;
    width: 116px;
    height: 116px;
}

.kk-solar-score svg {
    position: absolute;
    inset: 0;
    width: 116px;
    height: 116px;
    transform: rotate(-90deg);
}

.kk-solar-score circle {
    fill: none;
    stroke-width: 12;
    stroke-linecap: round;
}

.kk-solar-score circle:first-child {
    stroke: #e8edf5;
}

.kk-solar-score circle:last-child {
    stroke: var(--kk-primary);
    stroke-dasharray: 326.73;
    stroke-dashoffset: 326.73;
    transition: stroke-dashoffset .5s ease;
}

.kk-solar-score strong {
    position: relative;
    z-index: 1;
    color: #0f172a;
    font-size: 28px;
    line-height: 1;
    font-weight: 950;
}

.kk-solar-score span {
    position: relative;
    z-index: 1;
    margin-top: 32px;
    color: #94a3b8;
    font-size: 11px;
    font-weight: 850;
    text-transform: uppercase;
}

.kk-solar-charts {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
    margin-top: 14px;
}

.kk-solar-charts {
    align-items: start;
}

.kk-solar-chart-card {
    min-width: 0;
    padding: 18px;
    align-self: start;
}

.kk-solar-chart-card canvas,
.kk-solar-chart {
    display: block;
    width: 100%;
    max-width: 100%;
    margin-top: 12px;
}

.kk-solar-chart {
    position: relative;
    overflow: hidden;
    height: 260px !important;
    min-height: 260px !important;
    max-height: 260px !important;
    border-radius: 18px;
    background: linear-gradient(180deg, rgba(248, 250, 252, .8), rgba(255, 255, 255, .2));
    isolation: isolate;
}

.kk-solar-chart-svg {
    display: block !important;
    width: 100% !important;
    height: 100% !important;
    min-height: 0 !important;
    max-height: 260px !important;
    overflow: hidden !important;
}

.kk-solar-deepstats {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0;
    overflow: hidden;
    margin-top: 14px;
}

.kk-solar-deepstat {
    padding: 20px;
    border-right: 1px solid #edf1f7;
}

.kk-solar-deepstat:last-child {
    border-right: 0;
}

.kk-solar-table-wrap,
.kk-solar-lead {
    margin-top: 14px;
    padding: 22px;
}

.kk-solar-table-scroll {
    overflow-x: auto;
    border: 1px solid #e5eaf2;
    border-radius: 18px;
}

.kk-solar-table {
    width: 100%;
    min-width: 720px;
    border-collapse: collapse;
    background: #fff;
}

.kk-solar-table th,
.kk-solar-table td {
    padding: 13px 14px;
    border-bottom: 1px solid #edf1f7;
    text-align: right;
    color: #334155;
    font-size: 13px;
    white-space: nowrap;
}

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

.kk-solar-table th {
    background: #f8fafc;
    color: #475569;
    font-weight: 950;
}

.kk-solar-table tr:last-child td {
    border-bottom: 0;
}

.kk-solar-lead-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

.kk-solar-check {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    color: #64748b;
    font-size: 13px;
    margin: 12px 0 16px;
}

.kk-solar-check input {
    margin-top: 3px;
    accent-color: var(--kk-primary);
}

.kk-solar-form-status {
    margin: 12px 0 0;
    color: #334155;
    font-size: 14px;
    font-weight: 850;
}

.kk-solar-form-status.is-success {
    color: #15803d;
}

.kk-solar-form-status.is-error {
    color: #b91c1c;
}

.kk-solar-tool--compact .kk-solar-hero {
    padding: 32px;
}

.kk-solar-tool--compact .kk-solar-hero__stats {
    display: none;
}

@media (max-width: 1180px) {
    .kk-solar-layout {
        grid-template-columns: 1fr;
    }
    .kk-solar-inputs {
        position: relative;
        top: auto;
    }
    .kk-solar-kpis,
    .kk-solar-deepstats {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    .kk-solar-deepstat:nth-child(2) {
        border-right: 0;
    }
    .kk-solar-deepstat:nth-child(-n+2) {
        border-bottom: 1px solid #edf1f7;
    }
}

@media (max-width: 760px) {
    .kk-solar-tool {
        margin: 18px auto;
    }
    .kk-solar-hero,
    .kk-solar-panel,
    .kk-solar-kpi,
    .kk-solar-chart-card {
        border-radius: 22px;
    }
    .kk-solar-hero__stats,
    .kk-solar-kpis,
    .kk-solar-charts,
    .kk-solar-deepstats,
    .kk-solar-lead-grid,
    .kk-solar-summary {
        grid-template-columns: 1fr;
    }
    .kk-solar-tabs {
        grid-template-columns: repeat(2, 1fr);
    }
    .kk-solar-actions,
    .kk-solar-panel__head--row {
        grid-template-columns: 1fr;
        flex-direction: column;
        align-items: stretch;
    }
    .kk-solar-deepstat,
    .kk-solar-deepstat:nth-child(2) {
        border-right: 0;
        border-bottom: 1px solid #edf1f7;
    }
    .kk-solar-deepstat:last-child {
        border-bottom: 0;
    }
}