:root {
    --bg-top: #f6efe1;
    --bg-bottom: #eadfd0;
    --paper: rgba(255, 251, 245, 0.9);
    --paper-strong: #fffaf2;
    --ink: #171411;
    --muted: #655d53;
    --line: rgba(23, 20, 17, 0.1);
    --brand: #ca6018;
    --brand-soft: #f3c2a0;
    --blue-soft: #dce8ff;
    --shadow: 0 24px 80px rgba(86, 55, 24, 0.12);
    --low: #2c9e62;
    --moderate: #347fe0;
    --high: #ea8d20;
    --critical: #d84d4d;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: "Space Grotesk", sans-serif;
    color: var(--ink);
    background:
        radial-gradient(circle at 0% 0%, rgba(255, 189, 128, 0.65), transparent 30%),
        radial-gradient(circle at 100% 10%, rgba(110, 157, 255, 0.28), transparent 22%),
        linear-gradient(180deg, var(--bg-top) 0%, var(--bg-bottom) 100%);
}

.page-shell {
    width: min(1180px, calc(100% - 32px));
    margin: 0 auto;
    padding: 28px 0 56px;
}

.hero-card,
.result-card,
.summary-card {
    background: var(--paper);
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
    backdrop-filter: blur(14px);
}

.hero-card {
    position: relative;
    overflow: hidden;
    border-radius: 34px;
    padding: 32px;
    display: grid;
    gap: 26px;
}

.hero-card::after {
    content: "";
    position: absolute;
    inset: auto -100px -100px auto;
    width: 260px;
    height: 260px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(202, 96, 24, 0.18), transparent 68%);
}

.eyebrow,
.result-label {
    margin: 0 0 8px;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    font-size: 0.76rem;
    color: #8f5224;
}

h1,
h2,
h3,
p {
    margin-top: 0;
}

h1 {
    margin-bottom: 12px;
    font-size: clamp(3rem, 7vw, 5.6rem);
    line-height: 0.88;
    letter-spacing: -0.04em;
}

h1 span {
    font-family: "Instrument Serif", serif;
    font-style: italic;
    font-weight: 400;
}

.intro {
    max-width: 760px;
    color: var(--muted);
    font-size: 1.04rem;
    line-height: 1.65;
}

.hero-metrics {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
}

.metric-pill {
    padding: 16px 18px;
    border-radius: 22px;
    border: 1px solid var(--line);
    background: linear-gradient(180deg, rgba(255, 250, 245, 0.98), rgba(252, 244, 236, 0.92));
}

.metric-pill strong,
.summary-card strong,
.result-stats strong,
.detail-grid strong {
    display: block;
}

.metric-pill span,
.summary-card span,
.result-stats span,
.field small,
.detail-grid span {
    color: var(--muted);
}

.upload-form {
    display: grid;
    gap: 20px;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.field {
    display: grid;
    gap: 9px;
    font-weight: 500;
}

.field-wide {
    grid-column: span 2;
}

.field input {
    width: 100%;
    padding: 15px 16px;
    border-radius: 18px;
    border: 1px solid var(--line);
    background: var(--paper-strong);
    font: inherit;
    color: var(--ink);
}

.field select {
    width: 100%;
    padding: 15px 16px;
    border-radius: 18px;
    border: 1px solid var(--line);
    background: var(--paper-strong);
    font: inherit;
    color: var(--ink);
}

button {
    justify-self: start;
    padding: 15px 24px;
    border: 0;
    border-radius: 999px;
    background: linear-gradient(135deg, #b95116, #e0853a);
    color: #fff;
    font: inherit;
    font-weight: 700;
    letter-spacing: 0.01em;
    cursor: pointer;
    box-shadow: 0 16px 34px rgba(185, 81, 22, 0.26);
    transition: transform 180ms ease, box-shadow 180ms ease;
}

button:hover {
    transform: translateY(-2px);
    box-shadow: 0 20px 38px rgba(185, 81, 22, 0.3);
}

.message {
    padding: 14px 16px;
    border-radius: 18px;
    font-weight: 500;
}

.error {
    background: #cc4c3d;
    color: #fff;
}

.neutral {
    background: rgba(23, 20, 17, 0.06);
}

.info {
    background: rgba(52, 127, 224, 0.1);
    color: #204f8f;
}

.model-guide {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
}

.model-card {
    padding: 18px;
    border-radius: 22px;
    border: 1px solid var(--line);
    background: linear-gradient(180deg, rgba(255, 250, 245, 0.98), rgba(252, 244, 236, 0.92));
}

.model-card h3 {
    margin-bottom: 8px;
    font-size: 1rem;
}

.model-card p {
    margin-bottom: 12px;
    color: var(--muted);
}

.model-card-active {
    border-color: rgba(202, 96, 24, 0.35);
    box-shadow: inset 0 0 0 1px rgba(202, 96, 24, 0.18);
}

.model-kind,
.model-used {
    color: var(--muted);
    font-size: 0.92rem;
}

.summary-strip {
    margin-top: 22px;
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 14px;
}

.summary-card {
    border-radius: 24px;
    padding: 18px;
}

.summary-card strong {
    margin-top: 10px;
    font-size: 1.7rem;
}

.results-grid {
    margin-top: 24px;
    display: grid;
    gap: 24px;
}

.result-card {
    overflow: hidden;
    border-radius: 30px;
    display: grid;
    grid-template-columns: minmax(280px, 500px) 1fr;
}

.image-panel {
    background:
        linear-gradient(135deg, #191612 0%, #28211a 100%);
    min-height: 100%;
}

.image-panel img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.result-body {
    padding: 24px;
    display: grid;
    gap: 20px;
}

.result-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 16px;
}

.result-header h2 {
    margin-bottom: 0;
    font-size: clamp(1.6rem, 3vw, 2.4rem);
    line-height: 1;
}

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

.result-stats > div,
.report-item {
    border: 1px solid var(--line);
    background: var(--paper-strong);
    border-radius: 22px;
}

.result-stats > div {
    padding: 16px;
}

.result-stats strong {
    margin-top: 8px;
    font-size: 1.1rem;
}

.report-list {
    display: grid;
    gap: 16px;
}

.report-item {
    padding: 18px;
}

.report-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    margin-bottom: 14px;
}

.report-head h3 {
    margin-bottom: 0;
    font-size: 1.15rem;
}

.report-subtitle {
    margin: 6px 0 0;
    color: var(--muted);
}

.detail-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px 18px;
}

.detail-grid p {
    margin-bottom: 0;
}

.detail-grid span {
    display: block;
    margin-top: 4px;
}

.severity-chip {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 14px;
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 700;
    border: 1px solid transparent;
    white-space: nowrap;
}

.parts-strip {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.part-chip {
    padding: 9px 12px;
    border-radius: 999px;
    border: 1px solid rgba(52, 127, 224, 0.16);
    background: rgba(52, 127, 224, 0.09);
    color: #25548f;
    font-size: 0.9rem;
    font-weight: 600;
}

.severity-none,
.severity-low {
    color: var(--low);
    background: rgba(44, 158, 98, 0.12);
    border-color: rgba(44, 158, 98, 0.18);
}

.severity-moderate {
    color: var(--moderate);
    background: rgba(52, 127, 224, 0.12);
    border-color: rgba(52, 127, 224, 0.16);
}

.severity-high {
    color: var(--high);
    background: rgba(234, 141, 32, 0.13);
    border-color: rgba(234, 141, 32, 0.18);
}

.severity-critical {
    color: var(--critical);
    background: rgba(216, 77, 77, 0.12);
    border-color: rgba(216, 77, 77, 0.16);
}

code {
    padding: 0.08em 0.42em;
    border-radius: 8px;
    background: rgba(23, 20, 17, 0.08);
}

@media (max-width: 1040px) {
    .summary-strip {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .result-card {
        grid-template-columns: 1fr;
    }

    .image-panel img {
        max-height: 420px;
    }
}

@media (max-width: 760px) {
    .page-shell {
        width: min(100% - 20px, 1180px);
    }

    .hero-card,
    .result-body {
        padding: 20px;
    }

    .hero-metrics,
    .model-guide,
    .form-grid,
    .result-stats,
    .detail-grid,
    .summary-strip {
        grid-template-columns: 1fr;
    }

    .field-wide {
        grid-column: span 1;
    }

    .result-header,
    .report-head {
        flex-direction: column;
        align-items: flex-start;
    }
}