:root{
    --bgColor: #f0f0f0;
    --textColor: #212529;
    --inputTextColor: #dee2e6;

    --fontSizeTitle: 4.5vh;
    --fontSizeSubtitle: 3vh;
    --fontSizeCmd: 2.5vh;
    --fontSizeText: 2.2vh;
    --fontSizeSmall: calc(var(--fontSizeText) * 0.85);
    --fontSizeBrand: 6vh;
    --fontSizeModalTitle: 3.5vh;

    --fontStyleTitle: "Anton", serif;

    /* Escala de gravidade compartilhada entre a qualidade da amostra, o
       velocímetro de esclerose e as barras de avaliação (IFTA/TCMR/AMR). */
    --colorPending: #6c757d;
    --colorNone: #1b7a3d;
    --colorMild: #f9a825;
    --colorModerate: #ef6c00;
    --colorSevere: #a4161a;
}

@media screen and (max-width: 1024px) {
    :root{
        --fontSizeTitle: 4vh;
        --fontSizeSubtitle: 2.8vh;
        --fontSizeCmd: 2.2vh;
        --fontSizeText: 2vh;
        --fontSizeBrand: 5vh;
    }
}

@media screen and (max-width: 440px) {
    :root{
        --fontSizeTitle: 4vh;
        --fontSizeSubtitle: 2.8vh;
        --fontSizeCmd: 2.5vh;
        --fontSizeText: 2.2vh;
        --fontSizeBrand: 4.3vh;
    }
}

* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    overflow-x: hidden;
    color: var(--textColor);
    background-color: var(--bgColor);
}

/* ===== Hero ===== */

.hero {
    position: relative;
    width: 100%;
    height: auto;
    padding: 2.5rem 1rem;
    background: linear-gradient(135deg, #2b3a55, #4a6a8a);
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-box {
    width: min(90%, 720px);
    background-color: #fff;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.hero-box-title {
    font-size: var(--fontSizeTitle);
    font-weight: 700;
    color: #fff;
    text-align: center;
    background-color: #1c2740;
    padding: 0.75rem 1.5rem;
    margin: -1.5rem -1.5rem 0;
    border-radius: 12px 12px 0 0;
}

.hero-box-input {
    width: 100%;
    border: 1px solid var(--inputTextColor);
    border-radius: 8px;
    padding: 0.6rem 0.8rem;
    font-size: var(--fontSizeText);
    color: var(--textColor);
    font-family: inherit;
}

.hero-box-input:focus {
    outline: none;
    border-color: #4a6a8a;
}

.hero-box-section-label {
    font-size: var(--fontSizeSubtitle);
    font-weight: 600;
    color: #fff;
    text-align: center;
    background-color: #7ea3c9;
    padding: 0.5rem 1.5rem;
    margin: 0 -1.5rem;
}

.hero-box-manual {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.hero-box-ratio-group {
    flex: 1 1 100px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.hero-box-ratio-divider {
    flex: 0 0 auto;
    font-size: var(--fontSizeSubtitle);
    font-weight: 600;
    color: var(--textColor);
}

.hero-box-select-group {
    flex: 1 1 100px;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.hero-box-select {
    width: 100%;
    border: 1px solid var(--inputTextColor);
    border-radius: 8px;
    padding: 0.5rem 0.6rem;
    font-size: var(--fontSizeText);
    color: var(--textColor);
    font-family: inherit;
    background-color: #fff;
}

.hero-box-select:focus {
    outline: none;
    border-color: #4a6a8a;
}

.hero-box-select:invalid {
    color: #6c757d;
}

.hero-box-button {
    width: 100%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    border: none;
    border-radius: 8px;
    padding: 0.6rem 1.4rem;
    font-size: var(--fontSizeText);
    font-weight: 600;
    color: #fff;
    background-color: #2b3a55;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.hero-box-button:hover {
    background-color: #1c2740;
}

/* ===== Resultados ===== */

.results {
    background-color: #fff;
    padding: 2.5rem 1.5rem;
}

.sample-quality {
    max-width: 1400px;
    margin: 0 auto 1.5rem;
    padding: 0.75rem 1.5rem;
    border: 1px solid #000;
    border-radius: 12px;
    text-align: center;
    color: #fff;
    background-color: var(--colorPending);
    transition: background-color 0.2s ease;
}

.sample-quality-label {
    font-size: var(--fontSizeSubtitle);
    font-weight: 600;
    margin-right: 0.4em;
}

.sample-quality-value {
    font-family: var(--fontStyleTitle);
    font-size: var(--fontSizeSubtitle);
}

.sample-quality--adequate {
    background-color: var(--colorNone);
}

.sample-quality--marginal {
    background-color: var(--colorModerate);
}

.sample-quality--unsatisfactory {
    background-color: var(--colorSevere);
}

.evaluations-row {
    max-width: 1400px;
    margin: 0 auto 5vh;
    display: flex;
    flex-wrap: wrap;
    align-items: stretch;
    gap: 1rem;
}

.gauge-card {
    flex: 1 1 280px;
    max-width: 320px;
    background-color: #fff;
    border: 1px solid var(--inputTextColor);
    border-radius: 12px;
    overflow: hidden;
    text-align: center;
    display: flex;
    flex-direction: column;
}

.eval-bars-stack {
    flex: 2 1 320px;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    gap: 0.75rem;
}

.eval-bar {
    width: 100%;
    padding: 0.4rem 1rem;
    border: 1px solid #000;
    border-radius: 15px;
    text-align: center;
    color: #fff;
    transition: background-color 0.2s ease;
}

.eval-bar-label {
    font-size: var(--fontSizeCmd);
    font-weight: 600;
    margin-right: 0.4em;
}

.eval-bar-value {
    font-size: var(--fontSizeCmd);
}

.eval-bar--pending {
    background-color: var(--colorPending);
}

.eval-bar--none {
    background-color: var(--colorNone);
}

.eval-bar--mild {
    background-color: var(--colorMild);
}

.eval-bar--moderate {
    background-color: var(--colorModerate);
}

.eval-bar--severe {
    background-color: var(--colorSevere);
}

@media screen and (max-width: 700px) {
    .evaluations-row .gauge-card,
    .evaluations-row .eval-bars-stack {
        flex-basis: 100%;
        max-width: 100%;
    }
}

.gauge-card-header {
    background-color: #7ea3c9;
    color: #fff;
    font-size: var(--fontSizeCmd);
    font-weight: 600;
    padding: 0.6rem 1rem;
}

.gauge-card-body {
    flex: 1;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.gauge-svg {
    width: 100%;
    max-width: 260px;
    height: auto;
}

.gauge-track {
    fill: none;
    stroke: #e9ecef;
    stroke-width: 16;
    stroke-linecap: round;
}

.gauge-progress {
    fill: none;
    stroke: var(--colorNone);
    stroke-width: 16;
    stroke-linecap: round;
    transition: stroke-dashoffset 0.4s ease, stroke 0.3s ease;
}

.gauge-value {
    font-family: var(--fontStyleTitle);
    font-size: var(--fontSizeTitle);
    fill: #2b3a55;
}

.gauge-label {
    margin-top: 0.5rem;
    font-family: var(--fontStyleTitle);
    font-size: var(--fontSizeTitle);
    font-weight: 600;
    color: #2b3a55;
}

.results-title {
    max-width: 1400px;
    margin: 0 auto 1.5rem;
    font-size: var(--fontSizeTitle);
    font-weight: 700;
    color: #fff;
    background-color: #1c2740;
    text-align: center;
    padding: 0.75rem 1.5rem;
}

.criteria-grid {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
}

.criteria-card {
    flex: 1 1 220px;
    min-width: 150px;
    height: clamp(150px, 18vw, 220px);
    display: flex;
    flex-direction: column;
    border: 1px solid var(--inputTextColor);
    border-radius: 12px;
    overflow: hidden;
    text-align: center;
}

@media screen and (max-width: 600px) {
    .criteria-card {
        flex-basis: 150px;
    }
}

.criteria-card-header {
    background-color: #7ea3c9;
    height: calc(var(--fontSizeCmd) * 3.6 + 1.2rem);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 0.6rem 0.5rem;
}

.criteria-card-name {
    font-size: var(--fontSizeCmd);
    line-height: 1.2;
    font-weight: 600;
    color: #fff;
}

.criteria-card-body {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.criteria-card-score {
    font-family: var(--fontStyleTitle);
    font-size: var(--fontSizeTitle);
    color: #2b3a55;
}