* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --blue: #359eff;
    --navy: #0b2341;
    --bg: #f3f7fc;
    --text: #1b2b3e;
    --muted: #6c7d91;
    --line: #dce7f2;
    --green: #26aa72;
    --shadow: 0 12px 30px rgba(23, 67, 111, 0.1);
}

html,
body {
    min-height: 100%;
}

body {
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: var(--text);
    background: radial-gradient(circle at top right, rgba(53, 158, 255, 0.13), transparent 32%), var(--bg);
}

.page {
    width: min(100% - 28px, 1320px);
    margin: auto;
    padding: 24px 0 38px;
}

.database-error {
    margin-bottom: 14px;
    padding: 12px 14px;
    border: 1px solid #efc2c2;
    border-radius: 12px;
    color: #7a2626;
    background: #fff1f1;
    font-size: 13px;
    line-height: 1.4;
}

.database-error strong,
.database-error span {
    display: block;
}

.database-error span {
    margin-top: 3px;
    overflow-wrap: anywhere;
}

.refresh-action {
    margin-bottom: 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.refresh-button {
    width: min(100%, 420px);
    min-height: 46px;
    padding: 10px 18px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border: 1px solid rgba(53, 158, 255, 0.24);
    border-radius: 12px;
    color: #fff;
    background: linear-gradient(135deg, var(--blue), #0874cf);
    box-shadow: 0 9px 20px rgba(53, 158, 255, 0.25);
    font: inherit;
    font-size: 15px;
    font-weight: 850;
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.refresh-button span {
    font-size: 20px;
    line-height: 1;
}

.refresh-button:hover,
.refresh-button:focus-visible {
    transform: translateY(-1px);
    box-shadow: 0 12px 24px rgba(53, 158, 255, 0.32);
}

.refresh-button:focus-visible {
    outline: 3px solid rgba(53, 158, 255, 0.22);
    outline-offset: 3px;
}

.return-button {
    color: var(--navy);
    border-color: #cbdbea;
    background: #ffffff;
    box-shadow: 0 8px 18px rgba(23, 67, 111, 0.10);
}

.return-button:hover,
.return-button:focus-visible {
    background: #f4f8fc;
    box-shadow: 0 10px 22px rgba(23, 67, 111, 0.14);
}

.measures-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
}

.measure-card {
    --accent: var(--blue);
    position: relative;
    min-width: 0;
    min-height: 220px;
    padding: 19px;
    display: flex;
    flex-direction: column;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: #fff;
    box-shadow: var(--shadow);
    transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.measure-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 16px 34px rgba(23, 67, 111, 0.14);
}

.measure-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 18px;
    right: 18px;
    height: 3px;
    border-radius: 0 0 999px 999px;
    background: var(--accent);
}

.pressure-card {
    --accent: #3e8ef7;
}

.temperature-card {
    --accent: #f49a42;
}

.oximetry-card {
    --accent: #29a8ad;
}

.pulse-card {
    --accent: #e75c6b;
}

.ecg-card {
    --accent: #32a96f;
    grid-column: 1 / -1;
    min-height: 255px;
}

.measure-head {
    display: flex;
    align-items: center;
    gap: 11px;
}

.measure-icon {
    width: 43px;
    height: 43px;
    flex: 0 0 43px;
    display: grid;
    place-items: center;
    border-radius: 12px;
    color: var(--accent);
    background: color-mix(in srgb, var(--accent) 12%, white);
    font-size: 24px;
    font-weight: 900;
}

.measure-head span {
    color: var(--muted);
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 0.07em;
    text-transform: uppercase;
}

.measure-head h2 {
    margin-top: 2px;
    font-size: 15px;
}

.pressure-values {
    flex: 1;
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 8px;
    text-align: center;
}

.pressure-values strong,
.pressure-values span {
    display: block;
}

.pressure-values strong {
    color: var(--navy);
    font-size: clamp(35px, 4vw, 47px);
    line-height: 1;
}

.pressure-values span {
    margin-top: 5px;
    color: var(--muted);
    font-size: 10px;
}

.pressure-values b {
    color: #acc1d4;
    font-size: 36px;
    font-weight: 300;
}

.main-value {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
}

.main-value strong {
    color: var(--navy);
    font-size: clamp(44px, 5vw, 61px);
    line-height: 1;
}

.main-value span {
    margin-top: 23px;
    color: var(--muted);
    font-size: 16px;
    font-weight: 800;
}

.measure-card > footer {
    padding-top: 12px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    border-top: 1px solid #edf2f7;
    color: var(--muted);
    font-size: 10px;
}

.measure-card footer em {
    padding: 4px 7px;
    border-radius: 999px;
    color: #177b52;
    background: #e7f7ef;
    font-style: normal;
    font-weight: 800;
}

.ecg-head {
    flex-wrap: wrap;
}

.signal-status {
    margin-left: auto;
    padding: 6px 9px;
    display: flex;
    align-items: center;
    gap: 6px;
    border-radius: 999px;
    color: #177b52;
    background: #e7f7ef;
    font-size: 10px;
    font-weight: 800;
}

.signal-status i {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--green);
    box-shadow: 0 0 0 4px rgba(38, 170, 114, 0.13);
}

.ecg-box {
    position: relative;
    height: 116px;
    margin-top: 15px;
    overflow: hidden;
    border: 1px solid #cfe8da;
    border-radius: 12px;
    background: #f7fffb;
}

.ecg-grid {
    position: absolute;
    inset: 0;
    pointer-events: none;
    background-image:
        linear-gradient(rgba(65, 167, 112, 0.12) 1px, transparent 1px),
        linear-gradient(90deg, rgba(65, 167, 112, 0.12) 1px, transparent 1px),
        linear-gradient(rgba(65, 167, 112, 0.2) 1px, transparent 1px),
        linear-gradient(90deg, rgba(65, 167, 112, 0.2) 1px, transparent 1px);
    background-size: 10px 10px, 10px 10px, 50px 50px, 50px 50px;
}

#ecgCanvas {
    position: relative;
    z-index: 2;
    width: 100%;
    height: 100%;
    display: block;
}

.measure-card > .ecg-footer {
    padding-top: 13px;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: center;
    gap: 12px;
}

.ecg-footer div span,
.ecg-footer div strong {
    display: block;
}

.ecg-footer div span {
    color: var(--muted);
    font-size: 9px;
    text-transform: uppercase;
}

.ecg-footer div strong {
    margin-top: 2px;
    font-size: 12px;
}


.appointment-action {
    grid-column: 1 / -1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.appointment-button {
    width: min(100%, 420px);
    min-height: 48px;
    padding: 12px 20px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 0;
    border-radius: 12px;
    color: #fff;
    background: linear-gradient(135deg, var(--blue), #0874cf);
    box-shadow: 0 10px 22px rgba(53, 158, 255, 0.28);
    font-size: 15px;
    font-weight: 850;
    text-decoration: none;
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.appointment-button:hover,
.appointment-button:focus-visible {
    transform: translateY(-1px);
    box-shadow: 0 13px 26px rgba(53, 158, 255, 0.34);
}

.appointment-button:focus-visible {
    outline: 3px solid rgba(53, 158, 255, 0.24);
    outline-offset: 3px;
}


@media (max-width: 980px) {
    .measures-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 720px) {
    .page {
        width: min(100% - 18px, 1320px);
        padding: 12px 0 24px;
    }

    .measures-grid {
        gap: 10px;
    }

    .measure-card {
        min-height: 190px;
        padding: 15px;
        border-radius: 15px;
    }

    .ecg-card {
        min-height: 235px;
    }

    .measure-icon {
        width: 38px;
        height: 38px;
        flex-basis: 38px;
    }

    .pressure-values strong {
        font-size: 35px;
    }

    .main-value strong {
        font-size: 45px;
    }

    .ecg-box {
        height: 99px;
    }
}

@media (max-width: 480px) {
    .page {
        width: min(100% - 12px, 1320px);
        padding: 8px 0 18px;
    }

    /* Mantém as quatro primeiras medidas em duas colunas no celular. */
    .measures-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 8px;
    }

    .measure-card:not(.ecg-card) {
        min-height: 148px;
        padding: 10px;
        border-radius: 12px;
    }

    .measure-card:not(.ecg-card)::before {
        left: 10px;
        right: 10px;
    }

    .measure-card:not(.ecg-card) .measure-head {
        gap: 6px;
        align-items: flex-start;
    }

    .measure-card:not(.ecg-card) .measure-icon {
        width: 30px;
        height: 30px;
        flex: 0 0 30px;
        border-radius: 9px;
        font-size: 17px;
    }

    .measure-card:not(.ecg-card) .measure-head span {
        font-size: 7px;
        letter-spacing: 0.04em;
    }

    .measure-card:not(.ecg-card) .measure-head h2 {
        margin-top: 1px;
        font-size: 11px;
        line-height: 1.15;
    }

    .pressure-values {
        gap: 3px;
    }

    .pressure-values strong {
        font-size: 25px;
    }

    .pressure-values span {
        margin-top: 3px;
        font-size: 7px;
    }

    .pressure-values b {
        font-size: 23px;
    }

    .main-value {
        gap: 4px;
    }

    .main-value strong {
        font-size: 33px;
    }

    .main-value span {
        margin-top: 13px;
        font-size: 11px;
    }

    .measure-card:not(.ecg-card) > footer {
        padding-top: 7px;
        gap: 4px;
        font-size: 7px;
    }

    .measure-card:not(.ecg-card) > footer > span {
        max-width: 42%;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .measure-card:not(.ecg-card) > footer em {
        max-width: 56%;
        padding: 3px 4px;
        font-size: 7px;
    }

    /* O eletrocardiograma continua ocupando toda a largura. */
    .ecg-card {
        grid-column: 1 / -1;
        min-height: 225px;
        padding: 12px;
    }

    .ecg-card .measure-icon {
        width: 34px;
        height: 34px;
        flex-basis: 34px;
        font-size: 20px;
    }

    .ecg-card .measure-head h2 {
        font-size: 13px;
    }

    .ecg-card .ecg-box {
        height: 99px;
        margin-top: 10px;
    }

    .ecg-card > .ecg-footer {
        padding-top: 9px;
        gap: 8px;
    }

    .appointment-button {
        width: 100%;
        min-height: 44px;
        font-size: 14px;
    }

    .signal-status {
        margin-left: 0;
    }
}

@media print {
    body {
        background: #fff;
    }

    .page {
        width: 100%;
        padding: 0;
    }

    .measure-card {
        box-shadow: none;
    }
}

/* Estados dos resultados vindos do banco */
.sem-valor,
.main-value.sem-valor strong {
    color: #9badbe;
}

.measure-card > footer em {
    max-width: 66%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.ecg-empty {
    position: absolute;
    z-index: 3;
    inset: 0;
    display: none;
    place-items: center;
    color: var(--muted);
    font-size: 13px;
    font-weight: 800;
}

.ecg-sem-dados .ecg-empty {
    display: grid;
}

.ecg-sem-dados .signal-status {
    color: #8b6270;
    background: #f8edf1;
}

.ecg-sem-dados .signal-status i {
    background: #c38a9c;
    box-shadow: 0 0 0 4px rgba(195, 138, 156, 0.13);
}

.ecg-footer strong {
    overflow-wrap: anywhere;
}


/* Compactação dos quatro primeiros cards: aproximadamente 70% menos espaço vertical. */
.measure-card:not(.ecg-card) {
    min-height: 158px;
    padding: 13px;
    gap: 3px;
}

.measure-card:not(.ecg-card) .measure-head {
    gap: 4px;
}

.measure-card:not(.ecg-card) .measure-head h2 {
    margin-top: 1px;
}

.measure-card:not(.ecg-card) .pressure-values,
.measure-card:not(.ecg-card) .main-value {
    flex: 0 0 auto;
    min-height: 61px;
    margin: 1px 0;
}

.measure-card:not(.ecg-card) .pressure-values {
    gap: 3px;
}

.measure-card:not(.ecg-card) .pressure-values span {
    margin-top: 2px;
}

.measure-card:not(.ecg-card) .main-value {
    gap: 2px;
}

.measure-card:not(.ecg-card) .main-value span {
    margin-top: 7px;
}

.measure-card:not(.ecg-card) > footer {
    margin-top: 0;
    padding-top: 4px;
    gap: 3px;
}

@media (max-width: 720px) {
    .refresh-action {
        margin-bottom: 8px;
    }

    .refresh-button {
        min-height: 42px;
        padding: 8px 14px;
        font-size: 14px;
    }

    .measure-card:not(.ecg-card) {
        min-height: 134px;
        padding: 10px;
        gap: 2px;
    }

    .measure-card:not(.ecg-card) .pressure-values,
    .measure-card:not(.ecg-card) .main-value {
        min-height: 53px;
        margin: 0;
    }

    .measure-card:not(.ecg-card) .main-value span {
        margin-top: 6px;
    }

    .measure-card:not(.ecg-card) > footer {
        padding-top: 3px;
    }
}

@media (max-width: 480px) {
    .refresh-button {
        width: 100%;
        min-height: 40px;
        border-radius: 10px;
        font-size: 13px;
    }

    .measure-card:not(.ecg-card) {
        min-height: 122px;
        padding: 8px;
        gap: 1px;
    }

    .measure-card:not(.ecg-card) .measure-head {
        gap: 3px;
    }

    .measure-card:not(.ecg-card) .pressure-values,
    .measure-card:not(.ecg-card) .main-value {
        min-height: 48px;
        margin: 0;
    }

    .measure-card:not(.ecg-card) .pressure-values span {
        margin-top: 1px;
    }

    .measure-card:not(.ecg-card) .main-value {
        gap: 1px;
    }

    .measure-card:not(.ecg-card) .main-value span {
        margin-top: 4px;
    }

    .measure-card:not(.ecg-card) > footer {
        padding-top: 2px;
        gap: 2px;
    }
}


.refresh-button:disabled {
    opacity: 0.72;
    cursor: wait;
    transform: none;
}