:root {
    --nsqc-navy: #071f58;
    --nsqc-navy-dark: #031846;
    --nsqc-teal: #008ba9;
    --nsqc-teal-bright: #00a5be;
    --nsqc-ink: #10234d;
    --nsqc-muted: #596b86;
    --nsqc-line: #d5e1eb;
    --nsqc-soft: #eff7fb;
    --nsqc-white: #ffffff;
    --nsqc-coral: #ff7a66;
}

body.nsqc-modal-open {
    overflow: hidden !important;
}

.nsqc-overlay,
.nsqc-overlay * {
    box-sizing: border-box;
}

.nsqc-overlay {
    position: fixed;
    inset: 0;
    z-index: 2147483000;
    display: grid;
    padding: 24px;
    place-items: center;
    background: rgba(3, 16, 42, 0.68);
    -webkit-backdrop-filter: blur(5px);
    backdrop-filter: blur(5px);
    opacity: 0;
    transition: opacity 180ms ease;
}

.nsqc-overlay.nsqc-is-open {
    opacity: 1;
}

.nsqc-dialog {
    width: min(100%, 530px);
    max-height: calc(100vh - 48px);
    overflow-y: auto;
    border: 1px solid var(--nsqc-line);
    border-radius: 20px;
    color: var(--nsqc-ink);
    background: var(--nsqc-white);
    box-shadow: 0 26px 80px rgba(1, 15, 43, 0.34);
    font-family: inherit;
    text-align: center;
    transform: translateY(10px) scale(0.985);
    transition: transform 180ms ease;
}

.nsqc-is-open .nsqc-dialog {
    transform: translateY(0) scale(1);
}

.nsqc-dialog__inner {
    padding: 32px 34px 30px;
}

.nsqc-dialog__icon {
    display: grid;
    width: 82px;
    height: 82px;
    margin: 0 auto 17px;
    place-items: center;
    border: 2px solid var(--nsqc-teal);
    border-radius: 50%;
    color: var(--nsqc-teal);
    background: #f8fcfe;
}

.nsqc-dialog__icon svg {
    display: block;
    width: 48px;
    height: 48px;
}

.nsqc-dialog__eyebrow {
    margin: 0 0 8px;
    color: var(--nsqc-teal);
    font-size: 14px;
    font-weight: 800;
    letter-spacing: 0.105em;
    line-height: 1.2;
    text-transform: uppercase;
}

.nsqc-dialog__title {
    margin: 0;
    color: var(--nsqc-navy);
    font-size: clamp(27px, 4.2vw, 35px);
    font-weight: 800;
    letter-spacing: -0.025em;
    line-height: 1.14;
}

.nsqc-dialog__body {
    max-width: 425px;
    margin: 16px auto 0;
    color: #263755;
    font-size: 17px;
    line-height: 1.52;
}

.nsqc-dialog__status {
    display: grid;
    grid-template-columns: 1fr 1fr;
    margin: 24px 0 0;
    border: 1px solid var(--nsqc-line);
    border-radius: 12px;
    background: #fbfdff;
    overflow: hidden;
}

.nsqc-dialog__stat {
    display: flex;
    min-height: 56px;
    align-items: center;
    justify-content: center;
    gap: 9px;
    padding: 12px 14px;
    color: var(--nsqc-ink);
    font-size: 15px;
    font-weight: 700;
}

.nsqc-dialog__stat + .nsqc-dialog__stat {
    border-left: 1px solid var(--nsqc-line);
}

.nsqc-dialog__stat-icon {
    display: grid;
    width: 27px;
    height: 27px;
    flex: 0 0 27px;
    place-items: center;
    border: 1.5px solid currentColor;
    border-radius: 50%;
    color: var(--nsqc-teal);
    font-size: 16px;
    font-weight: 800;
    line-height: 1;
}

.nsqc-dialog__stat--remaining .nsqc-dialog__stat-icon {
    color: #6a7890;
}

.nsqc-dialog__actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
    margin-top: 24px;
}

.nsqc-dialog__button {
    -webkit-appearance: none;
    appearance: none;
    min-height: 54px;
    margin: 0;
    padding: 12px 17px;
    border: 2px solid var(--nsqc-navy);
    border-radius: 11px;
    font-family: inherit;
    font-size: 16px;
    font-weight: 800;
    line-height: 1.2;
    cursor: pointer;
    transition: transform 130ms ease, box-shadow 130ms ease, background 130ms ease;
}

.nsqc-dialog__button:hover {
    transform: translateY(-1px);
}

.nsqc-dialog__button:focus-visible {
    outline: 3px solid rgba(0, 165, 190, 0.34);
    outline-offset: 3px;
}

.nsqc-dialog__button--cancel {
    border-color: var(--nsqc-navy) !important;
    color: var(--nsqc-navy) !important;
    background: var(--nsqc-soft) !important;
    -webkit-text-fill-color: var(--nsqc-navy) !important;
    opacity: 1 !important;
    text-shadow: none !important;
}

.nsqc-dialog__button--cancel:hover,
.nsqc-dialog__button--cancel:focus-visible {
    border-color: var(--nsqc-navy) !important;
    color: var(--nsqc-white) !important;
    background: var(--nsqc-navy) !important;
    -webkit-text-fill-color: var(--nsqc-white) !important;
}

.nsqc-dialog__button--confirm {
    border-color: var(--nsqc-navy) !important;
    color: var(--nsqc-white) !important;
    background: var(--nsqc-teal) !important;
    -webkit-text-fill-color: var(--nsqc-white) !important;
    opacity: 1 !important;
    text-shadow: none !important;
    box-shadow: 0 8px 20px rgba(7, 31, 88, 0.18);
}

.nsqc-dialog__button--confirm:hover,
.nsqc-dialog__button--confirm:focus-visible {
    border-color: var(--nsqc-navy-dark) !important;
    color: var(--nsqc-white) !important;
    background: var(--nsqc-navy-dark) !important;
    -webkit-text-fill-color: var(--nsqc-white) !important;
}

/* Full-length practice and benchmark exam treatment. */
.nsqc-dialog--exam {
    border-color: rgba(0, 165, 190, 0.58);
    color: var(--nsqc-white);
    background:
        radial-gradient(circle at 85% 7%, rgba(0, 165, 190, 0.17), transparent 34%),
        linear-gradient(145deg, var(--nsqc-navy-dark), var(--nsqc-navy));
}

.nsqc-dialog--exam .nsqc-dialog__icon {
    position: relative;
    border-color: var(--nsqc-teal-bright);
    color: var(--nsqc-white);
    background: rgba(255, 255, 255, 0.04);
}

.nsqc-dialog--exam .nsqc-dialog__icon::after {
    content: "!";
    position: absolute;
    right: -3px;
    bottom: 2px;
    display: grid;
    width: 27px;
    height: 27px;
    place-items: center;
    border: 3px solid var(--nsqc-navy);
    border-radius: 50%;
    color: var(--nsqc-navy-dark);
    background: var(--nsqc-coral);
    font-size: 16px;
    font-weight: 900;
}

.nsqc-dialog--exam .nsqc-dialog__eyebrow {
    color: var(--nsqc-teal-bright);
}

.nsqc-dialog--exam .nsqc-dialog__title,
.nsqc-dialog--exam .nsqc-dialog__body {
    color: var(--nsqc-white);
}

.nsqc-dialog__exam-status {
    display: flex;
    min-height: 58px;
    margin-top: 24px;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 12px 18px;
    border: 1px solid rgba(255, 122, 102, 0.78);
    border-radius: 12px;
    color: #ff9d8e;
    background: rgba(255, 122, 102, 0.08);
    font-size: 16px;
    font-weight: 800;
}

.nsqc-dialog__exam-status svg {
    width: 25px;
    height: 25px;
    flex: 0 0 25px;
}

.nsqc-dialog__exam-status--complete {
    border-color: rgba(0, 165, 190, 0.74);
    color: #72e3ee;
    background: rgba(0, 165, 190, 0.10);
}

.nsqc-dialog--exam .nsqc-dialog__button--cancel {
    border-color: var(--nsqc-white) !important;
    color: var(--nsqc-navy) !important;
    background: var(--nsqc-white) !important;
    -webkit-text-fill-color: var(--nsqc-navy) !important;
}

.nsqc-dialog--exam .nsqc-dialog__button--cancel:hover,
.nsqc-dialog--exam .nsqc-dialog__button--cancel:focus-visible {
    border-color: var(--nsqc-teal-bright) !important;
    color: var(--nsqc-navy-dark) !important;
    background: #dff7fb !important;
    -webkit-text-fill-color: var(--nsqc-navy-dark) !important;
}

.nsqc-dialog--exam .nsqc-dialog__button--confirm {
    border-color: var(--nsqc-teal-bright) !important;
    color: var(--nsqc-white) !important;
    background: var(--nsqc-teal-bright) !important;
    -webkit-text-fill-color: var(--nsqc-white) !important;
    box-shadow: 0 8px 24px rgba(0, 165, 190, 0.22);
}

.nsqc-dialog--exam .nsqc-dialog__button--confirm:hover,
.nsqc-dialog--exam .nsqc-dialog__button--confirm:focus-visible {
    border-color: #20c5d8 !important;
    color: var(--nsqc-navy-dark) !important;
    background: #20c5d8 !important;
    -webkit-text-fill-color: var(--nsqc-navy-dark) !important;
}

@media (max-width: 600px) {
    .nsqc-overlay {
        padding: 14px;
        align-items: end;
    }

    .nsqc-dialog {
        width: 100%;
        max-height: calc(100vh - 28px);
        border-radius: 20px 20px 14px 14px;
    }

    .nsqc-dialog__inner {
        padding: 25px 20px 20px;
    }

    .nsqc-dialog__icon {
        width: 68px;
        height: 68px;
        margin-bottom: 14px;
    }

    .nsqc-dialog__icon svg {
        width: 40px;
        height: 40px;
    }

    .nsqc-dialog__body {
        margin-top: 12px;
        font-size: 16px;
    }

    .nsqc-dialog__status {
        margin-top: 19px;
    }

    .nsqc-dialog__actions {
        grid-template-columns: 1fr;
        gap: 10px;
        margin-top: 19px;
    }

    .nsqc-dialog__button--confirm {
        grid-row: 1;
    }

    .nsqc-dialog__button--cancel {
        grid-row: 2;
    }
}

@media (prefers-reduced-motion: reduce) {
    .nsqc-overlay,
    .nsqc-dialog,
    .nsqc-dialog__button {
        transition: none !important;
    }
}