:root {
    --delta-serif: "Source Serif 4", Georgia, "Times New Roman", serif;
    --delta-sans: Inter, "Segoe UI", Arial, sans-serif;
    --delta-red: #8f1d2c;
    --delta-red-dark: #66121e;
    --delta-red-soft: #b94a58;
    --delta-gold: #b78a3b;
    --delta-gold-light: #d6b773;
    --delta-ink: #141414;
    --delta-gray-900: #202124;
    --delta-gray-700: #5f6368;
    --delta-gray-300: #d9dce0;
    --delta-gray-200: #e9eaed;
    --delta-gray-100: #f5f5f6;
    --delta-paper: #fff;
}

html {
    min-height: 100%;
    background: #f4f2f1;
}

body {
    min-height: 100vh;
    color: var(--delta-ink);
    background:
        linear-gradient(90deg, var(--delta-red) 0 72%, var(--delta-gold) 72% 100%) top / 100% 3px no-repeat,
        #f4f2f1;
    font-family: var(--delta-sans);
    -webkit-font-smoothing: antialiased;
}

button,
input,
select,
textarea {
    font: inherit;
}

button {
    color: inherit;
}

.delta-page {
    width: min(1120px, calc(100% - 48px));
    min-height: 100vh;
    margin-inline: auto;
    padding: 26px 0 48px;
}

.delta-page--home {
    display: flex;
    flex-direction: column;
}

.delta-site-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    min-height: 58px;
    padding: 0 0 17px;
    border-bottom: 1px solid #d8cecb;
}

.delta-wordmark {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    color: var(--delta-red-dark);
    text-decoration: none;
}

.delta-wordmark__symbol {
    display: grid;
    width: 40px;
    height: 40px;
    place-items: center;
    border: 1px solid var(--delta-gold);
    border-radius: 50%;
    color: var(--delta-red);
    font-family: var(--delta-serif);
    font-size: 29px;
    line-height: 1;
}

.delta-wordmark__name {
    display: block;
    font-family: var(--delta-serif);
    font-size: 17px;
    font-weight: 700;
    letter-spacing: .045em;
}

.delta-wordmark__descriptor {
    display: block;
    margin-top: 3px;
    color: #6f6260;
    font-size: 9px;
    font-weight: 600;
    letter-spacing: .17em;
    text-transform: uppercase;
}

.delta-site-nav {
    display: flex;
    align-items: center;
    gap: 6px;
}

.delta-site-nav a {
    padding: 9px 13px;
    border: 1px solid transparent;
    border-radius: 5px;
    color: #4f4645;
    font-size: 13px;
    font-weight: 650;
    text-decoration: none;
    transition: color .15s ease, background .15s ease, border-color .15s ease;
}

.delta-site-nav a:hover,
.delta-site-nav a:focus-visible {
    border-color: #d8c7c4;
    color: var(--delta-red-dark);
    background: #fff;
    outline: none;
}

.delta-site-nav a[aria-current="page"] {
    color: var(--delta-red-dark);
    background: #fff;
    border-color: #ddcfcc;
}

.delta-home-main {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(300px, .8fr);
    gap: clamp(28px, 6vw, 84px);
    align-items: center;
    flex: 1;
    padding: clamp(48px, 10vh, 104px) 0;
}

.delta-home-copy {
    position: relative;
    z-index: 1;
    max-width: 620px;
}

.delta-kicker {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 0 0 16px;
    color: var(--delta-red);
    font-size: 11px;
    font-weight: 750;
    letter-spacing: .15em;
    text-transform: uppercase;
}

.delta-kicker::before {
    width: 27px;
    height: 2px;
    content: "";
    background: var(--delta-gold);
}

.delta-home-title {
    margin: 0;
    color: var(--delta-ink);
    font-family: var(--delta-serif);
    font-size: clamp(32px, 4.2vw, 48px);
    font-weight: 600;
    letter-spacing: -.035em;
    line-height: 1.08;
}

.delta-home-description {
    max-width: 500px;
    margin: 18px 0 0;
    color: #625b59;
    font-size: 16px;
    line-height: 1.7;
}

.delta-home-title em {
    color: var(--delta-gold);
    font-weight: 500;
}

.delta-home-rule {
    display: flex;
    align-items: center;
    gap: 9px;
    width: min(280px, 70%);
    margin-top: 32px;
}

.delta-home-rule span:first-child {
    width: 52px;
    height: 2px;
    background: var(--delta-red);
}

.delta-home-rule span:last-child {
    flex: 1;
    height: 1px;
    background: #cfbfbc;
}

.delta-access-list {
    position: relative;
    z-index: 1;
    display: grid;
    gap: 12px;
}

.delta-math-field {
    position: absolute;
    z-index: 0;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
    font-family: var(--delta-serif);
}

.delta-math-mark {
    position: absolute;
    display: block;
    color: var(--delta-gold);
    font-weight: 500;
    line-height: .8;
    opacity: .12;
    animation: delta-math-drift 24s ease-in-out infinite alternate;
    will-change: transform;
}

.delta-math-mark--delta {
    top: 10%;
    left: 37%;
    font-size: clamp(56px, 8vw, 98px);
    animation-duration: 27s;
}

.delta-math-mark--integral {
    bottom: 7%;
    left: 2%;
    color: var(--delta-red);
    font-size: clamp(72px, 11vw, 132px);
    opacity: .075;
    animation-duration: 32s;
}

.delta-math-mark--pi {
    top: 20%;
    right: 4%;
    font-size: clamp(58px, 7vw, 90px);
    animation-duration: 29s;
}

.delta-math-mark--rho {
    right: 29%;
    bottom: 6%;
    color: var(--delta-red);
    font-size: clamp(52px, 7vw, 82px);
    opacity: .07;
    animation-duration: 35s;
}

.delta-equation-mark {
    position: absolute;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    color: var(--delta-red-dark);
    font-family: var(--delta-sans);
    font-size: clamp(11px, 1.25vw, 15px);
    font-weight: 550;
    letter-spacing: .01em;
    line-height: 1.2;
    opacity: .105;
    animation: delta-math-drift 31s ease-in-out infinite alternate;
    white-space: nowrap;
}

.delta-equation-fraction {
    display: inline-grid;
    grid-template-rows: auto auto;
    text-align: center;
    vertical-align: middle;
    font-size: .88em;
    line-height: 1.05;
}

.delta-equation-fraction > span:first-child {
    padding: 0 3px 2px;
    border-bottom: 1px solid currentColor;
}

.delta-equation-fraction > span:last-child {
    padding-top: 2px;
}

.delta-equation-mark--quadratic {
    top: 2%;
    right: 29%;
    animation-duration: 38s;
}

.delta-equation-mark--motion {
    right: 0;
    bottom: 2%;
    animation-duration: 42s;
}

.delta-equation-mark--velocity {
    top: 68%;
    left: 34%;
    animation-duration: 35s;
}

.delta-equation-mark--energy {
    top: 8%;
    left: 4%;
    animation-duration: 39s;
}

.delta-equation-mark--force {
    top: 43%;
    right: 2%;
    animation-duration: 37s;
}

.delta-equation-mark--pythagorean {
    bottom: 10%;
    left: 29%;
    animation-duration: 41s;
}

@keyframes delta-math-drift {
    from { transform: translate3d(-4px, 5px, 0) rotate(-7deg); }
    to { transform: translate3d(8px, -12px, 0) rotate(5deg); }
}

.delta-access-card {
    position: relative;
    display: grid;
    grid-template-columns: 38px minmax(0, 1fr) 18px;
    align-items: center;
    gap: 14px;
    min-height: 82px;
    padding: 16px 18px;
    border: 1px solid #e0d8d6;
    border-radius: 7px;
    color: var(--delta-ink);
    background: #fff;
    text-align: left;
    text-decoration: none;
    box-shadow: 0 5px 16px rgba(40, 20, 20, .035);
    transition: border-color .15s ease, transform .15s ease, box-shadow .15s ease;
}

.delta-access-card:hover,
.delta-access-card:focus-visible {
    transform: translateY(-1px);
    border-color: #c7a9a5;
    box-shadow: 0 9px 22px rgba(40, 20, 20, .075);
    outline: none;
}

.delta-access-card__icon {
    display: grid;
    width: 38px;
    height: 38px;
    place-items: center;
    border: 1px solid #e7d9d7;
    border-radius: 50%;
    color: var(--delta-red);
    font-family: var(--delta-serif);
    font-size: 17px;
}

.delta-access-card__title {
    display: block;
    color: var(--delta-red-dark);
    font-family: var(--delta-serif);
    font-size: 18px;
    font-weight: 700;
}

.delta-access-card__detail {
    display: block;
    margin-top: 4px;
    color: #706866;
    font-size: 12px;
    line-height: 1.45;
}

.delta-access-card__arrow {
    color: var(--delta-gold);
    font-size: 20px;
}

.delta-page-footer {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    padding-top: 14px;
    border-top: 1px solid #ded6d4;
    color: #7e7471;
    font-size: 10px;
    letter-spacing: .06em;
    text-transform: uppercase;
}

.delta-content-wrap {
    width: min(820px, 100%);
    margin: clamp(36px, 7vh, 72px) auto 0;
}

.delta-page-heading {
    margin: 0;
    color: var(--delta-ink);
    font-family: var(--delta-serif);
    font-size: clamp(28px, 4vw, 38px);
    font-weight: 600;
    letter-spacing: -.02em;
}

.delta-page-lede {
    margin: 9px 0 0;
    color: #655c5a;
    line-height: 1.6;
}

.delta-panel {
    border: 1px solid #e0d8d6;
    border-top: 2px solid var(--delta-red);
    border-radius: 7px !important;
    background: #fff;
    box-shadow: 0 6px 20px rgba(40, 20, 20, .045) !important;
}

.delta-panel-label {
    color: var(--delta-red);
    font-size: 10px;
    font-weight: 750;
    letter-spacing: .14em;
    text-transform: uppercase;
}

.delta-primary-button,
.delta-page button[type="submit"] {
    border: 1px solid var(--delta-red-dark) !important;
    border-radius: 5px !important;
    color: #fff !important;
    background: var(--delta-red) !important;
    font-weight: 700;
}

.delta-primary-button:hover,
.delta-page button[type="submit"]:hover {
    background: var(--delta-red-dark) !important;
}

.delta-secondary-button,
.delta-page button[data-back-home] {
    border: 1px solid #d8cecb !important;
    border-radius: 5px !important;
    color: #453c3a !important;
    background: #fff !important;
}

.delta-page input,
.delta-page select {
    border: 1px solid #d7cecc !important;
    border-radius: 5px !important;
    background: #fff;
}

.delta-page input:focus,
.delta-page select:focus {
    border-color: var(--delta-red) !important;
    outline: 3px solid rgba(143, 29, 44, .11);
}

.delta-page--login {
    display: grid;
    place-items: center;
    min-height: calc(100vh - 82px) !important;
}

.delta-page--login > section {
    width: min(690px, 100%) !important;
}

.delta-page--login > section > header,
.delta-page--login > section > section {
    border: 1px solid #e0d8d6;
    border-top: 2px solid var(--delta-red);
    border-radius: 7px !important;
    box-shadow: 0 6px 20px rgba(40, 20, 20, .045) !important;
}

.delta-page--login .delta-login-empty {
    border: 1px solid #e0d8d6;
    border-top: 2px solid var(--delta-red);
    border-radius: 7px;
    background: #fff;
    box-shadow: 0 6px 20px rgba(40, 20, 20, .045);
}

.delta-page--login > section > header {
    padding: 24px 28px !important;
}

.delta-page--login > section > header > div:first-child {
    color: var(--delta-red);
    font-size: 10px !important;
    font-weight: 750;
    letter-spacing: .15em !important;
    text-transform: uppercase;
}

.delta-page--login h1 {
    color: var(--delta-ink);
    font-family: var(--delta-serif);
    font-size: clamp(24px, 3vw, 30px);
    font-weight: 600;
    letter-spacing: -.02em;
}

.delta-page--login [data-login-form] {
    gap: 10px !important;
}

.delta-page--login [data-login-form] input {
    min-height: 48px;
}

.delta-page--login [data-login-form] button {
    min-height: 46px;
}

.delta-page--selection > section,
.delta-page--pre-attempt > section {
    width: min(820px, 100%) !important;
    margin-inline: auto;
}

.delta-page--selection > section > header,
.delta-page--selection > section > section > button,
.delta-page--selection > section > section > div,
.delta-page--pre-attempt section > header,
.delta-page--pre-attempt section > section {
    border: 1px solid #e0d8d6 !important;
    border-top: 2px solid var(--delta-red) !important;
    border-radius: 7px !important;
    box-shadow: 0 6px 20px rgba(40, 20, 20, .045) !important;
}

.delta-page--selection > section > header {
    padding: 25px 28px !important;
}

.delta-page--selection > section > header .delta-kicker {
    margin-bottom: 10px;
}

.delta-page--selection > section > header .delta-page-heading {
    font-size: clamp(26px, 3.5vw, 34px);
}

.delta-page--selection > section > section > button {
    min-height: 0;
    padding: 19px 22px !important;
    color: var(--delta-ink) !important;
    text-align: left;
    transition: border-color .15s ease, transform .15s ease, box-shadow .15s ease;
}

.delta-page--selection > section > section > button:hover,
.delta-page--selection > section > section > button:focus-visible {
    transform: translateY(-1px);
    border-color: #c7a9a5 !important;
    box-shadow: 0 9px 22px rgba(40, 20, 20, .075) !important;
    outline: none;
}

.delta-page--selection > section > section > button > div:first-child {
    color: var(--delta-red);
    font-size: 10px !important;
    letter-spacing: .13em !important;
}

.delta-page--selection > section > section > button > div:nth-child(2) {
    color: var(--delta-red-dark);
    font-family: var(--delta-serif);
    font-size: 19px !important;
}

.delta-page--selection [data-back-home] {
    padding: 8px 0 !important;
    color: #655c5a !important;
    font-size: 12px;
}

.delta-page--pre-attempt {
    min-height: calc(100vh - 75px);
}

.delta-pre-attempt-layout {
    width: min(920px, 100%);
    margin-inline: auto;
    display: grid;
    gap: 15px;
}

.delta-online-cover {
    overflow: hidden;
    border: 1px solid #ded6d3;
    border-top: 0;
    background: #fff;
    box-shadow: 0 8px 24px rgba(40, 20, 20, .055);
}

.delta-online-cover::before {
    display: block;
    height: 5px;
    content: "";
    background: linear-gradient(90deg, var(--delta-red) 0 78%, var(--delta-gold) 78% 100%);
}

.delta-online-cover__masthead {
    min-height: 92px;
    padding: 17px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    border-bottom: 1px solid #d9dce0;
}

.delta-cover-wordmark {
    display: flex;
    align-items: center;
    gap: 11px;
    color: var(--delta-red-dark);
}

.delta-cover-wordmark > span:first-child {
    width: 44px;
    height: 44px;
    display: grid;
    place-items: center;
    border: 1px solid var(--delta-gold);
    border-radius: 50%;
    color: var(--delta-red);
    font-family: var(--delta-serif);
    font-size: 29px;
    line-height: 1;
}

.delta-cover-wordmark strong,
.delta-cover-wordmark small {
    display: block;
}

.delta-cover-wordmark strong {
    font-family: var(--delta-serif);
    font-size: 17px;
    letter-spacing: .06em;
}

.delta-cover-wordmark small {
    margin-top: 3px;
    color: #6f6260;
    font-size: 9px;
    font-weight: 700;
    letter-spacing: .16em;
}

.delta-online-cover__day,
.delta-exam-day-mark {
    min-width: 122px;
    min-height: 58px;
    padding: 8px 14px;
    display: grid;
    align-content: center;
    justify-items: center;
    border: 1px solid var(--delta-gold);
    color: #fff;
    background: var(--delta-gray-900);
    text-align: center;
}

.delta-online-cover__day span,
.delta-exam-day-mark span {
    color: var(--delta-gold-light);
    font-size: 8px;
    font-weight: 700;
    letter-spacing: .16em;
}

.delta-online-cover__day strong,
.delta-exam-day-mark strong {
    margin-top: 2px;
    font-size: 13px;
    letter-spacing: .045em;
    text-transform: uppercase;
}

.delta-online-cover__main {
    position: relative;
    padding: 28px 30px 24px;
    background:
        radial-gradient(circle at 91% 32%, rgba(183, 138, 59, .055), transparent 24%),
        #fff;
}

.delta-online-cover__technical {
    margin: 0 0 11px;
    color: var(--delta-red);
    font-size: 10px;
    font-weight: 800;
    letter-spacing: .16em;
}

.delta-online-cover__main h1 {
    margin: 0;
    color: var(--delta-red-dark);
    font-family: var(--delta-sans);
    font-size: clamp(30px, 5vw, 48px);
    font-weight: 800;
    letter-spacing: -.045em;
    line-height: 1;
}

.delta-online-cover__main h1 span {
    color: #77716f;
    font-weight: 500;
}

.delta-online-cover__title {
    margin: 13px 0 0;
    color: var(--delta-ink);
    font-family: var(--delta-serif);
    font-size: 22px;
    font-weight: 700;
}

.delta-online-cover__areas {
    display: grid;
    gap: 5px;
    margin: 18px 0 0;
    padding: 0;
    list-style: none;
    color: #373231;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: .045em;
    text-transform: uppercase;
}

.delta-online-cover__areas li::before {
    content: "—";
    margin-right: 8px;
    color: var(--delta-gold);
}

.delta-online-cover__data {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    margin: 0 24px;
    border-top: 1px solid #5f6368;
    border-bottom: 1px solid #5f6368;
}

.delta-online-cover__data > div {
    min-height: 66px;
    padding: 12px 9px;
    display: grid;
    align-content: center;
    justify-items: center;
    gap: 5px;
    text-align: center;
}

.delta-online-cover__data > div + div {
    border-left: 1px solid #d9dce0;
}

.delta-online-cover__data span,
.delta-application-window span {
    color: #706866;
    font-size: 8px;
    font-weight: 750;
    letter-spacing: .13em;
    text-transform: uppercase;
}

.delta-online-cover__data strong {
    color: var(--delta-ink);
    font-size: 13px;
    font-weight: 750;
}

.delta-online-cover__footer {
    min-height: 38px;
    margin-top: 15px;
    padding: 0 24px 13px;
    display: flex;
    justify-content: space-between;
    gap: 10px;
    color: #716b67;
    font-size: 8px;
    font-weight: 700;
    letter-spacing: .09em;
}

.delta-preparation-panel {
    padding: 20px 22px;
    border: 1px solid #e0d8d6;
    border-top: 2px solid var(--delta-red);
    border-radius: 6px;
    color: var(--delta-ink);
    background: #fff;
    box-shadow: 0 5px 17px rgba(40, 20, 20, .035);
}

.delta-panel-heading {
    margin: 0;
    color: var(--delta-red);
    font-family: var(--delta-sans);
    font-size: 10px;
    font-weight: 800;
    letter-spacing: .14em;
}

.delta-preparation-panel > div[style*="margin-top: 12px"] {
    margin-top: 11px !important;
}

.delta-application-window {
    display: flex;
    flex-wrap: wrap;
    gap: 22px 34px;
    margin-top: 12px;
}

.delta-application-window > div {
    display: grid;
    gap: 4px;
}

.delta-application-window strong {
    font-size: 13px;
}

.delta-pre-attempt-layout .delta-preparation-panel label[data-language-card] {
    border-radius: 5px !important;
    background: #fff;
}

.delta-pre-attempt-layout .delta-preparation-panel > div[style*="rgba("] {
    border-left: 3px solid var(--delta-gold);
    border-radius: 0 !important;
    background: #f8f5ef !important;
}

.delta-start-confirmation {
    border-top-color: var(--delta-gold);
}

.delta-start-confirmation [data-start-attempt] {
    min-height: 44px;
    border: 1px solid var(--delta-red-dark) !important;
    border-radius: 4px !important;
    color: #fff !important;
    background: var(--delta-red) !important;
}

.delta-start-confirmation [data-start-attempt]:disabled {
    opacity: .45;
    cursor: not-allowed !important;
}

.delta-start-confirmation [data-change-participant] {
    min-height: 44px;
    border: 1px solid #d8cecb !important;
    border-radius: 4px !important;
    background: #fff !important;
}

.delta-page--pre-attempt > section > header,
.delta-page--completion > section {
    padding: 26px 30px !important;
}

.delta-page--pre-attempt h1,
.delta-page--completion h1 {
    color: var(--delta-ink);
    font-family: var(--delta-serif);
    font-weight: 600;
    letter-spacing: -.02em;
}

.delta-page--pre-attempt > section > header > div:first-child,
.delta-page--completion > section > div:first-child {
    color: var(--delta-red);
    font-size: 10px !important;
    font-weight: 750;
    letter-spacing: .15em !important;
}

.delta-top-navigation {
    width: min(1120px, calc(100% - 48px));
    margin: 0 auto;
    padding: 22px 0 16px !important;
    border-bottom: 1px solid #d8cecb;
    background: transparent !important;
}

.delta-top-navigation .delta-wordmark {
    flex: 0 0 auto;
}

.delta-top-navigation .delta-site-nav {
    margin-left: auto;
}

.delta-top-navigation button[data-admin-logout] {
    min-height: 36px;
    padding: 7px 11px;
    border: 1px solid #d8cecb;
    border-radius: 5px;
    background: #fff;
}

.delta-exam-shell {
    width: min(1280px, 100%) !important;
    padding: 24px 0 48px !important;
    background: transparent !important;
}

.delta-exam-shell > section {
    width: 100% !important;
}

.delta-exam-shell > section > header {
    padding: 18px 22px !important;
}

.delta-exam-shell > section > header > div:first-child > div:first-child {
    color: var(--delta-red);
    font-size: 10px !important;
    font-weight: 750;
    letter-spacing: .14em !important;
}

.delta-exam-shell [data-exam-title] {
    color: var(--delta-ink);
    font-family: var(--delta-serif);
}

.delta-exam-shell [data-exam-details] {
    color: #655c5a;
}

.delta-exam-shell > section > header,
.delta-exam-shell > section > div > section,
.delta-exam-shell > section > div > aside {
    border: 1px solid #e0d8d6;
    border-top: 2px solid var(--delta-red);
    border-radius: 7px !important;
    box-shadow: 0 6px 20px rgba(40, 20, 20, .045) !important;
}

.delta-exam-masthead {
    border-top: 0 !important;
    position: relative;
}

.delta-exam-masthead::before {
    position: absolute;
    inset: 0 0 auto;
    height: 4px;
    content: "";
    background: linear-gradient(90deg, var(--delta-red) 0 78%, var(--delta-gold) 78% 100%);
}

.delta-exam-masthead__identity {
    min-width: min(100%, 420px);
}

.delta-exam-masthead__brand {
    display: flex;
    align-items: center;
    gap: 9px;
    color: var(--delta-red-dark);
}

.delta-exam-masthead__symbol {
    width: 35px;
    height: 35px;
    display: grid;
    place-items: center;
    border: 1px solid var(--delta-gold);
    border-radius: 50%;
    color: var(--delta-red);
    font-family: var(--delta-serif);
    font-size: 23px;
}

.delta-exam-masthead__brand strong,
.delta-exam-masthead__brand small {
    display: block;
}

.delta-exam-masthead__brand strong {
    font-family: var(--delta-serif);
    font-size: 13px;
    letter-spacing: .07em;
}

.delta-exam-masthead__brand small {
    color: #716b67;
    font-size: 8px;
    font-weight: 750;
    letter-spacing: .13em;
}

.delta-exam-masthead__title {
    margin: 9px 0 0;
    color: var(--delta-ink);
    font-family: var(--delta-serif);
    font-size: 20px;
    font-weight: 700;
}

.delta-exam-masthead__details {
    margin-top: 4px;
    color: #655c5a;
    font-size: 11px;
}

.delta-exam-masthead__controls {
    gap: 11px !important;
}

.delta-exam-day-mark {
    min-width: 88px;
    min-height: 50px;
}

.delta-exam-masthead [data-timer] {
    color: var(--delta-red-dark);
    font-family: var(--delta-sans);
}

.delta-exam-shell [data-submit-attempt],
.delta-exam-shell [data-next-question] {
    border: 1px solid var(--delta-red-dark) !important;
    border-radius: 5px !important;
    color: #fff !important;
    background: var(--delta-red) !important;
}

.delta-exam-shell [data-question-position] {
    color: #4f4645;
    font-size: 12px !important;
    font-weight: 750 !important;
}

.delta-exam-shell [data-question-area] {
    padding: 7px 11px;
    border: 1px solid #e5d9d5;
    border-left: 3px solid var(--delta-gold);
    color: var(--delta-red) !important;
    font-size: 11px !important;
    font-weight: 750;
    letter-spacing: .09em;
    line-height: 1.35;
    text-transform: uppercase;
    background: #faf8f6;
    opacity: 1 !important;
}

.delta-exam-shell [data-previous-question] {
    border: 1px solid #d8cecb !important;
    border-radius: 5px !important;
    background: #fff !important;
}

.delta-teacher-note {
    margin-top: 24px;
    padding: 18px 20px;
    border-left: 3px solid var(--delta-gold);
    color: #625957;
    background: #fff;
    font-size: 13px;
    line-height: 1.6;
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .01ms !important;
    }
}

.delta-page--teacher .delta-secondary-button {
    color: var(--delta-red-dark) !important;
}

@media (max-width: 760px) {
    .delta-page {
        width: min(100% - 32px, 1120px);
        padding-top: 18px;
    }

    .delta-site-header {
        align-items: flex-start;
        flex-direction: column;
        gap: 13px;
    }

    .delta-top-navigation {
        width: calc(100% - 32px);
        align-items: flex-start !important;
        flex-wrap: wrap;
        gap: 14px !important;
        padding-top: 16px !important;
    }

    .delta-top-navigation .delta-site-nav {
        width: 100%;
        margin-left: 0;
    }

    .delta-top-navigation > div:last-child {
        width: 100%;
        flex: 1 1 100%;
        flex-direction: column;
        align-items: stretch !important;
    }

    .delta-site-nav {
        width: 100%;
    }

    .delta-site-nav a {
        flex: 1;
        text-align: center;
    }

    .delta-home-main {
        grid-template-columns: 1fr;
        gap: 34px;
        padding: 48px 0;
    }

    .delta-math-mark--delta { left: 68%; top: 2%; }
    .delta-math-mark--integral { left: auto; right: 0; bottom: 0; }
    .delta-math-mark--pi { right: 2%; top: 32%; }
    .delta-math-mark--rho { right: 30%; bottom: 2%; }
    .delta-equation-mark--quadratic { right: 0; top: 3%; }
    .delta-equation-mark--motion { right: 0; bottom: 0; }
    .delta-equation-mark--velocity { left: 3%; top: 76%; }
    .delta-equation-mark--energy { left: 3%; top: 2%; }
    .delta-equation-mark--force { right: 1%; top: 47%; }
    .delta-equation-mark--pythagorean { left: 5%; bottom: 8%; }

    .delta-page-footer {
        flex-direction: column;
    }

    .delta-page--exam {
        width: calc(100% - 24px) !important;
        padding-top: 14px !important;
    }

    .delta-online-cover__data {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        margin-inline: 14px;
    }

    .delta-online-cover__data > div:nth-child(3) {
        border-left: 0;
        border-top: 1px solid #d9dce0;
    }

    .delta-online-cover__data > div:nth-child(4) {
        border-top: 1px solid #d9dce0;
    }

    .delta-online-cover__main {
        padding: 24px 20px 20px;
    }

    .delta-online-cover__masthead {
        padding-inline: 16px;
    }

    .delta-online-cover__footer {
        padding-inline: 14px;
        flex-direction: column;
    }

    .delta-preparation-panel {
        padding: 17px 16px;
    }

    .delta-exam-shell > section > div {
        grid-template-columns: 1fr !important;
    }
}