:root {
    --eq-ink: #061528;
    --eq-ink-soft: #14233a;
    --eq-muted: #607089;
    --eq-bg: #f7fbff;
    --eq-card: rgba(255, 255, 255, 0.90);
    --eq-line: rgba(26, 96, 171, 0.14);
    --eq-shadow: 0 24px 70px rgba(6, 21, 40, 0.12);
    --eq-shadow-soft: 0 14px 38px rgba(6, 21, 40, 0.08);

    --tool-accent: #f5b700;
    --tool-accent-2: #ffcf3f;
    --tool-accent-3: #fff1a6;
    --tool-accent-soft: rgba(245, 183, 0, 0.18);
    --tool-accent-line: rgba(245, 183, 0, 0.30);
    --tool-accent-glow: rgba(245, 183, 0, 0.24);
    --tool-dark: #9a7100;
}

/* ---------- Page Shell ---------- */

.feed {
    position: relative;
    min-height: 750px;
    padding: 58px 0 80px;
    overflow: hidden;
    background:
        radial-gradient(circle at 12% 0%, var(--tool-accent-soft), transparent 32rem),
        radial-gradient(circle at 88% 4%, rgba(255, 255, 255, 0.34), transparent 28rem),
        linear-gradient(180deg, var(--tool-accent) 0%, var(--tool-accent-2) 292px, var(--eq-bg) 293px, #ffffff 100%);
    margin: 0;
}

.feed::before {
    content: "";
    position: absolute;
    inset: 0 0 auto;
    height: 330px;
    pointer-events: none;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.14) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.14) 1px, transparent 1px);
    background-size: 34px 34px;
    mask-image: linear-gradient(180deg, black, transparent);
}

.feed > * {
    position: relative;
    z-index: 1;
}

.feed p,
.feed span,
.feed div,
.feed button,
.feed input {
    color: var(--eq-ink-soft);
}

.heading-text {
    max-width: 980px;
    margin: 0 auto 20px;
    padding: 8px 24px 24px;
    color: #ffffff !important;
    font-size: clamp(36px, 5vw, 62px);
    line-height: 0.98;
    letter-spacing: -0.058em;
    text-align: center;
    font-weight: 950;
    text-shadow: 0 18px 44px rgba(6, 21, 40, 0.24);
}

.centered-content {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    width: 100%;
    margin: 0;
    padding: 10px 20px 0 !important;
}

/* ---------- Themes ---------- */

.optiver {
    --tool-accent: #f5b700;
    --tool-accent-2: #ffcf3f;
    --tool-accent-3: #fff1a6;
    --tool-accent-soft: rgba(245, 183, 0, 0.18);
    --tool-accent-line: rgba(245, 183, 0, 0.30);
    --tool-accent-glow: rgba(245, 183, 0, 0.26);
    --tool-dark: #9a7100;
    background:
        radial-gradient(circle at 12% 0%, rgba(255, 225, 92, 0.40), transparent 32rem),
        radial-gradient(circle at 88% 4%, rgba(255, 255, 255, 0.34), transparent 28rem),
        linear-gradient(180deg, #f4b400 0%, #ffd76d 292px, #f7fbff 293px, #ffffff 100%);
}

.citadel {
    --tool-accent: #1071df;
    --tool-accent-2: #58c7ff;
    --tool-accent-3: #bfeeff;
    --tool-accent-soft: rgba(16, 113, 223, 0.18);
    --tool-accent-line: rgba(16, 113, 223, 0.30);
    --tool-accent-glow: rgba(16, 113, 223, 0.24);
    --tool-dark: #0c5ebc;
    background:
        radial-gradient(circle at 12% 0%, rgba(88, 199, 255, 0.36), transparent 32rem),
        radial-gradient(circle at 88% 4%, rgba(255, 255, 255, 0.30), transparent 28rem),
        linear-gradient(180deg, #1071df 0%, #7ab2f2 292px, #f7fbff 293px, #ffffff 100%);
}

.sig {
    --tool-accent: #fb4646;
    --tool-accent-2: #ff8c8c;
    --tool-accent-3: #ffd1d1;
    --tool-accent-soft: rgba(255, 62, 62, 0.18);
    --tool-accent-line: rgba(255, 62, 62, 0.30);
    --tool-accent-glow: rgba(255, 62, 62, 0.22);
    --tool-dark: #c92d2d;
    background:
        radial-gradient(circle at 12% 0%, rgba(255, 140, 140, 0.36), transparent 32rem),
        radial-gradient(circle at 88% 4%, rgba(255, 255, 255, 0.30), transparent 28rem),
        linear-gradient(180deg, #fb4646 0%, #fea4a4 292px, #f7fbff 293px, #ffffff 100%);
}

/* ---------- Main Question Card ---------- */

.boxed-container {
    position: relative;
    width: min(860px, calc(100% - 40px));
    min-height: 420px;
    padding: 0;
    overflow: hidden;
    border: 1px solid var(--tool-accent-line);
    border-radius: 30px;
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(255, 255, 255, 0.88)),
        radial-gradient(circle at 92% 8%, var(--tool-accent-soft), transparent 24rem);
    box-shadow:
        0 24px 70px rgba(6, 21, 40, 0.12),
        0 16px 44px var(--tool-accent-glow);
    backdrop-filter: blur(14px);
    text-align: center;
}

.boxed-container::before {
    content: "";
    position: absolute;
    inset: 0 0 auto;
    height: 6px;
    background: linear-gradient(90deg, var(--tool-accent), var(--tool-accent-2), var(--tool-accent-3));
}

.boxed-container::after {
    content: "";
    position: absolute;
    right: -60px;
    bottom: -88px;
    width: 230px;
    height: 230px;
    border-radius: 999px;
    background: var(--tool-accent-soft);
    pointer-events: none;
}

#questions-container {
    position: relative;
    z-index: 1;
    padding: 34px;
}

/* ---------- Timer ---------- */

.timer {
    position: relative;
    z-index: 2;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    margin: 28px auto 0;
    padding: 8px 16px;
    border: 1px solid var(--tool-accent-line);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.82);
    color: var(--eq-ink) !important;
    box-shadow: 0 12px 28px rgba(6, 21, 40, 0.06);
    font-size: 15px;
    line-height: 1.2;
    font-weight: 850;
    font-variant-numeric: tabular-nums;
}

.timer::before {
    content: "";
    width: 8px;
    height: 8px;
    margin-right: 9px;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--tool-accent), var(--tool-accent-2));
    box-shadow: 0 0 0 6px var(--tool-accent-soft);
}

/* ---------- Question ---------- */

.question-box {
    min-height: 250px;
    margin: 0;
    padding: 14px 0 0;
    animation: eqFadeUp 220ms ease both;
}

@keyframes eqFadeUp {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.second-text,
.question-number {
    height: auto;
    margin: 0 auto 26px;
    color: var(--tool-dark) !important;
    font-size: 15px;
    line-height: 1;
    font-weight: 900;
    letter-spacing: 0.055em;
    text-transform: uppercase;
}

.question-text {
    max-width: 720px;
    margin: 0 auto 30px;
    color: var(--eq-ink) !important;
    font-size: clamp(22px, 2.45vw, 34px);
    line-height: 1.28;
    letter-spacing: -0.035em;
    font-weight: 850;
}

.question-value-text {
    margin: 0;
    color: var(--eq-ink) !important;
    font-size: clamp(21px, 2vw, 28px);
    line-height: 1.25;
    font-weight: 850;
}

/* ---------- Options Layout ---------- */

.options {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
}

.answers {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
    width: min(680px, 100%);
    margin: 0 auto;
}

/* ---------- Buttons ---------- */

.submit-btn,
.guess-btn {
    appearance: none;
    position: relative;
    overflow: hidden;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 250px;
    min-height: 50px;
    margin-top: 28px;
    padding: 12px 22px;
    border: none;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--tool-accent), var(--tool-accent-2));
    box-shadow: 0 18px 38px var(--tool-accent-glow);
    color: #ffffff !important;
    font-size: 16px;
    line-height: 1.2;
    font-weight: 850;
    text-align: center;
    cursor: pointer;
    transition:
        transform 180ms ease,
        box-shadow 180ms ease,
        border-color 180ms ease,
        background 180ms ease,
        filter 180ms ease;
}

.submit-btn:hover,
.guess-btn:hover {
    transform: translateY(-2px);
    filter: brightness(1.04);
    box-shadow: 0 24px 52px var(--tool-accent-glow);
    font-weight: 850;
}

/* Multiple-choice buttons should feel like selectable answer cards */
.answers .submit-btn,
.btn-multiple-choice.submit-btn {
    width: 100%;
    min-height: 72px;
    margin: 0;
    padding: 16px 18px;
    border: 1px solid var(--tool-accent-line);
    border-radius: 20px;
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(255, 255, 255, 0.90)),
        radial-gradient(circle at 88% 10%, var(--tool-accent-soft), transparent 8rem);
    box-shadow:
        0 16px 38px rgba(6, 21, 40, 0.08),
        0 10px 28px var(--tool-accent-glow);
    color: var(--eq-ink) !important;
    font-size: 16px;
    font-weight: 800;
    text-align: center;
}

.answers .submit-btn::after,
.btn-multiple-choice.submit-btn::after {
    content: "";
    position: absolute;
    right: -36px;
    bottom: -44px;
    width: 90px;
    height: 90px;
    border-radius: 999px;
    background: var(--tool-accent-soft);
    pointer-events: none;
    transition: transform 180ms ease, opacity 180ms ease;
}

.answers .submit-btn:hover,
.btn-multiple-choice.submit-btn:hover {
    transform: translateY(-3px);
    border-color: var(--tool-accent);
    background:
        linear-gradient(180deg, #ffffff, rgba(255, 255, 255, 0.94)),
        radial-gradient(circle at 88% 10%, var(--tool-accent-soft), transparent 8rem);
    box-shadow:
        0 24px 54px rgba(6, 21, 40, 0.12),
        0 18px 38px var(--tool-accent-glow);
}

.answers .submit-btn:hover::after,
.btn-multiple-choice.submit-btn:hover::after {
    transform: scale(1.12);
    opacity: 0.9;
}

/* Text answer submit button */
.btn-text-answer.submit-btn {
    width: auto;
    min-width: 180px;
    margin-top: 0;
    min-height: 52px;
}

/* Skip button */
#skip-to-result {
    width: 230px;
    min-height: 48px;
    margin-top: 34px;
    background: linear-gradient(135deg, var(--tool-accent), var(--tool-accent-2));
    color: #ffffff !important;
    border: none;
    box-shadow: 0 18px 38px var(--tool-accent-glow);
}

#skip-to-result:hover {
    background: linear-gradient(135deg, var(--tool-accent), var(--tool-accent-2));
    filter: brightness(1.04);
    font-weight: 850;
}

/* ---------- Text Inputs ---------- */

.text-answer {
    width: min(230px, 100%);
    min-height: 52px;
    margin: 0 12px 0 0;
    padding: 12px 16px;
    border: 1px solid var(--tool-accent-line);
    border-radius: 16px;
    outline: none;
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(255, 255, 255, 0.90)),
        radial-gradient(circle at 85% 10%, var(--tool-accent-soft), transparent 7rem);
    box-shadow:
        0 14px 34px rgba(6, 21, 40, 0.07),
        0 8px 22px var(--tool-accent-glow);
    color: var(--eq-ink) !important;
    font-size: 17px;
    font-weight: 850;
    text-align: center;
    transition:
        transform 180ms ease,
        box-shadow 180ms ease,
        border-color 180ms ease;
}

.text-answer::placeholder {
    color: rgba(96, 112, 137, 0.72);
    font-weight: 750;
}

.text-answer:focus {
    transform: translateY(-1px);
    border-color: var(--tool-accent);
    box-shadow:
        0 20px 48px rgba(6, 21, 40, 0.11),
        0 14px 32px var(--tool-accent-glow);
}

/* ---------- BTO / Option Box Support ---------- */

.answer-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 14px;
    width: min(720px, 100%);
    margin: 34px auto 0;
}

.answer-buttons div,
.option-box {
    flex: 1 1 150px;
    min-height: 68px;
    padding: 14px;
    border: 1px solid var(--tool-accent-line);
    border-radius: 18px;
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(255, 255, 255, 0.90)),
        radial-gradient(circle at 88% 10%, var(--tool-accent-soft), transparent 8rem);
    box-shadow:
        0 14px 34px rgba(6, 21, 40, 0.08),
        0 8px 22px var(--tool-accent-glow);
    color: var(--eq-ink) !important;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 850;
    transition:
        transform 180ms ease,
        box-shadow 180ms ease,
        border-color 180ms ease,
        background 180ms ease;
}

.answer-buttons div:hover,
.option-box:hover {
    transform: translateY(-2px);
    border-color: var(--tool-accent);
    background: #ffffff;
    box-shadow:
        0 22px 48px rgba(6, 21, 40, 0.11),
        0 14px 32px var(--tool-accent-glow);
}

.option-box.selected {
    background: linear-gradient(135deg, var(--tool-accent), var(--tool-accent-2));
    color: #ffffff !important;
    border-color: transparent;
}

.answer-buttons .option-box.selected,
.answer-buttons .option-box.selected:hover,
.answer-buttons div.option-box.selected,
.answer-buttons div.option-box.selected:hover {
    background: linear-gradient(135deg, var(--tool-accent), var(--tool-accent-2));
    color: #ffffff !important;
    border-color: transparent;
}

/* ---------- Legacy Theme Compatibility ---------- */

.optiver .boxed-container,
.citadel .boxed-container,
.sig .boxed-container {
    border-color: var(--tool-accent-line);
    box-shadow:
        0 24px 70px rgba(6, 21, 40, 0.12),
        0 16px 44px var(--tool-accent-glow);
}

.citadel .submit-btn,
.sig .submit-btn {
    border: none;
    box-shadow: 0 18px 38px var(--tool-accent-glow);
}

.citadel .submit-btn:hover,
.sig .submit-btn:hover {
    font-weight: 850;
    background: linear-gradient(135deg, var(--tool-accent), var(--tool-accent-2));
}

.citadel #skip-to-result,
.sig #skip-to-result {
    background: linear-gradient(135deg, var(--tool-accent), var(--tool-accent-2));
    border: none;
    box-shadow: 0 18px 38px var(--tool-accent-glow);
    color: white !important;
}

.citadel #skip-to-result:hover,
.sig #skip-to-result:hover {
    background: linear-gradient(135deg, var(--tool-accent), var(--tool-accent-2));
    filter: brightness(1.04);
    font-weight: 850;
}

.sig .text-answer {
    border-color: var(--tool-accent-line);
    box-shadow:
        0 14px 34px rgba(6, 21, 40, 0.07),
        0 8px 22px var(--tool-accent-glow);
}

/* ---------- Responsive ---------- */

@media screen and (max-width: 900px) {
    .answers {
        grid-template-columns: 1fr;
    }

    .boxed-container {
        width: calc(100% - 32px);
    }

    .question-text {
        font-size: clamp(20px, 4vw, 28px);
    }
}

@media screen and (max-width: 768px) {
    .feed {
        min-height: 750px;
        padding: 38px 0 62px;
        background:
            radial-gradient(circle at 12% 0%, var(--tool-accent-soft), transparent 24rem),
            linear-gradient(180deg, var(--tool-accent) 0%, var(--tool-accent-2) 250px, #f7fbff 251px, #ffffff 100%);
    }

    .heading-text {
        width: calc(100% - 28px);
        margin: 0 auto 12px;
        padding: 4px 10px 22px;
        font-size: 31px;
        line-height: 1.08;
        letter-spacing: -0.045em;
    }

    .centered-content {
        padding-left: 0 !important;
        padding-right: 0 !important;
    }

    .boxed-container {
        width: calc(100% - 28px);
        min-height: 400px;
        border-radius: 24px;
    }

    .timer {
        margin-top: 24px;
        font-size: 14px;
    }

    #questions-container {
        padding: 26px 18px 28px;
    }

    .question-box {
        min-height: 230px;
        padding-top: 10px;
    }

    .second-text,
    .question-number {
        margin-bottom: 20px;
        font-size: 13px;
    }

    .question-text {
        margin-bottom: 24px;
        font-size: 19px;
        line-height: 1.38;
        letter-spacing: -0.02em;
    }

    .options {
        flex-direction: column;
        gap: 12px;
    }

    .text-answer {
        width: min(260px, 100%);
        margin: 0;
        min-height: 50px;
        font-size: 16px;
    }

    .btn-text-answer.submit-btn {
        width: min(260px, 100%);
        min-width: 0;
    }

    .submit-btn,
    .guess-btn,
    #skip-to-result {
        width: min(260px, 100%);
        min-width: 0;
        font-size: 15px;
    }

    .answers {
        gap: 10px;
    }

    .answers .submit-btn,
    .btn-multiple-choice.submit-btn {
        min-height: 66px;
        padding: 12px 14px;
        border-radius: 17px;
        font-size: 14px;
    }

    .answer-buttons {
        gap: 10px;
        margin-top: 28px;
    }

    .answer-buttons div,
    .option-box {
        flex: 1 1 100%;
        min-height: 58px;
    }
}

@media screen and (max-width: 430px) {
    .question-text {
        font-size: 17px;
    }

    .boxed-container {
        width: calc(100% - 20px);
    }

    #questions-container {
        padding-left: 14px;
        padding-right: 14px;
    }

    .answers .submit-btn,
    .btn-multiple-choice.submit-btn {
        min-height: 62px;
        font-size: 13px;
    }
}

/* ---------- Question Size Tuning ---------- */

.question-text {
    max-width: 720px;
    font-size: clamp(18px, 1.65vw, 25px) !important;
    line-height: 1.42;
    letter-spacing: -0.018em;
    font-weight: 760;
}

@media screen and (max-width: 768px) {
    .question-text {
        font-size: 17px !important;
        line-height: 1.45;
    }
}

@media screen and (max-width: 430px) {
    .question-text {
        font-size: 16px !important;
        line-height: 1.45;
    }
}