.reader-mode {
    --reader-font-size: 18px;
    --reader-font-family: "Merriweather", Georgia, serif;
    --reader-line-height: 1.82;
    --reader-width: 820px;
    --reader-page: #f7faf9;
    --reader-surface: #fff;
    --reader-surface-soft: #f2f7f6;
    --reader-text: #32484f;
    --reader-muted: #61757c;
    --reader-heading: #243b45;
    --reader-border: rgba(36, 59, 69, .15);
    --reader-shadow: 0 12px 34px rgba(36, 59, 69, .08);
    background: var(--reader-page);
    color: var(--reader-text);
    transition: background-color .2s ease, color .2s ease;
}

.reader-mode[data-reader-theme="neutral"] {
    --reader-page: #eeeae0;
    --reader-surface: #f8f4ea;
    --reader-surface-soft: #e8e1d3;
    --reader-text: #403f39;
    --reader-muted: #716d62;
    --reader-heading: #2f302c;
    --reader-border: rgba(74, 69, 58, .18);
    --reader-shadow: 0 12px 34px rgba(70, 62, 48, .1);
}

.reader-mode[data-reader-theme="dark"] {
    --reader-page: #121b1f;
    --reader-surface: #1b282d;
    --reader-surface-soft: #24353b;
    --reader-text: #d8e1e2;
    --reader-muted: #a9b7ba;
    --reader-heading: #f2f5f5;
    --reader-border: rgba(216, 225, 226, .15);
    --reader-shadow: 0 14px 38px rgba(0, 0, 0, .24);
}

.reader-mode[data-reader-font-family="sans"] {
    --reader-font-family: "Source Sans Pro", "Segoe UI", sans-serif;
}

.reader-controls {
    display: flex;
    align-items: center;
    gap: 18px;
    margin: 0 0 24px;
    padding: 14px 16px;
    border: 1px solid var(--reader-border);
    border-radius: 8px;
    background: var(--reader-surface);
    box-shadow: var(--reader-shadow);
    color: var(--reader-text);
}

.reader-controls button {
    border: 1px solid var(--reader-border);
    border-radius: var(--button-radius, 6px);
    background: var(--reader-surface);
    color: var(--reader-text);
    cursor: pointer;
    font: inherit;
}

.reader-controls button:hover,
.reader-controls button:focus,
.reader-controls button[aria-pressed="true"] {
    border-color: #00acca;
    background: rgba(0, 172, 202, .12);
    color: #00acca;
    outline: 0;
}

.reader-controls__theme,
.reader-controls__font-family,
.reader-controls__width {
    display: flex;
    align-items: center;
    gap: 5px;
    margin: 0;
    padding: 0;
    border: 0;
}

.reader-controls__theme legend,
.reader-controls__font-family legend,
.reader-controls__width legend,
.reader-controls__settings label {
    float: left;
    width: auto;
    margin: 0 4px 0 0;
    color: var(--reader-muted);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .06em;
    text-transform: uppercase;
}

.reader-controls__icon-group {
    display: flex;
    gap: 5px;
}

.reader-controls__font-family-group {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5px;
}

.reader-controls__font-family-group button {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    padding: 7px 9px;
    font-size: 12px !important;
}

.reader-controls__font-family-group button[data-reader-font-family="serif"] {
    font-family: "Merriweather", Georgia, serif;
}

.reader-controls__font-family-group button[data-reader-font-family="sans"] {
    font-family: "Source Sans Pro", "Segoe UI", sans-serif;
}

.reader-controls__font-sample {
    font-size: 17px;
    line-height: 1;
}

.reader-controls__font-sample--serif {
    font-family: "Merriweather", Georgia, serif;
}

.reader-controls__font-sample--sans {
    font-family: "Source Sans Pro", "Segoe UI", sans-serif;
}

.reader-controls__icon-group button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 36px;
    padding: 0;
}

.reader-controls__icon-group svg {
    width: 18px;
    height: 18px;
    fill: none;
    stroke: currentColor;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-width: 1.7;
}

.reader-controls__settings {
    display: grid;
    grid-template-columns: minmax(100px, 170px) 45px;
    align-items: center;
    gap: 8px;
    margin-left: auto;
    font-size: 13px;
}

.reader-controls__settings label {
    grid-column: 1 / -1;
    width: 100%;
    margin-bottom: 0;
}

.reader-controls__settings input {
    accent-color: #00acca;
}

.reader-controls__settings output {
    color: var(--reader-muted);
    font-variant-numeric: tabular-nums;
}

.reader-controls__width button,
.reader-controls__reset {
    padding: 7px 9px;
    font-size: 12px !important;
}

.reader-mode__content {
    width: 100%;
    max-width: var(--reader-width);
    margin-right: auto;
    margin-left: auto;
    color: var(--reader-text);
    font-family: var(--reader-font-family);
    font-size: var(--reader-font-size);
    line-height: var(--reader-line-height);
    transition: max-width .25s ease, font-size .2s ease, color .2s ease;
}

.reader-mode__content p,
.reader-mode__content li {
    color: var(--reader-text);
    font-family: inherit;
    font-size: inherit;
    line-height: inherit;
}

.reader-mode__content h1,
.reader-mode__content h2,
.reader-mode__content h3,
.reader-mode__content h4,
.reader-mode__content h5,
.reader-mode__content h6,
.reader-mode__content strong {
    color: var(--reader-heading);
    font-family: inherit;
}

.reader-mode__content a {
    color: #009bb6;
}

.reader-mode[data-reader-theme="dark"] .reader-mode__content a {
    color: #49c6db;
}

.reader-mode .post > h2,
.reader-mode .sidebar h2,
.reader-mode .sidebar h5,
.reader-mode .sidebar a,
.reader-mode .perex p,
.reader-mode .post > p {
    color: var(--reader-heading);
}

.reader-mode .post > p,
.reader-mode .perex p {
    color: var(--reader-text);
}

.reader-mode[data-reader-theme="dark"] .sidebar a:hover,
.reader-mode[data-reader-theme="dark"] .sidebar a:focus {
    color: #49c6db;
}

.reader-mode[data-reader-width="narrow"] { --reader-width: 680px; }
.reader-mode[data-reader-width="standard"] { --reader-width: 820px; }
.reader-mode[data-reader-width="wide"] { --reader-width: 1060px; }

.navigation .reading-progress {
    position: absolute;
    right: 0;
    bottom: 0;
    left: 0;
    display: none;
    height: 6px;
    overflow: hidden;
    background: rgba(255, 255, 255, .24);
    pointer-events: none;
}

body.has-reading-progress .navigation .reading-progress {
    display: block;
}

.reading-progress span {
    display: block;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, #00acca, #c5a455);
    box-shadow: 0 0 11px rgba(0, 172, 202, .65);
    transform: scaleX(0);
    transform-origin: left center;
    transition: transform .1s linear;
}

.session-reader {
    min-height: 60vh;
    padding: 54px 0 80px;
}

.session-reader__container {
    width: calc(100vw - 40px);
    max-width: 1320px;
    margin: 0 auto;
    transition: max-width .3s ease;
}

.session-reader[data-reader-width="wide"] .session-reader__container {
    max-width: 2000px;
}

.session-reader__layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(290px, 340px);
    gap: clamp(28px, 3vw, 58px);
    align-items: start;
}

.session-reader__main {
    min-width: 0;
    padding: clamp(24px, 3vw, 48px);
    border: 1px solid var(--reader-border);
    border-radius: 7px;
    background: var(--reader-surface);
    box-shadow: var(--reader-shadow);
}

.session-reader[data-reader-width="wide"] .reader-mode__content {
    max-width: none;
}

.session-question-start {
    scroll-margin-top: 105px;
}

.session-question-start:not(.session-question-start--first) {
    position: relative;
    margin-top: 58px !important;
    padding-top: 50px;
}

.session-question-start:not(.session-question-start--first)::before {
    position: absolute;
    top: 0;
    right: 5%;
    left: 5%;
    height: 1px;
    content: '';
    background: linear-gradient(90deg, transparent, var(--reader-border) 20%, var(--reader-border) 80%, transparent);
}

.session-question-start:not(.session-question-start--first)::after {
    position: absolute;
    top: -4px;
    left: 50%;
    width: 9px;
    height: 9px;
    border: 1px solid var(--reader-border);
    background: var(--reader-surface);
    content: '';
    transform: translateX(-50%) rotate(45deg);
}

.session-reader__aside,
.session-reader__panel,
.session-reader__aside .reader-controls {
    position: static;
}

.reader-panel {
    padding: 20px;
    border: 1px solid var(--reader-border);
    border-radius: 7px;
    background: var(--reader-surface);
    box-shadow: var(--reader-shadow);
}

.reader-panel .reader-controls {
    display: block;
    margin: 0;
    padding: 0;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
}

.reader-panel .reader-controls__theme,
.reader-panel .reader-controls__font-family,
.reader-panel .reader-controls__width {
    display: block;
    margin-bottom: 18px;
}

.reader-panel .reader-controls__theme legend,
.reader-panel .reader-controls__font-family legend,
.reader-panel .reader-controls__width legend,
.reader-panel .reader-controls__settings label {
    float: none;
    display: block;
    width: 100%;
    margin: 0 0 7px;
}

.reader-panel .reader-controls__settings {
    grid-template-columns: 1fr 45px;
    width: 100%;
    margin: 0 0 18px;
}

.reader-panel .reader-controls__settings label {
    grid-column: 1 / -1;
}

.reader-panel .reader-controls__reset {
    width: 100%;
}

.article-reader__panel {
    margin-bottom: 30px;
}

.session-reader__navigation {
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--reader-border);
}

.session-reader__actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--reader-border);
}

.session-reader__actions .session-reader__navigation-title {
    grid-column: 1 / -1;
}

.session-reader__actions a {
    display: flex;
    min-height: 78px;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: 10px 8px;
    border: 1px solid var(--reader-border);
    border-radius: var(--button-radius, 6px);
    background: var(--reader-surface-soft);
    color: var(--reader-heading);
    text-align: center;
}

.session-reader__actions a:hover,
.session-reader__actions a:focus {
    border-color: #00acca;
    color: #008da6;
}

.session-reader__actions a span {
    color: var(--reader-muted);
    line-height: 1;
}

.session-reader__actions a svg {
    width: 21px;
    height: 21px;
    fill: none;
    stroke: currentColor;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-width: 1.8;
}

.session-reader__actions a strong {
    color: inherit;
    font-size: 13px;
}

.session-reader__navigation-title {
    margin-bottom: 9px;
    color: var(--reader-muted);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
}

.session-reader__navigation a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-top: 8px;
    padding: 12px;
    border: 1px solid var(--reader-border);
    border-radius: var(--button-radius, 6px);
    background: var(--reader-surface-soft);
    color: var(--reader-heading);
}

.session-reader__navigation a:hover,
.session-reader__navigation a:focus {
    border-color: #00acca;
    color: #008da6;
}

.session-reader__navigation small,
.session-reader__navigation strong {
    display: block;
}

.session-reader__navigation small {
    color: var(--reader-muted);
    font-size: 11px;
}

.session-reader__navigation strong {
    color: inherit;
    font-size: 14px;
}

@media (max-width: 991px) {
    .reader-controls {
        flex-wrap: wrap;
    }

    .reader-controls__settings {
        width: 100%;
        margin-left: 0;
    }

    .session-reader__layout {
        grid-template-columns: 1fr;
    }

    .session-reader__aside {
        grid-row: 1;
    }

    .session-reader__main {
        grid-row: 2;
    }
}

@media (max-width: 575px) {
    .session-reader {
        padding: 30px 0 55px;
    }

    .session-reader__container {
        width: calc(100vw - 24px);
    }

    .session-reader__main,
    .reader-panel {
        padding: 20px;
    }

    .reader-controls__settings {
        grid-template-columns: 1fr 45px;
    }

    .reader-controls__settings label {
        grid-column: 1 / -1;
    }

    .reader-controls__theme,
    .reader-controls__width {
        flex-wrap: wrap;
    }

    .reader-controls__theme legend,
    .reader-controls__width legend {
        width: 100%;
        margin-bottom: 4px;
    }
}