.generation-options-container {
    width: 50%;
    min-width: 320px;
    border: 2px solid var(--base-border-color);
    border-radius: 12px;
    padding: 15px;
    background-color: var(--second-color);
    margin: 40px auto;
    color: var(--text-color);
    font-size: 1.125rem;
}

.generation-options-container h1 {
    text-align: center;
    margin-top: 10px;
    font-size: calc(1.25rem + 0.3vw);
    color: white;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: white;
    font-weight: 500;
}

.generation-note {
    display: flex;
    align-items: flex-start;
    gap: 0.7rem;
    margin: 0 0 0.75rem;
    padding: 0.8rem 0.95rem;
    border: 1px solid oklch(0.76 0.145 205 / 0.22);
    border-radius: 10px;
    background: oklch(0.76 0.145 205 / 0.08);
    color: rgba(217, 247, 245, 0.92);
    font-size: 0.95rem;
    line-height: 1.45;
}

.generation-note[hidden] {
    display: none;
}

.generation-note__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
    width: 1.1rem;
    height: 1.1rem;
    margin-top: 0.08rem;
    color: #71fff1;
}

.generation-note__icon svg {
    width: 100%;
    height: 100%;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.9;
    stroke-linecap: round;
    stroke-linejoin: round;
}

#theme-input{
    font-family: Arial, Helvetica, sans-serif;
}

.char-counter {
    font-size: 0.875rem;
    color: #6c757d;
    text-align: right;
}

.form-control {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--base-border-color);
    border-radius: 8px;
    background-color: #2d2d2d;
    color: white;
    font-size: 1rem;
}

select.form-control {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    padding-right: 2.75rem;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8' fill='none'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%23d9d7e1' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 0.75rem;
}

textarea.form-control[readonly] {
    background-color: #1f1f1f;
    border-color: #2d2d2d;
    color: #9c9c9c;
    cursor: not-allowed;
    opacity: 0.85;
}

textarea.form-control[readonly]:focus {
    border-color: #2d2d2d;
    box-shadow: none;
}

.form-control:focus {
    outline: none;
    border-color: var(--button-color);
    box-shadow: 0 0 0 2px rgba(74, 144, 226, 0.2);
}

.form-control.plan {
    background-color: var(--color-surface-1);
}

.work-volume-group {
    --page-title-color: oklch(0.72 0.09 264);
    --page-contents-color: oklch(0.72 0.1 232);
    --page-intro-color: oklch(0.76 0.12 185);
    --page-main-color: var(--color-primary);
    --page-conclusion-color: oklch(0.78 0.12 92);
    --page-references-color: oklch(0.72 0.1 42);
    --main-body-pages: 15;
    margin: 0 0 1.75rem;
    padding: 1.15rem;
    border: 1px solid color-mix(in oklch, var(--color-line) 82%, var(--color-primary));
    border-radius: 12px;
    background: color-mix(in oklch, var(--color-surface-1) 86%, var(--color-bg));
}

.work-volume-heading {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1.25rem;
}

.work-volume-heading h2 {
    margin: 0;
    color: var(--color-text);
    font-size: 1.12rem;
    font-weight: 700;
    line-height: 1.3;
}

.work-volume-heading p {
    max-width: 58ch;
    margin: 0.35rem 0 0;
    color: var(--color-muted);
    font-size: 0.9rem;
    line-height: 1.5;
}

.form-group .page-count-field {
    flex: 0 0 auto;
    margin: 0;
    color: var(--color-muted);
    font-size: 0.875rem;
    font-weight: 600;
    text-align: right;
}

.page-count-label small {
    display: block;
    margin-top: 0.15rem;
    color: var(--color-muted);
    font-size: 0.9375rem;
    font-weight: 500;
}

.page-count-input {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    margin-top: 0.35rem;
    color: var(--color-muted);
    font-size: 0.82rem;
}

.page-count-control {
    box-sizing: border-box;
    width: 112px;
    min-height: 44px;
    padding: 0.55rem 0.7rem;
    border-color: color-mix(in oklch, var(--color-primary) 54%, var(--color-line));
    background: var(--color-surface-2);
    color: var(--color-text);
    font-size: 1.12rem;
    font-weight: 700;
    text-align: center;
}

.page-distribution {
    margin-top: 1.15rem;
}

.page-distribution-summary {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 0.55rem;
    color: var(--color-muted);
    font-size: 0.78rem;
    font-weight: 600;
}

#page-distribution-total {
    color: var(--color-text);
    font-size: 0.82rem;
    font-weight: 650;
    text-align: right;
}

.page-distribution-bar {
    display: flex;
    width: 100%;
    height: 34px;
    overflow: hidden;
    border: 1px solid color-mix(in oklch, var(--color-line) 78%, transparent);
    border-radius: 9px;
    background: var(--color-bg);
}

.page-segment {
    min-width: 14px;
    border-inline-end: 2px solid color-mix(in oklch, var(--color-bg) 80%, transparent);
}

.page-segment:last-child {
    border-inline-end: 0;
}

.page-segment--title {
    flex: 1 1 0;
    background: var(--page-title-color);
}

.page-segment--contents {
    flex: 1 1 0;
    background: var(--page-contents-color);
}

.page-segment--intro {
    flex: 1.5 1 0;
    background: var(--page-intro-color);
}

.page-segment--main {
    display: flex;
    align-items: center;
    justify-content: center;
    flex: var(--main-body-pages) 1 90px;
    min-width: 90px;
    background: var(--page-main-color);
    color: var(--color-bg);
    font-size: 0.875rem;
    font-weight: 800;
    white-space: nowrap;
    transition: flex-grow 180ms cubic-bezier(0.25, 1, 0.5, 1);
}

.page-segment--conclusion {
    flex: 1.5 1 0;
    background: var(--page-conclusion-color);
}

.page-segment--references {
    flex: 1 1 0;
    background: var(--page-references-color);
}

.page-distribution-legend {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.6rem 1rem;
    margin: 0.9rem 0 0;
    padding: 0;
    list-style: none;
}

.page-distribution-legend li {
    display: flex;
    align-items: flex-start;
    gap: 0.45rem;
    min-width: 0;
    color: var(--color-muted);
    font-size: 0.9375rem;
    line-height: 1.35;
}

.page-distribution-legend strong {
    display: block;
    color: var(--color-text);
    font-size: 0.9375rem;
    font-weight: 700;
}

.page-legend-main strong {
    color: var(--color-primary);
}

.page-legend-dot {
    flex: 0 0 auto;
    width: 9px;
    height: 9px;
    margin-top: 0.2rem;
    border-radius: 50%;
    background: var(--legend-color);
}

.page-legend-dot--title { --legend-color: var(--page-title-color); }
.page-legend-dot--contents { --legend-color: var(--page-contents-color); }
.page-legend-dot--intro { --legend-color: var(--page-intro-color); }
.page-legend-dot--main { --legend-color: var(--page-main-color); }
.page-legend-dot--conclusion { --legend-color: var(--page-conclusion-color); }
.page-legend-dot--references { --legend-color: var(--page-references-color); }

.plan-type-group {
    display: flex;
    flex-direction: column;
    margin: 0;
    padding: 0;
    border: 0;
    min-width: 0;
}

.plan-type-title {
    padding: 0;
    color: var(--color-text);
    font-size: 1.12rem;
    font-weight: 650;
    line-height: 1.3;
}

.plan-type-lead {
    max-width: 62ch;
    margin: 0.25rem 0 0.35rem;
    color: var(--color-muted);
    font-size: 0.92rem;
    line-height: 1.5;
}

.plan-type-options {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    margin: 12px 0;
}

.plan-type-options input[type="radio"] {
    position: absolute;
    opacity: 0;
    width: 1px;
    height: 1px;
}

.plan-type-btn {
    display: flex;
    flex-direction: column;
    min-width: 0;
    height: 100%;
    margin: 0;
    padding: 16px;
    border: 1px solid var(--color-line);
    border-radius: 12px;
    background: color-mix(in oklch, var(--color-surface-1) 82%, var(--color-bg));
    color: var(--color-text);
    cursor: pointer;
    transition: border-color 180ms cubic-bezier(0.25, 1, 0.5, 1),
                background-color 180ms cubic-bezier(0.25, 1, 0.5, 1),
                transform 180ms cubic-bezier(0.25, 1, 0.5, 1);
}

.plan-type-card-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
}

.plan-type-kicker,
.plan-type-name,
.plan-type-description,
.plan-type-recommendation {
    display: block;
}

.plan-type-kicker {
    margin-bottom: 3px;
    color: var(--color-muted);
    font-size: 0.76rem;
    font-weight: 500;
}

.plan-type-name {
    color: var(--color-text);
    font-size: 1.05rem;
    font-weight: 700;
    line-height: 1.25;
}

.plan-type-state {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    min-height: 24px;
    padding: 3px 8px;
    border-radius: 999px;
    background: var(--color-primary);
    color: var(--color-bg);
    font-size: 0.72rem;
    font-weight: 700;
    opacity: 0;
    transform: translateY(-2px);
    transition: opacity 160ms ease-out, transform 160ms ease-out;
}

.plan-type-state::before {
    content: "✓";
    font-size: 0.82rem;
}

.plan-type-description {
    min-height: 2.8em;
    margin-top: 10px;
    color: var(--color-muted);
    font-size: 0.86rem;
    font-weight: 400;
    line-height: 1.4;
}

.plan-diagram {
    display: flex;
    flex-direction: column;
    gap: 5px;
    margin-top: 14px;
    padding: 11px;
    border: 1px solid color-mix(in oklch, var(--color-line) 74%, transparent);
    border-radius: 9px;
    background: color-mix(in oklch, var(--color-bg) 65%, var(--color-surface-1));
}

.plan-diagram-row {
    position: relative;
    display: grid;
    grid-template-columns: 24px minmax(0, 1fr) auto;
    align-items: center;
    min-height: 24px;
    gap: 8px;
    color: color-mix(in oklch, var(--color-text) 90%, var(--color-muted));
    font-size: 0.74rem;
    font-weight: 500;
    line-height: 1.25;
}

.plan-diagram-row:not(:last-child)::after {
    content: "";
    position: absolute;
    top: 21px;
    left: 11px;
    width: 1px;
    height: 8px;
    background: var(--color-line);
}

.plan-diagram-marker {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border: 1px solid color-mix(in oklch, var(--color-primary) 42%, var(--color-line));
    border-radius: 50%;
    background: var(--color-surface-2);
    color: var(--color-primary);
    font-size: 0.68rem;
    font-weight: 700;
}

.plan-diagram-row--automatic {
    color: var(--color-muted);
}

.plan-diagram-row--automatic .plan-diagram-marker {
    border-color: var(--color-line);
    color: var(--color-muted);
}

.plan-diagram-note {
    color: var(--color-muted);
    font-size: 0.64rem;
    font-weight: 500;
}

.plan-diagram-row--chapter {
    color: var(--color-text);
    font-weight: 700;
}

.plan-diagram-row--nested {
    margin-left: 19px;
}

.plan-diagram-row--nested::before {
    content: "";
    position: absolute;
    left: -8px;
    width: 8px;
    height: 1px;
    background: var(--color-line);
}

.plan-diagram-row--nested .plan-diagram-marker {
    width: 28px;
    border-radius: 7px;
}

.plan-type-recommendation {
    margin-top: auto;
    padding-top: 13px;
    color: var(--color-muted);
    font-size: 0.76rem;
    font-weight: 500;
    line-height: 1.35;
}

.plan-type-recommendation::before {
    content: "Подходит: ";
    color: var(--color-text);
    font-weight: 650;
}

.plan-type-options input[type="radio"]:checked + .plan-type-btn {
    border-color: var(--color-primary);
    background: color-mix(in oklch, var(--color-primary) 10%, var(--color-surface-1));
}

.plan-type-options input[type="radio"]:checked + .plan-type-btn .plan-type-state {
    opacity: 1;
    transform: translateY(0);
}

.plan-type-options input[type="radio"]:focus-visible + .plan-type-btn {
    outline: 3px solid color-mix(in oklch, var(--color-primary) 32%, transparent);
    outline-offset: 3px;
}

@media (hover: hover) {
    .plan-type-btn:hover {
        border-color: color-mix(in oklch, var(--color-primary) 68%, var(--color-line));
        transform: translateY(-2px);
    }
}

@media (prefers-reduced-motion: reduce) {
    .plan-type-btn,
    .plan-type-state,
    .page-segment--main {
        transition: none;
    }
}

.custom-content-group {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.switch {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 24px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #444;
    transition: .4s;
    border-radius: 24px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 16px;
    width: 16px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: .4s;
    border-radius: 50%;
}

input:checked + .slider {
    background-color: var(--button-color);
}

input:checked + .slider:before {
    transform: translateX(26px);
    background-color: var(--color-bg);
}

.slider.round {
    border-radius: 24px;
}

#generate-link {
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    text-decoration: none;
    color: var(--color-bg);
}

.generate-btn {
    width: 100%;
    min-height: 52px;
    padding: 0.9rem 1.5rem;
    background-color: var(--color-primary);
    color: var(--color-bg);
    border: 1px solid color-mix(in oklch, var(--color-primary) 76%, var(--color-primary-hover));
    border-radius: 12px;
    font-family: inherit;
    font-size: 1.0625rem;
    font-weight: 700;
    line-height: 1.2;
    cursor: pointer;
    box-shadow: 0 10px 24px color-mix(in oklch, var(--color-primary) 22%, transparent);
    transition: background-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.generate-btn:hover {
    background-color: var(--color-primary-hover);
    color: var(--color-bg);
    transform: translateY(-2px);
    box-shadow: 0 14px 30px color-mix(in oklch, var(--color-primary) 28%, transparent);
}

.generate-btn:active {
    transform: translateY(0);
}

.generate-btn:focus-visible {
    outline: 3px solid color-mix(in oklch, var(--color-primary-hover) 58%, transparent);
    outline-offset: 3px;
}

.generate-btn:disabled,
.generate-btn[aria-disabled="true"] {
    background: color-mix(in oklch, var(--color-line) 72%, var(--color-surface-2));
    color: var(--color-muted);
    border-color: var(--color-line);
    cursor: not-allowed;
    box-shadow: none;
    transform: none;
}

.section-group {
    background-color: #252525;
    border-radius: 8px;
    padding: 12px;
    margin-bottom: 15px;
    border: 1px solid #444;
    transition: all 0.3s ease;
}

.section-group:hover {
    border-color: var(--button-color);
    box-shadow: 0 0 0 1px rgba(74, 144, 226, 0.5);
}

.section-group:last-child {
    margin-bottom: 0;
}

.section-header {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid #444;
}

.section-header > span {
    margin-right: auto;
}

.section-points-control {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin: 0;
    color: var(--color-muted);
    font-size: 0.9rem;
    font-weight: 500;
}

.section-points-count {
    width: 72px;
    min-height: 38px;
    padding: 6px 10px;
    border: 1px solid var(--color-line);
    border-radius: 8px;
    background: var(--color-surface-1);
    color: var(--color-text);
    font: inherit;
    text-align: center;
}

.section-points-count:focus-visible {
    border-color: var(--color-primary);
    outline: 3px solid color-mix(in oklch, var(--color-primary) 24%, transparent);
    outline-offset: 2px;
}

.section-points-summary {
    margin: 0 0 12px;
    color: var(--color-muted);
    font-size: 0.9rem;
    text-align: right;
}

.section-header::before {
    content: "§";
    color: var(--button-color);
    font-weight: bold;
    font-size: 1.2rem;
}

.section-field {
    margin-bottom: 0;
}

.point-field {
    margin-top: 8px;
    padding: 8px;
    background-color: #2a2a2a;
    border-radius: 4px;
    border-left: 3px solid var(--button-color);
}

.point-field label {
    display: block;
    margin-bottom: 4px;
    color: #ccc;
    font-size: 0.9rem;
    font-weight: 500;
}

.point-field input {
    width: 100%;
    background-color: #333;
    border: 1px solid #555;
}

.point-field input:focus {
    border-color: var(--button-color);
    box-shadow: 0 0 0 2px rgba(74, 144, 226, 0.2);
}

.points-container {
    margin-top: 8px;
}

@media (max-width: 1280px) {
    .generation-options-container {
        width: 60%;
    }
}

@media (max-width: 860px) {
    .plan-type-options {
        grid-template-columns: 1fr;
    }

    .plan-type-description {
        min-height: 0;
    }
}

@media (max-width: 768px) {
    .generation-options-container {
        width: 70%;
    }
}

@media (max-width: 500px) {
    .generation-options-container {
        font-size: 1rem;
        width: 90%;
    }
    .page-distribution-legend li {
        font-size: 0.8125rem;
    }
    .plan-type-btn {
        padding: 14px;
    }

    .work-volume-group {
        padding: 1rem;
    }

    .work-volume-heading {
        flex-direction: column;
        gap: 0.9rem;
    }

    .form-group .page-count-field {
        display: block;
        width: 100%;
        text-align: left;
    }

    .page-count-input {
        width: 100%;
        margin-top: 0.5rem;
    }

    .page-count-input > span {
        display: none;
    }

    .page-count-control {
        width: 100%;
    }

    .page-distribution-summary {
        align-items: flex-start;
        flex-direction: column;
        gap: 0.2rem;
    }

    #page-distribution-total {
        text-align: left;
    }

    .page-distribution-legend {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .section-points-control {
        width: 100%;
        justify-content: space-between;
    }
}