.scale-page {
    max-width: 1160px;
}

.scale-breadcrumb {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
    align-items: center;
    margin-bottom: 26px;
    color: rgba(78, 79, 115, 0.66);
    font-size: 0.95rem;
}

.scale-breadcrumb a {
    color: var(--primary-dark);
    text-decoration: none;
    border-bottom: 1px solid rgba(78, 79, 115, 0.22);
}

.scale-breadcrumb a:hover {
    border-bottom-color: var(--primary-dark);
}

.scale-breadcrumb span[aria-current="page"] {
    color: rgba(78, 79, 115, 0.72);
}

.page-hero {
    margin-bottom: 26px;
}

.page-hero .section-title {
    text-align: left;
    font-size: clamp(2.7rem, 7vw, 5.4rem);
    margin-bottom: 12px;
}

.hero-kicker {
    margin-bottom: 8px;
    color: #734e2f;
    font-size: 0.82rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.page-hero .section-description {
    max-width: 820px;
    font-weight: 500;
}

.control-panel {
    display: grid;
    grid-template-columns: minmax(240px, 1fr) auto;
    gap: 18px;
    align-items: end;
    padding: 24px;
    margin-bottom: 26px;
    background: #fffaf4;
    border: 1px solid rgba(115, 78, 47, 0.14);
    border-radius: 8px;
}

.control-panel h2 {
    margin: 0 0 4px;
    color: var(--primary-dark);
    font-size: 1.3rem;
}

.control-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: flex-end;
}

.tool-btn,
.example-select {
    border: 1px solid rgba(78, 79, 115, 0.26);
    background: #ffffff;
    color: var(--primary-dark);
    border-radius: 8px;
    padding: 10px 14px;
    min-height: 42px;
    font: inherit;
    font-weight: 700;
}

.tool-btn {
    cursor: pointer;
    transition: background 0.2s, color 0.2s, transform 0.2s;
}

.example-select {
    min-width: 178px;
    cursor: pointer;
}

.tool-btn:hover {
    transform: translateY(-1px);
    background: rgba(78, 79, 115, 0.08);
}

.tool-btn.primary {
    background: var(--primary-dark);
    color: #ffffff;
}

.tool-btn.danger {
    border-color: rgba(190, 60, 68, 0.42);
    color: #963039;
}

.topic-field {
    grid-column: 1 / -1;
    display: grid;
    gap: 7px;
    color: var(--primary-dark);
    font-size: 0.9rem;
    font-weight: 800;
}

.format-field {
    grid-column: 1 / -1;
    display: grid;
    gap: 9px;
    min-width: 0;
    padding: 0;
    margin: 0;
    border: 0;
}

.format-field legend {
    color: var(--primary-dark);
    font-size: 0.9rem;
    font-weight: 800;
}

.format-options {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.format-btn {
    min-height: 42px;
    padding: 9px 14px;
    border: 1px solid rgba(78, 79, 115, 0.22);
    border-radius: 8px;
    background: #ffffff;
    color: var(--primary-dark);
    font: inherit;
    font-weight: 800;
    font-size: 0.92rem;
    cursor: pointer;
    transition: background 0.2s, color 0.2s, border-color 0.2s;
}

.format-btn:hover,
.format-btn.active {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    color: #ffffff;
}

.question-guide {
    margin: 0 0 18px;
    padding: 14px 16px;
    border: 1px solid rgba(78, 79, 115, 0.12);
    border-radius: 8px;
    background: #f8f9fa;
}

.question-guide h2 {
    margin: 0 0 10px;
    color: var(--primary-dark);
    font-size: 0.98rem;
}

.question-guide-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 8px;
}

.question-guide-grid p {
    margin: 0;
    padding: 8px 10px;
    border-left: 3px solid rgba(78, 79, 115, 0.22);
    border-radius: 6px;
    background: #ffffff;
    color: rgba(78, 79, 115, 0.82);
    font-size: 0.9rem;
    font-weight: 700;
    line-height: 1.35;
}

.topic-field input,
.support-field input {
    width: 100%;
    min-height: 46px;
    border: 1px solid rgba(78, 79, 115, 0.2);
    border-radius: 8px;
    padding: 10px 12px;
    color: var(--primary-dark);
    font: inherit;
}

.topic-field input:focus,
.support-field input:focus,
.level-card textarea:focus {
    outline: 2px solid rgba(244, 196, 48, 0.5);
    border-color: #d6ad26;
}

.worksheet {
    display: grid;
    padding: 22px 0 12px;
}

.thermometer {
    display: none;
}

.thermometer-tube {
    width: 56px;
    height: 760px;
    border-radius: 999px 999px 0 0;
    overflow: hidden;
    background: #c6d3c4;
    box-shadow: inset 0 0 0 1px rgba(78, 79, 115, 0.08);
}

.segment {
    height: 10%;
}

.level-10 { background: #c83c3d; }
.level-9 { background: #dc6868; }
.level-8 { background: #e59b84; }
.level-7 { background: #f3b375; }
.level-6 { background: #f1c850; }
.level-5 { background: #f0dfa3; }
.level-4 { background: #afc4cc; }
.level-3 { background: #c9d3dd; }
.level-2 { background: #abc4a5; }
.level-1 { background: #d4dfce; }

.thermometer-bulb {
    width: 96px;
    height: 96px;
    margin-top: -24px;
    border-radius: 32px;
    background: #c6d3c4;
}

.scale-lines {
    display: grid;
    gap: 0;
}

.scale-row {
    display: grid;
    grid-template-columns: 132px 104px minmax(0, 1fr);
    gap: 16px;
    align-items: stretch;
    min-height: 132px;
    opacity: 0.54;
    transition: opacity 0.2s ease, filter 0.2s ease;
}

.scale-row.filled {
    opacity: 1;
}

.scale-row.support-threshold .tick-number {
    border-color: #734e2f;
    color: #734e2f;
    box-shadow: 0 0 0 4px rgba(115, 78, 47, 0.12);
}

.scale-row.support-threshold .level-card {
    border-color: rgba(115, 78, 47, 0.3);
    background: #fffaf4;
}

.scale-row.collapsed {
    min-height: 68px;
    opacity: 0.42;
}

.scale-row.collapsed.filled {
    opacity: 0.68;
}

.scale-row.collapsed .level-field span {
    display: none;
}

.scale-row.collapsed textarea {
    min-height: 44px;
    max-height: 44px;
    overflow: hidden;
    resize: none;
    pointer-events: none;
}

.row-segment {
    position: relative;
    display: flex;
    justify-content: center;
    z-index: 0;
}

.row-segment::before {
    content: "";
    position: relative;
    z-index: 1;
    width: 56px;
    min-height: 100%;
    background: var(--level-color);
    box-shadow: inset 0 0 0 1px rgba(78, 79, 115, 0.04);
}

.scale-row[data-level="10"] .row-segment::before {
    border-radius: 999px 999px 0 0;
}

.scale-row[data-level="0"] .row-segment::before {
    width: 96px;
    border-radius: 32px;
}

.scale-row[data-level="0"] .row-segment::after {
    content: "";
    position: absolute;
    z-index: 0;
    top: -8px;
    width: 56px;
    height: 42px;
    background: var(--level-color);
}

.tick {
    display: grid;
    grid-template-columns: minmax(24px, 1fr) 42px;
    gap: 12px;
    align-items: center;
    color: rgba(78, 79, 115, 0.82);
    font-weight: 800;
}

.tick::before {
    content: "";
    border-top: 2px dotted rgba(78, 79, 115, 0.55);
}

.tick-number {
    display: grid;
    width: 42px;
    height: 42px;
    place-items: center;
    border: 1px solid rgba(78, 79, 115, 0.14);
    border-radius: 50%;
    background: #ffffff;
    box-shadow: 0 5px 14px rgba(78, 79, 115, 0.06);
}

.level-card {
    display: grid;
    padding: 12px;
    border: 1px solid rgba(78, 79, 115, 0.1);
    border-left: 7px solid var(--level-color);
    border-radius: 8px;
    background: #ffffff;
    box-shadow: 0 8px 18px rgba(78, 79, 115, 0.05);
    cursor: pointer;
}

.level-field {
    display: grid;
    gap: 5px;
}

.level-field span {
    color: rgba(78, 79, 115, 0.66);
    font-size: 0.75rem;
    font-weight: 800;
    line-height: 1.2;
}

.level-card textarea {
    min-height: 108px;
    width: 100%;
    resize: vertical;
    border: 1px solid rgba(78, 79, 115, 0.16);
    border-radius: 7px;
    padding: 8px 9px;
    color: var(--primary-dark);
    background: #fbfbfb;
    font: inherit;
    font-size: 0.9rem;
    line-height: 1.4;
}

.tips-panel {
    margin-top: 28px;
    padding: 24px;
    border: 1px solid rgba(78, 79, 115, 0.1);
    border-radius: 8px;
    background: #f8f9fa;
}

.tips-panel h2 {
    margin: 0 0 14px;
    color: var(--primary-dark);
    font-size: 1.3rem;
}

.tips-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
}

.tips-grid p {
    margin: 0;
    color: rgba(78, 79, 115, 0.82);
}

.support-panel {
    margin-top: 18px;
    padding: 24px;
    border: 1px solid rgba(115, 78, 47, 0.16);
    border-radius: 8px;
    background: #fffaf4;
}

.support-panel h2 {
    margin: 0 0 8px;
    color: var(--primary-dark);
    font-size: 1.3rem;
}

.support-panel p {
    margin: 0 0 16px;
    color: rgba(78, 79, 115, 0.78);
}

.support-grid {
    display: grid;
    grid-template-columns: minmax(160px, 240px) minmax(0, 1fr);
    gap: 14px;
}

.support-field {
    display: grid;
    gap: 7px;
    color: var(--primary-dark);
    font-size: 0.9rem;
    font-weight: 800;
}

@media (max-width: 980px) {
    .worksheet {
        padding-top: 16px;
    }

    .scale-row {
        grid-template-columns: 96px 84px minmax(0, 1fr);
        gap: 12px;
        min-height: 142px;
    }

    .row-segment::before {
        width: 46px;
    }

    .scale-row[data-level="0"] .row-segment::before {
        width: 78px;
        border-radius: 26px;
    }

    .scale-row[data-level="0"] .row-segment::after {
        top: -7px;
        width: 46px;
        height: 36px;
    }

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

    .question-guide-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 720px) {
    .page-hero .section-title {
        font-size: 2.1rem;
    }

    .control-panel {
        grid-template-columns: 1fr;
        padding: 18px;
    }

    .control-actions {
        justify-content: stretch;
    }

    .tool-btn {
        flex: 1 1 140px;
    }

    .format-btn {
        flex: 1 1 140px;
    }

    .question-guide {
        padding: 14px;
    }

    .question-guide-grid {
        grid-template-columns: 1fr;
    }

    .support-grid {
        grid-template-columns: 1fr;
    }

    .tips-grid {
        grid-template-columns: 1fr;
    }

    .worksheet {
        grid-template-columns: 1fr;
        padding-top: 8px;
    }

    .thermometer {
        display: none;
    }

    .scale-row {
        grid-template-columns: 64px minmax(0, 1fr);
        gap: 8px;
        min-height: 0;
    }

    .row-segment {
        display: none;
    }

    .tick {
        grid-template-columns: 56px 1fr;
        gap: 10px;
    }

    .tick::after {
        content: "";
        border-top: 2px dotted rgba(78, 79, 115, 0.35);
    }

    .tick::before {
        content: none;
    }

    .level-card {
        grid-template-columns: 1fr;
        gap: 8px;
        border-left-width: 8px;
    }

    .level-card textarea {
        min-height: 112px;
    }

    .scale-row.collapsed textarea {
        min-height: 44px;
        max-height: 44px;
    }
}