body {
    background: linear-gradient(135deg, #eef7fb 0%, #f6f8fc 45%, #eef5f2 100%);
}

.version-page {
    width: min(1180px, calc(100% - 40px));
    margin: 34px auto 56px;
    color: #17223b;
}

.version-hero {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 24px;
    padding: 34px;
    border: 1px solid rgba(28, 185, 208, 0.24);
    border-radius: 8px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.94), rgba(242, 251, 252, 0.9));
    box-shadow: 0 20px 45px rgba(31, 58, 96, 0.12);
}

.version-eyebrow {
    display: block;
    margin-bottom: 8px;
    color: #1a94aa;
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0;
    text-transform: uppercase;
}

.version-hero h1 {
    margin: 0;
    color: #162351;
    font-size: 38px;
    font-weight: 800;
    letter-spacing: 0;
}

.version-hero p {
    max-width: 650px;
    margin: 12px 0 0;
    color: #5c6982;
    font-size: 15px;
    line-height: 1.65;
}

.version-current {
    min-width: 170px;
    padding: 16px;
    border: 1px solid rgba(35, 207, 221, 0.3);
    border-radius: 8px;
    background: #ffffff;
    text-align: right;
    box-shadow: 0 14px 30px rgba(37, 56, 92, 0.08);
}

.version-current span {
    display: block;
    color: #64738d;
    font-size: 12px;
    font-weight: 700;
}

.version-current strong {
    display: block;
    margin-top: 4px;
    color: #1d2d72;
    font-size: 28px;
}

.version-workspace {
    display: grid;
    grid-template-columns: 330px minmax(0, 1fr);
    gap: 22px;
    margin-top: 22px;
}

.version-list-panel,
.version-detail-panel,
.version-admin-panel {
    border: 1px solid rgba(164, 180, 205, 0.35);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.92);
    box-shadow: 0 18px 40px rgba(24, 42, 70, 0.11);
}

.version-list-panel,
.version-detail-panel {
    min-height: 560px;
}

.version-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 18px 20px;
    border-bottom: 1px solid rgba(164, 180, 205, 0.3);
}

.version-panel-header span {
    display: block;
    color: #6a7890;
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0;
    text-transform: uppercase;
}

.version-panel-header strong {
    display: block;
    margin-top: 3px;
    color: #1d2a4a;
    font-size: 16px;
}

.version-icon-button,
.version-primary-button,
.version-secondary-button,
.version-danger-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 42px;
    border: 0;
    border-radius: 8px;
    font-weight: 800;
    letter-spacing: 0;
    transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.version-icon-button {
    width: 42px;
    color: #ffffff;
    background: linear-gradient(135deg, #2937a3, #25d5df);
}

.version-primary-button {
    padding: 0 22px;
    color: #ffffff;
    background: linear-gradient(135deg, #2638a1, #24ccd8);
    box-shadow: 0 14px 28px rgba(36, 62, 160, 0.26);
}

.version-secondary-button {
    padding: 0 18px;
    color: #24304f;
    background: #ffffff;
    border: 1px solid rgba(160, 176, 202, 0.55);
}

.version-danger-button {
    padding: 0 18px;
    color: #ffffff;
    background: linear-gradient(135deg, #b63d57, #e85b74);
}

.version-icon-button:hover,
.version-primary-button:hover,
.version-secondary-button:hover,
.version-danger-button:hover {
    transform: translateY(-1px);
}

.version-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-height: 504px;
    padding: 16px;
    overflow-y: auto;
}

.version-list-item {
    position: relative;
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 4px 12px;
    width: 100%;
    min-height: 88px;
    padding: 16px;
    border: 1px solid rgba(176, 190, 215, 0.48);
    border-radius: 8px;
    background: #ffffff;
    text-align: left;
    transition: border 0.18s ease, box-shadow 0.18s ease, transform 0.18s ease;
}

.version-list-item:hover,
.version-list-item.active {
    border-color: rgba(30, 199, 216, 0.72);
    box-shadow: 0 12px 24px rgba(36, 72, 120, 0.12);
    transform: translateY(-1px);
}

.version-list-item strong {
    color: #1e2b70;
    font-size: 18px;
}

.version-list-item small {
    grid-column: 1 / -1;
    color: #596a84;
    font-size: 13px;
    line-height: 1.35;
}

.version-list-item em {
    color: #8190a7;
    font-style: normal;
    font-size: 12px;
}

.version-list-item span {
    align-self: start;
    padding: 4px 8px;
    color: #0f7d78;
    border-radius: 999px;
    background: rgba(38, 214, 191, 0.14);
    font-size: 11px;
    font-weight: 800;
}

.version-list-item-passive {
    opacity: 0.62;
}

.version-list-empty,
.version-empty {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 10px;
    min-height: 420px;
    color: #71819a;
    text-align: center;
}

.version-empty i {
    color: #25c9d6;
    font-size: 42px;
}

.version-empty strong {
    color: #1c2b54;
    font-size: 22px;
}

.version-empty span {
    max-width: 340px;
    line-height: 1.5;
}

.version-detail {
    padding: 28px;
}

.version-detail-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 18px;
    padding-bottom: 20px;
    border-bottom: 1px solid rgba(164, 180, 205, 0.3);
}

.version-detail-head span:first-child {
    color: #64738d;
    font-size: 13px;
    font-weight: 700;
}

.version-detail h2 {
    margin: 7px 0 0;
    color: #172351;
    font-size: 30px;
    font-weight: 800;
    letter-spacing: 0;
}

.version-badges {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 8px;
}

.version-badges span {
    padding: 7px 11px;
    border-radius: 999px;
    color: #1e2b70;
    background: rgba(38, 213, 223, 0.13);
    font-size: 12px;
    font-weight: 800;
}

.version-badges span + span {
    color: #0d706f;
    background: rgba(42, 200, 170, 0.16);
}

.version-summary {
    margin: 22px 0;
    color: #52627c;
    font-size: 15px;
    line-height: 1.7;
}

.version-note-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

.version-note-block {
    min-height: 190px;
    padding: 18px;
    border: 1px solid rgba(164, 180, 205, 0.35);
    border-radius: 8px;
    background: #ffffff;
}

.version-note-block > span {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
    color: #1d2a4a;
    font-size: 14px;
    font-weight: 800;
}

.version-note-block ul {
    margin: 0;
    padding-left: 18px;
    color: #586982;
    line-height: 1.65;
}

.version-note-block li + li {
    margin-top: 6px;
}

.note-added i {
    color: #17a985;
}

.note-updated i {
    color: #2e6fd8;
}

.note-fixed i {
    color: #7a55c7;
}

.note-removed i {
    color: #d45563;
}

.version-admin-panel {
    margin-top: 22px;
}

.version-form {
    padding: 22px;
}

.version-form-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}

.version-form label {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin: 0;
}

.version-form label > span {
    color: #43516d;
    font-size: 13px;
    font-weight: 800;
}

.version-form input[type="text"],
.version-form input[type="date"],
.version-form textarea {
    width: 100%;
    border: 1px solid rgba(158, 176, 204, 0.62);
    border-radius: 8px;
    background: #f9fbfe;
    color: #1b294a;
    font-size: 14px;
    outline: none;
    transition: border 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.version-form input[type="text"],
.version-form input[type="date"] {
    height: 44px;
    padding: 0 13px;
}

.version-form textarea {
    resize: vertical;
    min-height: 116px;
    padding: 12px 13px;
}

.version-form input:focus,
.version-form textarea:focus {
    border-color: rgba(35, 199, 217, 0.9);
    background: #ffffff;
    box-shadow: 0 0 0 4px rgba(35, 199, 217, 0.12);
}

.version-wide {
    grid-column: 1 / -1;
}

.version-toggle {
    justify-content: center;
    min-height: 44px;
    padding: 0 13px;
    border: 1px solid rgba(158, 176, 204, 0.62);
    border-radius: 8px;
    background: #ffffff;
}

.version-toggle {
    flex-direction: row !important;
    align-items: center;
}

.version-toggle input {
    width: 18px;
    height: 18px;
    margin: 0;
}

.version-actions {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    margin-top: 20px;
}

.hidden {
    display: none !important;
}

@media (max-width: 980px) {
    .version-page {
        width: min(100% - 24px, 760px);
        margin-top: 20px;
    }

    .version-hero,
    .version-detail-head {
        flex-direction: column;
        align-items: stretch;
    }

    .version-current {
        text-align: left;
    }

    .version-workspace {
        grid-template-columns: 1fr;
    }

    .version-list-panel,
    .version-detail-panel {
        min-height: auto;
    }

    .version-list {
        max-height: 360px;
    }

    .version-note-grid,
    .version-form-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 560px) {
    .version-page {
        width: calc(100% - 18px);
        margin-bottom: 90px;
    }

    .version-hero,
    .version-detail,
    .version-form {
        padding: 18px;
    }

    .version-hero h1 {
        font-size: 28px;
    }

    .version-detail h2 {
        font-size: 24px;
    }

    .version-panel-header {
        align-items: stretch;
        flex-direction: column;
    }

    .version-actions {
        flex-direction: column-reverse;
    }

    .version-primary-button,
    .version-secondary-button,
    .version-danger-button {
        width: 100%;
    }
}