/* TechNest Configurator — тёмная тема */

.vct-tool {
    --vt-blue: #003057;
    --vt-light-blue: #1c6bba;
    --vt-dark: #121212;
    --vt-dark-gray: #1e1e1e;
    --vt-medium-gray: #2d2d2d;
    --vt-light-gray: #3c3c3c;
    --vt-text: #e0e0e0;
    --vt-text-secondary: #9e9e9e;
    --vt-border: #4d4d4d;
    --vt-hover: #1a3b5c;
    --vt-accent: #007acc;
    --vt-orange: #f79361;
    --vt-warning: #ff4136;
    --vt-success: #3CB371;

    font-family: Arial, sans-serif;
    font-size: 13px;
    color: var(--vt-text);
    background-color: var(--vt-dark-gray);
    border: 1px solid var(--vt-border);
    border-radius: 4px;
    box-shadow: 0 1px 5px rgba(0, 0, 0, 0.3);
    overflow: hidden;
}

/* ---------- шапка ---------- */
.vct-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    background: linear-gradient(to bottom, var(--vt-medium-gray), var(--vt-dark-gray));
    border-bottom: 1px solid var(--vt-border);
}

.vct-logo {
    display: inline-block;
    padding: 2px 8px;
    border: 1px solid var(--vt-light-blue);
    border-radius: 3px;
    font-weight: bold;
    font-size: 12px;
    letter-spacing: 1px;
    color: var(--vt-accent);
    background: transparent;
    text-shadow: none;
}

.vct-title {
    font-weight: bold;
    letter-spacing: 0.5px;
    color: var(--vt-text);
    text-shadow: 1px 1px 1px rgba(0, 0, 0, 0.5);
}

.vct-vin-field { margin-left: auto; }
.vct-caption {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--vt-text-secondary);
}

.vct-vin {
    font-family: Consolas, monospace;
    font-size: 13px;
    letter-spacing: 1px;
    color: var(--vt-text);
    background-color: var(--vt-dark);
    border: 1px solid var(--vt-border);
    border-radius: 3px;
    padding: 4px 8px;
}

/* ---------- тулбар ---------- */
.vct-toolbar.vt-form-dark,
.vct-toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    margin: 0;
    border: none;
    border-bottom: 1px solid var(--vt-border);
    background-color: var(--vt-dark-gray);
    border-radius: 0;
}

.vct-toolbar select,
.vct-toolbar input[type="text"],
.vct-info input {
    background-color: var(--vt-medium-gray);
    color: var(--vt-text);
    border: 1px solid var(--vt-border);
    border-radius: 3px;
    padding: 5px 8px;
    font-size: 12px;
    line-height: 18px;
    height: 30px;
    box-sizing: border-box;
    text-shadow: 1px 1px 1px rgba(0, 0, 0, 0.5);
    width: auto;
    flex: 0 0 auto;
}

.vct-toolbar select {
    width: auto;
    max-width: 260px;
}
.vct-toolbar select option {
    background-color: var(--vt-medium-gray);
    color: var(--vt-text);
    text-shadow: none;
}

.vct-toolbar input:focus,
.vct-info input:focus,
.vct-toolbar select:focus {
    outline: none;
    border-color: var(--vt-accent);
}

.vct-offset { font-family: Consolas, monospace; text-transform: uppercase; width: 140px; }

/* Тема Avril подмешивает свою псевдо-галку "✔" — гасим её !important'ом
   и рисуем свою галку бордюрами, как в technest license-shop */
.vct-param-item input[type="checkbox"] {
    -webkit-appearance: none !important;
    -moz-appearance: none !important;
    appearance: none !important;
    width: 16px !important;
    max-width: none !important;
    min-width: 16px !important;
    height: 16px !important;
    margin: 0 !important;
    padding: 0 !important;
    flex: 0 0 auto;
    background-color: var(--vt-medium-gray) !important;
    border: 1px solid var(--vt-border) !important;
    border-radius: 3px !important;
    position: relative;
    cursor: pointer;
    vertical-align: middle;
    line-height: normal !important;
}
.vct-param-item input[type="checkbox"]::before { content: none !important; }
.vct-param-item input[type="checkbox"]:hover { border-color: var(--vt-accent) !important; }
.vct-param-item input[type="checkbox"]:checked {
    background-color: var(--vt-accent) !important;
    border-color: var(--vt-accent) !important;
}
.vct-param-item input[type="checkbox"]:checked::after {
    content: '' !important;
    display: block !important;
    position: absolute;
    left: 4px;
    top: 1px;
    width: 5px;
    height: 9px;
    border: solid #fff;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
    box-sizing: border-box;
}

/* ---------- кнопки (как .vt-button на сайте) ---------- */
.vct-tool .vt-button {
    display: inline-block;
    font-size: 12px;
    font-family: Arial, sans-serif;
    padding: 4px 12px;
    height: 30px;
    line-height: 20px;
    box-sizing: border-box;
    border-radius: 3px;
    border: 1px solid var(--vt-border);
    background-color: var(--vt-medium-gray);
    color: var(--vt-text);
    text-shadow: 1px 1px 1px rgba(0, 0, 0, 0.5);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
    transition: all 0.2s ease;
    cursor: pointer;
    user-select: none;
}

.vct-tool .vt-button:hover {
    background-color: var(--vt-hover);
    border-color: var(--vt-accent);
    transform: translateY(-1px);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.4);
}

.vct-tool .vt-button.vt-blue {
    border-color: var(--vt-light-blue);
    background: linear-gradient(to bottom, var(--vt-blue), var(--vt-light-blue));
}
.vct-tool .vt-button.vt-blue:hover {
    background: linear-gradient(to bottom, var(--vt-light-blue), var(--vt-blue));
}

.vct-tool .vt-button.vt-green {
    border-color: var(--vt-success);
    background: linear-gradient(to bottom, #1e5c3a, var(--vt-success));
}
.vct-tool .vt-button.vt-green:hover {
    background: linear-gradient(to bottom, var(--vt-success), #1e5c3a);
}

.vct-tool .vt-button:disabled {
    opacity: 0.45;
    cursor: default;
    transform: none;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.vct-file-label { display: inline-flex; }
.vct-file-label .vt-button { pointer-events: none; }

/* ---------- строка статуса ---------- */
.vct-info {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    border-bottom: 1px solid var(--vt-border);
}

.vct-search { flex: 0 1 280px; }

.vct-status {
    margin-left: auto;
    font-style: italic;
    font-size: 12px;
    color: var(--vt-text-secondary);
}
.vct-status.ok { color: var(--vt-success); font-style: normal; }
.vct-status.warn { color: var(--vt-orange); font-style: normal; }

/* ---------- тело: список + панель опций ---------- */
.vct-body {
    display: grid;
    grid-template-columns: 1fr minmax(280px, 32%);
    min-height: 200px;
}

.vct-list-wrap {
    max-height: 60vh;
    overflow: auto;
    background-color: var(--vt-dark);
}

.vct-table { font-size: 12px; margin: 0; box-shadow: none; }
.vct-table th {
    position: sticky;
    top: 0;
    z-index: 1;
    background: linear-gradient(to bottom, var(--vt-dark-gray), var(--vt-medium-gray));
    border-bottom: 1px solid var(--vt-orange);
    font-size: 12px;
    padding: 6px 8px;
    text-align: left;
    color: var(--vt-text);
}
.vct-table td {
    padding: 4px 8px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 480px;
    border-right: none;
}
.vct-table tbody tr { cursor: pointer; }
.vct-table tr.sel td {
    background-color: var(--vt-accent) !important;
    color: #fff !important;
    border-top: 1px solid var(--vt-accent) !important;
    border-bottom: 1px solid var(--vt-accent) !important;
}
.vct-table tr.sel td:first-child { border-left: 2px solid var(--vt-accent) !important; }

.vct-side {
    max-height: 60vh;
    overflow: auto;
    border-left: 1px solid var(--vt-border);
    background-color: var(--vt-dark-gray);
    padding: 10px;
}

.vct-user-value {
    border: 1px solid var(--vt-border);
    border-radius: 3px;
    margin: 0 0 10px;
    padding: 8px 10px;
    background-color: var(--vt-medium-gray);
}
.vct-user-value legend {
    padding: 0 6px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--vt-text-secondary);
}
.vct-hexval {
    width: 64px;
    font-family: Consolas, monospace;
    font-size: 14px;
    text-transform: uppercase;
    text-align: center;
    background-color: var(--vt-dark);
    color: var(--vt-orange);
    border: 1px solid var(--vt-border);
    border-radius: 3px;
    padding: 4px;
}
.vct-hexval:focus { outline: none; border-color: var(--vt-accent); }

.vct-choice {
    display: block;
    padding: 3px 6px;
    border-radius: 3px;
    font-size: 12px;
    white-space: normal;
    color: var(--vt-text);
    cursor: pointer;
}
.vct-choice:hover { background-color: var(--vt-hover); }
.vct-choice input[type="radio"] {
    -webkit-appearance: none !important;
    -moz-appearance: none !important;
    appearance: none !important;
    width: 15px !important;
    max-width: none !important;
    min-width: 15px !important;
    height: 15px !important;
    margin: 0 6px 0 0 !important;
    padding: 0 !important;
    flex: 0 0 auto;
    background-color: var(--vt-medium-gray) !important;
    border: 1px solid var(--vt-border) !important;
    border-radius: 50% !important;
    position: relative;
    cursor: pointer;
    vertical-align: -2px;
    line-height: normal !important;
}
.vct-choice input[type="radio"]::before { content: none !important; }
.vct-choice input[type="radio"]:hover { border-color: var(--vt-accent) !important; }
.vct-choice input[type="radio"]:checked { border-color: var(--vt-accent) !important; }
.vct-choice input[type="radio"]:checked::after {
    content: '' !important;
    display: block !important;
    position: absolute;
    left: 3px;
    top: 3px;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background-color: var(--vt-accent);
}
.vct-choice.cur { color: var(--vt-accent); font-weight: bold; }

.vct-side-empty {
    padding: 20px 10px;
    text-align: center;
    color: var(--vt-text-secondary);
    font-style: italic;
    font-size: 12px;
}

/* ---------- диалог изменений ---------- */
.vct-diff-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 99999;
}
.vct-diff-overlay[hidden] { display: none; }

.vct-diff-dialog {
    background-color: var(--vt-dark-gray);
    border: 1px solid var(--vt-border);
    border-radius: 4px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.6);
    max-width: min(720px, 92vw);
    max-height: 80vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}
.vct-diff-title {
    padding: 8px 12px;
    font-weight: bold;
    font-size: 13px;
    color: var(--vt-text);
    background: linear-gradient(to bottom, var(--vt-medium-gray), var(--vt-dark-gray));
    border-bottom: 1px solid var(--vt-border);
    text-shadow: 1px 1px 1px rgba(0, 0, 0, 0.5);
}
.vct-diff-scroll { overflow: auto; padding: 8px; }
.vct-pay-text { padding: 16px; color: #d8d8d8; font-size: 14px; }
.vct-params-body {
    padding: 14px 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.vct-param-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--vt-text);
    font-size: 13px;
    cursor: pointer;
    white-space: nowrap;
}
.vct-offset-row {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 4px;
    padding-top: 10px;
    border-top: 1px solid var(--vt-border);
}
.vct-diff-table { font-size: 12px; }
.vct-diff-table td { white-space: normal; }
.vct-diff-buttons {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    padding: 10px 12px;
    border-top: 1px solid var(--vt-border);
}

/* ---------- адаптив ---------- */
@media (max-width: 760px) {
    .vct-body { grid-template-columns: 1fr; }
    .vct-side { border-left: none; border-top: 1px solid var(--vt-border); max-height: 40vh; }
    .vct-vin-field { margin-left: 0; }
}