/*
 * Общие стили «Графов систем». Перенос из старого проекта: переменные и базовые правила
 * (static/css/styles.css), шапка и меню пользователя (inline-стили visualization.html),
 * форма входа (inline-стили login.html). Inline-стилей на страницах нет: CSP style-src 'self'.
 */

:root {
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --secondary-color: #7c3aed;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    --background: #f8fafc;
    --surface: #ffffff;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --border: #e2e8f0;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --header-height: 2.5rem;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: var(--background);
    color: var(--text-primary);
    line-height: 1.6;
}

a {
    color: var(--primary-color);
}

.hidden {
    display: none !important;
}

/* ---- Шапка защищённых страниц ---------------------------------------------------- */

.page-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    min-height: var(--header-height);
    padding: 0.25rem 1rem;
    background: var(--surface);
    box-shadow: var(--shadow);
    z-index: 100;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.page-header h1 {
    margin: 0;
    color: var(--primary-color);
    font-size: 1rem;
}

.page-content {
    padding: calc(var(--header-height) + 1rem) 1rem 1rem;
}

.tab-nav {
    display: flex;
    gap: 0;
    margin-left: 1rem;
}

.tab-btn {
    padding: 0.25rem 0.75rem;
    border: 1px solid var(--border);
    background: var(--background);
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 0.8rem;
    text-decoration: none;
    transition: background 0.2s, color 0.2s;
}

.tab-btn:first-child {
    border-radius: 0.25rem 0 0 0.25rem;
}

.tab-btn:last-child {
    border-radius: 0 0.25rem 0.25rem 0;
}

.tab-btn.active {
    background: var(--primary-color);
    color: #ffffff;
    border-color: var(--primary-color);
}

.tab-btn:not(.active):hover {
    background: var(--border);
}

.user-menu {
    margin-left: auto;
    position: relative;
    user-select: none;
}

.user-name {
    font-size: 0.8rem;
    color: var(--text-secondary);
    padding: 0.25rem 0.5rem;
    border: none;
    border-radius: 0.25rem;
    background: none;
    cursor: pointer;
    min-width: 2rem;
    min-height: 1.5rem;
    transition: background 0.2s;
}

.user-name:hover {
    background: var(--background);
}

.user-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 0.25rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 0.25rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    z-index: 9999;
    min-width: 120px;
}

.user-dropdown button {
    display: block;
    width: 100%;
    padding: 0.5rem 1rem;
    border: none;
    background: none;
    text-align: left;
    cursor: pointer;
    font-size: 0.8rem;
    color: var(--text-primary);
}

.user-dropdown button:hover {
    background: var(--background);
}

/* ---- Кнопки и формы -------------------------------------------------------------- */

.button {
    display: inline-block;
    padding: 0.5rem 1rem;
    border: 1px solid var(--primary-color);
    border-radius: 0.375rem;
    background: var(--primary-color);
    color: #ffffff;
    font-size: 0.9rem;
    cursor: pointer;
    text-decoration: none;
    transition: background 0.2s;
}

.button:hover {
    background: var(--primary-hover);
}

.button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.button.secondary {
    background: var(--surface);
    color: var(--primary-color);
}

.button.secondary:hover {
    background: var(--background);
}

.button.danger {
    border-color: var(--error-color);
    background: var(--error-color);
}

.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    font-weight: 500;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    font-size: 1rem;
    background: var(--surface);
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-hint {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-top: 0.25rem;
}

.error-message {
    color: var(--error-color);
    margin-top: 1rem;
}

.success-message {
    color: var(--success-color);
    margin-top: 1rem;
}

/* ---- Страница входа ------------------------------------------------------------- */

body.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
}

.login-container {
    background: var(--surface);
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: var(--shadow);
    width: 100%;
    max-width: 400px;
}

.login-header {
    text-align: center;
    margin-bottom: 2rem;
}

.login-header h1 {
    color: var(--primary-color);
    margin: 0 0 0.5rem 0;
    font-size: 1.5rem;
}

.login-header p {
    color: var(--text-secondary);
    margin: 0;
}

.login-btn {
    width: 100%;
    padding: 0.75rem;
    background: var(--primary-color);
    color: #ffffff;
    border: none;
    border-radius: 0.5rem;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}

.login-btn:hover {
    background: var(--primary-hover);
}

.login-container .error-message {
    text-align: center;
}

/* ---- Баннер новой версии фронта (static/app/js/version-banner.js) ----------------- */

.version-banner {
    position: fixed;
    right: 1rem;
    bottom: 1rem;
    z-index: 1000;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    background: var(--surface);
    border: 1px solid var(--primary-color);
    border-radius: 0.5rem;
    box-shadow: var(--shadow-lg);
}

/* ---- Загрузка и пустые состояния ------------------------------------------------- */

.loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    padding: 2rem;
    color: var(--text-secondary);
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--border);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--text-secondary);
}

/* ---- Модальное окно подтверждения ------------------------------------------------- */

.modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-content {
    background: var(--surface);
    border-radius: 0.5rem;
    padding: 1.5rem;
    width: 90%;
    max-width: 480px;
    box-shadow: var(--shadow-lg);
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 0.5rem;
    margin-top: 1.5rem;
}

/* ---- Страницы списков: панель, таблица, меню строки ⋮, итог проверки --------------- */
/* Общие классы: «Подключения» (connections.html) и таблица графов. */

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
}

.page-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1rem;
}

.page-toolbar h2 {
    font-size: 1.25rem;
}

.list-status {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--surface);
    box-shadow: var(--shadow);
    border-radius: 0.5rem;
}

.data-table th,
.data-table td {
    padding: 0.5rem 0.75rem;
    border-bottom: 1px solid var(--border);
    text-align: left;
    vertical-align: middle;
}

.data-table th {
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 600;
}

.data-table tbody tr:last-child td {
    border-bottom: none;
}

.data-table tbody tr:hover {
    background: var(--background);
}

.data-table .numeric {
    text-align: right;
}

.data-table .cell-url {
    word-break: break-all;
}

.data-table .row-actions {
    width: 2.5rem;
    text-align: right;
}

.row-menu {
    position: relative;
    display: inline-block;
}

.row-menu-toggle {
    min-width: 2rem;
    padding: 0.25rem 0.5rem;
    border: none;
    border-radius: 0.25rem;
    background: none;
    color: var(--text-secondary);
    font-size: 1.1rem;
    line-height: 1;
    cursor: pointer;
}

.row-menu-toggle:hover {
    background: var(--border);
}

.row-menu-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    z-index: 500;
    min-width: 140px;
    margin-top: 0.25rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 0.25rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.row-menu-dropdown button {
    display: block;
    width: 100%;
    padding: 0.5rem 1rem;
    border: none;
    background: none;
    text-align: left;
    cursor: pointer;
    font-size: 0.85rem;
    color: var(--text-primary);
}

.row-menu-dropdown button:hover {
    background: var(--background);
}

.check-row {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    min-height: 2.5rem;
}

.check-result {
    color: var(--text-secondary);
}

.check-result.ok {
    color: var(--success-color);
}

.check-result.failed {
    color: var(--error-color);
}

.modal-content h3 {
    margin-bottom: 1rem;
}

/* ---- Мастер графа: широкое окно, звенья цепочки, подсказка направления ------------- */

.modal-content.modal-wide {
    max-width: 760px;
    max-height: 90vh;
    overflow-y: auto;
}

.chain-title {
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.chain-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.chain-link select {
    flex: 1;
    min-width: 0;
}

.chain-link .chain-arrow {
    color: var(--text-secondary);
}

.chain-link label {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    margin: 0;
    font-weight: normal;
    white-space: nowrap;
}

.chain-link input[type="checkbox"] {
    width: auto;
}

.chain-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.chain-hint {
    margin-top: 0.75rem;
    color: var(--text-secondary);
}

/* ---- Тултипы: открываются мгновенно (DEV «Тултипы») ------------------------------ */

.tooltip {
    position: absolute;
    pointer-events: none;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 0.375rem;
    box-shadow: var(--shadow);
    padding: 0.5rem 0.75rem;
    font-size: 0.85rem;
    z-index: 2000;
    transition: none;
}

/* ---- Графовый компонент (force-graph.js): холст, легенда, подсказка линии, меню узла -- */

.force-graph-host {
    position: relative;
    overflow: hidden;
}

.force-graph-host svg.force-graph {
    display: block;
    width: 100%;
    height: 100%;
}

.graph-legend {
    position: absolute;
    left: 0.5rem;
    bottom: 0.5rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    padding: 0.25rem 0.5rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 0.25rem;
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.graph-legend-item {
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.graph-link-tooltip {
    position: fixed;
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 4px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    padding: 4px 0;
    z-index: 10000;
    font-size: 11px;
    max-height: 350px;
    overflow-y: auto;
    min-width: 200px;
    max-width: 400px;
    transition: none;
}

.graph-link-tooltip .tooltip-direction {
    padding: 4px 10px 2px;
    font-size: 10px;
    font-weight: 600;
    color: var(--text-secondary);
    border-top: 1px solid #eee;
}

.graph-link-tooltip .tooltip-direction:first-child {
    border-top: none;
}

.graph-link-tooltip .tooltip-link {
    padding: 2px 10px 2px 18px;
    line-height: 1.3;
    word-break: break-word;
}

.graph-link-tooltip .tooltip-link-ends::before {
    content: " · ";
    color: var(--text-secondary);
}

.graph-link-tooltip a {
    color: #2563eb;
    text-decoration: none;
}

.graph-link-tooltip a:hover {
    text-decoration: underline;
}

.graph-context-menu {
    position: fixed;
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 4px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    padding: 4px 0;
    z-index: 10000;
    font-size: 13px;
}

.graph-context-menu-header {
    padding: 6px 12px;
    font-weight: bold;
    color: #333;
    border-bottom: 1px solid #eee;
    max-width: 250px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.graph-context-menu-item {
    display: block;
    width: 100%;
    padding: 6px 12px;
    border: none;
    background: none;
    text-align: left;
    cursor: pointer;
    color: #2563eb;
    font: inherit;
}

.graph-context-menu-item:hover {
    background: #f0f0f0;
}

/* ---- Страница графа (graph.html): тулбар, плашки, прогресс, холст ----------------- */
/* Перенос стилей вкладки «Граф систем» старого проекта (visualization.html). */

body.graph-page {
    height: 100vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    padding-top: var(--header-height);
}

.graph-toolbar {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
    padding: 0.3rem 1rem;
    background: var(--background);
    border-bottom: 1px solid var(--border);
}

.graph-back {
    font-size: 0.85rem;
    text-decoration: none;
    white-space: nowrap;
}

.graph-title {
    font-size: 1rem;
    margin: 0;
}

.graph-updated,
.graph-stats {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.graph-stats {
    margin-left: auto;
}

.graph-zoom {
    display: flex;
    gap: 0.25rem;
}

.reload-btn {
    padding: 0.2rem 0.5rem;
    background: var(--surface);
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
    border-radius: 0.25rem;
    cursor: pointer;
    font-size: 0.75rem;
    white-space: nowrap;
}

.reload-btn:hover:not(:disabled) {
    background: var(--primary-color);
    color: white;
}

.reload-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.graph-banner {
    padding: 0.4rem 1rem;
    background: #fef2f2;
    color: var(--error-color);
    border-bottom: 1px solid var(--border);
    font-size: 0.85rem;
    display: flex;
    gap: 0.75rem;
    align-items: center;
}

.graph-progress {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.4rem 1rem;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    font-size: 0.85rem;
}

.graph-progress .progress-bar-container {
    flex: 1;
    max-width: 400px;
    height: 12px;
    background: #e2e8f0;
    border-radius: 6px;
    overflow: hidden;
}

.graph-progress .progress-bar {
    height: 100%;
    width: 0;
    background: linear-gradient(90deg, #2563eb, #7c3aed);
}

.graph-progress-text {
    color: var(--text-secondary);
    white-space: nowrap;
}

.graph-message {
    padding: 0.4rem 1rem;
    color: var(--error-color);
    font-size: 0.85rem;
}

.graph-reason {
    color: var(--error-color);
    margin: 0.5rem 0 1rem;
}

.graph-no-links {
    padding: 0.3rem 1rem;
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.graph-wrapper {
    flex: 1;
    min-height: 0;
    display: flex;
    background: var(--background);
}

.graph-container {
    flex: 1;
    min-width: 0;
    height: 100%;
}

/* ---- Поиск и путь на графе (graph-search.js): боковая панель, подсказки пути ------ */

.graph-sidebar {
    width: 280px;
    min-width: 280px;
    height: 100%;
    border-right: 1px solid var(--border);
    background: var(--surface);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.sidebar-search {
    padding: 0.5rem;
    border-bottom: 1px solid var(--border);
}

.sidebar-search .search-input {
    width: 100%;
    box-sizing: border-box;
    padding: 0.35rem 0.5rem;
    border: 1px solid var(--border);
    border-radius: 0.25rem;
    font-size: 0.85rem;
    outline: none;
}

.sidebar-search .search-input:focus {
    border-color: var(--primary-color);
}

.sidebar-info {
    padding: 0.3rem 0.5rem;
    font-size: 0.75rem;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.sidebar-actions {
    display: flex;
    gap: 0.5rem;
}

.link-button {
    border: none;
    background: none;
    padding: 0;
    color: var(--primary-color);
    font-size: 0.75rem;
    cursor: pointer;
}

.link-button:hover {
    text-decoration: underline;
}

.search-results-list {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
}

.search-result-item {
    display: flex;
    align-items: flex-start;
    gap: 0.4rem;
    padding: 0.3rem 0.5rem;
    font-size: 0.8rem;
    cursor: pointer;
    user-select: none;
    border-bottom: 1px solid var(--border);
}

.search-result-item:hover {
    background: #f0f4ff;
}

.search-result-item.checked {
    background: #eef2ff;
}

.search-result-item input[type="checkbox"] {
    flex-shrink: 0;
    cursor: pointer;
    margin-top: 0.15rem;
}

.search-result-item .item-text {
    display: flex;
    flex-direction: column;
    min-width: 0;
    flex: 1;
}

.search-result-item .item-name,
.search-result-item .item-ends {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.search-result-item .item-ends {
    font-size: 0.7rem;
    color: var(--text-secondary);
}

.type-badge {
    font-size: 0.65rem;
    padding: 0.1rem 0.3rem;
    border-radius: 0.2rem;
    font-weight: bold;
    flex-shrink: 0;
    max-width: 7rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.type-badge.node {
    background: #dbeafe;
    color: #2563eb;
}

.type-badge.link {
    background: #fde68a;
    color: #92400e;
}

.path-finder {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    border-left: 1px solid var(--border);
    padding-left: 0.75rem;
}

.path-finder-label,
.path-finder-arrow {
    font-size: 0.75rem;
    color: var(--text-secondary);
    white-space: nowrap;
}

.search-wrapper {
    position: relative;
}

.search-input-sm {
    padding: 0.25rem 0.5rem;
    border: 1px solid var(--border);
    border-radius: 0.25rem;
    font-size: 0.8rem;
    width: 220px;
    outline: none;
}

.search-input-sm:focus {
    border-color: var(--primary-color);
}

.autocomplete-list {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 100%;
    width: max-content;
    max-width: 500px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-top: none;
    border-radius: 0 0 0.25rem 0.25rem;
    max-height: 250px;
    overflow-y: auto;
    z-index: 100;
    box-shadow: var(--shadow);
}

.autocomplete-item {
    padding: 0.4rem 0.5rem;
    cursor: pointer;
    font-size: 0.8rem;
    display: flex;
    align-items: flex-start;
    gap: 0.4rem;
    white-space: normal;
    word-break: break-word;
    line-height: 1.4;
}

.autocomplete-item:hover {
    background: var(--border);
}

.path-result {
    font-size: 0.75rem;
    color: var(--success-color);
    padding: 0.15rem 0.4rem;
    background: #ecfdf5;
    border-radius: 0.2rem;
}

.path-result.error {
    color: var(--error-color);
    background: #fef2f2;
}

/* ---- Панель свойств узла (props-panel.js): перенос панели старого графа ----------- */

.graph-props-panel {
    width: 300px;
    flex-shrink: 0;
    background: var(--surface);
    border-left: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.graph-props-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    padding: 0.5rem;
    border-bottom: 1px solid var(--border);
    font-weight: 600;
    font-size: 0.85rem;
    background: var(--background);
    flex-shrink: 0;
    word-break: break-word;
}

.graph-props-close {
    border: none;
    background: none;
    font-size: 1.1rem;
    line-height: 1;
    cursor: pointer;
    color: var(--text-secondary);
}

.graph-props-body {
    flex: 1;
    overflow-y: auto;
    padding: 0.5rem;
    font-size: 0.8rem;
}

.graph-props-group {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: var(--text-secondary);
    padding: 0.4rem 0 0.15rem;
    border-bottom: 1px solid var(--border);
    margin-bottom: 0.2rem;
}

.graph-props-group:first-child {
    padding-top: 0;
}

.graph-props-row {
    display: flex;
    padding: 0.2rem 0;
    gap: 0.4rem;
}

.graph-props-row .label {
    color: var(--text-secondary);
    min-width: 80px;
    max-width: 120px;
    flex-shrink: 0;
    font-size: 0.75rem;
    overflow: hidden;
    text-overflow: ellipsis;
}

.graph-props-row .value {
    word-break: break-word;
    font-size: 0.78rem;
}

.graph-props-rel-header {
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--text-secondary);
    padding: 0.3rem 0 0.15rem;
    border-bottom: 1px solid var(--border);
    margin: 0.3rem 0 0.15rem;
}

.graph-props-rel-item {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.2rem 0.3rem;
    font-size: 0.75rem;
    border-radius: 3px;
    text-decoration: none;
    color: var(--text-primary);
}

.graph-props-rel-item:hover {
    background: rgba(0, 0, 0, 0.05);
}

.graph-props-rel-dir {
    color: var(--text-secondary);
    flex-shrink: 0;
}

.graph-props-rel-name {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.graph-props-loading {
    padding: 0.5rem 0;
    font-size: 0.78rem;
    color: var(--text-secondary);
    text-align: center;
}