/* ========================================
   Компоненты интерфейса
   ======================================== */

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 500;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    font-family: inherit;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background: var(--primary-dark);
    box-shadow: var(--shadow-md);
}

.btn-success {
    background: var(--success);
    color: white;
}

.btn-success:hover {
    background: var(--accent-dark);
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background: var(--border-dark);
}

.btn-danger {
    background: var(--danger);
    color: white;
}

.btn-danger:hover {
    background: #dc2626;
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--border-dark);
    color: var(--text-primary);
}

.btn-outline:hover {
    background: var(--bg-tertiary);
}

.btn-sm {
    padding: 6px 12px;
    font-size: 13px;
}

.btn-lg {
    padding: 14px 28px;
    font-size: 16px;
}

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

/* Forms */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.form-label-required::after {
    content: " *";
    color: var(--danger);
}

.form-help {
    display: block;
    font-size: 13px;
    color: var(--text-secondary);
    margin-top: 6px;
}

.form-control {
    width: 100%;
    padding: 10px 14px;
    font-size: 14px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-primary);
    color: var(--text-primary);
    transition: all 0.2s ease;
    font-family: inherit;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.form-control:disabled {
    background: var(--bg-tertiary);
    cursor: not-allowed;
}

textarea.form-control {
    min-height: 100px;
    resize: vertical;
    font-family: var(--font-mono);
}

select.form-control {
    cursor: pointer;
}

.checkbox-group,
.radio-group {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
}

.checkbox-group input[type="checkbox"],
.radio-group input[type="radio"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.checkbox-group label,
.radio-group label {
    cursor: pointer;
    font-weight: normal;
    margin-bottom: 0;
}

/* Tabs */
.tabs {
    display: flex;
    gap: 4px;
    border-bottom: 2px solid var(--border-color);
    margin-bottom: 24px;
}

.tab-item {
    padding: 12px 20px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    transition: all 0.2s ease;
    margin-bottom: -2px;
}

.tab-item:hover {
    color: var(--text-primary);
}

.tab-item.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* Table */
.table {
    width: 100%;
    border-collapse: collapse;
}

.table th,
.table td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.table th {
    font-weight: 600;
    color: var(--text-primary);
    background: var(--bg-secondary);
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.table td {
    font-size: 14px;
    color: var(--text-primary);
}

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

.table-actions {
    display: flex;
    gap: 8px;
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    font-size: 12px;
    font-weight: 600;
    border-radius: 12px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.badge-primary {
    background: rgba(79, 70, 229, 0.1);
    color: var(--primary-color);
}

.badge-success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
}

.badge-warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning);
}

.badge-danger {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
}

/* Alerts */
.alert {
    padding: 16px 20px;
    border-radius: var(--radius-md);
    margin-bottom: 20px;
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.alert-info {
    background: rgba(59, 130, 246, 0.1);
    color: var(--info);
    border-left: 4px solid var(--info);
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
    border-left: 4px solid var(--success);
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning);
    border-left: 4px solid var(--warning);
}

.alert-danger {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
    border-left: 4px solid var(--danger);
}

/* Modal */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 9999;
    align-items: center;
    justify-content: center;
}

.modal-overlay.active {
    display: flex;
}

.modal {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow: auto;
}

.modal-header {
    padding: 24px;
    border-bottom: 1px solid var(--border-color);
}

.modal-title {
    font-size: 20px;
    font-weight: 600;
}

.modal-body {
    padding: 24px;
}

.modal-footer {
    padding: 16px 24px;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: 12px;
    justify-content: flex-end;
}

/* Loading */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 0.8s linear infinite;
}

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

/* Empty State */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-secondary);
}

.empty-state-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    opacity: 0.5;
}

.empty-state-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.empty-state-description {
    font-size: 14px;
    margin-bottom: 20px;
}

/* Code Editor Wrapper */
.code-editor-wrapper {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.editor-toolbar {
    background: var(--bg-tertiary);
    padding: 8px 12px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 12px;
    color: var(--text-secondary);
}

/* Variable List */
.variable-list {
    max-height: 400px;
    overflow-y: auto;
    padding: 12px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
}

.variable-item {
    padding: 10px 12px;
    margin-bottom: 8px;
    background: white;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.2s ease;
}

.variable-item:hover {
    background: var(--bg-tertiary);
    border-color: var(--primary-color);
}

.variable-name {
    font-family: var(--font-mono);
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 4px;
}

.variable-description {
    font-size: 12px;
    color: var(--text-secondary);
}