/* ===========================================
   VEKTORT13 Admin Panel - White/Black Theme
   =========================================== */

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

:root {
    /* Colors */
    --bg-main: #FFFFFF;
    --bg-sidebar: #1E1E1E;
    --text-primary: #1E1E1E;
    --text-sidebar: #FFFFFF;
    --text-secondary: #7F8C8D;
    --border: #E0E0E0;
    
    /* Button Colors */
    --btn-success: #4CAF50;
    --btn-danger: #F44336;
    --btn-primary: #4A90E2;
    
    /* Status Colors */
    --status-success: #4CAF50;
    --status-warning: #FF9800;
    --status-danger: #F44336;
    
    /* Shadow */
    --shadow: rgba(0, 0, 0, 0.1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--text-primary);
    background: var(--bg-main);
    display: flex;
    height: 100vh;
    overflow: hidden;
}

/* ===========================================
   SIDEBAR
   =========================================== */

.sidebar {
    width: 260px;
    background: var(--bg-sidebar);
    display: flex;
    flex-direction: column;
    padding: 20px 0;
}

.logo {
    padding: 0 20px 30px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 20px;
}

.logo h1 {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-sidebar);
    margin-bottom: 5px;
    letter-spacing: 2px;
}

.logo p {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.6);
}

.menu {
    flex: 1;
    padding: 0 10px;
}

.menu-item {
    display: flex;
    align-items: center;
    padding: 12px 15px;
    margin-bottom: 5px;
    border-radius: 8px;
    text-decoration: none;
    color: var(--text-sidebar);
    transition: all 0.2s;
    opacity: 0.8;
}

.menu-item:hover {
    background: rgba(255, 255, 255, 0.1);
    opacity: 1;
}

.menu-item.active {
    background: var(--btn-primary);
    opacity: 1;
    font-weight: 600;
}

.menu-item .icon {
    font-size: 18px;
    margin-right: 12px;
    width: 24px;
    text-align: center;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.menu-item .icon svg {
    width: 20px;
    height: 20px;
    display: block;
}

.sidebar-footer {
    padding: 0 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 20px;
}

/* Version Switcher */
.version-switcher {
    margin-bottom: 12px;
}

.version-btn {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 10px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-sidebar);
    font-size: 13px;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s;
}

.version-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-1px);
}

.version-btn .icon {
    margin-right: 6px;
    font-size: 14px;
}

.logout-btn {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 12px;
    border: none;
    border-radius: 8px;
    background: var(--btn-danger);
    color: #fff;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.logout-btn:hover {
    background: #D32F2F;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px var(--shadow);
}

/* ===========================================
   MAIN CONTENT
   =========================================== */

.main-content {
    flex: 1;
    overflow-y: auto;
    padding: 30px 40px;
}

.page {
    display: none;
}

.page.active {
    display: block;
    animation: fadeIn 0.3s;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.page-header {
    margin-bottom: 30px;
}

.page-header h2 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 5px;
}

.page-header p {
    font-size: 14px;
    color: var(--text-secondary);
}

.section {
    margin-bottom: 30px;
}

.section h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 15px;
}

/* ===========================================
   CARDS (CPU/RAM/Uptime)
   =========================================== */

.cards-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
    display: flex;
    align-items: center;
    box-shadow: 0 2px 4px var(--shadow);
    transition: all 0.2s;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--shadow);
}

.card-icon {
    font-size: 36px;
    margin-right: 15px;
}

.card-content {
    flex: 1;
}

.card-label {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 5px;
}

.card-value {
    font-size: 24px;
    font-weight: 700;
}

/* ===========================================
   STATUS CARD (VPN Status)
   =========================================== */

.status-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 25px;
    box-shadow: 0 2px 4px var(--shadow);
}

.status-row {
    display: flex;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
}

.status-row:last-child {
    border-bottom: none;
}

.status-row .label {
    font-weight: 600;
    width: 120px;
    color: var(--text-secondary);
}

.badge {
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
}

.badge-success {
    background: rgba(76, 175, 80, 0.1);
    color: var(--status-success);
}

.badge-danger {
    background: rgba(244, 67, 54, 0.1);
    color: var(--status-danger);
}

/* ===========================================
   CONNECTION HISTORY
   =========================================== */

.history-container {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 2px 4px var(--shadow);
    max-height: 400px;
    overflow-y: auto;
}

.connection-history {
    font-family: 'Monaco', 'Menlo', 'Consolas', monospace;
    font-size: 13px;
}

.history-loading {
    text-align: center;
    color: var(--text-secondary);
    padding: 20px;
}

.history-entry {
    display: flex;
    align-items: center;
    padding: 8px 12px;
    border-bottom: 1px solid var(--border);
    transition: background 0.2s;
}

.history-entry:last-child {
    border-bottom: none;
}

.history-entry:hover {
    background: rgba(0, 0, 0, 0.02);
}

.history-time {
    font-weight: 600;
    color: var(--text-secondary);
    min-width: 80px;
}

.history-latency {
    font-weight: 600;
    min-width: 80px;
}

.history-latency.good {
    color: #4CAF50;
}

.history-latency.fair {
    color: #FF9800;
}

.history-latency.poor {
    color: #F44336;
}

.history-ip {
    font-family: monospace;
    color: #1976D2;
    flex: 1;
    margin-left: 15px;
}

.history-mode {
    color: var(--text-secondary);
    font-size: 12px;
    margin-left: auto;
    background: rgba(0, 0, 0, 0.05);
    padding: 2px 8px;
    border-radius: 4px;
}

/* Scrollbar for history */
.history-container::-webkit-scrollbar {
    width: 8px;
}

.history-container::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 4px;
}

.history-container::-webkit-scrollbar-thumb {
    background: #888;
    border-radius: 4px;
}

.history-container::-webkit-scrollbar-thumb:hover {
    background: #555;
}

/* ===========================================
   BADGES
   =========================================== */

.highlight {
    color: var(--btn-primary);
    font-weight: 600;
}

.latency-good {
    color: var(--status-success);
    font-weight: 600;
}

.latency-fair {
    color: var(--status-warning);
    font-weight: 600;
}

.latency-poor {
    color: var(--status-danger);
    font-weight: 600;
}

/* ===========================================
   PING HISTORY
   =========================================== */

.ping-history {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 2px 4px var(--shadow);
}

.ping-item {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
    font-size: 14px;
}

.ping-item:last-child {
    border-bottom: none;
}

.ping-time {
    color: var(--text-secondary);
}

.ping-value {
    font-weight: 600;
}

.ping-value.success {
    color: var(--status-success);
}

.ping-value.warning {
    color: var(--status-warning);
}

.ping-value.danger {
    color: var(--status-danger);
}

/* ===========================================
   VPN CONTROL CARD
   =========================================== */

.vpn-control-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 25px;
    box-shadow: 0 2px 4px var(--shadow);
}

.vpn-status {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border);
}

.status-indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    margin-right: 10px;
    background: #ccc;
}

.status-indicator.active {
    background: var(--status-success);
    box-shadow: 0 0 8px var(--status-success);
}

.status-text {
    font-weight: 600;
}

.vpn-buttons {
    display: flex;
    gap: 10px;
}

/* ===========================================
   BUTTONS
   =========================================== */

.btn {
    flex: 1;
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    box-shadow: 0 2px 4px var(--shadow);
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px var(--shadow);
}

.btn:active {
    transform: translateY(0);
}

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

.btn-success:hover {
    background: #45A049;
}

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

.btn-danger:hover {
    background: #D32F2F;
}

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

.btn-primary:hover {
    background: #357ABD;
}

/* ===========================================
   LINK LIST
   =========================================== */

.link-list {
    display: grid;
    gap: 15px;
}

.link-item {
    display: flex;
    align-items: center;
    padding: 15px 20px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 12px;
    text-decoration: none;
    color: var(--text-primary);
    transition: all 0.2s;
    box-shadow: 0 2px 4px var(--shadow);
}

.link-item:hover {
    transform: translateX(5px);
    box-shadow: 0 4px 8px var(--shadow);
    border-color: var(--btn-primary);
}

.link-item .icon {
    font-size: 20px;
    margin-right: 15px;
}

.link-item .arrow {
    margin-left: auto;
    color: var(--text-secondary);
    font-size: 18px;
}

/* ===========================================
   LOGS PAGE
   =========================================== */

.log-controls {
    display: flex;
    gap: 10px;
    align-items: center;
    margin-bottom: 15px;
    padding: 15px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 12px;
    box-shadow: 0 2px 4px var(--shadow);
}

.btn-log {
    padding: 8px 16px;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: #fff;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
}

.btn-log:hover {
    background: #f5f5f5;
    transform: translateY(-1px);
}

.log-status {
    margin-left: auto;
    display: flex;
    align-items: center;
    font-size: 13px;
    font-weight: 600;
}

.log-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    margin-right: 8px;
    background: #ccc;
}

.log-indicator.live {
    background: var(--status-success);
    animation: pulse 2s infinite;
}

.log-indicator.paused {
    background: var(--status-warning);
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.log-container {
    background: #1E1E1E;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 2px 4px var(--shadow);
    max-height: 600px;
    overflow-y: auto;
}

.log-container pre {
    font-family: 'Monaco', 'Menlo', 'Consolas', 'Courier New', monospace;
    font-size: 13px;
    line-height: 1.6;
    color: #00CC88; /* Зелёный текст для логов */
    margin: 0;
    white-space: pre-wrap;
    word-wrap: break-word;
}

.log-content {
    font-family: 'Monaco', 'Menlo', 'Consolas', 'Courier New', monospace;
    font-size: 13px;
    line-height: 1.6;
    color: #00CC88; /* Мягкий зелёный - меньше нагрузки на глаза */
    margin: 0;
    white-space: pre-wrap;
    word-wrap: break-word;
}

/* Scrollbar styling for log container */
.log-container::-webkit-scrollbar {
    width: 10px;
}

.log-container::-webkit-scrollbar-track {
    background: #0a0a0a;
    border-radius: 5px;
}

.log-container::-webkit-scrollbar-thumb {
    background: #333;
    border-radius: 5px;
}

.log-container::-webkit-scrollbar-thumb:hover {
    background: #444;
}

/* ===========================================
   TOAST NOTIFICATIONS
   =========================================== */

.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.toast {
    min-width: 300px;
    padding: 16px 20px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    display: flex;
    align-items: center;
    gap: 12px;
    animation: slideIn 0.3s ease-out;
    border-left: 4px solid #4A90E2;
}

.toast.success {
    border-left-color: var(--status-success);
}

.toast.error {
    border-left-color: var(--status-danger);
}

.toast.info {
    border-left-color: var(--btn-primary);
}

.toast.warning {
    border-left-color: var(--status-warning);
}

.toast-icon {
    font-size: 24px;
    flex-shrink: 0;
}

.toast-content {
    flex: 1;
}

.toast-title {
    font-weight: 600;
    font-size: 14px;
    margin-bottom: 4px;
}

.toast-message {
    font-size: 13px;
    color: var(--text-secondary);
}

.toast-close {
    width: 20px;
    height: 20px;
    border: none;
    background: none;
    cursor: pointer;
    font-size: 20px;
    line-height: 1;
    color: var(--text-secondary);
    flex-shrink: 0;
}

.toast-close:hover {
    color: var(--text-primary);
}

@keyframes slideIn {
    from {
        transform: translateX(400px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideOut {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(400px);
        opacity: 0;
    }
}

.toast.removing {
    animation: slideOut 0.3s ease-out;
}

/* Loading state for buttons */
.btn.loading {
    position: relative;
    color: transparent;
    pointer-events: none;
}

.btn.loading::after {
    content: "";
    position: absolute;
    width: 16px;
    height: 16px;
    top: 50%;
    left: 50%;
    margin-left: -8px;
    margin-top: -8px;
    border: 2px solid white;
    border-radius: 50%;
    border-top-color: transparent;
    animation: spin 0.6s linear infinite;
}

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

/* ===========================================
   TABS
   =========================================== */

.tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 30px;
    border-bottom: 2px solid #e0e0e0;
    padding-bottom: 10px;
}

.tab-btn {
    padding: 12px 24px;
    background: transparent;
    border: none;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    transition: all 0.3s;
    border-bottom: 3px solid transparent;
    margin-bottom: -12px;
}

.tab-btn:hover {
    color: var(--text-primary);
    background: rgba(74, 144, 226, 0.05);
}

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

.tab-content {
    display: none;
    animation: fadeIn 0.3s ease-in;
}

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

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ===========================================
   FORMS
   =========================================== */

.form-grid {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 30px;
}

.form-row {
    display: grid;
    grid-template-columns: 200px 1fr;
    align-items: center;
    gap: 20px;
}

.form-row label {
    font-weight: 500;
    color: var(--text-primary);
}

.select-input {
    padding: 10px 15px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 14px;
    background: white;
    cursor: pointer;
    transition: border-color 0.3s;
}

.select-input:focus {
    outline: none;
    border-color: var(--btn-primary);
}

.switch {
    width: 50px;
    height: 26px;
    appearance: none;
    background: #ccc;
    border-radius: 13px;
    position: relative;
    cursor: pointer;
    transition: background 0.3s;
}

.switch:checked {
    background: var(--status-success);
}

.switch::before {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: white;
    top: 3px;
    left: 3px;
    transition: transform 0.3s;
}

.switch:checked::before {
    transform: translateX(24px);
}

.button-group {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

/* ===========================================
   NODE LIST
   =========================================== */

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.section-header h3 {
    margin: 0;
    flex: 1;
}

.node-item {
    background: white;
    border: 2px solid #e0e0e0;
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s;
}

.node-item:hover {
    border-color: var(--btn-primary);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.node-item.active {
    border-color: var(--status-success);
    background: rgba(76, 175, 80, 0.05);
}

.node-info {
    flex: 1;
}

.node-title {
    font-weight: 600;
    font-size: 16px;
    margin-bottom: 5px;
}

.node-details {
    font-size: 13px;
    color: var(--text-secondary);
}

.node-latency {
    font-size: 14px;
    font-weight: 600;
    color: var(--status-success);
    margin: 0 20px;
}

.node-actions {
    display: flex;
    gap: 10px;
}

.btn-icon {
    width: 36px;
    height: 36px;
    border: none;
    background: #f5f5f5;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    transition: all 0.3s;
}

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

.btn-icon.delete:hover {
    background: var(--status-danger);
}

/* OpenVPN */
.vpn-config-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    background: white;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    margin-bottom: 10px;
}

.vpn-config-info {
    flex: 0 1 auto;
    max-width: 600px;
    min-width: 200px;
}

.vpn-config-name {
    font-weight: 600;
    font-size: 16px;
}

.vpn-config-details {
    font-size: 13px;
    color: #666;
    margin-top: 5px;
}

.vpn-config-status {
    flex-shrink: 0;
    margin: 0 15px;
}

.vpn-config-actions {
    display: flex;
    gap: 8px;
    flex-shrink: 0;
    margin-left: auto;
}

.cards-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.card.clickable {
    cursor: pointer;
    transition: all 0.3s;
}

.card.clickable:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.status-card {
    background: white;
    padding: 20px;
    border-radius: 8px;
    border: 1px solid #e0e0e0;
}

.status-row {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid #f0f0f0;
}

.status-row:last-child {
    border-bottom: none;
}

.status-row .label {
    font-weight: 500;
    color: #666;
}

.badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 13px;
    font-weight: 500;
}

.badge-success {
    background: #d4edda;
    color: #155724;
}

.badge-warning {
    background: #fff3cd;
    color: #856404;
}

.badge-info {
    background: #d1ecf1;
    color: #0c5460;
}

.badge-secondary {
    background: #e0e0e0;
    color: #666;
}

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

/* OpenVPN Action Buttons - Same Width */
.btn-vpn-action {
    min-width: 100px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

/* Logs Modal */
.logs-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    z-index: 10000;
    align-items: center;
    justify-content: center;
}

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

.logs-modal-content {
    background: white;
    border-radius: 12px;
    width: 95%;
    max-width: 1200px;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.logs-modal-header {
    padding: 20px;
    border-bottom: 1px solid #e0e0e0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.logs-modal-close {
    background: none;
    border: none;
    font-size: 28px;
    cursor: pointer;
    color: #666;
    line-height: 1;
}

.logs-modal-close:hover {
    color: #000;
}

.logs-modal-toolbar {
    padding: 15px 20px;
    border-bottom: 1px solid #e0e0e0;
    display: flex;
    gap: 10px;
}

.logs-modal-body {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    font-family: 'Courier New', monospace;
    font-size: 13px;
    line-height: 1.6;
    background: #f5f5f5;
    min-height: 500px;
}

.log-line {
    margin-bottom: 4px;
    white-space: pre-wrap;
    word-break: break-all;
}

.log-line.error {
    color: #d32f2f;
    font-weight: 600;
}

.log-line.warning {
    color: #f57c00;
}

.log-line.notice {
    color: #1976d2;
}

.logs-modal-footer {
    padding: 15px 20px;
    border-top: 1px solid #e0e0e0;
    text-align: right;
}

.btn-info {
    background: #17a2b8;
    color: white;
}

.btn-info:hover {
    background: #138496;
}

/* ==================== NETWORK STYLES ==================== */

/* Tabs */
.tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    border-bottom: 2px solid #e5e7eb;
}

.tab-btn {
    padding: 12px 24px;
    background: none;
    border: none;
    border-bottom: 3px solid transparent;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    color: #6b7280;
    transition: all 0.3s;
}

.tab-btn:hover {
    color: #3b82f6;
}

.tab-btn.active {
    color: #3b82f6;
    border-bottom-color: #3b82f6;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.3s;
}

/* Interface Cards */
.interface-card {
    background: white;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 15px;
}

.interface-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 15px;
}

.interface-name {
    font-size: 18px;
    font-weight: 600;
    color: #1f2937;
}

.interface-type {
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
    text-transform: uppercase;
}

.interface-type.ethernet { background: #dbeafe; color: #1e40af; }
.interface-type.bridge { background: #fef3c7; color: #92400e; }
.interface-type.vpn { background: #d1fae5; color: #065f46; }
.interface-type.wireless { background: #e0e7ff; color: #3730a3; }
.interface-type.loopback { background: #f3f4f6; color: #4b5563; }

.status-badge {
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
}

.status-badge.up {
    background: #d1fae5;
    color: #065f46;
}

.status-badge.down {
    background: #fee2e2;
    color: #991b1b;
}

.status-badge.unknown {
    background: #f3f4f6;
    color: #6b7280;
}

.interface-details {
    margin-bottom: 15px;
}

.detail-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    margin-bottom: 8px;
}

.detail-item {
    display: flex;
    justify-content: space-between;
    padding: 8px;
    background: #f9fafb;
    border-radius: 4px;
}

.detail-item .label {
    font-weight: 500;
    color: #6b7280;
}

.detail-item .value {
    color: #1f2937;
    font-family: monospace;
}

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

/* Data Tables */
.data-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
}

.data-table th,
.data-table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid #e5e7eb;
}

.data-table th {
    background: #f9fafb;
    font-weight: 600;
    color: #374151;
    font-size: 14px;
}

.data-table td {
    font-size: 14px;
    color: #6b7280;
}

.data-table tbody tr:hover {
    background: #f9fafb;
}

/* DNS List */
.dns-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.dns-item {
    padding: 12px 16px;
    background: #f9fafb;
    border-left: 3px solid #3b82f6;
    border-radius: 4px;
    font-family: monospace;
}

/* Diagnostic Tools */
.diagnostic-tools {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.tool-card {
    background: white;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    padding: 20px;
}

.tool-card h4 {
    margin: 0 0 15px 0;
    color: #1f2937;
    font-size: 16px;
}

.tool-card input {
    width: 100%;
    padding: 10px;
    margin-bottom: 10px;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    font-size: 14px;
}

.tool-card input:focus {
    outline: none;
    border-color: #3b82f6;
}

.tool-card button {
    width: 100%;
    margin-bottom: 15px;
}

.results {
    margin-top: 15px;
    min-height: 50px;
}

.results-success {
    background: #f0fdf4;
    border: 1px solid #86efac;
    border-radius: 6px;
    padding: 15px;
}

.results-success h5 {
    margin: 0 0 10px 0;
    color: #166534;
    font-size: 14px;
}

.result-line {
    padding: 4px 0;
    font-family: monospace;
    font-size: 13px;
    color: #166534;
}

/* Badges */
.badge {
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
    text-transform: uppercase;
}

.badge.accept {
    background: #d1fae5;
    color: #065f46;
}

.badge.drop,
.badge.reject {
    background: #fee2e2;
    color: #991b1b;
}

/* Empty/Error States */
.empty {
    text-align: center;
    padding: 40px 20px;
    color: #9ca3af;
    font-size: 14px;
}

.error {
    background: #fee2e2;
    border: 1px solid #fecaca;
    color: #991b1b;
    padding: 12px;
    border-radius: 6px;
    font-size: 14px;
}

/* Button Sizes */
.btn-sm {
    padding: 6px 12px;
    font-size: 13px;
}

.btn-success {
    background: #10b981;
}

.btn-success:hover {
    background: #059669;
}

.btn-danger {
    background: #ef4444;
}

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

.btn-primary {
    background: #3b82f6;
}

.btn-primary:hover {
    background: #2563eb;
}

/* Advanced styles */
.admin-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:15px;margin-top:15px}
.admin-card{background:#fff;border:1px solid #e5e7eb;border-radius:8px;padding:15px}
.admin-card label{display:block;margin-bottom:8px;font-weight:500;color:#374151}
.admin-card input{width:100%;padding:10px;margin-bottom:10px;border:1px solid #d1d5db;border-radius:6px}
.admin-card button{width:100%}
.software-actions{display:flex;gap:10px;margin-bottom:15px;flex-wrap:wrap}
.software-actions input{flex:1;min-width:200px;padding:10px;border:1px solid #d1d5db;border-radius:6px}
.backup-actions{display:flex;gap:15px;margin-top:15px}
.btn-lg{padding:12px 24px;font-size:16px;font-weight:600}

/* Diagnostic results beautify */
.results-success{background:#eff6ff;border:2px solid #3b82f6;border-radius:12px;padding:20px;margin-top:15px}
.results-success h5{margin:0 0 15px 0;color:#1e40af;font-size:16px}
.result-line{padding:8px 0;border-bottom:1px solid #bfdbfe;color:#1e40af}
.result-line:last-child{border-bottom:none}
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(100px,1fr));gap:10px;margin:10px 0}
.stat-item{background:#fff;border:1px solid #bfdbfe;border-radius:8px;padding:12px;text-align:center}
.stat-label{display:block;font-size:11px;color:#6b7280;margin-bottom:4px;text-transform:uppercase}
.stat-value{display:block;font-size:16px;font-weight:600;color:#1e40af}

/* Tool inputs and results for Diagnostics */
.tool-input {
    width: 100%;
    padding: 8px 12px;
    margin: 8px 0;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 14px;
    transition: border-color 0.3s;
}

.tool-input:focus {
    outline: none;
    border-color: #4a90e2;
}

.tool-results {
    margin-top: 12px;
    padding: 12px;
    background: #f8f9fa;
    border-radius: 6px;
    font-family: monospace;
    font-size: 13px;
    white-space: pre-wrap;
    max-height: 300px;
    overflow-y: auto;
}

.tool-results:empty {
    display: none;
}

/* Packages Table Styles */
.packages-table {
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.packages-header {
    display: grid;
    grid-template-columns: 3fr 1fr;
    gap: 20px;
    padding: 15px 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    font-weight: 600;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.packages-body {
    max-height: 400px;
    overflow-y: auto;
}

.package-row {
    display: grid;
    grid-template-columns: 3fr 1fr;
    gap: 20px;
    padding: 12px 20px;
    border-bottom: 1px solid #f0f0f0;
    transition: background 0.2s;
}

.package-row:hover {
    background: #f8f9fa;
}

.package-row:last-child {
    border-bottom: none;
}

.package-name {
    font-family: 'Courier New', monospace;
    color: #2c3e50;
    font-size: 13px;
}

.package-version {
    color: #7f8c8d;
    font-size: 12px;
    text-align: right;
    font-family: monospace;
}

/* Scrollbar для packages-body */
.packages-body::-webkit-scrollbar {
    width: 8px;
}

.packages-body::-webkit-scrollbar-track {
    background: #f1f1f1;
}

.packages-body::-webkit-scrollbar-thumb {
    background: #888;
    border-radius: 4px;
}

.packages-body::-webkit-scrollbar-thumb:hover {
    background: #555;
}

/* Stat Card Styles for Advanced Page */
.stat-card {
    background: #fff;
    border: 1px solid #bfdbfe;
    border-radius: 8px;
    padding: 12px;
    display: flex;
    flex-direction: column;
    min-height: 160px;
}

.stat-icon {
    font-size: 28px;
    text-align: center;
    margin-bottom: 8px;
}

.stat-content {
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    gap: 8px;
}

.stat-label {
    display: block;
    font-size: 11px;
    color: #6b7280;
    margin-bottom: 4px;
    text-transform: uppercase;
    font-weight: 600;
}

.stat-value {
    display: block;
    font-size: 14px;
    color: #1e40af;
    margin-bottom: 8px;
}

.stat-content .btn {
    margin-top: auto;
    width: 100%; /* Make all buttons full width */
    max-width: 180px; /* But limit max width */
    flex: none; /* Override flex: 1 from parent */
}


/* Live Logs Indicator */
.log-status {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: #666;
}

.log-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #ccc;
}

.log-indicator.live {
    background: #10b981;
    animation: pulse 2s infinite;
}

.log-indicator.paused {
    background: #f59e0b;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* System Logs Page */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.logs-toolbar {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
    flex-wrap: wrap;
}

.log-container {
    background: #1E1E1E;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 2px 4px var(--shadow);
    max-height: 600px;
    overflow-y: auto;
    font-family: 'Courier New', monospace;
    font-size: 13px;
    line-height: 1.5;
}

#system-log-content {
    color: #d4d4d4;
    white-space: pre-wrap;
    word-wrap: break-word;
}

.log-line {
    margin-bottom: 2px;
    padding: 2px 0;
}

.log-line.error {
    color: #f87171;
}

.log-line.warning {
    color: #fbbf24;
}

.log-line.notice {
    color: #60a5fa;
}

.log-line.info {
    color: #a3e635;
}

/* OpenVPN Input Fields - Smooth Rounded Corners */
.text-input {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid #d1d5db;
    border-radius: 12px;
    font-size: 14px;
    transition: all 0.3s ease;
    background: white;
}

.text-input:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.text-input::placeholder {
    color: #9ca3af;
}

/* File input styling */
input[type="file"] {
    padding: 10px;
    border: 1px solid #d1d5db;
    border-radius: 12px;
    font-size: 14px;
    background: white;
    cursor: pointer;
}

input[type="file"]::-webkit-file-upload-button {
    padding: 8px 16px;
    border: none;
    border-radius: 8px;
    background: #3b82f6;
    color: white;
    cursor: pointer;
    margin-right: 10px;
    transition: background 0.3s ease;
}

input[type="file"]::-webkit-file-upload-button:hover {
    background: #2563eb;
}
/* ==================== TOAST NOTIFICATION STYLES ==================== */

.toast-notification {
    position: fixed;
    top: 20px;
    right: 20px;
    min-width: 250px;
    max-width: 400px;
    padding: 16px 20px;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    font-weight: 500;
    z-index: 10000;
    opacity: 0;
    transform: translateX(400px);
    transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.toast-notification.show {
    opacity: 1;
    transform: translateX(0);
}

.toast-icon {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    flex-shrink: 0;
}

/* Success toast */
.toast-success {
    border-left: 4px solid #10b981;
}

.toast-success .toast-icon {
    background: #10b981;
    color: white;
}

/* Error toast */
.toast-error {
    border-left: 4px solid #ef4444;
}

.toast-error .toast-icon {
    background: #ef4444;
    color: white;
}

/* Info toast */
.toast-info {
    border-left: 4px solid #3b82f6;
}

.toast-info .toast-icon {
    background: #3b82f6;
    color: white;
}

/* Responsive */
@media (max-width: 768px) {
    .toast-notification {
        right: 10px;
        left: 10px;
        max-width: none;
    }
}