/**
 * PatchSync Dashboard Styles
 * Modern, professional dashboard design
 */

:root {
    --primary-color: #2563eb;
    --success-color: #10b981;
    --error-color: #ef4444;
    --warning-color: #f59e0b;
    --info-color: #3b82f6;
    --text-color: #1f2937;
    --text-muted: #6b7280;
    --border-color: #e5e7eb;
    --bg-light: #f9fafb;
    --sidebar-width: 250px;
    --header-height: 64px;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-color);
    background: var(--bg-light);
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: var(--sidebar-width);
    right: 0;
    height: var(--header-height);
    background: white;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 32px;
    z-index: 100;
}

.header-left h1 {
    font-size: 20px;
    font-weight: 600;
    margin: 0;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.user-menu {
    display: flex;
    align-items: center;
    gap: 12px;
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--primary-color);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
}

.user-info {
    display: flex;
    flex-direction: column;
}

.user-name {
    font-weight: 500;
    font-size: 14px;
}

.user-email {
    font-size: 12px;
    color: var(--text-muted);
}

/* Sidebar */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: var(--sidebar-width);
    background: white;
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    z-index: 101;
}

.sidebar-logo {
    height: var(--header-height);
    display: flex;
    align-items: center;
    padding: 0 24px;
    border-bottom: 1px solid var(--border-color);
}

.logo-text {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary-color);
}

.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    padding: 16px 0;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 24px;
    color: var(--text-color);
    text-decoration: none;
    transition: all 0.2s;
    cursor: pointer;
}

.nav-item:hover {
    background: var(--bg-light);
}

.nav-item.active {
    background: var(--bg-light);
    color: var(--primary-color);
    border-left: 3px solid var(--primary-color);
    padding-left: 21px;
}

.nav-icon {
    font-size: 18px;
}

.nav-section {
    margin-top: 24px;
    padding: 0 24px;
}

.nav-section-title {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--text-muted);
    letter-spacing: 0.5px;
    margin-bottom: 8px;
    display: block;
}

.sidebar-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border-color);
}

/* Main Content */
.main-content {
    margin-left: var(--sidebar-width);
    margin-top: var(--header-height);
    padding: 32px;
    min-height: calc(100vh - var(--header-height));
}

.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 32px;
}

.page-header h1 {
    font-size: 28px;
    font-weight: 700;
    margin: 0 0 4px 0;
}

.page-header p {
    color: var(--text-muted);
    margin: 0;
}

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

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

.btn-primary:hover {
    background: #1d4ed8;
}

.btn-secondary {
    background: var(--bg-light);
    color: var(--text-color);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: #f3f4f6;
}

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

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

.btn-icon {
    padding: 8px;
    background: transparent;
    border: none;
    cursor: pointer;
    border-radius: 6px;
    transition: background 0.2s;
}

.btn-icon:hover {
    background: var(--bg-light);
}

.icon {
    font-size: 16px;
}

/* Stats Row */
.stats-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 32px;
}

/* Toolbar */
.toolbar {
    display: flex;
    gap: 16px;
    margin-bottom: 24px;
}

.search-box {
    flex: 1;
}

.search-box input {
    width: 100%;
    padding: 10px 16px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 14px;
}

.filters select {
    padding: 10px 16px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 14px;
    background: white;
}

/* VM Grid */
.vm-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 24px;
}

.vm-card {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    transition: box-shadow 0.2s;
}

.vm-card:hover {
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

.vm-card-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 16px;
}

.vm-name {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.vm-name strong {
    font-size: 16px;
}

.status-badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
}

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

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

.status-pending {
    background: #fef3c7;
    color: #92400e;
}

.vm-actions {
    display: flex;
    gap: 4px;
}

.vm-card-body {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.vm-detail {
    display: flex;
    justify-content: space-between;
    font-size: 13px;
}

.vm-detail .label {
    color: var(--text-muted);
}

.vm-detail .value {
    font-weight: 500;
}

.vm-detail.warning {
    color: var(--warning-color);
    font-size: 12px;
}

.vm-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-top: 8px;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
}

.stat {
    text-align: center;
}

.stat-card {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    text-align: center;
}

.stat-value {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 4px;
}

.stat-label {
    font-size: 11px;
    color: var(--text-muted);
    text-transform: uppercase;
}

.text-danger {
    color: var(--error-color) !important;
}

.text-muted {
    color: var(--text-muted) !important;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-content {
    background: white;
    border-radius: 12px;
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h2 {
    font-size: 20px;
    font-weight: 600;
    margin: 0;
}

.close-btn {
    background: none;
    border: none;
    font-size: 28px;
    cursor: pointer;
    color: var(--text-muted);
    line-height: 1;
}

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

.modal-content form {
    padding: 24px;
}

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

.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: 6px;
    font-size: 14px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 14px;
    font-family: inherit;
}

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

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

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

/* Alerts */
.alert {
    position: fixed;
    top: calc(var(--header-height) + 16px);
    right: 16px;
    padding: 16px 20px;
    border-radius: 8px;
    background: white;
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    z-index: 2000;
    max-width: 400px;
    animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.alert-success {
    border-left: 4px solid var(--success-color);
}

.alert-error {
    border-left: 4px solid var(--error-color);
}

.alert-warning {
    border-left: 4px solid var(--warning-color);
}

.alert-info {
    border-left: 4px solid var(--info-color);
}

/* Loading and Empty States */
.loading,
.empty-state,
.error-message {
    text-align: center;
    padding: 48px 24px;
    color: var(--text-muted);
}

.error-message {
    color: var(--error-color);
}

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

.data-table thead th {
    text-align: left;
    padding: 12px 16px;
    background: var(--bg-light);
    font-weight: 600;
    font-size: 13px;
    color: var(--text-color);
    border-bottom: 2px solid var(--border-color);
}

.data-table tbody tr {
    border-bottom: 1px solid var(--border-color);
}

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

.data-table tbody td {
    padding: 16px;
    font-size: 14px;
}

.data-table tbody td small {
    font-size: 12px;
    color: var(--text-muted);
}

/* Badges */
.badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.badge-primary {
    background: #dbeafe;
    color: #1e40af;
}

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

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

.badge-warning {
    background: #fef3c7;
    color: #92400e;
}

.badge-info {
    background: #dbeafe;
    color: #1e40af;
}

/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s;
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .header {
        left: 0;
    }

    .main-content {
        margin-left: 0;
    }

    .vm-grid {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }
}

/* Toast Notifications */
.toast {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 16px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    border-left: 4px solid var(--info-color);
    animation: slideIn 0.3s ease-out;
    position: relative;
    overflow: hidden;
}

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

.toast-success .toast-icon {
    color: var(--success-color);
}

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

.toast-error .toast-icon {
    color: var(--error-color);
}

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

.toast-warning .toast-icon {
    color: var(--warning-color);
}

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

.toast-info .toast-icon {
    color: var(--info-color);
}

.toast-icon {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.toast-content {
    flex: 1;
    min-width: 0;
}

.toast-message {
    font-size: 14px;
    line-height: 1.5;
    color: var(--text-color);
    word-wrap: break-word;
}

.toast-close {
    flex-shrink: 0;
    background: none;
    border: none;
    font-size: 20px;
    cursor: pointer;
    color: var(--text-muted);
    padding: 0;
    line-height: 1;
    opacity: 0.6;
    transition: opacity 0.2s;
}

.toast-close:hover {
    opacity: 1;
}

.toast-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 3px;
    background: currentColor;
    opacity: 0.3;
    animation: progressShrink linear forwards;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideOut {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(100%);
        opacity: 0;
    }
}

@keyframes progressShrink {
    from {
        width: 100%;
    }
    to {
        width: 0%;
    }
}

/* Loading Overlay */
#loading-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 3000;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(2px);
}

#loading-overlay.active {
    display: flex;
}

.loading-content {
    background: white;
    padding: 32px 48px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.loading-spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 16px;
}

.loading-message {
    font-size: 16px;
    color: var(--text-color);
    font-weight: 500;
}

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