/* ============================================
   Docker Orchestrator v0.2.0 - Main Styles
   Modern Dark Theme with Blue Accents
   ============================================ */

:root {
    /* Primary Colors */
    --primary-color: #0d6efd;
    --primary-dark: #0a58ca;
    --primary-light: #6ea8fe;
    
    /* Success/Warning/Danger */
    --success-color: #198754;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --info-color: #0dcaf0;
    
    /* Dark Theme Colors */
    --bg-primary: #0f1419;
    --bg-secondary: #1a1f2e;
    --bg-tertiary: #252d3d;
    --bg-hover: #2d3748;
    
    /* Text Colors */
    --text-primary: #e8eaed;
    --text-secondary: #a8b2c1;
    --text-muted: #6c757d;
    
    /* Border Colors */
    --border-color: #2d3748;
    --border-light: #3d4758;
    
    /* Shadow */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.5);
    
    /* Spacing */
    --navbar-height: 60px;
    --sidebar-width: 250px;
    
    /* Animation */
    --transition-speed: 0.3s;
}

/* ============================================
   Base & Reset
   ============================================ */

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition-speed);
}

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

/* ============================================
   Layout Structure
   ============================================ */

.app-container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    z-index: 1000;
    transition: transform var(--transition-speed);
}

.sidebar-header {
    padding: 1.5rem 1.25rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.sidebar-logo {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
    font-size: 1.25rem;
}

.sidebar-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

.sidebar-version {
    font-size: 0.75rem;
    color: var(--text-secondary);
    display: block;
    margin-top: -4px;
}

/* Navigation Menu */
.nav-menu {
    list-style: none;
    padding: 1rem 0;
}

.nav-item {
    margin: 0.25rem 0.75rem;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    color: var(--text-secondary);
    border-radius: 8px;
    transition: all var(--transition-speed);
    cursor: pointer;
}

.nav-link:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
    transform: translateX(4px);
}

.nav-link.active {
    background: var(--primary-color);
    color: white;
}

.nav-link i {
    font-size: 1.1rem;
    width: 20px;
    text-align: center;
}

.nav-badge {
    margin-left: auto;
    padding: 0.125rem 0.5rem;
    background: var(--bg-tertiary);
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
}

.nav-link.active .nav-badge {
    background: rgba(255, 255, 255, 0.2);
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    background: var(--bg-primary);
}

/* Top Navbar */
.top-navbar {
    height: var(--navbar-height);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2rem;
    position: sticky;
    top: 0;
    z-index: 999;
}

.navbar-left {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.page-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.navbar-right {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

/* User Menu */
.user-menu {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 1rem;
    background: var(--bg-tertiary);
    border-radius: 8px;
    cursor: pointer;
    transition: background var(--transition-speed);
}

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

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: 0.9rem;
}

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

.user-name {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
}

.user-role {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* Content Area */
.content-area {
    padding: 2rem;
    min-height: calc(100vh - var(--navbar-height));
}

/* ============================================
   Components
   ============================================ */

/* Cards */
.card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-speed);
}

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

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

.card-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.card-body {
    color: var(--text-secondary);
}

/* Stat Cards */
.stat-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
    transition: all var(--transition-speed);
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.stat-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 1rem;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
}

.stat-icon.primary {
    background: rgba(13, 110, 253, 0.2);
    color: var(--primary-color);
}

.stat-icon.success {
    background: rgba(25, 135, 84, 0.2);
    color: var(--success-color);
}

.stat-icon.warning {
    background: rgba(255, 193, 7, 0.2);
    color: var(--warning-color);
}

.stat-icon.danger {
    background: rgba(220, 53, 69, 0.2);
    color: var(--danger-color);
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Badges */
.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-success {
    background: rgba(25, 135, 84, 0.2);
    color: var(--success-color);
}

.badge-warning {
    background: rgba(255, 193, 7, 0.2);
    color: var(--warning-color);
}

.badge-danger {
    background: rgba(220, 53, 69, 0.2);
    color: var(--danger-color);
}

.badge-info {
    background: rgba(13, 202, 240, 0.2);
    color: var(--info-color);
}

.badge-secondary {
    background: rgba(108, 117, 125, 0.2);
    color: var(--text-secondary);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    border: none;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-speed);
    text-decoration: none;
}

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

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

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

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

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

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

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

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.8rem;
}

/* Tables */
.table-container {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
}

table {
    width: 100%;
    border-collapse: collapse;
}

thead {
    background: var(--bg-tertiary);
}

th {
    padding: 1rem;
    text-align: left;
    font-weight: 600;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-color);
}

td {
    padding: 1rem;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
}

tbody tr {
    transition: background var(--transition-speed);
}

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

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 0.9rem;
    transition: all var(--transition-speed);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(13, 110, 253, 0.2);
}

.form-control::placeholder {
    color: var(--text-muted);
}

/* Modals */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    z-index: 9999;
    align-items: center;
    justify-content: center;
}

.modal.show {
    display: flex;
}

.modal-content {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
}

.modal-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: color var(--transition-speed);
}

.modal-close:hover {
    color: var(--danger-color);
}

/* Alerts */
.alert {
    padding: 1rem 1.25rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.alert-success {
    background: rgba(25, 135, 84, 0.2);
    border-left: 4px solid var(--success-color);
    color: var(--success-color);
}

.alert-danger {
    background: rgba(220, 53, 69, 0.2);
    border-left: 4px solid var(--danger-color);
    color: var(--danger-color);
}

.alert-warning {
    background: rgba(255, 193, 7, 0.2);
    border-left: 4px solid var(--warning-color);
    color: var(--warning-color);
}

.alert-info {
    background: rgba(13, 202, 240, 0.2);
    border-left: 4px solid var(--info-color);
    color: var(--info-color);
}

/* Loading Spinner */
.spinner {
    border: 3px solid var(--border-color);
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ============================================
   Utilities
   ============================================ */

.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--text-muted); }
.text-primary { color: var(--primary-color); }
.text-success { color: var(--success-color); }
.text-danger { color: var(--danger-color); }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.d-flex { display: flex; }
.align-items-center { align-items: center; }
.justify-content-between { justify-content: space-between; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }

.hidden { display: none !important; }

/* ============================================
   Responsive Design
   ============================================ */

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.mobile-open {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .content-area {
        padding: 1rem;
    }
    
    .top-navbar {
        padding: 0 1rem;
    }
    
    .user-info {
        display: none;
    }
    
    :root {
        --sidebar-width: 280px;
    }
}

/* ============================================
   Print Styles
   ============================================ */

@media print {
    .sidebar,
    .top-navbar,
    .btn,
    .modal {
        display: none !important;
    }
    
    .main-content {
        margin-left: 0;
    }
}