/* Main CSS Framework for Central Server */
/* Version 1.0.0 */

/* ============================================
   1. CSS Variables & Root Settings
   ============================================ */
:root {
    /* Color Palette */
    --primary: #667eea;
    --primary-dark: #5a67d8;
    --primary-light: #7c8ff0;
    --secondary: #764ba2;
    --secondary-dark: #5e3a82;
    --success: #48bb78;
    --success-dark: #38a169;
    --danger: #f56565;
    --danger-dark: #e53e3e;
    --warning: #ed8936;
    --warning-dark: #dd6b20;
    --info: #4299e1;
    --info-dark: #3182ce;
    --dark: #1a202c;
    --gray: #718096;
    --gray-light: #a0aec0;
    --light: #f7fafc;
    --white: #ffffff;
    
    /* Layout */
    --sidebar-width: 250px;
    --header-height: 70px;
    --content-padding: 30px;
    --card-padding: 25px;
    --border-radius: 8px;
    --border-radius-sm: 4px;
    --border-radius-lg: 12px;
    
    /* Typography */
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    --font-family-mono: 'Monaco', 'Courier New', monospace;
    --font-size-base: 14px;
    --font-size-sm: 12px;
    --font-size-lg: 16px;
    --font-size-xl: 20px;
    --font-size-xxl: 24px;
    --line-height: 1.6;
    
    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
    --shadow: 0 2px 10px rgba(0,0,0,0.08);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.1);
    --shadow-xl: 0 20px 40px rgba(0,0,0,0.15);
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Z-index */
    --z-dropdown: 1000;
    --z-modal: 2000;
    --z-tooltip: 3000;
    --z-notification: 4000;
}

/* Dark Mode Variables */
[data-theme="dark"] {
    --dark: #ffffff;
    --light: #1a202c;
    --white: #0f1419;
    --gray: #cbd5e0;
}

/* ============================================
   2. Reset & Base Styles
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: var(--font-size-base);
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background: var(--light);
    color: var(--dark);
    line-height: var(--line-height);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ============================================
   3. Typography
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--dark);
}

h1 { font-size: 2rem; }
h2 { font-size: 1.75rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.1rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: 1rem;
    line-height: var(--line-height);
}

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

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

code, pre {
    font-family: var(--font-family-mono);
    background: var(--light);
    border-radius: var(--border-radius-sm);
}

code {
    padding: 2px 6px;
    font-size: 0.9em;
}

pre {
    padding: 1rem;
    overflow-x: auto;
}

/* ============================================
   4. Layout Components
   ============================================ */
.dashboard-container {
    display: flex;
    min-height: 100vh;
    background: var(--light);
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background: var(--dark);
    color: var(--white);
    box-shadow: 2px 0 10px rgba(0,0,0,0.1);
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    z-index: 100;
    transition: transform var(--transition);
}

.sidebar-header {
    padding: 25px 20px;
    background: rgba(255,255,255,0.05);
    border-bottom: 1px solid rgba(255,255,255,0.1);
    text-align: center;
}

.sidebar-header h2 {
    color: var(--white);
    font-size: 1.3rem;
    margin: 0;
}

.sidebar-nav {
    padding: 15px 0;
}

.sidebar-nav ul {
    list-style: none;
}

.sidebar-nav li {
    margin-bottom: 2px;
}

.sidebar-nav a {
    display: flex;
    align-items: center;
    padding: 12px 20px;
    color: #cbd5e0;
    transition: all var(--transition);
}

.sidebar-nav a:hover,
.sidebar-nav a.active {
    background: rgba(102, 126, 234, 0.2);
    color: var(--white);
    padding-left: 30px;
}

.sidebar-nav a i,
.sidebar-nav a .icon {
    margin-right: 10px;
    width: 20px;
    text-align: center;
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: var(--content-padding);
    max-width: calc(100% - var(--sidebar-width));
    width: 100%;
}

/* Content Header */
.content-header {
    background: var(--white);
    padding: 20px 25px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
    margin-bottom: 25px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.content-header h1 {
    color: var(--dark);
    font-size: 1.8rem;
    margin: 0;
}

.header-actions {
    display: flex;
    gap: 10px;
    align-items: center;
}

/* ============================================
   5. Cards & Containers
   ============================================ */
.card {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
    margin-bottom: 20px;
    overflow: hidden;
}

.card-header {
    padding: 20px var(--card-padding);
    border-bottom: 2px solid var(--light);
    font-weight: 600;
    font-size: 1.1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-body {
    padding: var(--card-padding);
}

.card-footer {
    padding: 15px var(--card-padding);
    background: var(--light);
    border-top: 1px solid #e2e8f0;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: var(--white);
    padding: 25px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    text-align: center;
    transition: transform var(--transition);
}

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

.stat-card h3 {
    font-size: 2rem;
    margin-bottom: 10px;
    color: var(--primary);
}

.stat-card p {
    color: var(--gray);
    margin: 0;
}

/* Status Grid */
.status-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.status-item {
    padding: 20px;
    background: linear-gradient(135deg, var(--light), #edf2f7);
    border-radius: 10px;
    border-left: 4px solid var(--primary);
    min-height: 120px;
}

.status-item strong {
    display: block;
    color: var(--gray);
    margin-bottom: 10px;
    font-size: 0.9rem;
    text-transform: uppercase;
}

.status-value {
    color: var(--dark);
    font-size: 1.1rem;
    font-weight: 600;
    line-height: 1.5;
}

/* ============================================
   6. Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--white);
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-weight: 600;
    font-size: 14px;
    text-decoration: none;
    transition: all var(--transition);
    white-space: nowrap;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
    color: var(--white);
}

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

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* Button Variants */
.btn-success {
    background: linear-gradient(135deg, var(--success), var(--success-dark));
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger), var(--danger-dark));
}

.btn-warning {
    background: linear-gradient(135deg, var(--warning), var(--warning-dark));
}

.btn-info {
    background: linear-gradient(135deg, var(--info), var(--info-dark));
}

.btn-secondary {
    background: linear-gradient(135deg, var(--gray), var(--gray-light));
}

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

.btn-lg {
    padding: 12px 24px;
    font-size: 16px;
}

/* Button Groups */
.btn-group {
    display: inline-flex;
    gap: 5px;
}

.command-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 10px;
    margin: 20px 0;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--dark);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 12px;
    border: 2px solid #e2e8f0;
    border-radius: var(--border-radius);
    font-size: 14px;
    transition: all var(--transition);
    background: var(--white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

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

.input-group {
    display: flex;
    gap: 10px;
    align-items: center;
}

.input-group input,
.input-group select {
    flex: 1;
}

.form-check {
    display: flex;
    align-items: center;
    margin-bottom: 10px;
}

.form-check input[type="checkbox"],
.form-check input[type="radio"] {
    width: auto;
    margin-right: 8px;
}

/* ============================================
   8. Tables
   ============================================ */
.table-wrapper {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
    overflow: hidden;
}

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

th, td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid #e2e8f0;
}

th {
    background: var(--light);
    font-weight: 600;
    color: var(--gray);
    font-size: 0.9rem;
    text-transform: uppercase;
}

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

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

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

/* ============================================
   9. Alerts & Notifications
   ============================================ */
.alert {
    padding: 15px 20px;
    margin: 20px 0;
    border-radius: var(--border-radius);
    font-weight: 500;
    animation: slideIn var(--transition);
    display: none;
}

.alert.show {
    display: block;
}

.alert-success {
    background: #c6f6d5;
    color: #22543d;
    border: 1px solid #9ae6b4;
}

.alert-error {
    background: #fed7d7;
    color: #742a2a;
    border: 1px solid #fc8181;
}

.alert-warning {
    background: #feebc8;
    color: #744210;
    border: 1px solid #fbd38d;
}

.alert-info {
    background: #bee3f8;
    color: #2c5282;
    border: 1px solid #90cdf4;
}

/* ============================================
   10. Modals
   ============================================ */
.modal {
    display: none;
    position: fixed;
    z-index: var(--z-modal);
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
    animation: fadeIn var(--transition);
}

.modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.modal-header {
    padding: 20px 25px;
    border-bottom: 1px solid #e2e8f0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h2 {
    margin: 0;
    color: var(--dark);
}

.modal-body {
    padding: 25px;
}

.modal-footer {
    padding: 15px 25px;
    border-top: 1px solid #e2e8f0;
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

.close {
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    color: var(--gray);
    transition: color var(--transition-fast);
}

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

/* ============================================
   11. Status Badges
   ============================================ */
.status-badge,
.device-status {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
}

.status-online {
    background: #c6f6d5;
    color: #22543d;
}

.status-offline {
    background: #fed7d7;
    color: #742a2a;
}

.status-unknown {
    background: #feebc8;
    color: #744210;
}

.status-active {
    background: #c6f6d5;
    color: #22543d;
}

.status-inactive {
    background: #fed7d7;
    color: #742a2a;
}

/* ============================================
   12. Terminal & Code
   ============================================ */
.terminal {
    background: var(--dark);
    color: #68d391;
    padding: 20px;
    font-family: var(--font-family-mono);
    border-radius: var(--border-radius);
    font-size: 14px;
    line-height: 1.6;
    overflow-y: auto;
    box-shadow: inset 0 2px 10px rgba(0,0,0,0.3);
    min-height: 200px;
    max-height: 500px;
}

.terminal-input-wrapper {
    background: #2d3748;
    padding: 15px;
    border-radius: var(--border-radius);
    margin-top: 15px;
    display: flex;
    align-items: center;
}

.terminal-prompt {
    color: #68d391;
    font-family: var(--font-family-mono);
    margin-right: 10px;
    white-space: nowrap;
}

.terminal-input {
    flex: 1;
    background: transparent;
    color: #68d391;
    border: none;
    font-family: var(--font-family-mono);
    font-size: 14px;
    outline: none;
}

.code-block {
    background: #2d3748;
    color: #e2e8f0;
    padding: 15px;
    border-radius: var(--border-radius);
    font-family: var(--font-family-mono);
    font-size: 13px;
    overflow-x: auto;
}

/* ============================================
   13. Tabs
   ============================================ */
.tabs {
    display: flex;
    gap: 5px;
    margin-bottom: 25px;
    background: var(--white);
    padding: 10px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
    flex-wrap: wrap;
}

.tab {
    padding: 10px 20px;
    color: var(--gray);
    text-decoration: none;
    border-radius: var(--border-radius);
    transition: all var(--transition);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
}

.tab:hover {
    background: var(--light);
    color: var(--dark);
}

.tab.active {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: var(--white);
}

/* ============================================
   14. Utilities
   ============================================ */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-primary { color: var(--primary); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-warning { color: var(--warning); }
.text-info { color: var(--info); }
.text-muted { color: var(--gray); }

.bg-primary { background: var(--primary); }
.bg-success { background: var(--success); }
.bg-danger { background: var(--danger); }
.bg-warning { background: var(--warning); }
.bg-info { background: var(--info); }
.bg-light { background: var(--light); }
.bg-dark { background: var(--dark); }

.m-0 { margin: 0; }
.m-1 { margin: 0.5rem; }
.m-2 { margin: 1rem; }
.m-3 { margin: 1.5rem; }
.m-4 { margin: 2rem; }
.m-5 { margin: 3rem; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mt-5 { margin-top: 3rem; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.mb-5 { margin-bottom: 3rem; }

.p-0 { padding: 0; }
.p-1 { padding: 0.5rem; }
.p-2 { padding: 1rem; }
.p-3 { padding: 1.5rem; }
.p-4 { padding: 2rem; }
.p-5 { padding: 3rem; }

.w-100 { width: 100%; }
.h-100 { height: 100%; }

.d-none { display: none; }
.d-block { display: block; }
.d-inline { display: inline; }
.d-inline-block { display: inline-block; }
.d-flex { display: flex; }
.d-grid { display: grid; }

.flex-row { flex-direction: row; }
.flex-column { flex-direction: column; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.align-center { align-items: center; }
.flex-wrap { flex-wrap: wrap; }
.flex-1 { flex: 1; }

.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.gap-3 { gap: 1.5rem; }
.gap-4 { gap: 2rem; }

.rounded { border-radius: var(--border-radius); }
.rounded-sm { border-radius: var(--border-radius-sm); }
.rounded-lg { border-radius: var(--border-radius-lg); }
.rounded-full { border-radius: 50%; }

.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow { box-shadow: var(--shadow); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.shadow-xl { box-shadow: var(--shadow-xl); }

/* Loading Spinner */
.loading-spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid var(--light);
    border-top: 2px solid var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-left: 10px;
}

/* Admin Badge */
.admin-badge {
    background: var(--secondary);
    color: var(--white);
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 11px;
    margin-left: 5px;
}

/* Permission Warning */
.permission-warning {
    background: #fed7d7;
    color: #742a2a;
    padding: 12px;
    border-radius: var(--border-radius);
    margin: 15px 0;
    display: flex;
    align-items: center;
    gap: 10px;
}

/* API Key Display */
.api-key {
    font-family: var(--font-family-mono);
    background: var(--light);
    padding: 5px;
    border-radius: 3px;
    word-break: break-all;
    font-size: 11px;
}

/* Search Box */
.search-box {
    background: var(--white);
    padding: 15px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    margin-bottom: 20px;
    display: flex;
    gap: 10px;
    align-items: center;
}

.search-box input[type="text"] {
    flex: 1;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: var(--border-radius-sm);
    font-size: 14px;
}

.search-box input[type="text"]:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(102, 126, 234, 0.2);
}

/* ============================================
   15. Animations
   ============================================ */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* ============================================
   16. Responsive Design
   ============================================ */
@media (max-width: 1200px) {
    .main-content {
        padding: 20px;
    }
}

@media (max-width: 768px) {
    :root {
        --sidebar-width: 0;
    }
    
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.show {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
        max-width: 100%;
        padding: 15px;
    }
    
    .content-header {
        flex-direction: column;
        gap: 15px;
        align-items: flex-start;
    }
    
    .stats-grid,
    .status-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .tabs {
        overflow-x: auto;
    }
    
    .modal-content {
        width: 95%;
        margin: 10px;
    }
    
    .command-grid {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    }
}

@media (max-width: 480px) {
    .btn {
        padding: 8px 16px;
        font-size: 13px;
    }
    
    table {
        font-size: 12px;
    }
    
    th, td {
        padding: 8px;
    }
}

/* ============================================
   17. Print Styles
   ============================================ */
@media print {
    .sidebar,
    .header-actions,
    .btn,
    .tabs {
        display: none;
    }
    
    .main-content {
        margin: 0;
        max-width: 100%;
    }
    
    .card {
        box-shadow: none;
        border: 1px solid #ddd;
    }
/* API Logs specific styling */
.api-logs {
    font-family: var(--font-family-mono);
    font-size: 12px;
}

.api-logs .log-entry {
    padding: 8px 0;
    border-bottom: 1px solid #f0f0f0;
    display: flex;
    align-items: center;
    gap: 10px;
}

.api-logs .method {
    display: inline-block;
    width: 60px;
    font-weight: bold;
    color: var(--primary);
}

.api-logs .status-200 { color: var(--success); }
.api-logs .status-400 { color: var(--warning); }
.api-logs .status-500 { color: var(--danger); }

.code-text {
    font-family: var(--font-family-mono);
    font-size: 12px;
    color: var(--gray);
}
}