:root {
    --sky-primary: #6366f1;
    --sky-primary-dark: #4f46e5;
    --sky-accent: #a855f7;
    --sky-bg: #f8fafc;
    --sky-sidebar-bg: #ffffff;
    --sky-card-bg: rgba(255, 255, 255, 0.7);
    --sky-text-main: #1e293b;
    --sky-text-muted: #64748b;
    --sky-border: #e2e8f0;
    --sky-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --sky-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --sky-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

.sky-wrapper {
    display: flex;
    min-height: 100vh;
    background: var(--sky-bg);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
    color: var(--sky-text-main);
    margin: -20px -20px 0 -20px;
}

.sky-sidebar {
    width: 280px;
    background: var(--sky-sidebar-bg);
    border-right: 1px solid var(--sky-border);
    display: flex;
    flex-direction: column;
    position: sticky;
    top: 0;
    height: 100vh;
    z-index: 10;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.sky-brand {
    padding: 30px 24px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid var(--sky-border);
}

.sky-brand-logo {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--sky-primary), var(--sky-accent));
    color: white;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 20px;
    box-shadow: var(--sky-shadow-md);
}

.sky-brand-text {
    font-weight: 700;
    font-size: 16px;
    display: block;
    color: var(--sky-text-main);
}

.sky-brand-ver {
    font-size: 11px;
    color: var(--sky-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.sky-nav {
    padding: 20px 12px;
    flex-grow: 1;
}

.sky-nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: var(--sky-text-muted);
    text-decoration: none;
    border-radius: 8px;
    margin-bottom: 4px;
    transition: all 0.2s ease;
    font-weight: 500;
    font-size: 14px;
}

.sky-nav-item:hover {
    background: #f1f5f9;
    color: var(--sky-primary);
    transform: translateX(4px);
}

.sky-nav-item.active {
    background: linear-gradient(to right, #eef2ff, #ffffff);
    color: var(--sky-primary);
    font-weight: 600;
    box-shadow: inset 4px 0 0 var(--sky-primary);
}

.sky-sidebar-footer {
    padding: 24px;
    border-top: 1px solid var(--sky-border);
    background: #fcfcfd;
}

.sky-save-btn {
    width: 100%;
    padding: 12px;
    background: linear-gradient(135deg, var(--sky-primary), var(--sky-primary-dark));
    color: white;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: var(--sky-shadow-md);
    margin-bottom: 20px;
}

.sky-save-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--sky-shadow-lg);
    filter: brightness(1.1);
}

.sky-brand-box {
    text-align: center;
    font-size: 12px;
    color: var(--sky-text-muted);
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.sky-brand-box .logo {
    font-weight: 600;
    color: var(--sky-text-main);
}

.sky-main {
    flex-grow: 1;
    padding: 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.sky-welcome h2 {
    font-size: 28px;
    font-weight: 800;
    margin-bottom: 30px;
    color: var(--sky-text-main);
}

.sky-card {
    background: var(--sky-card-bg);
    border: 1px solid rgba(255, 255, 255, 0.8);
    border-radius: 16px;
    padding: 24px;
    box-shadow: var(--sky-shadow-md);
    margin-bottom: 24px;
    transition: all 0.3s ease;
    backdrop-filter: blur(12px);
}

.sky-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--sky-shadow-lg);
    border-color: var(--sky-primary);
}

.sky-card-title {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

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

.sky-stat-card {
    background: white;
    padding: 24px;
    border-radius: 16px;
    border: 1px solid var(--sky-border);
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: var(--sky-shadow-sm);
}

.sky-stat-card:hover {
    border-color: var(--sky-primary);
    box-shadow: var(--sky-shadow-md);
}

.sky-stat-val {
    display: block;
    font-size: 32px;
    font-weight: 800;
    color: var(--sky-primary);
    margin-bottom: 4px;
}

.sky-stat-lbl {
    font-size: 13px;
    color: var(--sky-text-muted);
    font-weight: 500;
}

.sky-health-table {
    width: 100%;
    border-collapse: collapse;
}

.sky-health-label {
    padding: 12px 0;
    border-bottom: 1px solid var(--sky-border);
    color: var(--sky-text-muted);
    font-size: 14px;
}

.sky-health-val {
    padding: 12px 0;
    border-bottom: 1px solid var(--sky-border);
    text-align: right;
    font-weight: 600;
    font-size: 14px;
}

.sky-status-ok {
    color: #10b981;
    background: #ecfdf5;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 12px;
}

.sky-settings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: 24px;
}

.sky-setting-block {
    background: white;
    border-radius: 16px;
    border: 1px solid var(--sky-border);
    padding: 24px;
    box-shadow: var(--sky-shadow-sm);
}

.sky-setting-header {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--sky-bg);
}

.sky-field-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 0;
    border-bottom: 1px solid var(--sky-bg);
    transition: all 0.2s ease;
}

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

.sky-field-info {
    flex: 1;
    padding-right: 20px;
}

.sky-field-label {
    font-weight: 600;
    font-size: 14px;
    color: var(--sky-text-main);
    margin-bottom: 4px;
}

.sky-field-desc {
    font-size: 12px;
    color: var(--sky-text-muted);
    line-height: 1.4;
}

.sky-field-control {
    width: 240px;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 12px;
}

.sky-field-input input, 
.sky-field-input select, 
.sky-field-input textarea {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--sky-border);
    border-radius: 6px;
    font-size: 13px;
    transition: all 0.2s {
        #---
    }
}

.sky-field-input input:focus, 
.sky-field-input select:focus, 
.sky-field-input textarea:focus {
    outline: none;
    border-color: var(--sky-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.sky-switch {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 22px;
}

.sky-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.sky-slider {
    position: absolute;
    cursor: pointer;
    top: 0; left: 0; right: 0; bottom: 0;
    background-color: #cbd5e1;
    transition: .3s;
    border-radius: 34px;
}

.sky-slider:before {
    position: absolute;
    content: "";
    height: 16px;
    width: 16px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: .3s;
    border-radius: 50%;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

input:checked + .sky-slider {
    background: linear-gradient(to right, var(--sky-primary), var(--sky-accent));
}

input:checked + .sky-slider:before {
    transform: translateX(22px);
}

.sky-status-badge {
    font-size: 11px;
    padding: 2px 6px;
    border-radius: 4px;
    background: #f1f5f9;
    color: var(--sky-text-muted);
    font-weight: 600;
}

.sky-status-badge.active {
    background: #dcfce7;
    color: #166534;
}