/* ==========================================================================
   SAM8854 Cloud Admin Dashboard - CSS Design System
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500;700&family=Noto+Sans+KR:wght@300;400;500;700&display=swap');

:root {
    --bg-main: #090c15;
    --bg-sidebar: #0f1423;
    --bg-card: #161c2e;
    --bg-card-hover: #1e263d;
    --border-color: rgba(255, 255, 255, 0.08);
    --border-focus: rgba(99, 102, 241, 0.5);

    --primary: #6366f1;
    --primary-glow: rgba(99, 102, 241, 0.35);
    --secondary: #ec4899;
    --accent-cyan: #06b6d4;
    --accent-emerald: #10b981;
    --accent-amber: #f59e0b;
    --accent-rose: #f43f5e;

    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;

    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 18px;
    --radius-full: 9999px;

    --shadow-card: 0 10px 25px rgba(0, 0, 0, 0.4);
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Outfit', 'Noto Sans KR', sans-serif;
    background-color: var(--bg-main);
    color: var(--text-primary);
    line-height: 1.6;
    display: flex;
    min-height: 100vh;
    overflow-x: hidden;
}

code, .mono {
    font-family: 'JetBrains Mono', monospace;
}

a {
    color: inherit;
    text-decoration: none;
}

button {
    font-family: inherit;
    border: none;
    background: none;
    cursor: pointer;
    outline: none;
}

/* Sidebar */
.sidebar {
    width: 260px;
    background: var(--bg-sidebar);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    z-index: 100;
    transition: var(--transition);
}

.sidebar-header {
    padding: 24px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid var(--border-color);
}

.sidebar-logo {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.3rem;
    box-shadow: 0 4px 15px var(--primary-glow);
}

.sidebar-title {
    font-size: 1.15rem;
    font-weight: 800;
    letter-spacing: -0.3px;
    background: linear-gradient(135deg, #ffffff 40%, var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.sidebar-sub {
    font-size: 0.72rem;
    color: var(--accent-cyan);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
}

.sidebar-menu {
    padding: 20px 14px;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 6px;
    overflow-y: auto;
}

.menu-category {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--text-muted);
    letter-spacing: 1px;
    padding: 12px 12px 4px;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 0.92rem;
    font-weight: 600;
    transition: var(--transition);
}

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

.nav-link:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

.nav-link.active {
    color: #ffffff;
    background: linear-gradient(135deg, var(--primary), #4f46e5);
    box-shadow: 0 4px 14px var(--primary-glow);
}

.sidebar-footer {
    padding: 16px;
    border-top: 1px solid var(--border-color);
    background: rgba(0, 0, 0, 0.2);
}

.user-card {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px;
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-cyan), var(--primary));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 0.9rem;
}

.user-info {
    flex: 1;
    overflow: hidden;
}

.user-name {
    font-size: 0.88rem;
    font-weight: 700;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-role {
    font-size: 0.72rem;
    color: var(--accent-emerald);
    font-weight: 600;
}

/* Main Content Area */
.main-wrapper {
    margin-left: 260px;
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
}

/* Topbar Header */
.topbar {
    height: 70px;
    padding: 0 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(15, 20, 35, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 90;
}

.topbar-search {
    position: relative;
    width: 320px;
}

.topbar-search input {
    width: 100%;
    padding: 9px 16px 9px 40px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    color: var(--text-primary);
    font-size: 0.88rem;
    transition: var(--transition);
}

.topbar-search input:focus {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--primary);
    box-shadow: 0 0 12px var(--primary-glow);
}

.topbar-search i {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 0.9rem;
}

.topbar-actions {
    display: flex;
    align-items: center;
    gap: 14px;
}

.action-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    position: relative;
}

.action-btn:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.1);
}

.badge-dot {
    position: absolute;
    top: 9px;
    right: 9px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent-rose);
    box-shadow: 0 0 8px var(--accent-rose);
}

/* Dashboard Content */
.content-body {
    padding: 32px;
}

.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 28px;
}

.page-title {
    font-size: 1.75rem;
    font-weight: 800;
    line-height: 1.2;
}

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

.header-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    background: rgba(16, 185, 129, 0.15);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: var(--accent-emerald);
    border-radius: var(--radius-full);
    font-size: 0.82rem;
    font-weight: 700;
}

/* Stat Cards Grid */
.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 20px;
    margin-bottom: 32px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 22px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    box-shadow: var(--shadow-card);
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-4px);
    background: var(--bg-card-hover);
    border-color: rgba(255, 255, 255, 0.15);
}

.stat-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 14px;
}

.stat-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.stat-icon.primary { background: rgba(99, 102, 241, 0.15); color: var(--primary); }
.stat-icon.emerald { background: rgba(16, 185, 129, 0.15); color: var(--accent-emerald); }
.stat-icon.amber { background: rgba(245, 158, 11, 0.15); color: var(--accent-amber); }
.stat-icon.rose { background: rgba(244, 63, 94, 0.15); color: var(--accent-rose); }

.stat-trend {
    font-size: 0.78rem;
    font-weight: 700;
    padding: 3px 8px;
    border-radius: var(--radius-sm);
}

.stat-trend.up { background: rgba(16, 185, 129, 0.2); color: var(--accent-emerald); }
.stat-trend.neutral { background: rgba(255, 255, 255, 0.1); color: var(--text-secondary); }

.stat-title {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.stat-value {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--text-primary);
}

/* Sections Layout */
.dashboard-columns {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 24px;
}

.panel {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow-card);
}

.panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--border-color);
}

.panel-title {
    font-size: 1.15rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 10px;
}

.panel-title i {
    color: var(--primary);
}

/* Table Styling */
.table-responsive {
    width: 100%;
    overflow-x: auto;
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 0.9rem;
}

.admin-table th {
    padding: 12px 16px;
    color: var(--text-muted);
    font-weight: 700;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--border-color);
}

.admin-table td {
    padding: 14px 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    color: var(--text-secondary);
    vertical-align: middle;
}

.admin-table tbody tr {
    transition: var(--transition);
}

.admin-table tbody tr:hover {
    background: rgba(255, 255, 255, 0.03);
}

.service-cell {
    display: flex;
    align-items: center;
    gap: 12px;
}

.service-icon-box {
    width: 34px;
    height: 34px;
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.06);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.service-name {
    font-weight: 700;
    color: var(--text-primary);
}

.service-path {
    font-size: 0.78rem;
    color: var(--text-muted);
}

/* Status Pills */
.status-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 700;
}

.status-pill.active {
    background: rgba(16, 185, 129, 0.18);
    color: var(--accent-emerald);
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.status-pill.warning {
    background: rgba(245, 158, 11, 0.18);
    color: var(--accent-amber);
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.pulse-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: currentColor;
    box-shadow: 0 0 6px currentColor;
}

/* Action Buttons */
.btn-table {
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 600;
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
    transition: var(--transition);
}

.btn-table:hover {
    background: var(--primary);
    color: white;
    box-shadow: 0 4px 10px var(--primary-glow);
}

/* Activity Logs List */
.log-timeline {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.log-item {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 10px;
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.03);
}

.log-icon {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    flex-shrink: 0;
}

.log-content {
    flex: 1;
}

.log-text {
    font-size: 0.88rem;
    color: var(--text-primary);
    margin-bottom: 2px;
}

.log-time {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* Server Resource Bar */
.resource-box {
    margin-top: 14px;
}

.resource-header {
    display: flex;
    justify-content: space-between;
    font-size: 0.82rem;
    margin-bottom: 6px;
}

.progress-track {
    width: 100%;
    height: 8px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    border-radius: 4px;
    transition: width 0.6s ease;
}

/* Responsive */
@media (max-width: 1024px) {
    .dashboard-columns {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }
    .main-wrapper {
        margin-left: 0;
    }
    .topbar {
        padding: 0 16px;
    }
    .content-body {
        padding: 20px 16px;
    }
}