/* Enterprise Dashboard — Compact Modern Design System */

:root {
    --bg-primary: #f8fafc;        /* Slate 50 */
    --bg-card: #ffffff;           /* Pure White */
    --bg-sidebar: #0f172a;        /* Deep Slate 900 */
    --border-color: #e2e8f0;      /* Slate 200 */
    
    --text-primary: #0f172a;      /* Slate 900 */
    --text-secondary: #475569;    /* Slate 600 */
    --text-muted: #94a3b8;        /* Slate 400 */
    
    --accent-primary: #6366f1;    /* Indigo 500 */
    --accent-secondary: #0ea5e9;  /* Sky 500 */
    --accent-success: #10b981;    /* Emerald 500 */
    --accent-warning: #f59e0b;    /* Amber 500 */
    --accent-danger: #ef4444;     /* Red 500 */
    
    --font-sans: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --sidebar-width: 220px;
    --topbar-height: 56px;
    --transition-speed: 0.2s;
}

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

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 0.875rem;
    min-height: 100vh;
    display: flex;
    overflow-x: hidden;
}

/* Sidebar: Compact & Dark Contrast */
.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-sidebar);
    display: flex;
    flex-direction: column;
    height: 100vh;
    position: fixed;
    left: 0;
    top: 0;
    z-index: 100;
}

.sidebar-brand {
    height: var(--topbar-height);
    padding: 0 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.1rem;
    font-weight: 700;
    color: #ffffff;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.sidebar-brand i {
    color: var(--accent-primary);
}

.sidebar-menu {
    list-style: none;
    padding: 1rem 0.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    flex-grow: 1;
    overflow-y: auto;
}

.sidebar-item a {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.65rem 0.85rem;
    color: #94a3b8;
    text-decoration: none;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 500;
    transition: all var(--transition-speed);
}

.sidebar-item a:hover {
    color: #ffffff;
    background: rgba(255, 255, 255, 0.03);
}

.sidebar-item.active a {
    color: #ffffff;
    background: var(--accent-primary);
}

.sidebar-user {
    padding: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    background: rgba(0, 0, 0, 0.2);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 6px;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.95rem;
    color: white;
}

.user-details {
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.user-name {
    font-weight: 600;
    font-size: 0.8rem;
    color: #ffffff;
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
}

.user-role {
    font-size: 0.7rem;
    color: #64748b;
    text-transform: capitalize;
}

.btn-logout {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 0.5rem;
    background: rgba(239, 68, 68, 0.1);
    color: #f87171;
    border: 1px solid rgba(239, 68, 68, 0.15);
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.75rem;
    text-decoration: none;
    transition: all var(--transition-speed);
}

.btn-logout:hover {
    background: var(--accent-danger);
    color: white;
    border-color: var(--accent-danger);
}

/* Main Content Wrapper */
.main-wrapper {
    margin-left: var(--sidebar-width);
    flex-grow: 1;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Top Bar: Compact & Clean */
.top-bar {
    height: var(--topbar-height);
    background: #ffffff;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.5rem;
    position: sticky;
    top: 0;
    z-index: 90;
}

.page-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
}

.top-bar-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.notification-bell {
    position: relative;
    cursor: pointer;
    color: var(--text-secondary);
    transition: color var(--transition-speed);
}

.notification-bell:hover {
    color: var(--text-primary);
}

.notification-badge {
    position: absolute;
    top: -4px;
    right: -4px;
    background: var(--accent-danger);
    color: white;
    font-size: 0.6rem;
    font-weight: 700;
    padding: 1px 4px;
    border-radius: 10px;
    line-height: 1;
}

/* Content Container */
.content-body {
    padding: 1.5rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

/* Compact KPI Cards Grid */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
}

.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    position: relative;
    box-shadow: 0 1px 2px rgba(0,0,0,0.02);
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

.card-title {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

.card-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

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

/* Panels */
.widget-container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 1rem;
}

@media (max-width: 1024px) {
    .widget-container {
        grid-template-columns: 1fr;
    }
}

.panel {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    box-shadow: 0 1px 2px rgba(0,0,0,0.02);
}

.panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.5rem;
}

.panel-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* Buttons */
.btn {
    padding: 0.5rem 1rem;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    background: #ffffff;
    color: var(--text-secondary);
    font-family: var(--font-sans);
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-speed);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    text-decoration: none;
}

.btn:hover {
    background: var(--bg-primary);
    border-color: var(--text-muted);
    color: var(--text-primary);
}

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

.btn-primary:hover {
    background: #4f46e5;
    border-color: #4f46e5;
}

/* Login Page: Centered Card */
.login-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    width: 100vw;
    background: #f1f5f9;
}

.login-card {
    width: 100%;
    max-width: 380px;
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2.25rem 2rem;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.05);
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.login-header {
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.login-logo {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.login-subtitle {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    margin-bottom: 1rem;
}

.form-label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.form-input {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 0.55rem 0.85rem;
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 0.85rem;
    outline: none;
    transition: border-color var(--transition-speed);
}

.form-input:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.alert {
    padding: 0.65rem 1rem;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.alert-danger {
    background: #fef2f2;
    border: 1px solid #fee2e2;
    color: #ef4444;
}

/* Quick Actions Grid */
.actions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: 0.75rem;
}

.action-tile {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 1rem 0.5rem;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-speed);
    color: var(--text-secondary);
    text-decoration: none;
}

.action-tile:hover {
    background: #ffffff;
    color: var(--accent-primary);
    border-color: var(--accent-primary);
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.action-icon {
    font-size: 1.25rem;
    margin-bottom: 0.35rem;
    color: var(--text-secondary);
}

.action-tile:hover .action-icon {
    color: var(--accent-primary);
}

.action-label {
    font-size: 0.75rem;
    font-weight: 600;
    display: block;
}

/* Config Bar */
.config-panel {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.75rem 1.25rem;
    display: flex;
    gap: 1.25rem;
    align-items: center;
    flex-wrap: wrap;
    box-shadow: 0 1px 2px rgba(0,0,0,0.02);
}

.toggle-switch {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    color: var(--text-secondary);
}

.toggle-switch input {
    accent-color: var(--accent-primary);
}

/* Prevent Chart.js canvas vertical space / infinite resize loop issues */
canvas {
    display: block !important;
    max-width: 100%;
}