/* Layout Components */

/* Sidebar Styles */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    width: 250px;
    background: var(--bg-sidebar);
    box-shadow: var(--shadow-md);
    z-index: 1000;
    overflow-y: auto;
}

.sidebar-header {
    padding: 20px 20px 5px 20px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.sidebar-title {
    color: var(--text-inverse);
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0;
    text-align: center;
    font-family: var(--font-family-base);
    letter-spacing: -0.01em;
}

.sidebar-subtitle {
    color: rgba(255,255,255,0.8);
    font-size: 0.9rem;
    margin: 5px 0 0 0;
    text-align: center;
    font-family: var(--font-family-base);
    font-weight: 500;
}

.sidebar-nav {
    padding: 20px 0;
}

.nav-item {
    margin: 5px 0;
}

.nav-link {
    color: var(--text-inverse) !important;
    padding: 12px 20px !important;
    border-radius: 0 !important;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    text-decoration: none;
    font-family: var(--font-family-base);
    font-weight: 500;
    font-size: 0.9rem;
}

.nav-link:hover {
    background-color: rgba(59, 130, 246, 0.2) !important;
    color: rgba(255,255,255,0.9) !important;
    transform: translateX(5px);
}

.nav-link.active {
    background-color: rgba(37, 99, 235, 0.8) !important;
    color: var(--text-inverse) !important;
    border-left: 4px solid rgba(29, 78, 216, 1);
}

.nav-link i {
    margin-right: 10px;
    width: 20px;
    text-align: center;
}

/* Submenu Styles */
.submenu {
    background-color: rgba(59, 130, 246, 0.1);
    margin-left: 20px;
    border-left: 2px solid rgba(59, 130, 246, 0.8);
}

.submenu .nav-link {
    padding: 8px 20px !important;
    font-size: 0.9rem;
    color: rgba(255,255,255,0.8) !important;
}

.submenu .nav-link:hover {
    background-color: rgba(59, 130, 246, 0.2) !important;
    color: rgba(255,255,255,0.9) !important;
}

/* Main Content Area */
.main-content {
    margin-left: 250px;
    height: 100vh;
    background: var(--bg-content);
    overflow-y: auto;
    overflow-x: hidden;
}

.content-header {
    background: var(--bg-header);
    padding: 20px 30px;
    border-bottom: 1px solid var(--border-primary);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 900;
}

.content-title {
    color: var(--text-primary);
    font-size: 2rem;
    font-weight: 700;
    margin: 0;
    font-family: var(--font-family-base);
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.content-subtitle {
    color: var(--text-secondary);
    font-size: 1rem;
    margin: 5px 0 0 0;
    font-family: var(--font-family-base);
    font-weight: 400;
    letter-spacing: -0.01em;
}

.content-body {
    padding: 30px;
    background: var(--bg-content);
    min-height: auto;
}

/* Breadcrumb Navigation */
.breadcrumb-container {
    margin-bottom: 20px;
    padding: 10px 0;
}

.breadcrumb {
    background: none;
    padding: 0;
    margin: 0;
    font-size: 0.9rem;
}

.breadcrumb-link {
    color: #6c757d;
    text-decoration: none;
    transition: color 0.3s ease;
}

.breadcrumb-link:hover {
    color: #007bff;
    text-decoration: none;
}

.breadcrumb-current {
    color: #495057;
    font-weight: 500;
}

.breadcrumb-separator {
    color: #6c757d;
    margin: 0 8px;
}