/* App Layout */
.app-wrapper {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: var(--color-dark-lighter);
    border-right: 1px solid rgba(255, 255, 255, 0.06);
    display: flex;
    flex-direction: column;
    z-index: 100;
    transition: width var(--transition-normal);
    overflow: hidden;
}

.sidebar-header {
    padding: var(--sp-lg);
    display: flex;
    align-items: center;
    gap: var(--sp-md);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    min-height: var(--topbar-height);
}

.sidebar-logo {
    width: 36px;
    height: 36px;
    flex-shrink: 0;
}

.sidebar-brand {
    font-size: 1.125rem;
    font-weight: var(--fw-bold);
    color: var(--color-white);
    white-space: nowrap;
}

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

.sidebar-nav {
    flex: 1;
    padding: var(--sp-md) 0;
    overflow-y: auto;
}

.nav-section-title {
    padding: var(--sp-sm) var(--sp-lg);
    font-size: 0.7rem;
    font-weight: var(--fw-semibold);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--color-text-muted);
    margin-top: var(--sp-sm);
}

.nav-item {
    display: flex;
    align-items: center;
    gap: var(--sp-md);
    padding: var(--sp-sm) var(--sp-lg);
    margin: 2px var(--sp-sm);
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
    text-decoration: none;
}

.nav-item:hover {
    background: rgba(var(--color-primary-rgb), 0.1);
    color: var(--color-white);
}

.nav-item.active {
    background: rgba(var(--color-primary-rgb), 0.2);
    color: var(--color-primary-light);
    border-left: 3px solid var(--color-accent);
}

.nav-item svg, .nav-item .nav-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    opacity: 0.7;
}

.nav-item.active svg, .nav-item.active .nav-icon {
    opacity: 1;
}

.nav-item-label {
    font-size: 0.875rem;
    font-weight: var(--fw-medium);
}

.sidebar-footer {
    padding: var(--sp-md) var(--sp-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

/* Topbar */
.topbar {
    position: fixed;
    top: 0;
    left: var(--sidebar-width);
    right: 0;
    height: var(--topbar-height);
    background: var(--color-dark-lighter);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--sp-xl);
    z-index: 90;
    transition: left var(--transition-normal);
}

.topbar-left {
    display: flex;
    align-items: center;
    gap: var(--sp-md);
}

.topbar-breadcrumb {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

.topbar-breadcrumb .current {
    color: var(--color-white);
    font-weight: var(--fw-medium);
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: var(--sp-lg);
}

.topbar-user {
    display: flex;
    align-items: center;
    gap: var(--sp-sm);
    cursor: pointer;
    padding: var(--sp-xs) var(--sp-sm);
    border-radius: var(--radius-md);
    transition: background var(--transition-fast);
}

.topbar-user:hover {
    background: rgba(255, 255, 255, 0.05);
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    background: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
    font-weight: var(--fw-semibold);
    color: var(--color-white);
}

.user-info {
    display: flex;
    flex-direction: column;
}

.user-name {
    font-size: 0.8125rem;
    font-weight: var(--fw-medium);
    color: var(--color-white);
}

.user-role {
    font-size: 0.6875rem;
    color: var(--color-text-muted);
    text-transform: capitalize;
}

/* Main Content */
.main-content {
    margin-left: var(--sidebar-width);
    margin-top: var(--topbar-height);
    padding: var(--sp-xl);
    min-height: calc(100vh - var(--topbar-height));
    transition: margin-left var(--transition-normal);
    width: calc(100% - var(--sidebar-width));
}

/* Page Header */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--sp-xl);
    flex-wrap: wrap;
    gap: var(--sp-md);
}

.page-title {
    font-size: 1.5rem;
    font-weight: var(--fw-bold);
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--color-white);
    font-size: 1.5rem;
    cursor: pointer;
    padding: var(--sp-xs);
}

/* Login Page Layout */
.login-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: var(--color-dark);
}

.login-card {
    background: var(--color-dark-lighter);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg);
    padding: var(--sp-2xl);
    width: 100%;
    max-width: 420px;
    box-shadow: var(--shadow-lg);
}

.login-logo {
    text-align: center;
    margin-bottom: var(--sp-xl);
}

.login-logo img {
    width: 180px;
}

.login-title {
    text-align: center;
    margin-bottom: var(--sp-lg);
    font-size: 1.25rem;
    color: var(--color-white);
}