:root {
    --primary: #4f46e5;
    --primary-dark: #4338ca;
    --primary-light: #eef2ff;
    --bg-main: #f8fafc;
    --bg-sidebar: #ffffff;
    --text-main: #1e293b;
    --text-muted: #64748b;
    --border: #e2e8f0;
    --sidebar-width: 280px;
    --header-height: 70px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-main);
    color: var(--text-main);
    line-height: 1.5;
    overflow-x: hidden;
}

.app-container {
    display: flex;
    min-height: 100vh;
}

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

.sidebar-header {
    height: var(--header-height);
    padding: 0 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--primary);
    font-weight: 700;
    font-size: 1.25rem;
}

.logo i {
    width: 32px;
    height: 32px;
}

.sidebar-nav {
    flex: 1;
    padding: 1.5rem 0.75rem;
    overflow-y: auto;
}

.nav-group {
    margin-bottom: 1.5rem;
}

.nav-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    border-radius: 0.5rem;
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    cursor: pointer;
    background: none;
    border: none;
    width: 100%;
    font-size: 0.9375rem;
}

.nav-item:hover {
    background-color: var(--primary-light);
    color: var(--primary);
}

.nav-item.active {
    background-color: var(--primary-light);
    color: var(--primary);
}

.nav-item-content {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.nav-item i, .nav-item-content i {
    width: 20px;
    height: 20px;
}

.chevron {
    transition: var(--transition);
}

.nav-item.expanded .chevron {
    transform: rotate(90deg);
}

/* Submenu */
.submenu {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
    padding-left: 2.75rem;
}

.nav-item.expanded + .submenu {
    max-height: 600px; /* Adjust based on content */
    margin-top: 0.25rem;
}

.submenu-item {
    display: block;
    padding: 0.5rem 0;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 400;
    transition: var(--transition);
}

.submenu-item:hover {
    color: var(--primary);
}

.submenu-item.active {
    color: var(--primary);
    font-weight: 600;
}

.sidebar-footer {
    padding: 1.5rem;
    border-top: 1px solid var(--border);
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.avatar {
    width: 40px;
    height: 40px;
    background-color: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.875rem;
}

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

.user-info .name {
    font-weight: 600;
    font-size: 0.875rem;
}

.user-info .role {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* Main Content Styling */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: 1.5rem;
    transition: var(--transition);
}

.top-bar {
    height: var(--header-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 2rem;
}

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

.top-bar h1 {
    font-size: 1.5rem;
    font-weight: 700;
}

.top-bar-right {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.search-box {
    position: relative;
    display: flex;
    align-items: center;
}

.search-box i {
    position: absolute;
    left: 0.75rem;
    color: var(--text-muted);
    width: 18px;
    height: 18px;
}

.search-box input {
    padding: 0.625rem 1rem 0.625rem 2.5rem;
    border-radius: 0.5rem;
    border: 1px solid var(--border);
    background-color: white;
    width: 280px;
    font-family: inherit;
    font-size: 0.875rem;
    outline: none;
    transition: var(--transition);
}

.search-box input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.icon-btn {
    background: white;
    border: 1px solid var(--border);
    padding: 0.625rem;
    border-radius: 0.5rem;
    cursor: pointer;
    color: var(--text-muted);
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.icon-btn:hover {
    color: var(--primary);
    border-color: var(--primary);
}

.content-body {
    background: white;
    border-radius: 1rem;
    padding: 2rem;
    min-height: calc(100vh - 180px);
    box-shadow: var(--shadow-sm);
}

.welcome-card {
    text-align: center;
    padding: 4rem 2rem;
}

.welcome-card h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--primary);
}

.welcome-card p {
    color: var(--text-muted);
    font-size: 1.125rem;
}

/* Mobile Responsiveness */
.mobile-only {
    display: none;
}

@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.open {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .mobile-only {
        display: flex;
    }
    
    #mobile-toggle {
        background: none;
        border: none;
        cursor: pointer;
        padding: 0.5rem;
        color: var(--text-main);
    }
    
    .search-box input {
        width: 180px;
    }
}

@media (max-width: 640px) {
    .search-box {
        display: none;
    }
}

/* Table and Content Styles */
.table-container {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.table-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.btn {
    padding: 0.625rem 1.25rem;
    border-radius: 0.5rem;
    font-weight: 600;
    font-size: 0.875rem;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition);
    border: 1px solid transparent;
    font-family: inherit;
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

.data-table th {
    background-color: #f1f5f9;
    padding: 0.75rem 1rem;
    font-size: 0.75rem;
    text-transform: uppercase;
    color: var(--text-muted);
    font-weight: 600;
    border-bottom: 2px solid var(--border);
}

.data-table td {
    padding: 1rem;
    border-bottom: 1px solid var(--border);
    font-size: 0.875rem;
}

.data-table tr:hover {
    background-color: #f8fafc;
}

.primary-cell {
    color: var(--primary);
    font-weight: 600;
}

.icon-btn-sm {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0.25rem;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.icon-btn-sm:hover {
    color: var(--primary);
}

.icon-btn-sm i {
    width: 16px;
    height: 16px;
}

.text-danger:hover {
    color: #ef4444;
}

.loader {
    font-weight: 500;
    color: var(--primary);
}

.table-search input {
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--border);
    border-radius: 0.375rem;
    outline: none;
    font-size: 0.875rem;
    font-family: inherit;
}

.table-search input:focus {
    border-color: var(--primary);
}

/* Addresses Page Specific Styles */
.addresses-page {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

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

.header-content h2 {
    font-size: 1.5rem;
    color: var(--text-main);
    margin-bottom: 0.25rem;
}

.header-content p {
    color: var(--text-muted);
    font-size: 0.875rem;
}

.filters-section {
    display: flex;
    gap: 1rem;
    align-items: center;
    background: #f1f5f9;
    padding: 1rem;
    border-radius: 0.75rem;
}

.search-wrapper {
    position: relative;
    flex: 1;
}

.search-wrapper i {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    color: var(--text-muted);
}

.search-wrapper input {
    width: 100%;
    padding: 0.75rem 1rem 0.75rem 2.75rem;
    border-radius: 0.5rem;
    border: 1px solid var(--border);
    font-size: 0.875rem;
    outline: none;
}

.filter-controls select {
    padding: 0.75rem 1rem;
    border-radius: 0.5rem;
    border: 1px solid var(--border);
    background: white;
    font-size: 0.875rem;
    outline: none;
}

/* Addresses Grid */
.addresses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
}

.address-card {
    background: white;
    border: 1px solid var(--border);
    border-radius: 1rem;
    padding: 1.5rem;
    position: relative;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    box-shadow: var(--shadow-sm);
}

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

.card-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--primary-light);
    color: var(--primary);
    padding: 0.25rem 0.75rem;
    border-radius: 2rem;
    font-size: 0.75rem;
    font-weight: 700;
}

.address-text {
    font-weight: 600;
    font-size: 1rem;
    margin-bottom: 1rem;
    color: var(--text-main);
    padding-right: 3rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--text-muted);
}

.info-item i {
    width: 16px;
    height: 16px;
}

.card-actions {
    display: flex;
    gap: 0.5rem;
    border-top: 1px solid var(--border);
    padding-top: 1rem;
}

.card-actions button {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.5rem;
    border-radius: 0.375rem;
    border: 1px solid var(--border);
    background: white;
    cursor: pointer;
    font-size: 0.875rem;
    transition: var(--transition);
    color: var(--text-muted);
}

.card-actions .edit-btn:hover {
    background: var(--primary-light);
    color: var(--primary);
    border-color: var(--primary);
}

.card-actions .delete-btn:hover {
    background: #fef2f2;
    color: #ef4444;
    border-color: #ef4444;
}

/* Modal Styles */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    backdrop-filter: blur(4px);
}

.modal.open {
    display: flex;
}

.modal-content {
    background: white;
    width: 100%;
    max-width: 500px;
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: var(--shadow-md);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.close-modal {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-muted);
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--text-main);
}

.form-group input, .form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    font-family: inherit;
    font-size: 0.875rem;
    outline: none;
}

.form-group textarea {
    height: 100px;
    resize: none;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
    margin-top: 2rem;
}

/* Agents Specific Styles */
.agents-page {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.agents-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
}