:root {
    --primary-color: #6f42c1;
    --secondary-color: #f8f9fa;
    --text-color: #343a40;
    --heading-font: 'Poppins', sans-serif;
    --body-font: 'Poppins', sans-serif;
    --sidebar-bg: #1e1e2d;
    --sidebar-text: #a5a5a9;
    --sidebar-active: #ffffff;
    --content-bg: #f4f7f6;
}

body {
    font-family: var(--body-font);
    color: var(--text-color);
    background-color: var(--content-bg);
}

.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    height: 100%;
    width: 260px;
    background-color: var(--sidebar-bg);
    padding-top: 20px;
    transition: all 0.3s;
    z-index: 1000;
}

.sidebar .logo {
    font-family: var(--heading-font);
    font-weight: 700;
    color: var(--sidebar-active) !important;
    font-size: 1.5rem;
    text-align: center;
    display: block;
    margin-bottom: 30px;
}

.sidebar .nav-link {
    color: var(--sidebar-text);
    font-weight: 500;
    padding: 12px 25px;
    display: flex;
    align-items: center;
    transition: all 0.3s;
}

.sidebar .nav-link i {
    margin-right: 15px;
    font-size: 1.1rem;
    width: 20px;
    text-align: center;
}

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

.sidebar .nav-item-header {
    text-transform: uppercase;
    font-size: 0.8rem;
    font-weight: 600;
    color: #4a4a5a;
    padding: 10px 25px;
    margin-top: 15px;
}

.main-content {
    margin-left: 260px;
    padding: 0;
    transition: all 0.3s;
}

.header {
    background-color: #fff;
    padding: 20px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid #e5e9f2;
}

.wallet-card {
    background: linear-gradient(135deg, var(--primary-color), #2575fc);
    color: white;
    border-radius: 15px;
}

.wallet-balance {
    font-weight: 700;
}

.income-card {
    background: #fff;
    border: none;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.income-card .card-body {
    display: flex;
    align-items: center;
}

.income-card .icon {
    font-size: 2.5rem;
    margin-right: 20px;
    padding: 20px;
    border-radius: 50%;
    background-color: rgba(0,0,0,0.05);
}

.table-striped > tbody > tr:nth-of-type(odd) > * {
    background-color: rgba(0,0,0,0.02);
}

.feature-card {
    background: white;
    border-radius: 10px;
    padding: 40px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s;
}

.feature-card:hover {
    transform: translateY(-10px);
}

.feature-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}
.chat-open-button {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: var(--primary-color);
    color: white;
    padding: 15px 20px;
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    z-index: 1000;
    border: none;
    font-size: 24px;
}

.chat-popup {
    display: none;
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 350px;
    height: 500px;
    background-color: white;
    flex-direction: column;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    z-index: 1001;
}
.chat-header {
    background-color: var(--primary-color);
    color: white;
    padding: 15px;
    border-top-left-radius: 10px;
    border-top-right-radius: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.chat-messages {
    flex-grow: 1;
    padding: 15px;
    overflow-y: auto;
    background-color: #f9f9f9;
}
.chat-input {
    display: flex;
    padding: 10px;
    border-top: 1px solid #ddd;
}
.chat-message {
    margin-bottom: 10px;
    padding: 8px 12px;
    border-radius: 18px;
    max-width: 80%;
}
.user-message {
    background-color: var(--primary-color);
    color: white;
    align-self: flex-end;
    margin-left: auto;
}
.bot-message {
    background-color: #e9e9eb;
    color: var(--text-color);
    align-self: flex-start;
}

.nav-link-custom {
    font-weight: 500;
    color: var(--text-color);
    transition: color 0.3s;
    position: relative;
    padding-bottom: 0.5rem;
}

.nav-link-custom::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: width 0.3s ease-in-out;
}

.nav-link-custom:hover::after, .nav-link-custom.active::after {
    width: 100%;
}

.nav-link-custom:hover {
    color: var(--primary-color);
}

.navbar-nav .btn {
    margin-left: 0.5rem;
}

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

.btn-primary:hover {
    background-color: #5a3e9a;
    border-color: #5a3e9a;
}

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