:root {
    --primary: #26bfde;
    --primary-dark: #26bfde;
    --secondary: #10b981;
    --dark: #1e293b;
    --light: #f8fafc;
    --gray: #94a3b8;
    --danger: #ef4444;
    --success: #22c55e;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: #f1f5f9;
    color: var(--dark);
    min-height: 100vh;
}

.dashboard {
    display: grid;
    grid-template-columns: 280px 1fr;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    background: white;
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.05);
    padding: 1.5rem;
    position: relative;
    z-index: 10;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 2.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid #e2e8f0;
}

.logo img {
    width: 40px;
    height: 40px;
}

.logo h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

.nav-menu {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    color: var(--dark);
}

.nav-item:hover {
    background-color: #f1f5f9;
}

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

.nav-item i {
    font-size: 1.25rem;
}

/* Main Content */
.main-content {
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.search-bar {
    display: flex;
    align-items: center;
    background: white;
    padding: 0.75rem 1rem;
    border-radius: 0.5rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    width: 400px;
}

.search-bar input {
    border: none;
    outline: none;
    width: 100%;
    font-size: 0.9rem;
}

.search-bar i {
    color: var(--gray);
    margin-right: 0.75rem;
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--primary);
}

.notification-bell {
    position: relative;
    cursor: pointer;
}

.notification-bell::after {
    content: '3';
    position: absolute;
    top: -5px;
    right: -5px;
    background: var(--danger);
    color: white;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: bold;
}

/* Cards Section */
.cards-section {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.card {
    background: white;
    border-radius: 1rem;
    padding: 1.5rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s, box-shadow 0.3s;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.card-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--dark);
}

.card-amount {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.card-details {
    font-size: 0.9rem;
    color: var(--gray);
    margin-bottom: 1.5rem;
}

.card-number {
    font-family: monospace;
    letter-spacing: 1px;
    margin-bottom: 1.5rem;
}

.card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-chip {
    width: 40px;
}

.card-logo {
    height: 24px;
}

.primary-card {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
}

.primary-card .card-title,
.primary-card .card-amount,
.primary-card .card-details,
.primary-card .card-number {
    color: white;
}

/* Transactions */
.transactions-section {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 1.5rem;
}

.transactions-card {
    background: white;
    border-radius: 1rem;
    padding: 1.5rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

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

.section-title {
    font-size: 1.25rem;
    font-weight: 600;
}

.view-all {
    color: var(--primary);
    font-weight: 500;
    cursor: pointer;
}

.transaction {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
    border-bottom: 1px solid #e2e8f0;
}

.transaction:last-child {
    border-bottom: none;
}

.transaction-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.transaction-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #e2e8f0;
    color: var(--dark);
}

.transaction-details h4 {
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.transaction-details p {
    font-size: 0.85rem;
    color: var(--gray);
}

.transaction-amount {
    font-weight: 600;
}

.transaction-amount.positive {
    color: var(--success);
}

.transaction-amount.negative {
    color: var(--danger);
}

/* Quick Transfer */
.transfer-card {
    background: white;
    border-radius: 1rem;
    padding: 1.5rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

.contacts {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.contact {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

.contact-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid transparent;
    transition: all 0.2s;
}

.contact.active .contact-avatar {
    border-color: var(--primary);
}

.contact-name {
    font-size: 0.8rem;
    font-weight: 500;
}

.transfer-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-size: 0.9rem;
    font-weight: 500;
}

.form-group input,
.form-group select {
    padding: 0.75rem 1rem;
    border: 1px solid #e2e8f0;
    border-radius: 0.5rem;
    font-size: 0.9rem;
    outline: none;
    transition: all 0.2s;
}

.form-group input:focus,
.form-group select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.transfer-btn {
    background: var(--primary);
    color: white;
    border: none;
    padding: 0.75rem;
    border-radius: 0.5rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    margin-top: 0.5rem;
}

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

/* Responsive */
@media (max-width: 1200px) {
    .transactions-section {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .dashboard {
        grid-template-columns: 1fr;
    }

    .sidebar {
        display: none;
    }

    .search-bar {
        width: 100%;
    }

    .header {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }
}