/* base styles */
:root {
    --primary-color: #1a73e8;
    --primary-dark: #135cb6;
    --secondary-color: #34a853;
    --secondary-dark: #218838;
    --warning-color: #fbbc05;
    --warning-dark: #d39e00;
    --danger-color: #ea4335;
    --danger-dark: #bd362f;
    --light-color: #f8f9fa;
    --dark-color: #343a40;
    --gray-color: #6c757d;
    --gray-light: #e9ecef;
    --gray-dark: #495057;
    --body-color: #f5f5f5;
    --border-color: #dee2e6;
    --font-main: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

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

body {
    font-family: var(--font-main);
    background-color: var(--body-color);
    color: var(--dark-color);
    line-height: 1.6;
}

a {
    text-decoration: none;
    color: var(--primary-color);
}

a:hover {
    color: var(--primary-dark);
}

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* typography */
h1, h2, h3, h4, h5, h6 {
    margin-bottom: 1rem;
}

h1 {
    font-size: 2.2rem;
}

h2 {
    font-size: 1.8rem;
    color: var(--primary-color);
}

h3 {
    font-size: 1.5rem;
}

h4 {
    font-size: 1.2rem;
}

/* btn styles */
.btn {
    display: inline-block;
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    text-align: center;
    transition: all 0.3s ease;
}

.btn i {
    margin-right: 0.5rem;
}

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

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

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

.btn-success:hover {
    background-color: var(--secondary-dark);
    color: white;
}

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

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

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

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

/* form styles */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.8rem;
    font-size: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background-color: white;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(26, 115, 232, 0.25);
}

.form-group small {
    display: block;
    margin-top: 0.5rem;
    color: var(--gray-color);
}

.form-footer {
    margin-top: 1rem;
    text-align: center;
}

.error-message {
    color: var(--danger-color);
    margin-bottom: 1rem;
    padding: 0.5rem;
    background-color: rgba(234, 67, 53, 0.1);
    border-radius: 4px;
    display: none;
}

/* header styles */
.header {
    background-color: white;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.logo h1 {
    font-size: 1.5rem;
    margin: 0;
    display: flex;
    align-items: center;
}

.logo i {
    margin-right: 0.5rem;
    color: var(--primary-color);
}

.nav-list {
    display: flex;
}

.nav-link {
    color: var(--dark-color);
    padding: 0.5rem 1rem;
    display: flex;
    align-items: center;
}

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

.nav-link i {
    margin-right: 0.5rem;
}

/* main content styles */
.main {
    padding: 2rem 0;
    min-height: calc(100vh - 135px);
}

/* page styles */
.page {
    display: none;
}

.page.active {
    display: block;
}

/* auth form styles */
.auth-form {
    max-width: 500px;
    margin: 2rem auto;
    padding: 2rem;
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.auth-form h2 {
    text-align: center;
    margin-bottom: 2rem;
}

/* dashboard styles */
.dashboard-greeting {
    margin-bottom: 2rem;
}

.dashboard-summary {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.summary-card {
    background-color: white;
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
}

.summary-icon {
    width: 50px;
    height: 50px;
    background-color: rgba(26, 115, 232, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1rem;
    color: var(--primary-color);
    font-size: 1.5rem;
}

.summary-content h4 {
    margin-bottom: 0.25rem;
    color: var(--gray-dark);
}

.summary-content p {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--dark-color);
}

.dashboard-recent {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.recent-transactions,
.recent-accounts {
    background-color: white;
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.recent-list {
    margin-top: 1rem;
}

.action-buttons {
    margin-top: 1rem;
    display: flex;
    justify-content: flex-end;
}

/* account styles */
.accounts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.account-card {
    background-color: white;
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
    cursor: pointer;
}

.account-card:hover {
    transform: translateY(-5px);
}

.account-type {
    font-weight: 600;
    font-size: 1.2rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.account-number {
    color: var(--gray-color);
    margin-bottom: 1rem;
}

.account-balance {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.account-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
}

/* transaction styles */
.transaction-item {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.transaction-info {
    flex-grow: 1;
}

.transaction-date {
    color: var(--gray-color);
    font-size: 0.9rem;
}

.transaction-desc {
    font-weight: 500;
}

.transaction-amount {
    font-weight: 700;
}

.transaction-amount.deposit {
    color: var(--secondary-color);
}

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

.transaction-amount.transfer {
    color: var(--primary-color);
}

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

.filter-controls .form-group {
    flex: 1;
    margin-bottom: 0;
}

/* transfer styles */
.transfer-form {
    background-color: white;
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    margin-bottom: 1.5rem;
}

.transfer-details {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.account-preview {
    background-color: white;
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

/* loan styles */
.loan-item {
    background-color: white;
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    margin-bottom: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
}

.loan-info h4 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.loan-status {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 100px;
    font-size: 0.875rem;
    font-weight: 500;
    text-transform: capitalize;
}

.loan-status.pending {
    background-color: rgba(251, 188, 5, 0.2);
    color: var(--warning-dark);
}

.loan-status.approved,
.loan-status.active {
    background-color: rgba(52, 168, 83, 0.2);
    color: var(--secondary-dark);
}

.loan-status.rejected,
.loan-status.defaulted {
    background-color: rgba(234, 67, 53, 0.2);
    color: var(--danger-dark);
}

.loan-status.paid_off {
    background-color: rgba(26, 115, 232, 0.2);
    color: var(--primary-dark);
}

/* Profile Styles */
.profile-form {
    background-color: white;
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.profile-section {
    margin-bottom: 2rem;
}

.profile-section h3 {
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 1.5rem;
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.4);
}

.modal-content {
    background-color: white;
    margin: 10% auto;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    width: 90%;
    max-width: 600px;
    position: relative;
}

.close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-color);
    cursor: pointer;
}

.close:hover {
    color: var(--dark-color);
}

/* Footer Styles */
.footer {
    background-color: white;
    box-shadow: 0 -1px 3px rgba(0, 0, 0, 0.1);
    padding: 1rem 0;
    text-align: center;
    color: var(--gray-color);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 2rem;
    color: var(--gray-color);
    background-color: var(--gray-light);
    border-radius: 8px;
}

/* Responsive Styles */
@media (max-width: 992px) {
    .dashboard-recent {
        grid-template-columns: 1fr;
    }

    .transfer-details {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .header .container {
        flex-direction: column;
    }

    .logo {
        margin-bottom: 1rem;
    }

    .nav-list {
        flex-wrap: wrap;
        justify-content: center;
    }

    .nav-link {
        padding: 0.5rem;
    }

    .dashboard-summary {
        grid-template-columns: 1fr 1fr;
    }

    .accounts-grid {
        grid-template-columns: 1fr;
    }

    .filter-controls {
        flex-direction: column;
    }
}

@media (max-width: 576px) {
    .dashboard-summary {
        grid-template-columns: 1fr;
    }

    .modal-content {
        width: 95%;
        margin: 5% auto;
        padding: 1.5rem;
    }

    .account-actions {
        flex-direction: column;
    }

    .account-actions .btn {
        width: 100%;
        margin-bottom: 0.5rem;
    }
}

.summary-card.clickable {
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

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

.summary-card.clickable:active {
    transform: translateY(-2px);
}

.logo .home-link {
    color: var(--dark-color);
    text-decoration: none;
    display: flex;
    align-items: center;
    transition: color 0.2s ease;
}

.logo .home-link:hover {
    color: var(--primary-color);
}

.logo .home-link i {
    margin-right: 0.5rem;
    color: var(--primary-color);
}