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

:root {
    --primary-color: #1a237e;
    --secondary-color: #04a1d1;
    --accent-color: #f50057;
    --background-color: #f5f7fa;
    --text-color: #2c3e50;
    --card-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    --hover-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    --button-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

body {
    background-color: var(--background-color);
    color: var(--text-color);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 15px;
    width: 100%;
}

header {
    background-color: var(--primary-color);
    color: white;
    padding: 20px;
    border-radius: 10px;
    margin-bottom: 20px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

header h1 {
    font-size: 2rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

main {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 20px;
    position: relative;
}

.renters-list, .renter-details {
    background: linear-gradient(to bottom right, #ffffff, #fafafa);
    border-radius: 15px;
    box-shadow: var(--card-shadow);
    border: 1px solid rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    padding: 20px;
}

h2 {
    color: var(--primary-color);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.menu-container {
    position: relative;
    margin-bottom: 20px;
    display: none;
}

.menu-btn {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 12px 20px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1rem;
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    justify-content: flex-start;
    transition: background-color 0.3s ease;
}

.menu-btn:hover {
    background-color: var(--secondary-color);
}

.dropdown-menu {
    position: fixed;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%) scale(0.9);
    background-color: white;
    border-radius: 10px;
    padding: 20px;
    width: 300px;
    max-height: 500px;
    overflow-y: auto;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1000;
}

.dropdown-menu.active {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, -50%) scale(1);
}

.overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 999;
}

.overlay.active {
    opacity: 1;
    visibility: visible;
}

.search-box {
    position: relative;
    margin-bottom: 15px;
}

.search-box input {
    width: 100%;
    padding: 10px 35px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 0.95rem;
}

.search-box i {
    position: absolute;
    left: 10px;
    top: 50%;
    transform: translateY(-50%);
    color: #666;
}

#rentersList {
    list-style: none;
}

.renter-item {
    position: relative;
    padding: 12px 15px;
    border: 1px solid #ddd;
    margin-bottom: 8px;
    border-radius: 5px;
    background-color: white;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.renter-item:last-child {
    margin-bottom: 0;
}

.renter-item:hover {
    background-color: var(--secondary-color);
    color: white;
    transform: translateX(5px);
}

.renter-details {
    background-color: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.detail-card {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.detail-item {
    background-color: white;
    padding: 15px;
    border-radius: 5px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.detail-item h3 {
    color: var(--secondary-color);
    margin-bottom: 10px;
    font-size: 1.1rem;
}

.detail-item p {
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--primary-color);
}

.renters-list {
    position: relative;
    z-index: 2;
    transition: all 0.3s ease;
}

.toggle-list {
    display: none;
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 3;
    background-color: var(--secondary-color);
    color: white;
    border: none;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    cursor: pointer;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

@media (min-width: 769px) {
    main {
        display: grid;
        grid-template-columns: 300px 1fr;
        gap: 20px;
    }

    .renters-list {
        display: block;
        width: 100%;
    }

    .dropdown-menu {
        position: absolute;
        max-height: none;
    }

    .menu-container {
        display: none;
    }
}

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

    .menu-container {
        display: block;
    }

    .renters-list {
        display: none;
    }

    .dropdown-menu {
        width: 90%;
        max-width: 350px;
        max-height: 80vh;
        top: 45%;
    }

    .menu-btn {
        background-color: var(--primary-color);
        width: 100%;
        justify-content: center;
        padding: 15px;
        margin-bottom: 15px;
    }

    .detail-card {
        grid-template-columns: 1fr;
    }

    .toggle-list {
        display: block;
    }

    .renter-details {
        width: 100%;
    }

    .close-list {
        position: absolute;
        top: 10px;
        right: 10px;
        background: none;
        border: none;
        font-size: 1.5rem;
        color: var(--primary-color);
        cursor: pointer;
    }

    header h1 {
        font-size: 1.5rem;
    }
}

/* Add styles for collapsed list */
.renters-list.collapsed {
    width: auto;
    min-width: 60px;
}

.renters-list.collapsed h2,
.renters-list.collapsed .search-box {
    display: none;
}

.renters-list.collapsed .renter-item {
    padding: 10px;
    margin-bottom: 5px;
    text-align: center;
}

.renters-list.collapsed .renter-item span {
    display: none;
}

.renters-list.collapsed .renter-item i {
    margin: 0;
    font-size: 1.2rem;
}

.renter-item {
    display: flex;
    align-items: center;
    gap: 10px;
}

.renter-item i {
    min-width: 20px;
}

.renter-item span {
    flex: 1;
}

.renter-item.active {
    background-color: var(--secondary-color);
    color: white;
}

/* Add these new styles */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.modal.active {
    display: block;
    opacity: 1;
    visibility: visible;
}

.modal-content {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: white;
    padding: 25px;
    border-radius: 10px;
    width: 90%;
    max-width: 500px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #eee;
}

.modal-header h2 {
    margin: 0;
    color: var(--primary-color);
    font-size: 1.5rem;
}

.close-modal {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-color);
    opacity: 0.7;
    transition: opacity 0.3s ease;
}

.close-modal:hover {
    opacity: 1;
}

.renter-form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.form-group label {
    font-size: 0.9rem;
    color: var(--text-color);
    display: flex;
    align-items: center;
    gap: 5px;
}

.form-group input {
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
}

.form-actions {
    display: flex;
    gap: 10px;
    margin-top: 10px;
}

.btn-primary, .btn-secondary {
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 5px;
    transition: all 0.3s ease;
}

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

.btn-secondary {
    background-color: #e0e0e0;
    color: var(--text-color);
}

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

.btn-secondary:hover {
    background-color: #d0d0d0;
}

.list-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.list-header h2 {
    margin: 0;
}

/* Add Renter button styles */
.add-renter-btn {
    background-color: var(--secondary-color);
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 5px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.add-renter-btn:hover {
    background-color: var(--primary-color);
    transform: translateY(-1px);
}

/* Update renter item styles */
.renter-info {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 1;
}

.actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.edit-btn, .delete-btn {
    background-color: #f1f1f1;
    border: none;
    cursor: pointer;
    padding: 6px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.edit-btn {
    color: var(--secondary-color);
}

.delete-btn {
    color: #e74c3c;
}

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

.delete-btn:hover {
    background-color: #e74c3c;
    color: white;
}

/* Confirmation modal styles */
.confirm-delete-content {
    padding: 20px 0;
    text-align: center;
}

.warning-text {
    color: #e74c3c;
    font-size: 0.9rem;
    margin-top: 10px;
    margin-bottom: 20px;
}

.btn-danger {
    background-color: #e74c3c;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
}

.btn-danger:hover {
    background-color: #c0392b;
}

/* Animation for delete confirmation */
@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

.confirm-delete-content {
    animation: shake 0.3s ease-in-out;
}

/* Mobile specific styles */
@media (max-width: 768px) {
    .menu-container {
        position: relative;
        padding: 15px;
        background-color: white;
        border-bottom: 1px solid #ddd;
    }

    .menu-header {
        display: flex;
        justify-content: space-between;
        align-items: center;
        margin-bottom: 10px;
    }

    .renter-item {
        padding: 15px;
    }

    .edit-btn {
        padding: 8px;
    }
}

/* Remove the mobile-add-btn styles and add FAB styles */
.fab {
    position: fixed;
    bottom: 25px;
    right: 25px;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background-color: var(--secondary-color);
    color: white;
    border: none;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    transition: all 0.3s ease;
    z-index: 1000;
}

.fab:hover, .fab:active {
    background-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.3);
}

.fab i {
    transition: transform 0.3s ease;
}

.fab:hover i {
    transform: rotate(90deg);
}

/* Hide FAB on desktop */
@media (min-width: 769px) {
    .fab {
        display: none;
    }
}

/* Ensure FAB stays above other elements */
@media (max-width: 768px) {
    .fab {
        z-index: 1100;
    }
    
    /* Remove the old mobile add button */
    .mobile-add-btn {
        display: none;
    }
}

/* Add styles for bill details */
.bill-details {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 2px solid #eee;
}

.bill-details h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.bill-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    background-color: #f8f9fa;
    padding: 15px;
    border-radius: 8px;
}

.bill-item {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.bill-label {
    font-size: 0.9rem;
    color: #666;
}

.bill-value {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary-color);
}

/* Loading spinner styles */
.loading-spinner {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 20px;
    color: var(--secondary-color);
    font-size: 0.9rem;
    background-color: #f8f9fa;
    border-radius: 8px;
    margin-top: 10px;
}

.loading-spinner i {
    font-size: 1.2rem;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Update error message styles */
.error-message {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 15px;
    background-color: #fff3f3;
    color: #e74c3c;
    border-radius: 8px;
    margin-top: 20px;
    font-size: 0.9rem;
}

.error-message i {
    font-size: 1.2rem;
}

/* Add retry button styles */
.retry-btn {
    background: none;
    border: none;
    color: var(--secondary-color);
    cursor: pointer;
    padding: 5px 10px;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 5px;
    margin-left: auto;
}

.retry-btn:hover {
    text-decoration: underline;
}

/* Animation for loading state */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.bill-details {
    animation: fadeIn 0.3s ease-in-out;
}

/* Add transition for bill details updates */
.bill-details {
    transition: opacity 0.3s ease;
}

.bill-details.loading {
    position: relative;
    opacity: 0.7;
    pointer-events: none;
}

.bill-details.loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(255, 255, 255, 0.5);
    border-radius: 8px;
}

.loading-spinner {
    position: relative;
    z-index: 1;
}

/* Balance Management Styles */
.balance-management-section {
    background: linear-gradient(145deg, #ffffff, #f8f9fa);
    border-radius: 15px;
    padding: 2rem;
    box-shadow: var(--card-shadow);
    border: 1px solid rgba(255, 255, 255, 0.8);
    margin-bottom: 1.5rem;
}

.current-balance {
    background: linear-gradient(to right, #ffffff, #f8f9fa);
    border-radius: 12px;
    padding: 1rem 1.5rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(0, 0, 0, 0.05);
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.balance-amount {
    font-weight: bold;
}

.balance-amount.positive {
    color: #00c853;
    text-shadow: 0 0 1px rgba(0, 200, 83, 0.2);
}

.balance-amount.negative {
    color: #f50057;
    text-shadow: 0 0 1px rgba(245, 0, 87, 0.2);
}

.quick-actions {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.action-btn {
    padding: 1rem 1.5rem;
    border-radius: 12px;
    font-weight: 600;
    letter-spacing: 0.3px;
    box-shadow: var(--button-shadow);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.add-bill {
    background: linear-gradient(135deg, #1e88e5, #1976d2);
    color: white;
}

.add-water {
    background: linear-gradient(135deg, #00acc1, #0097a7);
    color: white;
}

.add-rent {
    background: linear-gradient(135deg, #43a047, #388e3c);
    color: white;
}

.action-btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--hover-shadow);
}

.payment-section {
    background: linear-gradient(145deg, #ffffff, #f8f9fa);
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.payment-input {
    display: flex;
    gap: 1rem;
    margin-top: 0.5rem;
}

.payment-amount {
    padding: 0.8rem 1rem;
    border-radius: 10px;
    border: 2px solid #e0e0e0;
    transition: all 0.3s ease;
    font-size: 1.1rem;
}

.submit-payment {
    background: linear-gradient(135deg, #546e7a, #455a64);
    border-radius: 10px;
    padding: 0.8rem 1.5rem;
    font-weight: 600;
    box-shadow: var(--button-shadow);
}

.submit-payment:hover {
    background: linear-gradient(135deg, #627d89, #526875);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .payment-input {
        flex-direction: column;
    }
    
    .quick-actions {
        grid-template-columns: 1fr;
    }
}

/* Transaction History Styles */
.transaction-history {
    margin-top: 1.5rem;
    background: linear-gradient(145deg, #ffffff, #f8f9fa);
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: var(--card-shadow);
}

.transaction-history h4 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.transactions-table {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.transaction-item {
    display: grid;
    grid-template-columns: 1fr 1fr auto;
    align-items: center;
    padding: 0.75rem;
    background: linear-gradient(to right, #ffffff, #f8f9fa);
    border-radius: 10px;
    font-size: 0.9rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    border: 1px solid rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.transaction-item:hover {
    transform: translateX(5px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.transaction-type {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-color);
}

.transaction-amount {
    text-align: right;
    font-weight: 500;
}

.transaction-amount.positive {
    color: #28a745;
}

.transaction-amount.negative {
    color: #dc3545;
}

.transaction-date {
    color: #6c757d;
    font-size: 0.8rem;
}

.no-transactions {
    text-align: center;
    color: #6c757d;
    padding: 1rem;
    background: #f8f9fa;
    border-radius: 4px;
}

/* Animation for new transactions */
.transaction-item {
    animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-15px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Improve payment input */
.payment-amount:focus {
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px rgba(48, 79, 254, 0.1);
}

/* Add hover effects for action buttons */
.action-btn {
    position: relative;
    overflow: hidden;
}

.action-btn::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.3s ease, height 0.3s ease;
}

.action-btn:active::after {
    width: 200%;
    height: 200%;
}

/* Add smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Improved mobile responsiveness */
@media (max-width: 768px) {
    .balance-management-section {
        padding: 1.5rem;
    }

    .quick-actions {
        gap: 1rem;
    }

    .action-btn {
        padding: 0.8rem 1.2rem;
    }

    .bill-grid {
        padding: 1rem;
        gap: 1rem;
    }
}

/* Add glass morphism effect to cards */
.detail-card {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.8);
    border-radius: 15px;
}

/* Add subtle transitions */
.detail-item, .bill-item, .transaction-item {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Improve typography */
h2, h3, h4 {
    font-weight: 600;
    letter-spacing: -0.5px;
}

/* Add subtle border effects */
.payment-input, .bill-grid, .transaction-item {
    border: 1px solid rgba(0, 0, 0, 0.05);
}

/* Add these new styles for the bill section */
.bill-details-section {
    background: #fff;
    border-radius: 15px;
    padding: 20px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    margin-top: 20px;
}

.bill-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
    color: #2c3e50;
}

.bill-header i {
    color: #3498db;
    font-size: 1.2em;
}

.bill-info-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
    margin-bottom: 20px;
}

.bill-info-item {
    background: #f8f9fa;
    padding: 12px;
    border-radius: 10px;
    text-align: center;
}

.bill-info-label {
    font-size: 0.85rem;
    color: #6c757d;
    margin-bottom: 5px;
}

.bill-info-value {
    font-size: 1.1rem;
    font-weight: 600;
    color: #2c3e50;
}

.quick-actions {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
    margin-bottom: 20px;
}

.action-btn {
    padding: 12px;
    border: none;
    border-radius: 10px;
    color: white;
    font-weight: 500;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
    text-align: center;
    font-size: 0.9rem;
}

.action-btn i {
    font-size: 1.2rem;
}

.add-bill {
    background: linear-gradient(135deg, #3498db, #2980b9);
}

.add-water {
    background: linear-gradient(135deg, #00BCD4, #0097A7);
}

.add-rent {
    background: linear-gradient(135deg, #4CAF50, #388E3C);
}

.add-all {
    background: linear-gradient(135deg, #FF6B6B, #FF8E53);
}

.action-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.payment-section {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 10px;
    margin-top: 20px;
}

.payment-section h4 {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 15px;
    color: #2c3e50;
}

.payment-input {
    display: flex;
    gap: 10px;
}

.payment-amount {
    flex: 1;
    padding: 12px;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.2s;
}

.payment-amount:focus {
    border-color: #3498db;
    outline: none;
}

.submit-payment {
    padding: 12px 24px;
    background: linear-gradient(135deg, #34495e, #2c3e50);
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: transform 0.2s, box-shadow 0.2s;
}

.submit-payment:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* Update renter item styles */
.renter-item {
    display: flex;
    align-items: center;
    padding: 15px;
    background: white;
    border-radius: 10px;
    margin-bottom: 10px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    transition: transform 0.2s;
}

.renter-info {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 1;
}

.renter-name {
    font-weight: 500;
    color: #2c3e50;
}

.renter-ref {
    font-size: 0.8rem;
    color: #6c757d;
    background: #f8f9fa;
    padding: 2px 6px;
    border-radius: 4px;
}

/* Mobile Responsive Styles */
@media (max-width: 768px) {
    .bill-info-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .quick-actions {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }

    .action-btn {
        padding: 10px;
        font-size: 0.85rem;
    }

    .payment-input {
        flex-direction: column;
    }

    .submit-payment {
        width: 100%;
        justify-content: center;
    }
}

/* Dark mode styles for better visibility */
@media (prefers-color-scheme: dark) {
    .bill-details-section {
        background: #1a1a1a;
    }

    .bill-info-item {
        background: #2c2c2c;
    }

    .bill-info-value {
        color: #fff;
    }

    .payment-section {
        background: #2c2c2c;
    }

    .payment-amount {
        background: #1a1a1a;
        border-color: #3a3a3a;
        color: #fff;
    }
}

.payment-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    flex-wrap: wrap;
    gap: 10px;
}

.clear-balance-btn {
    background: linear-gradient(135deg, #00b09b, #96c93d);
    color: white;
    border: none;
    padding: 8px 15px;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    box-shadow: 0 2px 5px rgba(0, 176, 155, 0.2);
}

.clear-balance-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 176, 155, 0.3);
    background: linear-gradient(135deg, #00c4b0, #a8db4c);
}

.clear-balance-btn:active {
    transform: translateY(0);
    box-shadow: 0 2px 5px rgba(0, 176, 155, 0.2);
}

.clear-balance-btn i {
    font-size: 1rem;
}

/* Mobile responsive styles for payment section */
@media (max-width: 768px) {
    .payment-header {
        flex-direction: column;
        align-items: stretch;
    }

    .clear-balance-btn {
        width: 100%;
        justify-content: center;
        padding: 12px;
    }
}

/* Transaction History Styles */
.history-btn {
    background: none;
    border: none;
    color: white;
    font-size: 1.2rem;
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    margin-left: 55%;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}


/* Mobile responsive styles for payment section */
@media (max-width: 768px) {
/* Transaction History Styles */
.history-btn {
    margin-left: 60%;
}

}


.history-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: rotate(-15deg);
}

.transaction-history-modal {
    max-width: 800px;
    width: 90%;
    max-height: 90vh;
}

.transaction-history-modal .modal-body {
    padding: 0;
    overflow-y: auto;
    max-height: calc(90vh - 60px);
}

.transaction-filter {
    padding: 15px;
    background: #1a1a1a;
    position: sticky;
    top: 0;
    z-index: 1;
    border-radius: 30px;
}

.transaction-search {
    width: 100%;
    padding: 12px;
    border: 1px solid #333;
    border-radius: 8px;
    background: #2c2c2c;
    color: white;
    font-size: 1rem;
}

.transaction-search:focus {
    outline: none;
    border-color: #3498db;
}

.transactions-list {
    padding: 15px;
}

.transaction-item {
    background: #2c2c2c;
    border-radius: 10px;
    padding: 15px;
    margin-bottom: 15px;
    transition: transform 0.2s;
}

.transaction-item:hover {
    transform: translateY(-2px);
}

.transaction-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 10px;
    flex-wrap: wrap;
    gap: 10px;
}

.transaction-user {
    display: flex;
    align-items: center;
    gap: 8px;
    color: white;
    flex-wrap: wrap;
}

.ref-no {
    color: #666;
    font-size: 0.8rem;
    background: #1a1a1a;
    padding: 2px 6px;
    border-radius: 4px;
}

.transaction-amount {
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 5px;
}

.positive-change .transaction-amount {
    color: #00b09b;
}

.negative-change .transaction-amount {
    color: #ff6b6b;
}

.transaction-details {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    font-size: 0.9rem;
    color: #999;
    margin-top: 10px;
    flex-wrap: wrap;
    gap: 15px;
}

.balance-change {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.transaction-info {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 5px;
}

.transaction-type {
    color: #888;
    font-size: 0.9rem;
}

.transaction-time {
    font-size: 0.8rem;
    color: #666;
    background: #1a1a1a;
    padding: 4px 8px;
    border-radius: 4px;
    white-space: nowrap;
}

/* Mobile responsive adjustments */
@media (max-width: 768px) {
    .transaction-history-modal {
        width: 100%;
        height: 100vh;
        max-height: 100vh;
        margin: 0;
        border-radius: 0;
    }

    .transaction-history-modal .modal-content {
        height: 100vh;
        border-radius: 0;
        padding: 15px;
    }

    .transaction-history-modal .modal-body {
        max-height: calc(100vh - 60px);
    }

    .transaction-item {
        padding: 12px;
    }

    .transaction-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .transaction-user {
        width: 100%;
    }

    .transaction-amount {
        margin-left: 28px;
    }

    .transaction-details {
        flex-direction: column;
        gap: 12px;
        margin-left: 28px;
    }

    .balance-change {
        width: 100%;
    }

    .transaction-info {
        width: 100%;
        align-items: flex-start;
    }

    .transaction-type, .transaction-time {
        width: auto;
        text-align: left;
    }
}

/* Responsive adjustments for smaller screens */
@media (max-width: 385px) {
    .container {
        padding: 10px;
    }

    header {
        padding: 15px 10px;
    }

    header h1 {
        font-size: 1.2rem;
    }

    .history-btn {
        margin-left: 10px;
        font-size: 1rem;
        padding: 6px;
    }

    .detail-card {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .bill-info-grid {
        grid-template-columns: 1fr;
        gap: 10px;
    }

    .quick-actions {
        grid-template-columns: 1fr;
        gap: 8px;
    }

    .action-btn {
        padding: 8px;
        font-size: 0.8rem;
    }

    .action-btn i {
        font-size: 1rem;
    }

    .payment-section {
        padding: 15px 10px;
    }

    .payment-amount {
        padding: 8px;
        font-size: 0.9rem;
    }

    .submit-payment {
        padding: 8px 16px;
        font-size: 0.9rem;
    }

    .transaction-history-modal {
        width: 100%;
        margin: 0;
    }

    .transaction-history-modal .modal-content {
        padding: 10px;
    }

    .transaction-filter {
        padding: 10px;
    }

    .transaction-search {
        padding: 8px;
        font-size: 0.9rem;
    }

    .transaction-item {
        padding: 10px;
        margin-bottom: 10px;
    }

    .transaction-header {
        gap: 6px;
    }

    .transaction-user {
        font-size: 0.9rem;
    }

    .ref-no {
        font-size: 0.75rem;
        padding: 2px 4px;
    }

    .transaction-amount {
        font-size: 0.9rem;
    }

    .transaction-details {
        font-size: 0.85rem;
        gap: 8px;
        margin-left: 20px;
    }

    .transaction-time {
        font-size: 0.75rem;
        padding: 3px 6px;
    }

    .modal-content {
        width: 95%;
        padding: 15px;
    }

    .modal-header h2 {
        font-size: 1.2rem;
    }

    .form-group input {
        padding: 8px;
        font-size: 0.9rem;
    }

    .btn-primary, .btn-secondary {
        padding: 8px 16px;
        font-size: 0.85rem;
    }

    .fab {
        width: 48px;
        height: 48px;
        font-size: 20px;
        bottom: 20px;
        right: 20px;
    }

    .renter-item {
        padding: 12px 10px;
    }

    .renter-info {
        gap: 8px;
    }

    .actions {
        gap: 6px;
    }

    .edit-btn, .delete-btn {
        padding: 5px;
    }
}

/* Additional adjustments for screens between 386px and 768px */
@media (min-width: 386px) and (max-width: 768px) {
    .container {
        padding: 12px;
    }

    header h1 {
        font-size: 1.3rem;
    }

    .history-btn {
        margin-left: 15px;
    }

    .bill-info-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .quick-actions {
        grid-template-columns: repeat(2, 1fr);
    }

    .transaction-item {
        padding: 12px;
    }
}

/* Ensure modals are properly sized on all screens */
@media (max-width: 768px) {
    .modal-content {
        max-height: 90vh;
        overflow-y: auto;
    }

    .transaction-history-modal .modal-content {
        height: 100vh;
        max-height: 100vh;
    }

    .transaction-history-modal .modal-body {
        max-height: calc(100vh - 120px);
    }
}