/* General Styles */
:root {
    --primary-color: #4a90e2;
    --secondary-color: #f5a623;
    --background-color: #f4f7f6;
    --text-color: #333;
    --card-bg-color: #fff;
    --border-color: #ddd;
}

[data-theme="dark"] {
    --primary-color: #4a90e2;
    --secondary-color: #f5a623;
    --background-color: #2c3e50;
    --text-color: #ecf0f1;
    --card-bg-color: #34495e;
    --border-color: #4a627a;
}

body {
    background-color: var(--background-color);
    color: var(--text-color);
    font-family: 'Arial', sans-serif;
    transition: background-color 0.3s, color 0.3s;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

header {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    margin-bottom: 20px;
}

h1 {
    color: var(--primary-color);
}

/* Theme Switcher */
.theme-switcher .switch {
    position: relative;
    display: inline-block;
    width: 60px;
    height: 34px;
}

.theme-switcher .switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.theme-switcher .slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    transition: .4s;
}

.theme-switcher .slider:before {
    position: absolute;
    content: "";
    height: 26px;
    width: 26px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: .4s;
}

.theme-switcher input:checked + .slider {
    background-color: var(--primary-color);
}

.theme-switcher input:checked + .slider:before {
    transform: translateX(26px);
}

.theme-switcher .slider.round {
    border-radius: 34px;
}

.theme-switcher .slider.round:before {
    border-radius: 50%;
}

/* Filters Section */
.filters {
    margin-bottom: 20px;
    background-color: var(--card-bg-color);
    padding: 20px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}
.filters #month-select {
    cursor: pointer;
    font-weight: bold;
    font-size: 1.1rem;
}


/* Summary Section */
.summary {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

.card {
    background-color: var(--card-bg-color);
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    border: 1px solid var(--border-color);
}

.card h2 {
    margin-top: 0;
}

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

.icon-btn {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.2rem;
}

/* Transaction Form */
.transaction-form {
    background-color: var(--card-bg-color);
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    border: 1px solid var(--border-color);
}

.form-control {
    margin-bottom: 15px;
}

.form-control label {
    display: block;
    margin-bottom: 5px;
}

.form-control input,
.form-control select {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background-color: var(--background-color);
    color: var(--text-color);
}

.form-control #day-context-label {
    display: block;
    margin-top: 5px;
}

.btn {
    background-color: var(--primary-color);
    color: #fff;
    border: none;
    padding: 10px 20px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
}

.btn:hover {
    opacity: 0.9;
}

/* Transaction List */
.transaction-list ul {
    list-style-type: none;
    padding: 0;
}

.transaction-list li {
    background-color: var(--card-bg-color);
    padding: 15px;
    border-radius: 4px;
    margin-bottom: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border: 1px solid var(--border-color);
}

.transaction-list li .transaction-info {
    display: flex;
    flex-direction: column;
}

.transaction-list li .transaction-details {
    flex-grow: 1;
    font-weight: bold;
    margin-bottom: 5px;
}

.transaction-list li .transaction-actions button {
    background: none;
    border: none;
    color: var(--text-color);
    cursor: pointer;
    margin-left: 10px;
    font-size: 1rem;
}

.transaction-list li .transaction-actions button:hover {
    opacity: 0.7;
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 1;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0,0,0,0.5);
}

.modal-content {
    background-color: var(--card-bg-color);
    margin: 15% auto;
    padding: 20px;
    border: 1px solid var(--border-color);
    width: 80%;
    max-width: 500px;
    border-radius: 8px;
    position: relative;
}

.close-btn {
    color: var(--text-color);
    position: absolute;
    top: 10px;
    right: 20px;
    font-size: 28px;
    font-weight: bold;
}

.close-btn:hover,
.close-btn:focus {
    color: #f44336;
    text-decoration: none;
    cursor: pointer;
}

.modal-content h2 {
    color: var(--primary-color);
}

/* Month Picker Modal Styles */
.calendar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.calendar-header button {
    background: none;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 5px 10px;
    cursor: pointer;
    color: var(--text-color);
}

.calendar-header span {
    font-size: 1.5rem;
    font-weight: bold;
}

.months-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
}

.month-cell {
    padding: 20px;
    text-align: center;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    cursor: pointer;
}
.month-cell:hover {
    background-color: var(--primary-color);
    color: #fff;
}

/* Charts */
.charts {
    background-color: var(--card-bg-color);
    padding: 20px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.chart-container {
    position: relative;
    height: 40vh;
    width: 100%;
}

/* Responsive Design */
@media (max-width: 768px) {
    .summary {
        grid-template-columns: 1fr;
    }
}