/* --- تنظیمات کلی و فونت --- */
:root {
    --primary-color: #4a90e2;
    --secondary-color: #f5a623;
    --success-color: #2ecc71;
    --danger-color: #e74c3c;
    --light-color: #f4f4f4;
    --dark-color: #333;
    --background-color: #f9fafb;
    --card-bg: #ffffff;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

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

body {
    font-family: 'Vazirmatn', sans-serif;
    background-color: var(--background-color);
    color: var(--dark-color);
    line-height: 1.6;
    direction: rtl;
    text-align: right;
}

.container {
    max-width: 900px;
    margin: 2rem auto;
    padding: 1rem 2rem;
}

header h1 {
    text-align: center;
    color: var(--primary-color);
    margin-bottom: 2rem;
    font-size: 2.5rem;
}

/* --- بخش خلاصه حساب --- */
.summary {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

.summary .card {
    background-color: var(--card-bg);
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    text-align: center;
    border-top: 5px solid var(--primary-color);
}

.summary .income-card { border-top-color: var(--success-color); }
.summary .expense-card { border-top-color: var(--danger-color); }

.summary .card h4 {
    margin-bottom: 0.5rem;
    font-size: 1rem;
    color: #666;
}

.summary .card h2 {
    font-size: 2rem;
    font-weight: 700;
}

/* --- فرم تراکنش --- */
.transaction-form-section {
    background-color: var(--card-bg);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    margin-bottom: 2.5rem;
}

.transaction-form-section h3 {
    margin-bottom: 1.5rem;
    border-bottom: 2px solid var(--light-color);
    padding-bottom: 0.5rem;
}

.form-control {
    margin-bottom: 1rem;
}

.form-control label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.form-control input,
.form-control select,
.form-control textarea {
    width: 100%;
    padding: 0.8rem;
    border-radius: 8px;
    border: 1px solid #ddd;
    font-family: 'Vazirmatn', sans-serif;
    transition: border-color 0.3s ease;
}

.form-control input:focus,
.form-control select:focus,
.form-control textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

/* --- دکمه‌ها --- */
.btn {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    border: none;
    border-radius: 8px;
    color: #fff;
    cursor: pointer;
    font-family: 'Vazirmatn', sans-serif;
    font-size: 1rem;
    transition: background-color 0.3s ease, transform 0.2s ease;
    margin-left: 0.5rem;
}

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

.btn-primary { background-color: var(--primary-color); }
.btn-primary:hover { background-color: #3a80d2; }

.btn-secondary { background-color: #6c757d; }
.btn-secondary:hover { background-color: #5a6268; }

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

.btn-warning { background-color: var(--secondary-color); }
.btn-warning:hover { background-color: #e09613; }

.btn-info { background-color: #17a2b8; }
.btn-info:hover { background-color: #138496; }

/* --- لیست تراکنش‌ها --- */
.transactions-list-section h3 {
    margin-bottom: 1.5rem;
    border-bottom: 2px solid var(--light-color);
    padding-bottom: 0.5rem;
}

.transaction-card {
    background-color: var(--card-bg);
    padding: 1rem 1.5rem;
    border-radius: 8px;
    box-shadow: var(--shadow);
    margin-bottom: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-right: 5px solid;
    transition: box-shadow 0.3s ease;
}

.transaction-card:hover {
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.12);
}

.transaction-card.income { border-right-color: var(--success-color); }
.transaction-card.expense { border-right-color: var(--danger-color); }

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

.transaction-details .title {
    font-weight: 700;
    font-size: 1.1rem;
}

.transaction-details .amount {
    font-weight: 700;
    font-size: 1.2rem;
}

.transaction-card.income .amount { color: var(--success-color); }
.transaction-card.expense .amount { color: var(--danger-color); }

.transaction-details .meta {
    font-size: 0.85rem;
    color: #777;
    margin-top: 0.25rem;
}

.transaction-actions {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.transaction-actions .btn {
    padding: 0.4rem 0.8rem;
    font-size: 0.8rem;
    width: 80px;
    text-align: center;
}

footer {
    text-align: center;
    margin-top: 3rem;
    color: #888;
}

/* --- طراحی ریسپانسیو --- */
@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }

    header h1 {
        font-size: 2rem;
    }

    .transaction-card {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .transaction-actions {
        flex-direction: row;
        width: 100%;
        justify-content: flex-end;
    }

    .transaction-actions .btn {
        width: auto;
    }
}