body {
    font-family: 'Segoe UI', Arial, sans-serif;
    background: #f5f6fa;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}
.container {
    background: #fff;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.10);
    max-width: 350px;
    width: 100%;
    box-sizing: border-box;
}
h2 {
    text-align: center;
    margin-bottom: 1.5rem;
    color: #23262f;
    letter-spacing: 1px;
    font-size: 1.5rem;
}
.totals-banner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #f5f6fa;
    border-radius: 8px;
    padding: 0.7rem 1rem;
    margin-bottom: 1.2rem;
    font-size: 1.05rem;
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}
.total-expense {
    color: #ff4c4c;
}
.total-income {
    color: #00B34A;
}
.form-group {
    margin-bottom: 1rem;
}
label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: #353945;
}
input[type="text"], input[type="number"], input[type="date"] {
    width: 100%;
    padding: 0.7rem;
    border: 1px solid #b5b8c5;
    border-radius: 6px;
    font-size: 1rem;
    background: #f5f6fa;
    color: #23262f;
    transition: border 0.2s;
    box-sizing: border-box;
}
input[type="text"]:focus, input[type="number"]:focus {
    border-color: #ffb300;
    outline: none;
}
.btn-group {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}
button {
    flex: 1;
    padding: 0.7rem;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    cursor: pointer;
    transition: background 0.2s, box-shadow 0.2s;
    font-weight: 600;
}
.expense-btn {
    background: #ff4c4c;
    color: #fff;
    box-shadow: 0 2px 8px rgba(255,76,76,0.10);
}
.expense-btn:hover {
    background: #d32f2f;
}
.income-btn {
    background: #00C853;
    color: #fff;
    box-shadow: 0 2px 8px rgba(255,179,0,0.10);
}
.income-btn:hover {
    background: #00B34A;
}
.view-transactions-btn {background:#23262f; color:#fff; padding:0.7rem 1.2rem; border-radius:6px; border:none; font-size:1rem; font-weight:600; cursor:pointer;}
@media (max-width: 500px) {
    body {
        align-items: flex-start;
        min-height: 100vh;
        padding: 1rem;
    }
    .container {
        padding: 1rem;
        max-width: 100%;
        border-radius: 8px;
        box-shadow: none;
    }
    h2 {
        font-size: 1.2rem;
        margin-bottom: 1rem;
    }
    .totals-banner {
        flex-direction: column;
        gap: 0.5rem;
        font-size: 1rem;
        padding: 0.5rem 0.7rem;
    }
    .btn-group {
        flex-direction: column;
        gap: 0.7rem;
    }
    button {
        font-size: 0.95rem;
        padding: 0.6rem;
    }
    input[type="text"], input[type="number"] {
        font-size: 0.95rem;
        padding: 0.6rem;
    }
}
@media (max-width: 350px) {
    .container {
        padding: 0.5rem;
    }
    h2 {
        font-size: 1rem;
    }
    .totals-banner {
        font-size: 0.9rem;
    }
}
.current-month-year {
    display: inline-block;
    background: linear-gradient(90deg, #ffb300 0%, #ff4c4c 100%);
    color: #fff;
    font-weight: 600;
    font-size: 1.08rem;
    padding: 0.4rem 1rem;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(255,179,0,0.08);
    margin-bottom: 1rem;
    letter-spacing: 0.5px;
}
.totals-banner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #f5f6fa;
    border-radius: 8px;
    padding: 0.7rem 1rem;
    margin-bottom: 1.2rem;
    font-size: 1.05rem;
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
    gap: 0.5rem;
}
.remaining-budget {
    color: #23262f;
    background: #e0e7ff;
    border-radius: 6px;
    padding: 0.2rem 0.7rem;
}
.last-transaction {
    margin-top: 1rem;
    padding: 0.7rem 1rem;
    background: #e0e7ff; /* soft light blue like remaining-budget */
    color: #23262f;
    font-weight: 600;
    font-size: 1rem;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    text-align: center;
    letter-spacing: 0.4px;
}