/* Styles for Flight Carbon Footprint Calculator */
.calcufacil-flight_carbon_footprint.calcufacil-container {
    max-width: 750px; margin: 25px auto; background: #fdfdfd; padding: 25px;
    border-radius: 10px; box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    display: flex; flex-direction: row; flex-wrap: wrap; gap: 30px; font-family: 'Arial', sans-serif;
    border: 1px solid #e0e0e0;
}
.calcufacil-flight_carbon_footprint h2 {
    width: 100%; text-align: center; color: #78909C; /* Blue Grey accent for environment/sky */ margin-bottom: 25px; font-size: 24px;
}
.calcufacil-flight_carbon_footprint .calcufacil-left.calculator-form {
    flex: 1; min-width: 280px; padding: 20px; background-color: #fff;
    border-radius: 8px; box-shadow: 0 2px 8px rgba(0,0,0,0.05); border: 1px solid #eee;
}
.calcufacil-flight_carbon_footprint .calcufacil-right.results {
    flex: 1; min-width: 280px; background: #ECEFF1; /* Light Blue Grey */ padding: 25px;
    border-radius: 8px; border: 1px solid #CFD8DC; box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    display: flex; flex-direction: column; justify-content: center; align-items: center;
}
.calcufacil-flight_carbon_footprint .input-group { margin-bottom: 18px; display: flex; flex-wrap: wrap; align-items: flex-end;}
.calcufacil-flight_carbon_footprint .input-group label { flex-basis: 100%; margin-bottom: 8px; }
.calcufacil-flight_carbon_footprint input[type="text"],
.calcufacil-flight_carbon_footprint input[type="number"],
.calcufacil-flight_carbon_footprint select {
    flex-grow: 1; padding: 10px 12px; border: 1px solid #B0BEC5; /* Medium Blue Grey border */
    border-radius: 5px; box-sizing: border-box; font-size: 15px; background: #F8F9FB; /* Very Light Blue Grey background */
    font-family: sans-serif;
}
.calcufacil-flight_carbon_footprint .input-group select {
    flex-grow: 0;
    width: auto;
    margin-left: 10px;
}
.calcufacil-flight_carbon_footprint input[type="text"]:focus,
.calcufacil-flight_carbon_footprint input[type="number"]:focus,
.calcufacil-flight_carbon_footprint select:focus {
    border-color: #78909C;
    box-shadow: 0 0 0 2px rgba(120, 144, 156, 0.2);
    outline: none;
}
.calcufacil-flight_carbon_footprint .note {
    font-size: 0.85em; color: #666; margin-top: 5px; line-height: 1.4; flex-basis: 100%;
}

.calcufacil-flight_carbon_footprint button {
    background-color: #78909C; /* Blue Grey */ color: #fff; padding: 12px 25px;
    border: none; border-radius: 5px; cursor: pointer; font-size: 16px;
    width: 100%; transition: background-color 0.3s ease; font-weight: bold;
}
.calcufacil-flight_carbon_footprint button:hover { background-color: #607D8B; /* Darker Blue Grey */ }

/* Results Styling */
.calcufacil-flight_carbon_footprint .results-header h2 {
    color: #607D8B; /* Darker Blue Grey */ margin-bottom: 20px; font-size: 20px;
}
.calcufacil-flight_carbon_footprint .initial-message {
    text-align: center; color: #777; font-style: italic; padding: 20px;
    background-color: #F8F9FB; border: 1px dashed #D0D0D0; border-radius: 5px;
}
.calcufacil-flight_carbon_footprint .calculation-summary {
    width: 100%; text-align: center; margin-bottom: 25px;
}
.calcufacil-flight_carbon_footprint .calculation-desc {
    font-size: 1.1em; color: #555; margin-bottom: 15px;
}
.calcufacil-flight_carbon_footprint .main-result {
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    background-color: #CFD8DC; /* Medium light Blue Grey */ padding: 20px; border-radius: 8px;
    border: 1px solid #78909C; font-size: 1.2em; color: #263238; /* Darkest Blue Grey */
}
.calcufacil-flight_carbon_footprint .main-result.final-result {
    background-color: #90A4AE; /* More prominent blue grey */
    border-color: #607D8B;
    color: #FFFFFF;
    padding: 25px;
    font-size: 1.4em;
    margin-top: 20px;
}
.calcufacil-flight_carbon_footprint .main-result span:first-child {
    font-weight: normal; font-size: 0.8em; color: inherit;
}
.calcufacil-flight_carbon_footprint .main-result span:last-child {
    font-size: 2.2em; font-weight: bold; margin-top: 5px; color: inherit;
}
.calcufacil-flight_carbon_footprint .main-result.final-result span:first-child {
    font-size: 0.7em;
}
.calcufacil-flight_carbon_footprint .main-result.final-result span:last-child {
    font-size: 2.5em;
}
.calcufacil-flight_carbon_footprint .math-notation {
    font-style: italic; font-size: 0.9em; color: #777; margin-top: 10px;
}
.calcufacil-flight_carbon_footprint .errors {
    color: #D32F2F; background-color: #FFCDD2; border: 1px solid #EF9A9A; padding: 10px 15px; border-radius: 4px; margin-top: 15px;
    text-align: center;
}
.calcufacil-flight_carbon_footprint .errors ul { list-style: none; padding: 0; margin: 0; }
.calcufacil-flight_carbon_footprint .errors li { margin-bottom: 5px; }
.calcufacil-flight_carbon_footprint .errors li:last-child { margin-bottom: 0; }

.calcufacil-flight_carbon_footprint .disclaimer-box {
    margin-top: 20px; padding: 15px; background-color: #F8F9FB;
    border: 1px solid #CFD8DC; border-left: 5px solid #607D8B; /* Darker blue-grey accent */
    border-radius: 8px; font-size: 0.88em; color: #555;
}
.calcufacil-flight_carbon_footprint .disclaimer-box.critical h4 {
    color: #B71C1C; /* Dark red for critical warning */
}
.calcufacil-flight_carbon_footprint .disclaimer-box ul {
    list-style: disc; margin-left: 20px; padding-left: 0; line-height: 1.6;
}

/* Responsive */
@media (max-width: 768px) {
    .calcufacil-flight_carbon_footprint.calcufacil-container {
        flex-direction: column; gap: 20px; padding: 15px;
    }
    .calcufacil-flight_carbon_footprint .input-group input[type="text"] + select {
        margin-left: 0;
        margin-top: 10px; /* Stack on smaller screens */
        width: 100%;
    }
    .calcufacil-flight_carbon_footprint .calcufacil-left.calculator-form,
    .calcufacil-flight_carbon_footprint .calcufacil-right.results {
        min-width: unset; width: 100%;
    }
}