/* Styles for 15x15 Room Flooring Estimator Calculator */
.calcufacil-15x15_room_flooring.calcufacil-container {
    max-width: 800px; 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 #A1887F; /* Earthy Brown for construction */
    box-sizing: border-box;
}
.calcufacil-15x15_room_flooring.calcufacil-container *,
.calcufacil-15x15_room_flooring.calcufacil-container *::before,
.calcufacil-15x15_room_flooring.calcufacil-container *::after { box-sizing: border-box; }

.calcufacil-15x15_room_flooring h2 {
    width: 100%; text-align: center; color: #5D4037; /* Darker Brown */
    margin-top:0; margin-bottom: 5px; font-size: 1.6em;
}
.calcufacil-15x15_room_flooring .calculator-form > p.note:first-of-type { /* For room area display */
    text-align: center; font-weight: bold; color: #6D4C41; margin-bottom: 15px; font-size:1.05em;
}
.calcufacil-15x15_room_flooring .calcufacil-left.calculator-form {
    flex: 1; min-width: 300px; padding: 20px; background-color: #fff;
    border-radius: 8px; box-shadow: 0 2px 8px rgba(0,0,0,0.05); border: 1px solid #EFEBE9;
}
.calcufacil-15x15_room_flooring .calcufacil-right.results {
    flex: 1; min-width: 300px; background: #F5F5F5; /* Light background */
    padding: 25px; border-radius: 8px; border: 1px solid #E0E0E0;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05); display: flex; flex-direction: column;
    justify-content: flex-start; align-items: center;
}

.calcufacil-15x15_room_flooring .input-group { margin-bottom: 15px; }
.calcufacil-15x15_room_flooring label {
    display: block; font-weight: 600; color: #4E342E; /* Brown text */
    margin-bottom: 6px; font-size: 0.95em;
}
.calcufacil-15x15_room_flooring input[type="text"],
.calcufacil-15x15_room_flooring input[type="number"],
.calcufacil-15x15_room_flooring select {
    width: 100%; padding: 10px 12px; border: 1px solid #BCAAA4; /* Brown border */
    border-radius: 5px; font-size: 1em; background: #FFFDFC; font-family: sans-serif;
}
.calcufacil-15x15_room_flooring input[type="text"]:focus,
.calcufacil-15x15_room_flooring input[type="number"]:focus,
.calcufacil-15x15_room_flooring select:focus {
    border-color: #795548; box-shadow: 0 0 0 2px rgba(121, 85, 72, 0.2); outline: none;
}
.calcufacil-15x15_room_flooring .note { font-size: 0.8em; color: #6D4C41; margin-top: 4px; line-height: 1.3; }
.calcufacil-15x15_room_flooring .conditional-floor-inputs { margin-top:10px; padding-top:10px; border-top:1px dashed #E0E0E0;}


.calcufacil-15x15_room_flooring button[type="submit"] {
    background-color: #795548; /* Brown */ color: #fff; padding: 12px 25px;
    border: none; border-radius: 5px; cursor: pointer; font-size: 1.05em;
    width: 100%; transition: background-color 0.3s ease; font-weight: 600; margin-top:15px;
}
.calcufacil-15x15_room_flooring button[type="submit"]:hover { background-color: #5D4037; }

/* Results Styling */
.calcufacil-15x15_room_flooring .results-header h2 { color: #5D4037; margin-bottom: 20px; font-size: 1.4em; }
.calcufacil-15x15_room_flooring .initial-message {
    text-align: center; color: #5D4037; font-style: italic; padding: 20px;
    background-color: #F5F5F5; border: 1px dashed #BCAAA4; border-radius: 5px; width:100%;
}
.calcufacil-15x15_room_flooring .calculation-summary { width: 100%; text-align: center; margin-bottom: 20px; }
.calcufacil-15x15_room_flooring .calculation-desc { font-size: 1.05em; color: #4E342E; margin-bottom: 15px; }
.calcufacil-15x15_room_flooring .calculation-desc strong { font-weight: bold; color: #3E2723; }

.calcufacil-15x15_room_flooring .main-result {
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    background-color: #EFEBE9; padding: 15px; border-radius: 8px;
    border: 1px solid #D7CCC8; font-size: 1.1em; color: #4E342E;
    margin-bottom: 10px; width: 100%;
}
.calcufacil-15x15_room_flooring .main-result.final-result {
    background-color: #A1887F; /* Medium Brown */ color: #fff; font-size: 1.4em;
    padding: 20px; border-color: #795548; margin-top:10px; font-weight: bold;
}
.calcufacil-15x15_room_flooring .main-result span:first-child { font-size: 0.8em; }
.calcufacil-15x15_room_flooring .main-result span:last-child { font-size: 1.8em; font-weight: bold; margin-top: 5px; }
.calcufacil-15x15_room_flooring .math-notation { font-style: italic; font-size: 0.9em; color: #6D4C41; text-align: left; margin-top:10px;}

.calcufacil-15x15_room_flooring .errors {
    color: #D32F2F; background-color: #FFCDD2; border: 1px solid #EF9A9A;
    padding: 10px 15px; border-radius: 4px; margin: 15px 0; text-align: center; width:100%;
}
.calcufacil-15x15_room_flooring .errors ul { list-style: none; padding: 0; margin: 0; }

.calcufacil-15x15_room_flooring .disclaimer-box.info {
    padding: 15px; background-color: #F9FBE7; /* Light Yellow-Green for info */
    border: 1px solid #F0F4C3; border-left: 5px solid #AFB42B; /* Lime accent */
    border-radius: 8px; font-size: 0.85em; color: #555; width:100%;
}
.calcufacil-15x15_room_flooring .disclaimer-box.info h4 {
    color: #827717; font-size: 1.1em; margin-top: 0; margin-bottom: 10px;
}
.calcufacil-15x15_room_flooring .disclaimer-box.info ul { list-style: disc; margin-left: 20px; padding-left: 0; line-height: 1.6; }

/* Responsive */
@media (max-width: 768px) {
    .calcufacil-15x15_room_flooring.calcufacil-container { flex-direction: column; gap: 20px; padding: 15px; }
    .calcufacil-15x15_room_flooring .calcufacil-left.calculator-form,
    .calcufacil-15x15_room_flooring .calcufacil-right.results { min-width: unset; width: 100%; }
    .calcufacil-15x15_room_flooring h2 { font-size: 1.4em; }
    .calcufacil-15x15_room_flooring .results-header h2 { font-size: 1.25em; }
    .calcufacil-15x15_room_flooring .main-result.final-result span:last-child { font-size: 1.6em; }
}