body {
    font-family: 'Open Sans', sans-serif;
    background-color: #e0f7fa; /* Light cyan background */
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    padding: 20px;
    box-sizing: border-box;
    overflow-y: auto; /* Allow scrolling for longer content */
    transition: background-color 0.5s ease; /* Smooth background transition */
}

.app-container {
    background-color: #ffffff;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    padding: 30px;
    max-width: 800px;
    width: 100%;
    text-align: center;
    position: relative;
    overflow: hidden; /* Hide overflow during stage transitions */
}

.stage {
    display: none;
    animation: fadeIn 0.5s ease-out forwards;
}

.stage.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

h1, h2 {
    font-family: 'Fredoka One', cursive;
    color: #00796b; /* Dark teal */
    margin-bottom: 20px;
}

p {
    color: #555;
    line-height: 1.6;
    margin-bottom: 15px;
}

.teacher-img {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 20px;
    border: 4px solid #4db6ac; /* Medium teal border */
}

.intro-text {
    font-size: 1.1em;
    color: #333;
}

/* Buttons */
.main-btn, .secondary-btn, .emotion-btn, .action-btn {
    padding: 12px 25px;
    border: none;
    border-radius: 30px;
    font-size: 1.1em;
    cursor: pointer;
    transition: all 0.3s ease;
    margin: 10px 8px;
    font-family: 'Open Sans', sans-serif;
    font-weight: 700;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.main-btn {
    background-color: #26a69a; /* Teal */
    color: white;
}

.main-btn:hover {
    background-color: #00897b; /* Darker teal */
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.secondary-btn {
    background-color: #bdbdbd; /* Light grey */
    color: #333;
}

.secondary-btn:hover {
    background-color: #9e9e9e; /* Darker grey */
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.emotions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 15px;
    margin-top: 30px;
}

.emotion-btn {
    background-color: #e0f2f7; /* Light blue-grey */
    color: #333;
    padding: 20px 10px;
    font-size: 1.5em;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
    border: 2px solid #b2ebf2;
}

.emotion-btn:hover {
    background-color: #b2ebf2; /* Medium blue-grey */
    transform: scale(1.05);
    border-color: #00bcd4; /* Brighter blue */
}

.emotion-btn.selected {
    background-color: #4dd0e1; /* Even brighter blue */
    border-color: #00bcd4;
    transform: scale(1.08);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

/* --- STYLES FOR STAGE 3 CHECKBOXES AND TEXTAREAS --- */
/* Large emotion emoji style in Stage 3 */
.large-emotion-emoji-style {
    font-size: 3em; /* Make it large */
    display: block;
    margin-bottom: 10px;
}

.question-section {
    background-color: #f8fcfd; /* Very light blue background for sections */
    padding: 20px;
    border-radius: 15px;
    margin-bottom: 25px;
    border: 1px solid #e0f7fa; /* Subtle border */
    text-align: left;
}

.choices-grid {
    /* FIXED: Force 2 columns on wider screens */
    display: grid;
    grid-template-columns: repeat(2, 1fr); /* Force 2 columns */
    gap: 10px;
    margin-top: 15px;
    margin-bottom: 15px;
}

.checkbox-container {
    display: block;
    position: relative;
    padding-left: 35px;
    margin-bottom: 12px;
    cursor: pointer;
    font-size: 1em;
    color: #333;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    text-align: left; /* Align text within label */
    display: flex; /* Use flexbox for icon and text alignment */
    align-items: center; /* Vertically center icon and text */
    min-height: 22px; /* Ensure enough height for checkbox */

    /* Styles to keep text on a single line */
    white-space: nowrap; /* Prevent text from wrapping */
    overflow: hidden;    /* Hide overflowed text */
    text-overflow: ellipsis; /* Add "..." for overflowed text */
    padding-right: 10px; /* Give some space for ellipsis */
}
.checkbox-container .checkbox-icon { /* The emoji icon itself within the label */
    font-size: 1.2em; /* Slightly larger emoji */
    margin-right: 8px; /* Space between icon and text */
    display: inline-block; /* Ensure it respects margins */
    flex-shrink: 0; /* Prevent icon from shrinking */
}


/* Hide the browser's default checkbox */
.checkbox-container input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}

/* Create a custom checkbox */
.checkmark {
    position: absolute;
    top: 0; /* Align with the top of the label's content */
    left: 0;
    height: 22px;
    width: 22px;
    background-color: #eee;
    border-radius: 5px;
    border: 1px solid #ccc;
}

/* On mouse-over, add a light-blue background color */
.checkbox-container:hover input ~ .checkmark {
    background-color: #cfe9ed;
}

/* When the checkbox is checked, add a blue background */
.checkbox-container input:checked ~ .checkmark {
    background-color: #4dd0e1; /* Teal */
    border-color: #00bcd4;
}

/* Create the checkmark/indicator (hidden when not checked) */
.checkmark:after {
    content: "";
    position: absolute;
    display: none;
}

/* Show the checkmark when checked */
.checkbox-container input:checked ~ .checkmark:after {
    display: block;
}

/* Style the checkmark */
.checkbox-container .checkmark:after {
    left: 7px;
    top: 3px;
    width: 5px;
    height: 10px;
    border: solid white;
    border-width: 0 3px 3px 0;
    -webkit-transform: rotate(45deg);
    -ms-transform: rotate(45deg);
    transform: rotate(45deg);
}

.other-textarea {
    width: calc(100% - 20px);
    padding: 15px;
    margin-top: 10px; /* Reduced margin */
    border: 2px solid #b2ebf2; /* Light blue border */
    border-radius: 10px;
    font-size: 1.1em;
    color: #333;
    resize: vertical;
    min-height: 60px; /* Slightly smaller default height */
    font-family: 'Open Sans', sans-serif;
    box-shadow: inset 0 1px 3px rgba(0,0,0,0.05);
    display: none; /* Hidden by default */
}

.other-textarea:focus {
    outline: none;
    border-color: #00bcd4; /* Brighter blue on focus */
    box-shadow: 0 0 0 3px rgba(0, 188, 212, 0.2);
}

/* --- NEW FLASH MESSAGE STYLES --- */
.flash-message {
    font-weight: bold;
    font-size: 1.1em;
    margin-top: 10px; /* Space above */
    margin-bottom: 10px; /* Space below */
    padding: 8px 15px;
    border-radius: 20px; /* More rounded */
    opacity: 0; /* Hidden by default */
    transition: opacity 0.4s ease-out; /* Smooth fade */
    display: none; /* Hidden by default, changed by JS */
    text-align: center;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1); /* Subtle shadow */
    width: fit-content; /* Fit content */
    max-width: 90%; /* Max width */
    margin-left: auto; /* Center horizontally */
    margin-right: auto; /* Center horizontally */
}

.why-message {
    color: white;
    background-color: #673ab7; /* Deep Purple */
}

.what-do-message {
    color: white;
    background-color: #4caf50; /* Green */
}


/* --- Dynamic Emotion-based Background Colors for the entire body --- */
body.emotion-active-happy-bg { background-color: #fffde7; } /* Pale yellow */
body.emotion-active-sad-bg { background-color: #e3f2fd; } /* Light blue */
body.emotion-active-angry-bg { background-color: #ffebee; } /* Very light red */
body.emotion-active-scared-bg { background-color: #f3e5f5; } /* Light purple */
body.emotion-active-excited-bg { background-color: #fff8e1; } /* Lighter yellow */
body.emotion-active-calm-bg { background-color: #e8f5e9; } /* Pale green */
body.emotion-active-frustrated-bg { background-color: #fff3e0; } /* Pale orange */
body.emotion-active-shy-bg { background-color: #fce4ec; } /* Pale pink */
body.emotion-active-confused-bg { background-color: #ede7f6; } /* Pale lavender */
body.emotion-active-proud-bg { background-color: #f1f8e9; } /* Pale green-yellow */
body.emotion-active-lonely-bg { background-color: #e1f5fe; } /* Lighter blue */
body.emotion-active-disappointed-bg { background-color: #fbe9e7; } /* Lighter peach */

/* Specific background color for the .app-container when an emotion stage is active */
.stage#why-do-stage.active { background-color: #ffffff; }
.stage#coping-stage.active { background-color: #ffffff; }
.stage#final-action-stage.active { background-color: #ffffff; }


.coping-options {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    margin-top: 20px;
}

.coping-option-card {
    background-color: #e8f5e9; /* Light green */
    border: 1px solid #c8e6c9;
    padding: 15px;
    border-radius: 10px;
    margin: 5px;
    width: calc(50% - 20px); /* Two columns on larger screens */
    box-sizing: border-box;
    text-align: left;
    transition: transform 0.2s ease;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.coping-option-card h3 {
    color: #2e7d32; /* Dark green */
    margin-top: 0;
    font-size: 1.2em;
}

.coping-option-card p {
    font-size: 0.9em;
    color: #4caf50; /* Medium green */
}

.coping-option-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.final-actions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 15px;
    margin-top: 30px;
}

.action-btn {
    background-color: #ffe0b2; /* Light orange */
    color: #e65100; /* Dark orange */
    padding: 20px 10px;
    font-size: 1.3em;
    border: 2px solid #ffcc80;
}

.action-btn:hover {
    background-color: #ffcc80; /* Medium orange */
    transform: scale(1.05);
    border-color: #ff9800; /* Brighter orange */
}

/* Feedback Message Style */
.feedback-message {
    font-style: italic;
    color: #00796b; /* Matching the main teal color */
    margin-top: 15px;
    font-size: 0.95em;
    min-height: 20px; /* Give it some space even when empty */
    display: none; /* Hidden by default, shown by JS */
}

/* --- CUSTOM MODAL STYLES --- */
.modal-overlay {
    position: fixed; /* Fixed to viewport */
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6); /* Semi-transparent dark overlay */
    display: flex; /* Use flexbox to center content */
    justify-content: center; /* Center horizontally */
    align-items: center; /* Center vertically */
    z-index: 1000; /* On top of everything */
    opacity: 0; /* Hidden by default */
    pointer-events: none; /* Not clickable when hidden */
    transition: opacity 0.3s ease-in-out; /* Smooth fade transition */
}

.modal-overlay.active {
    opacity: 1; /* Visible when active */
    pointer-events: auto; /* Clickable when active */
}

.modal-content {
    background-color: #ffffff; /* White background for modal box */
    padding: 35px;
    border-radius: 18px; /* Rounded corners */
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.35); /* Stronger shadow for depth */
    max-width: 90%;
    width: 550px; /* Max width for content */
    text-align: center;
    transform: scale(0.8); /* Start slightly smaller for pop-in effect */
    transition: transform 0.3s ease-out; /* Smooth pop-in animation */
    box-sizing: border-box; /* Include padding in width calculation */
}

.modal-overlay.active .modal-content {
    transform: scale(1); /* Pop to normal size when active */
}

.modal-title {
    font-family: 'Fredoka One', cursive;
    color: #26a69a; /* Teal */
    font-size: 1.8em;
    margin-top: 0;
    margin-bottom: 15px;
}

.modal-message {
    font-family: 'Open Sans', sans-serif;
    color: #333;
    font-size: 1.1em;
    line-height: 1.6;
    margin-bottom: 25px;
}

.modal-close-btn {
    /* Inherits main-btn styles, adjust if needed */
    padding: 12px 30px;
    font-size: 1.15em;
    margin-top: 15px;
}


/* Responsive adjustments */
@media (max-width: 600px) {
    body {
        padding: 10px; /* Reduce overall body padding on small screens */
    }
    .app-container {
        padding: 20px;
    }
    .emotions-grid {
        grid-template-columns: repeat(auto-fit, minmax(90px, 1fr));
        gap: 10px;
    }
    .emotion-btn {
        font-size: 1.2em;
        padding: 15px 5px;
    }
    .coping-option-card {
        width: calc(100% - 10px); /* Single column on small screens */
    }
    .choices-grid {
        /* FIXED: Force single column on small screens */
        grid-template-columns: 1fr;
    }
    .checkbox-container {
        padding-left: 30px; /* Adjust padding for smaller screens */
    }
    .checkmark {
        height: 20px;
        width: 20px;
    }
    .checkmark:after {
        left: 6px;
        top: 2px;
        width: 4px;
        height: 9px;
    }
    .modal-content {
        padding: 25px; /* Adjust padding for smaller screens */
        width: 95%; /* Make modal content a bit wider on very small screens */
    }
    .modal-title {
        font-size: 1.5em;
    }
    .modal-message {
        font-size: 1em;
    }
}