/* --- Global Styles & Variables --- */
:root {
    --nhs-blue: #005EB8;
    --nhs-dark-blue: #003087;
    --nhs-light-blue-accent: #0072CE;
    --nhs-light-grey: #F0F4F5;
    --nhs-mid-grey: #D8DDE0;
    --nhs-dark-grey: #212B32;
    --nhs-white: #FFFFFF;
    --nhs-aqua: #00A499;
    --nhs-purple: #4C2F92;
    --nhs-font: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
    --border-radius-soft: 6px;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}
body {
    font-family: var(--nhs-font); margin: 0; padding: 0; background-color: var(--nhs-light-grey);
    color: var(--nhs-dark-grey); line-height: 1.65; display: flex; flex-direction: column;
    min-height: 100vh; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale;
}
main { flex-grow: 1; }
a { color: var(--nhs-blue); text-decoration: none; }
a:hover { text-decoration: underline; }

/* --- App Shell (Header/Footer) --- */
.app-header {
    background-color: var(--nhs-dark-blue);
    color: var(--nhs-white);
    padding: 1rem 2rem;
    text-align: center;
    box-shadow: var(--shadow-md);
}
.app-header h1 { margin: 0; font-size: 1.8em; }
.app-footer {
    text-align: center; padding: 20px; background-color: var(--nhs-dark-blue);
    color: var(--nhs-light-grey); font-size: 0.9em; margin-top: auto;
}

/* --- Page & Content Styles --- */
.page-container {
    width: 90%; max-width: 980px; margin: 30px auto; padding: 25px 30px;
    background-color: var(--nhs-white); box-shadow: var(--shadow-md);
    border-radius: var(--border-radius-soft);
}
.page-header { border-bottom: 1px solid var(--nhs-mid-grey); margin-bottom: 20px; padding-bottom: 15px; }
.page-header h1 { color: #003087; font-size: 2em; margin-top:0; margin-bottom: 5px; }
.page-header .breadcrumb { font-size: 0.9em; color: #4A4A4A; }
.page-header .breadcrumb a { color: var(--nhs-blue); }
.loading-placeholder { text-align: center; padding: 4rem; color: #666; font-size: 1.2em; }

/* --- Home Page Buttons --- */
.home-explanation { font-size: 1.15em; max-width: 720px; margin: 0 auto 30px; text-align: center; }
.button-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 25px; }
.action-button { background-color: var(--nhs-blue); color: var(--nhs-white); border: none; padding: 16px 22px; text-align: center; text-decoration: none; font-size: 1.05em; font-weight: 500; border-radius: var(--border-radius-soft); cursor: pointer; transition: background-color 0.2s ease-out, transform 0.15s ease-out, box-shadow 0.2s ease-out; display: flex; align-items: center; justify-content: center; min-height: 65px; box-shadow: var(--shadow-sm); }
.action-button:hover, .action-button:focus { background-color: var(--nhs-light-blue-accent); transform: translateY(-2px); box-shadow: var(--shadow-md); outline: 2px solid transparent; }
.action-button:focus-visible { outline: 2px solid var(--nhs-dark-blue); outline-offset: 2px; }
.action-button:active { transform: translateY(0px); background-color: var(--nhs-dark-blue); box-shadow: var(--shadow-sm); }
.scenarios-button { background-color: var(--nhs-aqua); }
.scenarios-button:hover, .scenarios-button:focus { background-color: #007A70; }
.simulator-button { background-color: var(--nhs-purple); }
.simulator-button:hover, .simulator-button:focus { background-color: #6A44C2; }
.infographic-art-button { background-color: #E84C3D; }
.infographic-art-button:hover, .infographic-art-button:focus { background-color: #c0392b; }

/* --- Scenario & Simulator List Page --- */
.item-list { list-style: none; padding: 0; }
.item-list li { margin-bottom: 10px; }
.item-list li a { display: block; padding: 12px 15px; background-color: #e0eaf3; color: #003087; text-decoration: none; border-radius: 6px; transition: background-color 0.2s ease; font-weight: 500; }
.item-list li a:hover { background-color: var(--nhs-light-blue-accent); color: white; }

/* --- Scenario Detail Page (Accordion & Password) --- */
article { margin-bottom: 1.5em; }
article h2, article h3, article h4 { color: var(--nhs-dark-blue); }
.scenario-description, .guidance-intro { margin-bottom: 1.5em; font-size: 1.1em; }
.guidance-intro { font-style: italic; color: #4A4A4A; }
.accordion-guidance { margin-top: 2em; border-top: 1px solid #eee; }
.accordion-item { border-bottom: 1px solid #eee; }
.accordion-toggle { display: none; }
.accordion-header { display: block; padding: 1em 1.5em; background-color: #f9f9f9; color: var(--nhs-blue); font-weight: bold; cursor: pointer; position: relative; transition: background-color 0.2s ease; font-size: 1.1em; border-radius: 4px 4px 0 0; }
.accordion-header:hover { background-color: #e9e9e9; }
.accordion-header::after { content: '▼'; position: absolute; right: 1.5em; transition: transform 0.3s ease; }
.accordion-toggle:checked + .accordion-header { background-color: var(--nhs-aqua); color: white; }
.accordion-toggle:checked + .accordion-header::after { transform: rotate(180deg); }
.accordion-panel { max-height: 0; overflow: hidden; padding: 0 1.5em; background-color: var(--nhs-white); transition: max-height 0.4s ease-out, padding 0.4s ease-out; border: 1px solid #eee; border-top: none; border-radius: 0 0 4px 4px; }
.accordion-toggle:checked ~ .accordion-panel { max-height: 3000px; padding: 1.5em; }
.accordion-panel ul { list-style: none; padding-left: 0; }
.accordion-panel ul li { margin-bottom: 1em; padding-left: 1.5em; position: relative; }
.accordion-panel ul li::before { content: "•"; color: var(--nhs-aqua); font-weight: bold; display: inline-block; width: 1em; margin-left: -1.5em; position: absolute; }
.accordion-panel ul li strong { color: var(--nhs-dark-grey); }
#password-section { margin: 25px 0 15px 0; padding: 15px; border: 1px solid var(--nhs-mid-grey); border-radius: 6px; background-color: #f9f9f9;}
#password-section h4 { margin-top: 0; color: var(--nhs-dark-blue);}
#password-section p { font-size: 0.9em; margin-bottom: 10px;}
#answerPassword { padding: 8px; margin-right: 8px; border: 1px solid #AEB7BD; border-radius: 4px; min-width: 150px;}
#checkPasswordBtn { padding: 8px 15px; background-color: var(--nhs-blue); color: white; border: none; border-radius: 4px; cursor: pointer; font-weight: bold;}
#passwordStatus { font-size: 0.9em; color: red; margin-top: 8px; min-height: 1.2em;}
.hidden-answer { display: none; margin-top: 8px; padding: 10px 12px; margin-left: 15px; border-left: 3px solid var(--nhs-light-blue-accent); background-color: #eef6ff; border-radius: 4px; font-size: 0.95em; }
.hidden-answer em { font-weight: bold; color: var(--nhs-blue); }

/* --- Simulator Styles --- */
.sim-container { width: 90%; max-width: 980px; margin: 30px auto; padding: 25px 30px; background-color: var(--nhs-white); box-shadow: var(--shadow-md); border-radius: 6px; }
.sim-text { font-size: 1.2em; margin-bottom: 1.5em; line-height: 1.6; }
.sim-choices { display: flex; flex-direction: column; gap: 1.5rem; } /* Increased gap */
.sim-choice-container { /* NEW */
    border: 1px solid var(--nhs-mid-grey);
    border-radius: var(--border-radius-soft);
    overflow: hidden; /* Ensures child corners are rounded */
}
.sim-choice-btn { display: block; width: 100%; text-align: left; padding: 1em; font-size: 1em; background-color: #eef6ff; border: none; border-bottom: 1px solid var(--nhs-mid-grey); color: #003087; cursor: default; }
.sim-choice-btn strong { font-weight: 700; margin-right: 0.5em; }
.sim-outcome-feedback { /* NEW */
    display: none; /* Initially hidden */
    padding: 1em;
    background-color: #f8f9fa;
}
.sim-outcome-feedback h3 { margin-top: 0; color: var(--nhs-dark-blue); font-size: 1.1em; }
.sim-outcome-feedback strong { color: var(--nhs-blue); }
#facilitator-unlock-section { margin-top: 2rem; padding: 1rem; border: 1px dashed #ccc; border-radius: 6px; text-align: center; }
#facilitatorPassword { padding: 6px; border-radius: 4px; border: 1px solid #ccc; }
#unlockChoicesBtn { padding: 6px 12px; background-color: var(--nhs-dark-blue); color: white; border: none; border-radius: 4px; cursor: pointer; }
#facilitatorStatus { font-size: 0.8em; color: red; margin-top: 0.5rem; min-height: 1em; }

/* --- Responsive adjustments --- */
@media (max-width: 768px) {
    .page-container, .sim-container { margin: 20px auto; padding: 20px; }
    .app-header h1 { font-size: 1.5em; }
    .home-explanation { font-size: 1.05em; }
    .button-grid { grid-template-columns: 1fr; gap: 15px; }
    .action-button { padding: 15px 18px; font-size: 1em; }
}