/* css/style.css */

/* FONT IMPORT - A modern monospaced font */
@import url('https://fonts.googleapis.com/css2?family=Fira+Code:wght@400;700&display=swap');

/* VARIABLES */
:root {
    --dos-blue: #0000AA;
    --dos-white: #CCCCCC;
    --dos-yellow: #FFFF55;
    --dos-grey: #555555;
    --font-dos: 'Fira Code', 'Courier New', monospace;
    --line-height: 1.6;
}

/* BASE STYLES */
*, *::before, *::after { box-sizing: border-box; }
body {
    background-color: var(--dos-blue);
    color: var(--dos-white);
    font-family: var(--font-dos);
    font-size: 16px;
    line-height: var(--line-height);
    margin: 0;
    padding: 1rem;
}

.dos-container {
    max-width: 900px;
    margin: 0 auto;
    border: 2px solid var(--dos-grey);
    box-shadow: 5px 5px 0px #000000;
}

/* HEADER & FOOTER BARS */
.dos-header, .dos-footer {
    color: var(--dos-yellow);
    background-color: var(--dos-grey);
    text-shadow: 1px 1px #000;
}
.header-line, .footer-line {
    padding: 0.25rem 0.5rem;
    white-space: nowrap;
    overflow: hidden;
}

/* NAVIGATION */
.dos-nav {
    display: flex;
    justify-content: space-around;
    padding: 0.5rem;
    background-color: #000000;
    border-top: 1px solid var(--dos-grey);
    border-bottom: 1px solid var(--dos-grey);
}
.dos-nav a {
    color: var(--dos-white);
    text-decoration: none;
    transition: all 0.2s;
}
.dos-nav a:hover, .dos-nav a:focus {
    background-color: var(--dos-yellow);
    color: #000000;
    text-decoration: none;
    outline: none;
}

/* MAIN CONTENT WINDOWS */
main {
    padding: 1rem;
}
.dos-window {
    border: 1px double var(--dos-white);
    padding: 1.5rem;
    margin-bottom: 2rem;
    background-color: rgba(0, 0, 0, 0.2);
}

h1, h2 {
    color: var(--dos-yellow);
    margin-bottom: 1rem;
    text-transform: uppercase;
}
h1 { font-size: 1.5rem; text-align: center; }
h2 { font-size: 1.25rem; }
h3 { color: var(--dos-white); text-decoration: underline; margin-bottom: 1rem; }
.subsection-title { margin-top: 2rem; }

p { margin-bottom: 1rem; }
strong { color: var(--dos-yellow); font-weight: bold; }
ul { list-style: none; padding-left: 0; }
ul li::before {
    content: '> ';
    color: var(--dos-yellow);
}

/* SPECIAL TEXT STYLES */
.dos-prompt { color: #AAAAAA; }
.glitch { animation: glitch 1.5s linear infinite; }
@keyframes glitch {
    2%, 64% { transform: translate(1px, 0) skew(0deg); }
    4%, 60% { transform: translate(-1px, 0) skew(0deg); }
    62% { transform: translate(0, 0) skew(5deg); }
}

/* IMAGES & CAPTIONS */
.hero-image, .image-panel {
    text-align: center;
    margin-top: 1.5rem;
}
.image-panel.centered { margin-left: auto; margin-right: auto; }
img {
    max-width: 100%;
    height: auto;
    border: 1px solid var(--dos-grey);
}
.dos-caption {
    font-size: 0.9rem;
    color: #AAAAAA;
    margin-top: 0.5rem;
}

/* SPLIT VIEW (Mechanism section) */
.split-view {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

/* CARDS GRID (Doses, Side Effects) */
.cards-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-top: 1.5rem;
}
.dos-card, .dos-card-alert {
    border: 1px solid var(--dos-grey);
    padding: 1rem;
}
.dos-card-alert.normal { border-color: var(--dos-white); }
.dos-card-alert.critical { border-color: #FF5555; color: #FF5555; }
.dos-card-alert.critical h3 { color: #FF5555; }

/* REVIEWS */
.review-grid { display: grid; gap: 1rem; }
.dos-review { border: 1px solid var(--dos-grey); padding: 1rem; }
.review-author { font-weight: bold; }
.review-rating { color: var(--dos-yellow); }

/* FAQ ACCORDION */
.faq-accordion details {
    border-bottom: 1px dashed var(--dos-grey);
    padding: 0.5rem 0;
}
.faq-accordion summary {
    cursor: pointer;
    font-weight: bold;
    color: var(--dos-yellow);
}
.faq-accordion summary:hover { color: var(--dos-white); }
.faq-accordion summary::marker, .faq-accordion summary::-webkit-details-marker { display: none; }
.faq-accordion .faq-answer {
    padding: 1rem 0 0 1rem;
    border-left: 1px solid var(--dos-grey);
    margin-top: 0.5rem;
}

/* FOOTER */
.disclaimer {
    padding: 1rem;
    font-size: 0.8rem;
    color: #AAAAAA;
}

/* RESPONSIVE DESIGN */
@media (max-width: 600px) {
    body { padding: 0.5rem; font-size: 14px; }
    .dos-nav { flex-direction: column; align-items: center; gap: 0.5rem; }
    .header-line, .footer-line { font-size: 0.8rem; }
    main { padding: 0.5rem; }
    .dos-window { padding: 1rem; }
}

@media (min-width: 768px) {
    .split-view { grid-template-columns: 1fr 1fr; align-items: center; }
    .cards-grid { grid-template-columns: 1fr 1fr; }
}

/* Accessibility */
.skip-link {
    position: absolute; left: 1rem; top: -100px;
    background-color: var(--dos-yellow); color: var(--dos-blue);
    padding: 0.5rem 1rem; z-index: 1000;
    transition: top 0.3s ease;
}
.skip-link:focus { top: 0; }