/* ============================================
   SPACEBAR CLICKER — Shared Design System
   style.css — used by all sub-pages
   ============================================ */

/* ---------- CSS Custom Properties ---------- */
:root {
    --bg-dark: #483d21;
    --border-light: #b1b495;
    --text-main: #f9fbb2;
    --text-logo: #f2f2e6;
    --text-muted: #d9d9c3;
    --white: #ffffff;
    --radius: 15px;
    --border-width: 5px;
}

/* ---------- Base Reset ---------- */
*,
*::before,
*::after {
    box-sizing: border-box;
}

body {
    margin: 8px;
    padding: 0;
    overflow-x: hidden;
    user-select: none;
    background-color: #e9e9e1;
    background-image: url("data:image/png;base64,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");
    font-family: "Courier New", Courier, monospace;
    color: #483d21;
}

/* ---------- Header ---------- */
header .container {
    background: var(--bg-dark);
    border: var(--border-width) solid var(--border-light);
    border-bottom-width: 10px;
    border-radius: var(--radius);
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

header .logo-link {
    text-decoration: none;
}

.logo {
    font-size: 1.6rem;
    font-weight: 900;
    letter-spacing: 3px;
    color: var(--text-logo);
    margin: 0;
}

.logo span {
    color: var(--text-muted);
    font-weight: 400;
    opacity: 0.7;
}

header nav {
    display: flex;
    justify-content: flex-end;
    gap: 20px;
    flex-wrap: wrap;
}

header nav a {
    color: var(--text-main);
    text-decoration: none;
    font-weight: bold;
    font-size: 0.9rem;
    transition: all 0.1s ease;
}

header nav a:hover {
    color: var(--white);
    transform: translateY(2px);
}

/* ---------- Footer ---------- */
#footer {
    padding: 20px 10px;
    width: 100%;
    background-color: var(--bg-dark);
    text-align: center;
    font-size: 0.8rem;
    margin-top: 60px;
    line-height: 2;
}

#footer,
#footer a {
    color: var(--text-main);
}

#footer a {
    text-decoration: none;
    font-weight: bold;
}

#footer a:hover {
    color: var(--white);
}

/* ---------- Page Layout ---------- */
.page-container {
    max-width: 1000px;
    margin: 40px auto;
}

/* ---------- Article Card ---------- */
.article-card {
    background: white;
    border: var(--border-width) solid var(--border-light);
    border-bottom-width: 15px;
    border-radius: var(--radius);
    padding: 2rem;
    margin-bottom: 40px;
    user-select: text;
}

/* ---------- Typography ---------- */
.article-card h1 {
    font-size: 2.5rem;
    color: var(--bg-dark);
    margin-top: 0;
    padding-bottom: 1rem;
    border-bottom: 4px solid var(--border-light);
}

.article-card h2 {
    font-size: 2rem;
    color: var(--bg-dark);
    margin-top: 2.5rem;
    border-left: 8px solid var(--border-light);
    padding-left: 12px;
}

.article-card h3 {
    font-size: 1.2rem;
    color: #6d5c31;
    margin-top: 1.5rem;
}

.article-card p,
.article-card li {
    line-height: 1.8;
    font-size: 1.05rem;
}

.article-card ul,
.article-card ol {
    padding-left: 1.5rem;
    margin-bottom: 1.5rem;
}

.article-card li {
    margin-bottom: 0.4rem;
}

.article-card a {
    color: var(--bg-dark);
    font-weight: bold;
}

/* ---------- Table ---------- */
table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
    background: #fff;
    border: 3px solid var(--bg-dark);
    font-family: "Courier New", Courier, monospace;
}

th {
    background: var(--bg-dark);
    color: var(--text-main);
    padding: 12px 15px;
    text-align: left;
    font-size: 0.95rem;
}

td {
    padding: 12px 15px;
    border: 1px solid #ddd;
    line-height: 1.5;
    vertical-align: top;
}

tr:nth-child(even) {
    background: #f9f9f1;
}

/* ---------- CTA Box ---------- */
.cta-box {
    background: var(--bg-dark);
    color: var(--text-main);
    padding: 2rem;
    border-radius: var(--radius);
    text-align: center;
    margin: 2.5rem 0;
}

.cta-box h3 {
    color: var(--text-main);
    font-size: 1.4rem;
    margin-top: 0;
}

.cta-box p {
    color: var(--text-muted);
}

.cta-btn {
    display: inline-block;
    background: var(--text-main);
    color: var(--bg-dark);
    padding: 14px 28px;
    text-decoration: none;
    font-weight: 900;
    font-size: 1.1rem;
    border-radius: 8px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    transition: all 0.15s ease;
    letter-spacing: 1px;
}

.cta-btn:hover {
    transform: scale(1.04);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
    background: #fff;
}

/* ---------- Table of Contents ---------- */
.toc {
    background: #f4f4ec;
    padding: 1.5rem;
    border-radius: 10px;
    border: 2px solid #ddd;
    margin-bottom: 2rem;
}

.toc h2 {
    font-size: 1rem;
    margin: 0 0 0.8rem;
    border: none;
    padding: 0;
    color: #483d21;
}

.toc ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.toc li {
    margin-bottom: 0.3rem;
}

.toc a {
    color: #483d21;
    text-decoration: none;
    font-size: 0.95rem;
}

.toc a:hover {
    text-decoration: underline;
}

/* ---------- Info Box ---------- */
.info-box {
    background: #f4f4ec;
    border-left: 6px solid var(--border-light);
    padding: 1.2rem 1.5rem;
    border-radius: 0 8px 8px 0;
    margin: 1.5rem 0;
}

.info-box h3 {
    margin-top: 0;
    color: var(--bg-dark);
}

/* ---------- Forms ---------- */
.contact-form .form-group {
    margin-bottom: 1.5rem;
}

.contact-form label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: bold;
    color: var(--bg-dark);
}

.contact-form input,
.contact-form textarea,
.contact-form select {
    width: 100%;
    padding: 10px 14px;
    border: 2px solid var(--border-light);
    border-radius: 6px;
    font-family: "Courier New", Courier, monospace;
    font-size: 1rem;
    color: #333;
    transition: border-color 0.15s;
}

.contact-form input:focus,
.contact-form textarea:focus {
    border-color: var(--bg-dark);
    outline: none;
}

.contact-form textarea {
    height: 140px;
    resize: vertical;
}

.submit-btn {
    background: var(--bg-dark);
    color: var(--text-main);
    padding: 14px 30px;
    border: none;
    border-radius: 8px;
    font-weight: bold;
    cursor: pointer;
    font-size: 1rem;
    font-family: "Courier New", Courier, monospace;
    letter-spacing: 1px;
    transition: all 0.1s;
}

.submit-btn:hover {
    background: #5d4e2a;
    transform: translateY(-2px);
}

/* ---------- Spacebar Key Widget ---------- */
.spacebar-key {
    display: inline-block;
    background: #eff2dd;
    background: linear-gradient(180deg, #eff2dd 0, #b1b495 100%);
    border: 3px solid var(--bg-dark);
    border-bottom-width: 8px;
    border-radius: 8px;
    padding: 8px 40px;
    font-weight: bold;
    color: var(--bg-dark);
    font-size: 0.9rem;
    letter-spacing: 4px;
    cursor: default;
    user-select: none;
}

/* ---------- FAQ Accordion ---------- */
.faq-accordion details {
    margin-bottom: 1rem;
    border: 2px solid var(--border-light);
    border-radius: 10px;
    background: rgba(0, 0, 0, 0.05);
    transition: background 0.3s ease;
}

.faq-accordion details[open] {
    background: rgba(0, 0, 0, 0.02);
}

.faq-accordion summary {
    padding: 1rem;
    font-weight: bold;
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    user-select: none;
    font-size: 1.1rem;
}

.faq-accordion summary h3 {
    margin: 0;
    font-size: inherit;
    color: inherit;
    display: inline;
}

.faq-accordion summary::-webkit-details-marker {
    display: none;
}

.faq-accordion summary::after {
    content: "+";
    font-size: 1.4rem;
    transition: transform 0.3s ease;
    opacity: 0.7;
}

.faq-accordion details[open] summary::after {
    transform: rotate(45deg);
}

.faq-accordion details p {
    padding: 0 1rem 1rem;
    margin: 0;
    line-height: 1.6;
    opacity: 0.9;
    font-size: 0.95rem;
}

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
    header nav {
        display: none;
    }

    header .container {
        justify-content: center;
        text-align: center;
    }

    .article-card {
        padding: 1rem;
    }

    .article-card h1 {
        font-size: 1.8rem;
    }

    .article-card h2 {
        font-size: 1.4rem;
    }

    table {
        display: block;
        overflow-x: auto;
    }
}