/* Reset */
* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: 'Inter', sans-serif;
    background: #0a0a0a;
    color: #ffffff;
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navbar */
.navbar {
    background: #141414;
    border-bottom: 1px solid #2a2a2a;
    padding: 20px 0;
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 20px;
    font-weight: 700;
}

.nav-links {
    display: flex;
    gap: 24px;
}

.nav-links a {
    color: #b0b0b0;
    text-decoration: none;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: #ffffff;
}

/* Hero */
.hero {
    text-align: center;
    padding: 100px 20px;
}

.hero h1 {
    font-size: 48px;
    margin-bottom: 20px;
}

.subtitle {
    font-size: 20px;
    color: #b0b0b0;
    margin-bottom: 40px;
}

/* Buttons */
.btn-primary, .btn-back {
    padding: 14px 32px;
    background: #ffffff;
    color: #0a0a0a;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.3s;
}

.btn-primary:hover, .btn-back:hover {
    transform: translateY(-2px);
}

.btn-back {
    background: transparent;
    color: #ffffff;
    border: 1px solid #2a2a2a;
    margin-bottom: 20px;
}

/* Features */
.features {
    padding: 80px 0;
}

.features h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 60px;
}

.features-grid, .menu-grid, .code-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
}

.feature-card, .menu-card, .code-card {
    background: #141414;
    border: 1px solid #2a2a2a;
    border-radius: 12px;
    padding: 32px 24px;
    transition: all 0.3s;
}

.feature-card:hover, .menu-card:hover, .code-card:hover {
    border-color: #ffffff;
    transform: translateY(-4px);
}

.menu-card, .code-card {
    cursor: pointer;
}

.feature-card h3, .menu-card h3, .code-card h3 {
    font-size: 20px;
    margin-bottom: 12px;
}

.feature-card p, .menu-card p, .code-card p {
    color: #b0b0b0;
    font-size: 15px;
}

/* Content Area */
#contentArea {
    padding: 40px 0;
}

.content-box {
    background: #141414;
    border: 1px solid #2a2a2a;
    border-radius: 12px;
    padding: 32px;
    margin-bottom: 24px;
}

/* Footer */
.footer {
    background: #141414;
    border-top: 1px solid #2a2a2a;
    padding: 40px 0;
    margin-top: 80px;
    text-align: center;
}

.footer-links {
    margin-top: 16px;
    display: flex;
    justify-content: center;
    gap: 24px;
}

.footer-links a {
    color: #b0b0b0;
    text-decoration: none;
}

/* Cookie Banner */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: #141414;
    border-top: 1px solid #2a2a2a;
    padding: 20px;
    z-index: 1000;
}

.cookie-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.btn-accept {
    padding: 10px 24px;
    background: #ffffff;
    color: #0a0a0a;
    border: none;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 { font-size: 32px; }
    .nav-links { display: none; }
    .cookie-content { flex-direction: column; }
}
/* ===== Rozšírené štýly pre obsah ===== */
.badge {
    display: inline-block;
    padding: 3px 10px;
    border: 1px solid #3a3a3a;
    border-radius: 20px;
    font-size: 12px;
    color: #b0b0b0;
    margin: 4px 0 10px 0;
}

.muted { color: #a0a0a0; font-size: 14px; }

.tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 16px 0; }

.tag {
    display: inline-block;
    padding: 5px 12px;
    background: #0f0f0f;
    border: 1px solid #2a2a2a;
    border-radius: 6px;
    font-family: 'JetBrains Mono', 'Courier New', monospace;
    font-size: 12.5px;
    color: #d0d0d0;
}

pre.code {
    background: #070707;
    border: 1px solid #242424;
    border-radius: 8px;
    padding: 18px;
    overflow-x: auto;
    font-family: 'JetBrains Mono', 'Courier New', monospace;
    font-size: 13px;
    line-height: 1.65;
    color: #cfcfcf;
    margin: 14px 0;
    white-space: pre;
    tab-size: 4;
}

.content-box h2 { font-size: 26px; margin-bottom: 10px; }
.content-box h3 { font-size: 18px; margin: 22px 0 10px 0; }
.content-box h3.cat {
    font-size: 15px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: #909090;
    border-bottom: 1px solid #242424;
    padding-bottom: 10px;
    margin-top: 0;
}
.content-box p { color: #c8c8c8; font-size: 15px; line-height: 1.7; }

textarea {
    width: 100%;
    min-height: 340px;
    padding: 16px;
    background: #070707;
    border: 1px solid #242424;
    border-radius: 8px;
    color: #d0d0d0;
    font-family: 'JetBrains Mono', 'Courier New', monospace;
    font-size: 13px;
    line-height: 1.65;
    resize: vertical;
    tab-size: 4;
}
textarea:focus { outline: none; border-color: #555; }

.btn-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 16px; }

.btn-secondary {
    padding: 14px 32px;
    background: transparent;
    color: #ffffff;
    border: 1px solid #3a3a3a;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    font-family: inherit;
}
.btn-secondary:hover { border-color: #ffffff; transform: translateY(-2px); }

.progress {
    width: 100%;
    height: 8px;
    background: #1e1e1e;
    border-radius: 6px;
    overflow: hidden;
    margin: 14px 0;
}
.progress-fill { height: 100%; transition: width 0.5s ease; }
.progress-fill.good { background: #4ade80; }
.progress-fill.mid { background: #facc15; }
.progress-fill.bad { background: #f87171; }

.checklist { list-style: none; padding: 0; margin: 10px 0; }
.checklist li {
    padding: 9px 12px;
    margin: 6px 0;
    border-radius: 6px;
    font-size: 14px;
    border-left: 3px solid #333;
    background: #101010;
}
.checklist li.ok { border-left-color: #4ade80; color: #d8f5e3; }
.checklist li.bad { border-left-color: #f87171; color: #f7dada; }

.question .options { display: flex; flex-direction: column; gap: 10px; margin-top: 14px; }

.option {
    padding: 14px 16px;
    background: #101010;
    border: 1px solid #2a2a2a;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 14.5px;
    color: #cfcfcf;
}
.option:hover { border-color: #666; transform: translateX(4px); }
.option.selected { border-color: #ffffff; background: #1a1a1a; }
.option.correct { border-color: #4ade80; background: rgba(74, 222, 128, 0.12); color: #d8f5e3; }
.option.wrong { border-color: #f87171; background: rgba(248, 113, 113, 0.12); color: #f7dada; }

.explain {
    margin-top: 14px;
    padding: 14px 16px;
    background: #0d0d0d;
    border-left: 3px solid #444;
    border-radius: 6px;
    font-size: 14px;
    color: #c0c0c0;
    line-height: 1.65;
}

.gloss {
    border-top: 1px solid #1e1e1e;
    padding: 18px 0;
}
.gloss:first-of-type { border-top: none; }
.gloss-term {
    font-family: 'JetBrains Mono', 'Courier New', monospace;
    font-size: 16px;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 8px;
}
.gloss p { margin-bottom: 6px; }

.code-card h3 { font-size: 17px; font-family: 'JetBrains Mono', 'Courier New', monospace; }

/* Mobilné úpravy */
@media (max-width: 768px) {
    .container { padding: 0 16px; }
    .content-box { padding: 20px 16px; }
    .hero h1 { font-size: 30px; }
    .hero { padding: 60px 16px; }
    .features h2 { font-size: 26px; }
    .btn-primary, .btn-secondary { width: 100%; padding: 14px 20px; font-size: 15px; }
    .btn-row { flex-direction: column; }
    pre.code { font-size: 11.5px; padding: 14px; }
    textarea { min-height: 260px; font-size: 12.5px; }
    .content-box h2 { font-size: 21px; }
    .nav-content { flex-direction: column; gap: 12px; align-items: flex-start; }
    .footer-links { flex-direction: column; gap: 10px; }
}