/* =====================================
   TUTORIAL-NAVIGATION-ACCESSIBILITY.CSS
   ===================================== */

/* ==== SKIP-LINK DEMO ==== */
.skip-link-container {
    position: relative;
    height: 100px;
    background: var(--bg-secondary);
    border-radius: 8px;
    border: 1px solid var(--border-color);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.skip-link-demo {
    position: absolute;
    top: -100px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent-blue);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 0 0 8px 8px;
    text-decoration: none;
    font-weight: 600;
    z-index: 1000;
    transition: top 0.3s ease;
}

.skip-link-demo:focus {
    top: 0;
    outline: 2px solid var(--accent-cyan);
    outline-offset: 2px;
}

/* ==== FOCUS STATES DEMO ==== */
.focus-demo-container {
    background: var(--bg-secondary);
    border-radius: 8px;
    border: 1px solid var(--border-color);
    padding: 1.5rem;
}

.focus-demo-nav {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.focus-demo-nav a {
    padding: 0.5rem 1rem;
    background: var(--bg-tertiary);
    border-radius: 4px;
    text-decoration: none;
    color: var(--text);
    transition: all 0.2s ease;
}

.focus-demo-nav a:hover {
    background: var(--accent-blue);
    color: white;
}

/* Good focus-style */
.focus-demo-nav a:focus {
    outline: 2px solid var(--accent-cyan);
    outline-offset: 2px;
    background: var(--accent-blue);
    color: white;
}

/* SBad focus-style (demo) */
.focus-demo-nav.bad-focus a:focus {
    outline: none;
}

/* ==== ARIA DEMO ==== */
.aria-demo-container {
    background: var(--bg-secondary);
    border-radius: 8px;
    border: 1px solid var(--border-color);
    padding: 1.5rem;
}

.aria-demo-nav {
    display: flex;
    gap: 1.5rem;
    align-items: center;
    flex-wrap: wrap;
}

.aria-demo-nav a,
.aria-demo-nav button {
    padding: 0.5rem 1rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    text-decoration: none;
    color: var(--text);
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.aria-demo-nav a:hover,
.aria-demo-nav button:hover {
    background: var(--bg-primary);
    border-color: var(--accent-blue);
}

.aria-demo-nav a:focus,
.aria-demo-nav button:focus {
    outline: 2px solid var(--accent-cyan);
    outline-offset: 2px;
}

/* Mark active site */
.aria-demo-nav a[aria-current="page"] {
    background: var(--accent-blue);
    color: white;
    border-color: var(--accent-blue);
}

/* Dropdown inside ARIA demo */
.aria-dropdown {
    position: relative;
}

.aria-dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    margin-top: 0.5rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    min-width: 150px;
    list-style: none;
    padding: 0.5rem 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.2s ease;
    z-index: 100;
}

.aria-dropdown-menu.open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.aria-dropdown-menu li a {
    display: block;
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 0;
    background: transparent;
}

.aria-dropdown-menu li a:hover {
    background: var(--bg-secondary);
}