/* Additions on top of ai-powered.css for the PHP 8.4/8.5 workshop page */

/* Setup cards grid (numbered options for getting PHP 8.5 running) */
.setup-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.setup-card {
    position: relative;
    background: white;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.setup-card.recommended {
    border-color: #1b8e2d;
    box-shadow: 0 0 0 2px rgba(27, 142, 45, 0.15);
}

.setup-badge {
    position: absolute;
    top: -10px;
    right: 12px;
    background: #1b8e2d;
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: 999px;
}

.setup-card h3 {
    font-size: 1rem;
    margin-bottom: 0.25rem;
    color: #2d3748;
}

.setup-card p {
    font-size: 0.92rem;
    color: #4a5568;
    margin: 0;
}

.setup-card p a,
.setup-card > p a {
    color: #1b8e2d;
    text-decoration: underline;
    text-underline-offset: 2px;
}

.setup-card p a:hover,
.setup-card > p a:hover {
    color: #166124;
}

.setup-card code {
    background: #f1f5f9;
    padding: 1px 6px;
    border-radius: 3px;
    font-size: 0.88em;
}

.setup-card pre {
    background: #2d3748;
    color: #e2e8f0;
    padding: 0.75rem;
    border-radius: 4px;
    overflow-x: auto;
    font-size: 0.82rem;
    margin: 0.25rem 0;
}

.setup-card pre code {
    background: transparent;
    padding: 0;
    color: inherit;
    font-size: inherit;
}

/* Exercise section */
.exercise-section {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
    margin-bottom: 2rem;
}

.exercise-header {
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid #eaeaea;
}

.exercise-header h2 {
    color: #1b8e2d;
    margin: 0.25rem 0;
}

.exercise-header .subtext {
    margin-top: 1rem;
}

.features-row {
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
    margin-top: 1rem;
}

.features-label {
    white-space: nowrap;
    flex-shrink: 0;
    font-size: 0.95rem;
    color: #4a5568;
    padding-top: 7px; /* vertically centres with pill height */
}

.features-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.version-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 999px;
    color: white;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.version-badge.v80 { background: #5b21b6; }  /* purple — PHP 8.0+ foundation */
.version-badge.v84 { background: #DA121A; }  /* Groningen red */
.version-badge.v85 { background: #0F47AF; }  /* Groningen blue */

.feature-pill {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    background: #e8f5e9;
    color: #1b8e2d;
    padding: 6px 14px;
    border-radius: 999px;
    font-size: 0.95rem;
    font-weight: 600;
    margin-right: 0;
    margin-bottom: 0;
    border: 1px solid #c8e6c9;
    vertical-align: middle;
    line-height: 1;
}

.feature-pill a {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    color: inherit;
    text-decoration: none;
}

.feature-pill a:hover {
    text-decoration: underline;
}

.pill-icon {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.feature-pill code {
    background: transparent;
    padding: 0;
    font-size: inherit;
}

.exercise-body h3 {
    color: #2d3748;
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
    font-size: 1.1rem;
}

.exercise-body > h3:first-child {
    margin-top: 0;
}

/* Code blocks inside exercises */
.code-block {
    background: #1e293b;
    color: #e2e8f0;
    padding: 1.25rem;
    border-radius: 0;
    overflow-x: auto;
    font-family: 'Menlo', 'Monaco', 'Courier New', monospace;
    font-size: 0.88rem;
    line-height: 1.55;
    margin: 0;
}

.code-block code {
    font-family: inherit;
    color: inherit;
    background: transparent;
    padding: 0;
}

/* When code-block is inside a prompt-card, strip the prompt-content padding and let the pre fill */
.prompt-card .code-block {
    border-radius: 0;
}

/* Challenges list */
.challenges {
    list-style: decimal;
    padding-left: 1.5rem;
    margin: 0.5rem 0 1rem;
}

.challenges > li {
    margin-bottom: 0.65rem;
    line-height: 1.6;
}

.challenges ul {
    list-style: disc;
    padding-left: 1.25rem;
    margin-top: 0.35rem;
}

.challenges code,
.exercise-body p code {
    background: #f1f5f9;
    color: #be185d;
    padding: 1px 6px;
    border-radius: 3px;
    font-size: 0.88em;
    font-family: 'Menlo', 'Monaco', 'Courier New', monospace;
}

/* Collapsible hint / solution */
details.hint,
details.solution {
    margin: 1rem 0;
    border-radius: 6px;
    border: 1px solid #e0e0e0;
    overflow: hidden;
}

details.hint {
    background: #fffbea;
    border-color: #fde68a;
}

details.solution {
    background: #f1f8e9;
    border-color: #c8e6c9;
}

details summary {
    cursor: pointer;
    padding: 0.75rem 1rem;
    font-weight: 600;
    user-select: none;
    list-style: none;
}

details summary::-webkit-details-marker { display: none; }

details summary::before {
    content: '▸ ';
    display: inline-block;
    transition: transform 0.2s;
}

details[open] summary::before {
    transform: rotate(90deg);
}

details.hint summary { color: #92400e; }
details.solution summary { color: #1b8e2d; }

details .code-block {
    border-radius: 0;
    margin: 0;
}

/* Exercise index cards (overview page) */
.exercise-index {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
    margin-top: 1rem;
}

@media (max-width: 640px) {
    .exercise-index { grid-template-columns: 1fr; }
}

.exercise-index-card {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    background: white;
    border: 2px solid #c8e6c9;
    border-radius: 10px;
    padding: 1.5rem;
    text-decoration: none;
    color: inherit;
    transition: border-color 0.15s, box-shadow 0.15s, transform 0.15s;
}

.exercise-index-card:hover {
    border-color: #1b8e2d;
    box-shadow: 0 4px 16px rgba(27, 142, 45, 0.15);
    transform: translateY(-2px);
}

.exercise-index-card__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.exercise-index-card__number {
    font-size: 0.8rem;
    font-weight: 600;
    color: #718096;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.exercise-index-card h3 {
    font-size: 1.2rem;
    color: #1b8e2d;
    margin: 0;
}

.exercise-index-card p {
    font-size: 0.92rem;
    color: #4a5568;
    margin: 0;
    line-height: 1.5;
}

.exercise-index-card__pills {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.exercise-index-card__cta {
    margin-top: auto;
    font-size: 0.9rem;
    font-weight: 600;
    color: #1b8e2d;
}

/* Exercise prev/next navigation */
.exercise-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
    gap: 1rem;
}

.exercise-nav--bottom {
    margin-top: 1.5rem;
    margin-bottom: 0;
    padding-top: 1.5rem;
    border-top: 1px solid #eaeaea;
}

.exercise-nav-position {
    font-size: 0.85rem;
    color: #718096;
    font-weight: 500;
    white-space: nowrap;
}

.exercise-nav-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: 6px;
    font-size: 0.88rem;
    font-weight: 600;
    color: #1b8e2d;
    background: #e8f5e9;
    border: 1px solid #c8e6c9;
    text-decoration: none;
    transition: background 0.15s, border-color 0.15s;
    white-space: nowrap;
}

.exercise-nav-link:hover {
    background: #d4edda;
    border-color: #1b8e2d;
}

.exercise-nav-link--next {
    margin-left: auto;
}

@media (max-width: 600px) {
    .exercise-nav { flex-wrap: wrap; }
    .exercise-nav-link--next { margin-left: 0; }
}

/* ── Workshop index page ─────────────────────────────────────────── */

.workshop-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-top: 1.5rem;
    margin-bottom: 2rem;
}

.workshop-card {
    display: flex;
    gap: 1.5rem;
    background: white;
    border: 2px solid #c8e6c9;
    border-radius: 12px;
    padding: 1.75rem;
    text-decoration: none;
    color: inherit;
    transition: border-color 0.15s, box-shadow 0.15s, transform 0.15s;
    align-items: flex-start;
}

.workshop-card:hover {
    border-color: #1b8e2d;
    box-shadow: 0 4px 20px rgba(27, 142, 45, 0.15);
    transform: translateY(-2px);
}

.workshop-card__date {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: #1b8e2d;
    color: white;
    border-radius: 10px;
    padding: 0.75rem 1rem;
    min-width: 72px;
    text-align: center;
    flex-shrink: 0;
    line-height: 1.1;
}

.workshop-card__month {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    opacity: 0.9;
}

.workshop-card__day {
    font-size: 2.2rem;
    font-weight: 700;
    line-height: 1;
    margin: 2px 0;
}

.workshop-card__year {
    font-size: 0.7rem;
    font-weight: 600;
    opacity: 0.8;
}

.workshop-card__body {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    flex: 1;
    min-width: 0;
}

.workshop-card__meta {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
}

.workshop-card__exercises {
    font-size: 0.75rem;
    font-weight: 600;
    color: #718096;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-left: 4px;
}

.workshop-card h3 {
    font-size: 1.3rem;
    color: #1a202c;
    margin: 0;
}

.workshop-card p {
    font-size: 0.95rem;
    color: #4a5568;
    margin: 0;
    line-height: 1.55;
}

.workshop-card__pills {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.workshop-card__cta {
    margin-top: 0.25rem;
    font-size: 0.92rem;
    font-weight: 600;
    color: #1b8e2d;
}

.workshop-card__prev-editions {
    font-size: 0.82rem;
    color: #718096;
    margin: 0;
}

.workshop-card__lan-badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    background: #fff3cd;
    color: #856404;
    border: 1px solid #ffc107;
    border-radius: 999px;
    font-size: 0.72rem;
    font-weight: 700;
    padding: 2px 10px;
    margin-left: 4px;
    white-space: nowrap;
}

/* LAN-only card gets an amber accent instead of green */
.workshop-card--lan {
    border-color: #ffc107;
}

.workshop-card--lan:hover {
    border-color: #e0a800;
    box-shadow: 0 4px 20px rgba(255, 193, 7, 0.2);
}

.workshop-card--lan .workshop-card__date {
    background: #856404;
}

.workshop-card--lan .workshop-card__cta {
    color: #856404;
}

/* Security-themed feature pills (CTF) */
.feature-pill--security {
    background: #fef9e7;
    color: #7d6608;
    border-color: #f9e79f;
    gap: 6px;
}

.feature-pill--security i {
    font-size: 0.75em;
    opacity: 0.8;
}
.nav-menu a.active {
    color: #1b8e2d;
    font-weight: 700;
}

/* Workshop date badge (shown next to the h2 on the overview page) */
.workshop-date-badge {
    display: inline-block;
    background: #e8f5e9;
    color: #1b8e2d;
    border: 1px solid #c8e6c9;
    border-radius: 999px;
    font-size: 0.7em;
    font-weight: 600;
    padding: 2px 12px;
    vertical-align: middle;
    margin-left: 0.5rem;
    letter-spacing: 0.3px;
}

/* Mobile tweaks */
@media (max-width: 768px) {
    .setup-grid { grid-template-columns: 1fr; }
    .exercise-section { padding: 1.25rem; }
    .code-block { font-size: 0.8rem; padding: 0.9rem; }
}

/* ── CTF offline overlay ───────────────────────────────────────── */
.ctf-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.ctf-overlay[hidden] { display: none; }

.ctf-overlay__box {
    background: white;
    border-radius: 12px;
    padding: 2rem 2.25rem;
    max-width: 480px;
    width: 100%;
    text-align: center;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.ctf-overlay__icon {
    font-size: 3rem;
    color: #e67e22;
    display: block;
    margin-bottom: 0.75rem;
}

.ctf-overlay__box h2 {
    color: #2d3748;
    margin: 0 0 0.75rem;
}

.ctf-overlay__box p {
    color: #4a5568;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.ctf-overlay__close {
    background: #1b8e2d;
    color: white;
    border: none;
    padding: 0.6rem 1.75rem;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}

.ctf-overlay__close:hover { background: #157024; }

/* Checking/probing state on the card */
.workshop-card--checking {
    opacity: 0.65;
    pointer-events: none;
    cursor: wait;
}

@media (max-width: 600px) {
    .workshop-card { flex-direction: column; gap: 1rem; }
    .workshop-card__date { flex-direction: row; gap: 0.5rem; align-items: baseline; min-width: unset; width: fit-content; padding: 0.5rem 0.9rem; }
    .workshop-card__day { font-size: 1.4rem; }
}

/* Solution quiz gate */
.solution-quiz {
    padding: 1rem 1.25rem 0.75rem;
    background: #f1f8e9;
    border-bottom: 1px solid #c8e6c9;
}

.quiz-intro {
    font-size: 0.9rem;
    color: #4a5568;
    margin: 0 0 1rem;
}

.quiz-question {
    margin-bottom: 1rem;
}

.quiz-question p {
    margin: 0 0 0.5rem;
    font-size: 0.92rem;
    color: #2d3748;
}

.quiz-question label {
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
    padding: 5px 8px;
    border-radius: 5px;
    font-size: 0.88rem;
    cursor: pointer;
    color: #2d3748;
    transition: background 0.15s;
}

.quiz-question label:hover {
    background: #e8f5e9;
}

.quiz-question input[type="radio"] {
    flex-shrink: 0;
    margin-top: 2px;
    accent-color: #1b8e2d;
}

.quiz-check-btn {
    margin-top: 0.25rem;
    padding: 7px 18px;
    background: #1b8e2d;
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s;
}

.quiz-check-btn:hover { background: #166124; }
.quiz-check-btn:disabled { background: #a0aec0; cursor: default; }

.quiz-feedback {
    margin: 0.6rem 0 0.25rem;
    font-size: 0.88rem;
    font-weight: 600;
    min-height: 1.2em;
}

.quiz-feedback.correct { color: #1b8e2d; }
.quiz-feedback.wrong   { color: #c0392b; }