/* ============================================================
   LP Knowledge Test – Frontend Quiz Styles
   Uses CSS custom property --lpkt-accent for theming
   ============================================================ */

/* ── Root & section wrapper ──────────────────────────────────── */
:root {
    --lpkt-accent:       #4f46e5;
    --lpkt-accent-light: #ede9fe;
    --lpkt-accent-dark:  #3730a3;
    --lpkt-bg:           #f8f7ff;
    --lpkt-card-bg:      #ffffff;
    --lpkt-text:         #1e1b4b;
    --lpkt-text-muted:   #6b7280;
    --lpkt-border:       #e5e7eb;
    --lpkt-radius:       14px;
    --lpkt-shadow:       0 4px 24px rgba(79, 70, 229, .10);
}

#lpkt-knowledge-test {
    --lpkt-accent: var(--lpkt-accent, #4f46e5);  /* overridden inline */
    background: var(--lpkt-bg);
    padding: 64px 20px;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    color: var(--lpkt-text);
}

.lpkt-container {
    max-width: 720px;
    margin: 0 auto;
}

/* ── Header ──────────────────────────────────────────────────── */
.lpkt-header {
    text-align: center;
    margin-bottom: 40px;
}

.lpkt-badge {
    display: inline-block;
    background: var(--lpkt-accent);
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
    padding: 4px 14px;
    border-radius: 20px;
    margin-bottom: 14px;
}

.lpkt-title {
    font-size: clamp(24px, 4vw, 36px);
    font-weight: 800;
    margin: 0 0 12px;
    line-height: 1.2;
    color: var(--lpkt-text);
}

.lpkt-subtitle {
    font-size: 16px;
    color: var(--lpkt-text-muted);
    max-width: 540px;
    margin: 0 auto;
    line-height: 1.6;
}

/* ── Quiz wrapper ────────────────────────────────────────────── */
.lpkt-quiz-wrapper {
    background: var(--lpkt-card-bg);
    border: 1px solid var(--lpkt-border);
    border-radius: var(--lpkt-radius);
    box-shadow: var(--lpkt-shadow);
    padding: 36px 40px;
    min-height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
}

@media (max-width: 600px) {
    .lpkt-quiz-wrapper { padding: 24px 18px; }
}

/* ── Loading ─────────────────────────────────────────────────── */
.lpkt-loading {
    text-align: center;
    color: var(--lpkt-text-muted);
}

.lpkt-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--lpkt-accent-light);
    border-top-color: var(--lpkt-accent);
    border-radius: 50%;
    animation: lpkt-spin .8s linear infinite;
    margin: 0 auto 16px;
}

@keyframes lpkt-spin { to { transform: rotate(360deg); } }

/* ── Error ───────────────────────────────────────────────────── */
.lpkt-error {
    text-align: center;
}

.lpkt-error-icon {
    font-size: 32px;
    display: block;
    margin-bottom: 10px;
}

/* ── Progress ────────────────────────────────────────────────── */
.lpkt-question-area {
    width: 100%;
}

.lpkt-progress-bar {
    margin-bottom: 24px;
}

.lpkt-progress-label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--lpkt-text-muted);
    margin-bottom: 8px;
}

.lpkt-progress-track {
    height: 6px;
    background: var(--lpkt-accent-light);
    border-radius: 99px;
    overflow: hidden;
}

.lpkt-progress-fill {
    height: 100%;
    background: var(--lpkt-accent);
    border-radius: 99px;
    transition: width .4s ease;
    width: 0%;
}

/* ── Card ────────────────────────────────────────────────────── */
.lpkt-card {
    width: 100%;
}

.lpkt-question-text {
    font-size: 18px;
    font-weight: 700;
    line-height: 1.5;
    margin: 0 0 24px;
    color: var(--lpkt-text);
}

/* ── Options ─────────────────────────────────────────────────── */
.lpkt-options {
    list-style: none;
    margin: 0 0 20px;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.lpkt-option {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 18px;
    border: 2px solid var(--lpkt-border);
    border-radius: 10px;
    cursor: pointer;
    transition: border-color .15s, background .15s, transform .1s;
    user-select: none;
}

.lpkt-option:hover {
    border-color: var(--lpkt-accent);
    background: var(--lpkt-accent-light);
    transform: translateX(2px);
}

.lpkt-option:focus {
    outline: 2px solid var(--lpkt-accent);
    outline-offset: 2px;
}

.lpkt-option.lpkt-selected {
    border-color: var(--lpkt-accent);
    background: var(--lpkt-accent-light);
}

.lpkt-option-letter {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 32px;
    height: 32px;
    border-radius: 8px;
    background: var(--lpkt-accent-light);
    color: var(--lpkt-accent);
    font-weight: 800;
    font-size: 14px;
    transition: background .15s, color .15s;
}

.lpkt-option.lpkt-selected .lpkt-option-letter {
    background: var(--lpkt-accent);
    color: #fff;
}

.lpkt-option-text {
    font-size: 15px;
    line-height: 1.4;
}

/* ── Correct / Wrong states (after submission) ───────────────── */
.lpkt-option.lpkt-correct-option {
    border-color: #16a34a;
    background: #f0fdf4;
    cursor: default;
}

.lpkt-option.lpkt-correct-option .lpkt-option-letter {
    background: #16a34a;
    color: #fff;
}

.lpkt-option.lpkt-wrong-option {
    border-color: #dc2626;
    background: #fef2f2;
    cursor: default;
}

.lpkt-option.lpkt-wrong-option .lpkt-option-letter {
    background: #dc2626;
    color: #fff;
}

/* Disable hover after answer */
.lpkt-option.lpkt-correct-option:hover,
.lpkt-option.lpkt-wrong-option:hover {
    transform: none;
}

/* ── Feedback ────────────────────────────────────────────────── */
.lpkt-feedback {
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 15px;
    margin-bottom: 20px;
    line-height: 1.5;
}

.lpkt-feedback.lpkt-correct {
    background: #f0fdf4;
    color: #15803d;
    border-left: 4px solid #16a34a;
}

.lpkt-feedback.lpkt-incorrect {
    background: #fef2f2;
    color: #b91c1c;
    border-left: 4px solid #dc2626;
}

/* ── Buttons ─────────────────────────────────────────────────── */
.lpkt-action-row {
    display: flex;
    justify-content: flex-end;
}

.lpkt-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 700;
    border: none;
    cursor: pointer;
    transition: background .15s, transform .1s, opacity .15s;
    text-decoration: none;
    line-height: 1;
}

.lpkt-btn:hover   { transform: translateY(-1px); opacity: .92; }
.lpkt-btn:active  { transform: translateY(0); }
.lpkt-btn:disabled { opacity: .5; cursor: not-allowed; transform: none; }

.lpkt-btn-primary {
    background: var(--lpkt-accent);
    color: #fff;
}

.lpkt-btn-primary:hover { background: var(--lpkt-accent-dark); }

.lpkt-btn-outline {
    background: transparent;
    color: var(--lpkt-accent);
    border: 2px solid var(--lpkt-accent);
}

/* Shake animation for "no answer selected" */
@keyframes lpkt-shake {
    0%, 100% { transform: translateX(0); }
    25%       { transform: translateX(-4px); }
    75%       { transform: translateX(4px); }
}

.lpkt-shake { animation: lpkt-shake .3s ease; }

/* ── Results screen ──────────────────────────────────────────── */
.lpkt-results {
    text-align: center;
    padding: 16px 0;
    width: 100%;
}

.lpkt-score-circle {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    border: 6px solid var(--lpkt-accent);
    background: var(--lpkt-accent-light);
    transition: border-color .4s, background .4s;
}

.lpkt-score-num {
    font-size: 30px;
    font-weight: 900;
    color: var(--lpkt-accent);
}

/* Coloured variants */
.lpkt-score-100 { border-color: #16a34a; background: #f0fdf4; }
.lpkt-score-100 .lpkt-score-num { color: #16a34a; }

.lpkt-score-75 { border-color: #2563eb; background: #eff6ff; }
.lpkt-score-75 .lpkt-score-num { color: #2563eb; }

.lpkt-score-50 { border-color: #d97706; background: #fffbeb; }
.lpkt-score-50 .lpkt-score-num { color: #d97706; }

.lpkt-score-0 { border-color: #dc2626; background: #fef2f2; }
.lpkt-score-0 .lpkt-score-num { color: #dc2626; }

.lpkt-score-msg {
    font-size: 22px;
    font-weight: 800;
    margin: 0 0 8px;
    color: var(--lpkt-text);
}

.lpkt-score-feedback {
    font-size: 16px;
    color: var(--lpkt-text-muted);
    margin: 0 0 32px;
}

.lpkt-results-actions {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}

/* ── Responsive ──────────────────────────────────────────────── */
@media (max-width: 480px) {
    .lpkt-question-text { font-size: 16px; }
    .lpkt-option         { padding: 12px 14px; }
    .lpkt-option-letter  { min-width: 28px; height: 28px; font-size: 13px; }
    .lpkt-option-text    { font-size: 14px; }
    .lpkt-btn            { padding: 11px 22px; font-size: 14px; }
    .lpkt-score-circle   { width: 100px; height: 100px; }
    .lpkt-score-num      { font-size: 26px; }
}