/* ===== Página pública de examen (sin sesión) ===== */

:root {
    --dwq-primary: #4f46e5;
    --dwq-primary-dark: #4338ca;
    --dwq-secondary: #10b981;
    --dwq-danger: #ef4444;
    --dwq-bg: #f3f4f6;
    --dwq-text: #1f2937;
    --dwq-text-medium: #4b5563;
    --dwq-border: #e5e7eb;
}

* {
    box-sizing: border-box;
}

body.dwq-guest {
    margin: 0;
    min-height: 100vh;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: var(--dwq-bg);
    color: var(--dwq-text);
}

.dwq-guest-container {
    max-width: 720px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

.dwq-guest-card {
    background: #fff;
    padding: 2rem;
    border-radius: 0.75rem;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.08);
}

.dwq-guest-card[hidden],
[hidden] {
    display: none !important;
}

.dwq-guest-title {
    font-size: 1.6rem;
    font-weight: 800;
    margin: 0 0 0.5rem;
    text-align: center;
}

.dwq-guest-muted {
    color: var(--dwq-text-medium);
    text-align: center;
    margin: 0 0 1.25rem;
}

.dwq-guest-notice {
    text-align: center;
    font-size: 1.1rem;
}

.dwq-guest-error {
    background: #fef2f2;
    border: 1px solid #fecaca;
    color: #b91c1c;
    padding: 0.75rem 1rem;
    border-radius: 0.5rem;
    margin: 1rem 0;
}

/* Formulario */
.dwq-field {
    display: block;
    margin-bottom: 1rem;
}

.dwq-field span {
    display: block;
    font-weight: 600;
    margin-bottom: 0.35rem;
}

.dwq-field input {
    width: 100%;
    padding: 0.7rem 0.85rem;
    font-size: 1rem;
    border: 2px solid var(--dwq-border);
    border-radius: 0.5rem;
}

.dwq-field input:focus {
    outline: none;
    border-color: var(--dwq-primary);
}

.dwq-check {
    display: flex;
    gap: 0.6rem;
    align-items: flex-start;
    margin: 1.25rem 0;
    font-size: 0.92rem;
    color: var(--dwq-text-medium);
    line-height: 1.45;
}

.dwq-check input {
    margin-top: 0.2rem;
    width: 1.1rem;
    height: 1.1rem;
    flex-shrink: 0;
}

.dwq-hp {
    position: absolute !important;
    left: -9999px !important;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

/* Botones */
.dwq-btn {
    width: 100%;
    padding: 0.8rem 1rem;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: 0.5rem;
    cursor: pointer;
    color: #fff;
    transition: background-color 0.15s ease;
}

.dwq-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.dwq-btn-primary {
    background: var(--dwq-primary);
}

.dwq-btn-primary:hover:not(:disabled) {
    background: var(--dwq-primary-dark);
}

.dwq-btn-secondary {
    background: var(--dwq-text-medium);
}

.dwq-btn-secondary:hover:not(:disabled) {
    background: #374151;
}

.dwq-btn-finish {
    background: var(--dwq-secondary);
}

.dwq-btn-finish:hover:not(:disabled) {
    background: #059669;
}

.dwq-link-btn {
    background: none;
    border: none;
    padding: 0;
    color: var(--dwq-primary);
    text-decoration: underline;
    cursor: pointer;
    font-size: inherit;
}

/* Examen */
.dwq-quiz-head {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.dwq-quiz-title {
    text-align: left;
    font-size: 1.3rem;
    margin: 0;
}

.dwq-timer {
    background: #fee2e2;
    color: #991b1b;
    padding: 0.4rem 0.9rem;
    border-radius: 9999px;
    font-weight: 700;
    font-family: monospace;
    font-size: 1.15rem;
    white-space: nowrap;
}

.dwq-timer.dwq-timer-low {
    background: #fecaca;
    color: var(--dwq-danger);
}

.dwq-progress {
    height: 0.6rem;
    background: var(--dwq-border);
    border-radius: 9999px;
    overflow: hidden;
}

#dwq-progress-bar {
    height: 100%;
    width: 0;
    background: var(--dwq-primary);
    transition: width 0.3s ease;
}

.dwq-progress-text {
    font-size: 0.9rem;
    color: var(--dwq-text-medium);
    margin: 0.5rem 0 1.25rem;
}

.dwq-question-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(2.6rem, 1fr));
    gap: 0.35rem;
    max-height: 14rem;
    overflow-y: auto;
    padding: 0.5rem;
    margin-bottom: 1.25rem;
    border: 1px solid var(--dwq-border);
    border-radius: 0.5rem;
}

.dwq-question-grid button {
    padding: 0.4rem 0;
    font-size: 0.85rem;
    border: 1px solid var(--dwq-border);
    border-radius: 0.35rem;
    background: #f9fafb;
    cursor: pointer;
    color: var(--dwq-text-medium);
}

.dwq-question-grid button.is-answered {
    background: #d1fae5;
    border-color: #6ee7b7;
    color: #065f46;
}

.dwq-question-grid button.is-current {
    outline: 2px solid var(--dwq-primary);
}

.dwq-question-number {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--dwq-primary);
    margin: 0 0 0.5rem;
}

.dwq-question-text {
    font-size: 1.3rem;
    font-weight: 700;
    margin: 0 0 1rem;
    line-height: 1.4;
}

.dwq-question-description {
    color: var(--dwq-text-medium);
    line-height: 1.55;
    margin-bottom: 1rem;
}

.dwq-question-description img {
    max-width: 100%;
    height: auto;
    border-radius: 0.5rem;
}

.dwq-question-hint {
    font-size: 0.9rem;
    color: var(--dwq-text-medium);
    font-style: italic;
    margin: 0 0 0.75rem;
}

.dwq-option {
    display: flex;
    gap: 0.75rem;
    align-items: flex-start;
    width: 100%;
    text-align: left;
    padding: 0.9rem 1rem;
    margin-bottom: 0.75rem;
    border: 2px solid var(--dwq-border);
    border-radius: 0.75rem;
    background: #f9fafb;
    color: var(--dwq-text-medium);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s ease-in-out;
}

.dwq-option:hover {
    background: #f3f4f6;
}

.dwq-option-mark {
    flex-shrink: 0;
    width: 1.15rem;
    height: 1.15rem;
    margin-top: 0.15rem;
    border: 2px solid #9ca3af;
    border-radius: 50%;
    background: #fff;
}

.dwq-option.is-multi .dwq-option-mark {
    border-radius: 0.25rem;
}

.dwq-option.is-selected {
    border-color: var(--dwq-secondary);
    background: #d1fae5;
    color: #065f46;
}

.dwq-option.is-selected .dwq-option-mark {
    border-color: var(--dwq-secondary);
    background: var(--dwq-secondary);
    box-shadow: inset 0 0 0 2px #fff;
}

.dwq-nav {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.dwq-finish-row {
    margin-top: 0.75rem;
}

@media (max-width: 480px) {
    .dwq-guest-container {
        padding: 1rem;
    }

    .dwq-guest-card {
        padding: 1.25rem;
    }

    .dwq-question-text {
        font-size: 1.15rem;
    }
}