:root {
    --primary: #3b82f6;
    --primary-strong: #2563eb;
    --primary-soft: #dbeafe;

    --bg-main: linear-gradient(135deg, #dbeafe, #e0f2fe, #eef2ff);

    --card-bg: rgba(255,255,255,0.88);

    --text-main: #1e293b;
    --text-light: #64748b;

    --border: #cbd5e1;

    --success: #22c55e;
    --danger: #ef4444;
    --warning: #f59e0b;
}

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

/* BODY */
body {
    font-family: 'Segoe UI', 'Roboto', sans-serif;
    background: var(--bg-main);
    min-height: 100vh;
    padding: 16px;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* CONTAINER */
.quiz-container {
    max-width: 980px;
    width: 100%;
    margin: 0 auto;
    background: var(--card-bg);
    backdrop-filter: blur(12px);
    border-radius: 28px;
    box-shadow: 0 20px 40px rgba(59,130,246,0.18);
    border: 1px solid rgba(255,255,255,0.4);
    overflow: hidden;
    transition: transform 0.25s ease;
}

/* LOGO */
.logo-wrap {
    display: flex;
    justify-content: center;
    padding: 28px 20px 12px;
}

.site-logo {
    max-width: 260px;
}

/* HEADER */
.quiz-header {
    background: linear-gradient(135deg, var(--primary), var(--primary-strong));
    color: white;
    padding: 16px 20px;
    display: flex;
    justify-content: space-between;
    align-items: baseline;
}

.title {
    font-size: 1.5rem;
    font-weight: 700;
}

.counter {
    background: rgba(255,255,255,0.2);
    padding: 6px 16px;
    border-radius: 40px;
    font-family: monospace;
}

/* INPUT IA */
.ai-controls {
    padding: 20px;
    display: flex;
    justify-content: center;
    align-items: flex-end;
    gap: 10px;
    flex-wrap: wrap;
}

input,
select {
    border: 1px solid var(--border);
    outline: none;
    background: #f1f5f9;
    border-radius: 14px;
    padding: 10px 12px;
    min-height: 40px;
    transition: 0.2s;
}

input:focus,
select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-soft);
}

.themes-field {
    flex: 1 1 240px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    min-width: 240px;
}

.theme-row {
    display: flex;
    gap: 8px;
    width: 100%;
}

.tema-input {
    flex: 1 1 auto;
    min-width: 0;
}

.btn-add-theme,
.btn-remove-theme {
    width: 40px;
    min-width: 40px;
    height: 40px;
    padding: 0;
    border-radius: 10px;
    font-size: 1.45rem;
    line-height: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-add-theme {
    background: #f97316;
    box-shadow: 0 6px 14px rgba(249,115,22,0.28);
}

.btn-remove-theme {
    background: #ef4444;
    box-shadow: 0 6px 14px rgba(239,68,68,0.24);
    font-size: 1.2rem;
}

#qtdSelect,
#tipoPerguntaSelect {
    width: 100%;
}

#qtdInput {
    width: 100%;
}

#tipoPerguntaSelect {
    min-width: 0;
}

.filter-field {
    display: flex;
    flex-direction: column;
    gap: 4px;
    width: 180px;
    min-width: 0;
    color: var(--text-light);
    font-size: 0.78rem;
    font-weight: 800;
}

.filter-field span {
    padding-left: 4px;
    text-align: center;
    line-height: 1.2;
}

.hidden {
    display: none;
}

/* BOTÕES */
button {
    background: linear-gradient(135deg, var(--primary), var(--primary-strong));
    color: white;
    border: none;
    border-radius: 14px;
    padding: 10px 16px;
    cursor: pointer;
    font-weight: bold;
    box-shadow: 0 6px 14px rgba(59,130,246,0.3);
    transition: all 0.15s ease;
}

button:hover {
    filter: brightness(1.05);
    transform: translateY(-1px);
}

button:active {
    transform: translateY(1px);
}

button:disabled {
    cursor: wait;
    opacity: 0.7;
    transform: none;
}

/* PERGUNTA */
.question-area {
    padding: 24px;
}

.question-text {
    font-size: 1.6rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--text-main);
}

.question-meta {
    font-size: 0.85rem;
    color: var(--primary);
    background: var(--primary-soft);
    padding: 4px 12px;
    border-radius: 30px;
    display: inline-block;
}

/* OPÇÕES */
.options-area {
    margin-top: 20px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.option-card {
    background: #f1f5f9;
    border-radius: 18px;
    padding: 14px;
    cursor: pointer;
    border: 1px solid var(--border);
    border-left: 5px solid transparent;
    transition: 0.15s;
}

.option-card:hover {
    background: #e2e8f0;
}

.option-card.selected {
    border-left-color: var(--primary);
    background: var(--primary-soft);
}

.option-card.correct {
    background: #dcfce7;
    border-left-color: var(--success);
}

.option-card.incorrect {
    background: #fee2e2;
    border-left-color: var(--danger);
}

/* 🔥 BOTÕES CENTRALIZADOS NO DESKTOP */
.buttons-bar {
    display: flex;
    justify-content: center;
    gap: 12px;
    padding: 20px;
    flex-wrap: wrap;
}

.buttons-bar.hidden {
    display: none;
}

/* estilos individuais */
.btn-back { background: #94a3b8; }
.btn-confirm { background: var(--warning); }
.btn-next { background: var(--success); }
.buttons-bar #pularBtn { background: #60a5fa; }
.btn-download { background: #0f766e; }
.btn-reset { background: #64748b; }

/* MODAL */
.modal {
    display: none;
    position: fixed;
    inset: 0;
    width: 100%;
    min-height: 100%;
    background: rgba(15,23,42,0.6);
    justify-content: center;
    align-items: center;
    padding: 18px;
    z-index: 20;
}

.modal-content {
    background: white;
    color: var(--text-main);
    border-radius: 24px;
    padding: 25px;
    width: 90%;
    max-width: 500px;
    text-align: center;
    position: relative;
    max-height: calc(100dvh - 36px);
    overflow: auto;
}

.answer-modal-content,
.notice-modal-content,
.download-modal-content {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.answer-modal-content h2,
.notice-modal-content h2,
.download-modal-content h2 {
    font-size: 1.45rem;
    line-height: 1.2;
}

.download-modal-content p {
    color: var(--text-light);
    font-weight: 600;
}

#respostaConteudo,
#avisoConteudo {
    line-height: 1.45;
}

#respostaConteudo p + p {
    margin-top: 8px;
}

.answer-modal-content button,
.notice-modal-content button {
    margin-top: 4px;
    flex-shrink: 0;
}

/* TUTORIAL */
.tutorial-modal {
    background: transparent;
    align-items: flex-end;
    justify-content: center;
    padding: 18px;
    pointer-events: none;
    z-index: 30;
}

.tutorial-spotlight {
    display: none;
    position: fixed;
    border: 3px solid #f59e0b;
    border-radius: 16px;
    background: rgba(255,255,255,0.08);
    box-shadow: 0 0 0 7px rgba(245,158,11,0.2), 0 10px 22px rgba(15,23,42,0.18);
    pointer-events: none;
    z-index: 31;
}

.tutorial-modal-content {
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-width: 430px;
    text-align: center;
    box-shadow: 0 18px 36px rgba(15,23,42,0.18);
    pointer-events: auto;
    z-index: 32;
}

.tutorial-modal-content h2 {
    font-size: 1.45rem;
    line-height: 1.2;
}

.tutorial-modal-content p {
    line-height: 1.45;
    color: var(--text-light);
    font-weight: 600;
}

.tutorial-step-count {
    align-self: center;
    background: var(--primary-soft);
    color: var(--primary-strong);
    border-radius: 999px;
    padding: 5px 12px;
    font-size: 0.8rem;
    font-weight: 800;
}

.tutorial-hint {
    background: #f8fafc;
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 10px 12px;
    color: var(--text-main);
    font-size: 0.92rem;
}

.tutorial-actions {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 8px;
}

.tutorial-actions button {
    padding: 10px 12px;
}

/* RESULTADOS */
.result-modal-content {
    width: min(92vw, 680px);
    max-width: 680px;
    max-height: 88vh;
    overflow: auto;
    padding: 28px;
    text-align: left;
}

.result-modal-content h2 {
    text-align: center;
    font-size: 1.45rem;
    margin-bottom: 16px;
}

.modal-close {
    position: absolute;
    top: 14px;
    right: 14px;
    width: 34px;
    height: 34px;
    padding: 0;
    border-radius: 50%;
    background: #e2e8f0;
    color: var(--text-main);
    box-shadow: none;
}

#resultadoConteudo {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.result-summary {
    background: linear-gradient(135deg, #eff6ff, #f8fafc);
    border: 1px solid #bfdbfe;
    border-radius: 20px;
    padding: 22px;
    text-align: center;
}

.result-summary.great {
    border-color: #86efac;
    background: linear-gradient(135deg, #dcfce7, #f8fafc);
}

.result-summary.medium {
    border-color: #fde68a;
    background: linear-gradient(135deg, #fef3c7, #f8fafc);
}

.result-summary.low {
    border-color: #fecaca;
    background: linear-gradient(135deg, #fee2e2, #f8fafc);
}

.score-number {
    font-size: clamp(2.6rem, 8vw, 4rem);
    line-height: 1;
    font-weight: 800;
    margin-bottom: 8px;
    color: var(--primary);
}

.result-summary p {
    color: var(--text-light);
    font-weight: 600;
}

.score-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.score-card {
    background: #f1f5f9;
    border-radius: 16px;
    padding: 14px 12px;
    border: 1px solid var(--border);
    text-align: center;
}

.score-card strong {
    display: block;
    font-size: 1.55rem;
    line-height: 1;
    margin-bottom: 6px;
}

.score-card span {
    display: block;
    color: var(--text-light);
    font-size: 0.85rem;
    font-weight: 700;
}

.score-success {
    border-color: #bbf7d0;
    background: #f0fdf4;
}

.score-danger {
    border-color: #fecaca;
    background: #fef2f2;
}

.score-total {
    border-color: #bfdbfe;
    background: #eff6ff;
}

.pending-note,
.result-note {
    border-radius: 14px;
    padding: 12px 14px;
    font-weight: 700;
    text-align: center;
}

.pending-note {
    background: #fffbeb;
    color: #92400e;
    border: 1px solid #fde68a;
}

.result-note {
    background: #f0fdf4;
    color: #166534;
    border: 1px solid #bbf7d0;
}

.wrong-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.wrong-list h3 {
    font-size: 1rem;
    margin: 4px 0 0;
}

.wrong-list-title {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
}

.wrong-list-title span {
    min-width: 30px;
    height: 30px;
    display: inline-flex;
    justify-content: center;
    align-items: center;
    border-radius: 50%;
    background: #fee2e2;
    color: #b91c1c;
    font-weight: 800;
}

.wrong-item {
    background: #f8fafc;
    border: 1px solid var(--border);
    border-left: 5px solid var(--danger);
    border-radius: 16px;
    padding: 14px;
}

.wrong-item strong {
    display: block;
    margin-bottom: 10px;
    line-height: 1.35;
}

.wrong-item p {
    margin-top: 8px;
    line-height: 1.45;
    color: var(--text-main);
}

.wrong-item span {
    display: block;
    color: var(--text-light);
    font-size: 0.78rem;
    font-weight: 800;
    margin-bottom: 2px;
    text-transform: uppercase;
}

.wrong-item p:last-child {
    background: white;
    border-radius: 12px;
    padding: 10px;
}

.result-actions {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 10px;
    margin-top: 18px;
}

.download-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.download-actions .btn-reset {
    grid-column: 1 / -1;
}

/* FOOTER */
footer {
    text-align: center;
    padding: 10px;
    font-size: 0.8rem;
    color: var(--text-light);
}

footer a,
footer a:visited,
footer a:hover,
footer a:active,
footer a:focus {
    color: inherit;
    text-decoration: none;
}

footer a span {
    color: var(--primary);
}

/* 📱 MOBILE */
@media (max-width: 768px) {

    body {
        align-items: center;
        padding: 10px;
    }

    .quiz-container {
        border-radius: 22px;
    }

    .logo-wrap {
        padding: 18px 14px 8px;
    }

    .site-logo {
        max-width: min(220px, 72vw);
    }

    .quiz-header {
        padding: 14px 16px;
        gap: 10px;
        align-items: center;
    }

    .title {
        font-size: 1.25rem;
        line-height: 1.2;
        min-width: 0;
        overflow-wrap: anywhere;
    }

    .counter {
        flex-shrink: 0;
        padding: 6px 10px;
        font-size: 0.82rem;
    }

    .ai-controls {
        padding: 14px;
        gap: 12px;
        justify-content: center;
    }

    .themes-field {
        flex: 0 0 100%;
        width: 100%;
        min-width: 0;
    }

    .tema-input {
        padding: 8px 10px;
        min-height: 38px;
        font-size: 0.9rem;
    }

    .btn-add-theme,
    .btn-remove-theme {
        width: 38px;
        min-width: 38px;
        height: 38px;
    }

    .ai-controls .btn-add-theme,
    .ai-controls .btn-remove-theme {
        width: 38px;
        min-width: 38px;
        min-height: 38px;
    }

    .filter-field {
        flex: 0 1 calc(50% - 4px);
        width: calc(50% - 4px);
    }

    .filter-field #qtdInput {
        width: 100%;
    }

    #qtdSelect,
    #tipoPerguntaSelect,
    #qtdInput {
        min-height: 38px;
        font-size: 0.9rem;
    }

    .ai-controls button {
        width: 100%;
        min-height: 42px;
    }

    .ai-controls .btn-add-theme,
    .ai-controls .btn-remove-theme {
        width: 38px;
        min-width: 38px;
        min-height: 38px;
    }

    .question-area {
        padding: 22px 16px 12px;
    }

    .question-text {
        font-size: 1.35rem;
        margin-bottom: 10px;
    }

    .options-area {
        margin-top: 18px;
        gap: 12px;
    }

    .option-card {
        border-radius: 14px;
        padding: 12px;
        line-height: 1.35;
    }

    .buttons-bar {
        display: grid;
        grid-template-columns: 1fr 1fr;
        padding: 12px 14px 16px;
        gap: 12px;
    }

    .buttons-bar button {
        min-height: 42px;
        padding: 10px 12px;
    }

    .btn-confirm,
    .btn-reset {
        grid-column: 1 / -1;
    }
}

@media (max-width: 480px) {

    .quiz-container.tutorial-mobile-lift {
        transform: translateY(var(--tutorial-mobile-offset, -120px));
    }

    body {
        padding: 8px;
    }

    .quiz-container {
        border-radius: 18px;
    }

    .ai-controls {
        padding: 12px;
        gap: 12px 10px;
    }

    .tema-input {
        padding: 7px 9px;
        font-size: 0.85rem;
        min-height: 38px;
    }

    .filter-field {
        flex-basis: calc(50% - 5px);
        width: calc(50% - 5px);
        font-size: 0.72rem;
    }

    .filter-field #qtdInput {
        width: 100%;
    }

    #qtdInput {
        width: 100%;
    }

    #qtdSelect,
    #tipoPerguntaSelect,
    #qtdInput {
        padding: 8px 9px;
        font-size: 0.82rem;
    }

    .question-area {
        padding: 20px 12px 10px;
    }

    .question-text {
        font-size: 1.15rem;
        line-height: 1.3;
    }

    .question-meta {
        font-size: 0.78rem;
    }

    .buttons-bar {
        grid-template-columns: 1fr;
        padding: 10px 12px 14px;
        gap: 12px;
    }

    .modal {
        align-items: flex-end;
        padding: 12px;
    }

    .tutorial-modal {
        align-items: flex-end;
        padding: 10px;
    }

    .modal-content {
        width: 100%;
        border-radius: 20px;
        padding: 20px 16px;
        max-height: calc(100dvh - 24px);
    }

    .answer-modal-content h2,
    .notice-modal-content h2,
    .download-modal-content h2 {
        font-size: 1.28rem;
    }

    .tutorial-modal-content {
        gap: 12px;
        width: min(100%, 390px);
        padding: 16px 14px;
        border-radius: 18px;
    }

    .tutorial-modal-content h2 {
        font-size: 1.15rem;
    }

    .tutorial-modal-content p {
        font-size: 0.9rem;
    }

    .tutorial-hint {
        padding: 8px 10px;
        font-size: 0.86rem;
    }

    .tutorial-actions {
        grid-template-columns: 1fr;
    }

    .tutorial-actions button {
        width: 100%;
    }

    #respostaConteudo,
    #avisoConteudo {
        font-size: 0.95rem;
    }

    .result-modal-content {
        width: 100%;
        max-height: 92vh;
        padding: 22px 16px 18px;
    }

    .score-grid,
    .result-actions,
    .download-actions {
        grid-template-columns: 1fr;
    }

    .download-actions .btn-reset {
        grid-column: auto;
    }

    .score-card {
        display: flex;
        justify-content: space-between;
        align-items: center;
        text-align: left;
    }

    .score-card strong,
    .score-card span {
        margin: 0;
    }
}