:root {
    --bg-a: #f7f4ea;
    --bg-b: #f0e3c8;
    --ink: #1f2633;
    --ink-soft: #5a6477;
    --card: #fffdf7;
    --line: #e4d7bc;
    --accent: #1f7a6a;
    --accent-strong: #145145;
    --danger: #b42318;
    --warning: #8f5a00;
    --shadow: 0 18px 50px rgba(31, 38, 51, 0.12);
    --mask-radius: 200px;
    --mask-solid-stop: 38%;
    --mask-fade-mid: 62%;
    --mask-fade-soft: 84%;
    --placeholder-color: #767e8a;
    --placeholder-color-secondary: #b0bac8;
    --placeholder-opacity: 0.3;
}

* {
    box-sizing: border-box;
}

html,
body {
    max-width: 100%;
    overflow-x: hidden;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: "Manrope", sans-serif;
    color: var(--ink);
    background: radial-gradient(circle at 90% 8%, #f8dca4 0%, transparent 35%),
        radial-gradient(circle at 15% 85%, #d8e6d9 0%, transparent 30%),
        linear-gradient(130deg, var(--bg-a), var(--bg-b));
    padding: 20px;
}

.app-shell {
    width: min(980px, 100%);
    margin: 0 auto;
    position: relative;
    z-index: 2;
    display: grid;
    gap: 18px;
}

body.quiz-mode .app-shell {
    min-height: calc(100vh - 40px);
    align-content: center;
}

.app-header {
    background: rgba(255, 253, 247, 0.9);
    border: 1px solid var(--line);
    border-radius: 18px;
    padding: 18px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
}

.app-header h1 {
    font-family: "Sora", sans-serif;
    margin: 0;
    font-size: clamp(1.6rem, 2.4vw, 2.2rem);
    letter-spacing: -0.03em;
}

.app-header p {
    margin: 8px 0 0;
    color: var(--ink-soft);
}

.app-header>div:first-child {
    min-width: 0;
}

.app-header p,
.app-header h1 {
    overflow-wrap: anywhere;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.header-actions .btn {
    white-space: nowrap;
}

.user-chip {
    background: #edf7f3;
    border: 1px solid #b9ded1;
    color: #1d5d4d;
    border-radius: 999px;
    padding: 8px 12px;
    font-size: 0.88rem;
    font-weight: 700;
    max-width: 280px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    cursor: pointer;
    transition: background 0.15s, border-color 0.15s;
}

.user-chip:hover {
    background: #d4f0e7;
    border-color: #7ec9b4;
}

.user-chip-wrap {
    position: relative;
}

.user-chip-popup {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: #fffdfb;
    border: 1px solid #d6cdb8;
    border-radius: 12px;
    padding: 12px 14px;
    min-width: 220px;
    z-index: 100;
    box-shadow: 0 4px 18px rgba(0, 0, 0, 0.10);
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.user-chip-popup-email {
    font-size: 0.85rem;
    color: #5a4d38;
    margin: 0;
    word-break: break-all;
}

.card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 20px;
    box-shadow: var(--shadow);
    padding: clamp(18px, 3vw, 26px);
    animation: rise-in 280ms ease both;
}

.card h2 {
    margin-top: 0;
    margin-bottom: 8px;
    font-family: "Sora", sans-serif;
}

.auth-card {
    text-align: center;
}

.auth-card p {
    color: var(--ink-soft);
}

#boot-screen {
    text-align: center;
}

body.app-booting #auth-screen,
body.app-booting #profile-screen,
body.app-booting #home-screen,
body.app-booting #teacher-screen,
body.app-booting #teacher-classrooms-screen,
body.app-booting #builder-screen,
body.app-booting #start-screen,
body.app-booting #quiz-screen,
body.app-booting #cancel-screen,
body.app-booting #result-screen,
body.app-booting #review-screen {
    display: none;
}

body:not(.app-booting) #boot-screen {
    display: none;
}

.auth-message {
    min-height: 24px;
    color: var(--danger);
    font-weight: 700;
}

#cancel-screen #cancel-message {
    margin: 10px 0 0;
    padding: 12px 14px;
    border-radius: 12px;
    border: 1px solid #e7b5b0;
    background: #fdecea;
    color: #8f2c21;
    font-weight: 700;
}

#home-screen {
    display: grid;
    gap: 20px;
}

#home-screen .card {
    padding: 22px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
    align-items: start;
    position: relative;
}

.search-box-inline {
    grid-column: 1 / -1;
    margin-bottom: 0;
    margin-top: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding-bottom: 10px;
}

@media (max-width: 700px) {
    .stats-grid {
        grid-template-columns: 1fr 1fr;
    }

    .search-box-inline {
        grid-column: 1 / -1;
    }
}

.stat-card {
    background: #fcf5e8;
    border: 1px solid #ead4ac;
    border-radius: 14px;
    padding: 14px;
}

.stat-card h3 {
    margin: 0;
    font-size: 1.5rem;
}

.stat-card p {
    margin: 4px 0 0;
    color: var(--ink-soft);
    font-size: 0.9rem;
}

.home-tools {
    display: grid;
    gap: 10px;
}

.home-tools label {
    font-weight: 700;
}

.home-tools input,
input[type="text"] {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 12px 14px;
    font: inherit;
    background: #fff;
}

select {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 12px 14px;
    font: inherit;
    background: #fff;
}

select:focus {
    border-color: var(--accent);
    outline: 2px solid rgba(31, 122, 106, 0.2);
}

.home-tools input:focus,
input[type="text"]:focus {
    border-color: var(--accent);
    outline: 2px solid rgba(31, 122, 106, 0.2);
}

.quiz-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

.quiz-card {
    display: grid;
    gap: 12px;
}

.quiz-card-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 8px;
}

.quiz-card h3 {
    margin: 0;
    font-size: 1.06rem;
}

.quiz-card p {
    margin: 0;
    color: var(--ink-soft);
}

.quiz-card .btn {
    margin-top: 6px;
    width: fit-content;
}

.quiz-card-manage-actions {
    display: flex;
    gap: 8px;
    width: 100%;
    margin-top: 2px;
}

.quiz-card-manage-actions .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    min-width: 104px;
}

.quiz-status {
    border-radius: 999px;
    padding: 5px 10px;
    font-size: 0.74rem;
    font-weight: 700;
}

.quiz-status.available {
    background: #eaf7f3;
    color: #1d5d4d;
}

.quiz-status.completed {
    background: #e9f0ff;
    color: #224a8b;
}

.quiz-status.cancelled {
    background: #fff0ef;
    color: #9d2f2f;
}

.quiz-meta {
    margin: 0;
    padding-left: 0px;
    color: var(--ink-soft);
    display: grid;
    gap: 4px;
    list-style-type: none;
}

.quiz-meta-highlight {
    margin-top: 10px;
    padding: 9px 11px;
    border-radius: 10px;
    border: 1px solid #e4c27f;
    background: #fff5dd;
    color: #7a4f0f;
    font-weight: 800;
    list-style: none;
}

.student-name-clickable {
    cursor: pointer;
    text-decoration: underline;
    text-decoration-style: dotted;
    text-underline-offset: 3px;
}

.student-email-hint {
    display: block;
    font-size: 0.82rem;
    color: #6b5d47;
    font-weight: normal;
    margin-top: 2px;
}

.form-grid {
    display: grid;
    gap: 10px;
    margin-top: 14px;
}

/* Start screen: melhorar layout e espaçamento dos botões */
#start-screen .form-grid {
    display: flex;
    flex-direction: row;
    gap: 18px;
    justify-content: center;
    align-items: center;
    margin-top: 18px;
    flex-wrap: wrap;
}

#start-screen #start-quiz-button,
#start-screen .form-grid .btn {
    min-width: 220px;
    max-width: 340px;
    flex: 1 1 220px;
    padding: 16px 24px;
    font-size: 1.05rem;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(31, 38, 51, 0.08);
    margin: 0;
}

#start-screen #start-quiz-button {
    box-shadow: 0 18px 40px rgba(20, 81, 69, 0.18);
}

@media (max-width: 640px) {
    #start-screen .form-grid {
        flex-direction: column;
        gap: 12px;
    }

    #start-screen #start-quiz-button,
    #start-screen .form-grid .btn {
        max-width: 100%;
        min-width: 0;
        padding: 14px 18px;
        font-size: 1rem;
    }
}

.form-grid label {
    font-weight: 700;
}

.quiz-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    margin-bottom: 14px;
}

.progress-text {
    margin: 0;
    color: var(--ink-soft);
    font-weight: 700;
}

.question-description {
    margin-top: 6px;

    color: var(--ink-soft);
}

.answers-list {
    position: relative;
    margin-top: 12px;
    display: grid;
    gap: 10px;
}



.answers-list.masked .answer-option {
    background: #fff;
    border: 1px solid var(--line);
    pointer-events: auto;
    transition: border-color 0.2s, background 0.2s;
}

.answers-list.masked .answer-option input {
    opacity: 1;
}

.answer-option-content {
    position: relative;
    flex: 1;
    min-width: 0;
}

.answer-placeholders {
    display: none;
}

.answers-list.masked .answer-placeholders {
    position: absolute;
    left: 0;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 5px;
    max-width: 74%;
    pointer-events: none;
    transition: opacity 0.12s;
    opacity: var(--placeholder-opacity);
}

.answers-list.masked .answer-option:hover .answer-placeholders {
    opacity: 0;
}

.answer-placeholder-block {
    display: block;
    height: 0.52em;
    border-radius: 3px;
    background: var(--placeholder-color);
}

.answer-placeholder-block-secondary {
    background: var(--placeholder-color);
}

.answers-list .answer-option.selected {
    border-color: #a8c6b2;
    background: #f4faf6;
}

.answers-list .answer-option.selected .answer-placeholder-block,
.answers-list .answer-option.selected .answer-placeholder-block-secondary {
    background: #9fb7a5;
}

.answers-list.masked .answer-text {
    position: relative;
    display: block;
    color: transparent;
    user-select: none;
    transition: none;
}

.answers-list.masked .answer-text::after {
    content: attr(data-label);
    position: absolute;
    top: 0;
    left: 0;
    color: var(--ink);
    pointer-events: none;
    width: 100%;
    height: 100%;
    display: inline-block;
    background: transparent;
    opacity: 0;
    transition: opacity 0.12s ease;
}

/* opacidade questão */
.answers-list.masked .answer-option:hover .answer-text::after {
    opacity: 1;
}

/* Selected answer text turns light green */
.answers-list .answer-option.selected .answer-text::after {
    color: #a3bda3;
    opacity: 0;
}

/* Also when masked (reveal through mask) verde */
.answers-list.masked .answer-option.selected .answer-text::after {
    color: #a3bda3;
    opacity: 0;
}

.answers-list.masked .answer-option.selected:hover .answer-placeholders {
    opacity: var(--placeholder-opacity);
}

.answers-list.masked .answer-option:hover {
    border-color: var(--accent);
}

.answers-list.question-timeout-locked .answer-option {
    pointer-events: none;
}

.answers-list.question-timeout-locked .answer-text::after {
    display: none;
}

.answers-list.question-timeout-locked .answer-placeholders {
    display: none;
}

.answer-option {
    display: flex;
    align-items: center;
    gap: 10px;
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 12px;
    background: #fff;
}

.answer-option input {
    accent-color: var(--accent);
}

.quiz-actions,
.result-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 16px;
}

.quiz-actions {
    justify-content: center;
}

#quiz-screen {
    position: relative;
    overflow: hidden;
    margin-inline: auto;
    width: min(900px, 100%);
}

#quiz-screen #cancel-button {
    display: none !important;
}

.question-info-area {
    display: grid;
    gap: 10px;
    margin-bottom: 12px;
}

.question-timer {
    display: inline-flex;
    align-items: center;
    justify-content: flex-start;
    gap: 6px;
    padding: 10px 14px;
    border-radius: 12px;
    border: 1px solid #d8c7a8;
    background: #f8f0e0;
    color: #6a5d4f;
    font-weight: 700;
    width: fit-content;
}

.question-timer strong {
    color: var(--warning);
    font-size: 1rem;
}

.question-timer.question-timer-danger {
    border-color: #e88f8f;
    background: #fde9e9;
    color: #9e2f2f;
}

.question-timer.question-timer-danger strong {
    color: #bf1f1f;
}

.question-timeout-notice {
    display: grid;
    gap: 12px;
    padding: 14px;
    border-radius: 14px;
    border: 1px solid #f6c7b8;
    background: #fff1ec;
    color: #8a2414;
}

.question-timeout-notice p {
    margin: 0;
    font-weight: 700;
}

.question-timeout-autonext {
    font-weight: 600;
    color: #7a2e1f;
}

.start-rules {
    margin-top: 12px;
    padding: 12px;
    border-radius: 12px;
    border: 1px solid var(--line);
    background: #fff8eb;
}

.start-rules h3 {
    margin: 0 0 8px;
    font-size: 1rem;
}

.start-rules,
.start-rules h3,
.start-rules .quiz-meta {
    color: #111;
}

.quiz-locked #quiz-content {
    display: none;
}

.policy-overlay {
    position: fixed;
    inset: 0;
    background: rgba(31, 38, 51, 0.35);
    z-index: 25;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.policy-overlay.hidden {
    display: none;
}

.policy-card {
    background: #fef5f0;
    border-radius: 16px;
    box-shadow: 0 12px 48px rgba(31, 38, 51, 0.25);
    padding: 40px 36px;
    max-width: 480px;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    text-align: center;
}

.modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(31, 38, 51, 0.18);
    z-index: 20;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    transition: opacity 0.2s;
}

.modal-overlay.hidden {
    display: none;
}

.modal-card {
    background: #fffdf7;
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(31, 38, 51, 0.13);
    padding: 32px 28px 24px 28px;
    min-width: 320px;
    max-width: 94vw;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 18px;
}

.modal-card h3 {
    margin: 0 0 6px 0;
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--danger);
}

.modal-card p {
    margin: 0 0 10px 0;
    color: var(--ink-soft);
    text-align: center;
}

.modal-actions {
    display: flex;
    gap: 14px;
    margin-top: 8px;
}

.policy-main-text {
    margin: 0;
    font-weight: 800;
    font-size: 1.1rem;
    color: #8a2414;
    letter-spacing: 0.3px;
}

.policy-chances-text {
    margin: 12px 0;
    font-weight: 700;
    font-size: 0.95rem;
    color: #5a1810;
    line-height: 1.4;
}

.policy-countdown-line {
    margin: 16px 0 20px;
    font-weight: 600;
    font-size: 0.9rem;
    color: #8a2414;
    padding: 8px 12px;
    background: rgba(255, 107, 61, 0.1);
    border-radius: 8px;
}

.policy-countdown-line strong {
    font-weight: 800;
    color: #c74418;
    font-size: 1.1em;
}

.policy-overlay h2 {
    margin: 0 0 16px 0;
    font-size: 1.6rem;
    font-weight: 800;
    color: #c74418;
}

.policy-overlay #policy-return-button {
    margin-top: 8px;
}

#focus-wait-alert {
    position: fixed !important;
    inset: 0 !important;
    background: rgba(31, 38, 51, 0.35) !important;
    z-index: 25 !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    padding: 20px !important;
}

#focus-wait-alert.hidden {
    display: none !important;
}

#focus-wait-alert::before {
    content: '';
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.focus-wait-alert-card {
    position: relative;
    z-index: 1;
    background: #fef9f3 !important;
    border-radius: 16px !important;
    box-shadow: 0 12px 48px rgba(31, 38, 51, 0.25) !important;
    padding: 40px 36px !important;
    max-width: 520px !important;
    width: 100% !important;
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    gap: 20px !important;
    text-align: center !important;
    border: none !important;
    font-size: 1rem !important;
}

#focus-wait-alert p {
    margin: 0 !important;
    line-height: 1.5 !important;
}

#focus-wait-alert p:first-of-type {
    font-weight: 800 !important;
    font-size: 1.3rem !important;
    color: #c74418 !important;
    margin-bottom: 12px !important;
}

#focus-wait-alert-text {
    font-weight: 600 !important;
    color: #8a2414 !important;
    font-size: 0.95rem !important;
    line-height: 1.5 !important;
    margin: 16px 0 !important;
}

#focus-wait-back-btn {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 8px !important;
    margin-top: 8px !important;
    padding: 12px 24px !important;
    white-space: nowrap !important;
    font-size: 1rem !important;
}

.focus-wait-alert-counter {
    font-weight: 800 !important;
    font-size: 0.85rem !important;
    opacity: 0.9 !important;
}

#focus-wait-alert-count {
    font-weight: 800 !important;
    color: currentColor !important;
    font-size: 1rem !important;
}

.result-already-completed {
    margin: 0 0 16px;
    padding: 12px;
    border-radius: 12px;
    border: 1px solid #c8b8a0;
    background: #f8f0e0;
    color: #6a5d4f;
    font-weight: 700;
}

#result-screen {
    display: grid;
    gap: 12px;
}

#result-screen h2 {
    margin: 0;
}

.result-score {
    font-size: 2rem;
    margin: 6px 0;
    font-weight: 800;
}

.result-percent {
    margin: 0;
    color: var(--accent-strong);
    font-weight: 800;
}

.result-details {
    margin-top: 12px;
    color: var(--ink-soft);
}

#result-quiz-title {
    margin: 0;
    color: var(--ink-soft);
    font-family: "Manrope", sans-serif;
    font-size: 1rem;
    font-weight: 700;
    overflow-wrap: anywhere;
}

#result-screen .result-name {
    margin: 2px 0 0;
    color: var(--ink-soft);
    overflow-wrap: anywhere;
}

#result-screen .result-score,
#result-screen .result-percent {
    margin: 0;
}

#result-details {
    margin-top: 0;
    padding: 16px 18px;
    border: 1px solid #d7dee8;
    border-radius: 12px;
    background: #f8fafc;
    display: grid;
    gap: 8px;
    overflow-wrap: anywhere;
}

.result-meta-line {
    margin: 0;
}

.result-meta-line-strong {
    font-weight: 800;
    color: #1f2937;
}

.result-meta-line-key {
    font-size: 0.82rem;
    font-weight: 800;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: #5f6b7a;
}

.result-meta-line-highlight {
    color: #8f2c21;
    font-weight: 700;
}

#result-screen .result-actions {
    margin-top: 6px;
    padding-top: 12px;
    border-top: 1px solid #e2e8f0;
}

#result-screen .result-actions .btn {
    min-height: 44px;
}

#result-screen .btn-ghost {
    background: #e9eef4;
}

#result-screen .btn-ghost:hover {
    background: #dde5ee;
}

.teacher-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 16px;
}

.teacher-head h2 {
    margin: 0;
}

.teacher-head p {
    margin: 6px 0 0;
    color: var(--ink-soft);
}

.teacher-head-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.teacher-users-list {
    display: grid;
    gap: 16px;
}

.teacher-classrooms-list {
    display: grid;
    gap: 14px;
    margin-top: 14px;
}

.teacher-classroom-chip {
    border: 1px solid #c6dacd;
    background: #edf7f3;
    color: #1d5d4d;
    border-radius: 999px;
    padding: 6px 10px;
    font-size: 0.82rem;
    font-weight: 700;
}

.teacher-classroom-manage-card {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 14px;
    padding: 16px 18px;
    border-radius: 16px;
    border: 1px solid var(--line);
    background: #fff;
}

.teacher-classroom-manage-main {
    display: grid;
    gap: 10px;
    flex: 1;
}

.teacher-classroom-manage-card h3 {
    margin: 0;
    font-size: 1rem;
}

.teacher-classroom-manage-card p {
    margin: 6px 0 0;
    color: var(--ink-soft);
    font-size: 0.9rem;
}

.teacher-classroom-students {
    display: grid;
    gap: 8px;
    border-radius: 12px;
    transition: background 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}

.teacher-classroom-students strong {
    font-size: 0.88rem;
    color: var(--ink);
}

.teacher-classroom-student-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.teacher-classroom-student-chip {
    display: inline-flex;
    align-items: center;
    min-height: 34px;
    padding: 7px 11px;
    border-radius: 999px;
    background: #f5f0e3;
    border: 1px solid #e6d5b2;
    color: #5b4d2a;
    font-size: 0.84rem;
    font-weight: 700;
}

.teacher-student-draggable {
    cursor: grab;
    user-select: none;
}

.teacher-student-draggable:active {
    cursor: grabbing;
}

.teacher-student-draggable.is-dragging {
    opacity: 0.55;
}

.teacher-classroom-dropzone.is-drag-over {
    background: #eef8f4;
    box-shadow: inset 0 0 0 1px #8fcbb7;
}

.teacher-classroom-student-empty {
    margin: 0;
    color: var(--ink-soft);
    font-size: 0.88rem;
}

.teacher-classroom-manage-actions {
    display: flex;
    gap: 10px;
    align-items: center;
}

.teacher-empty-state {
    margin: 0;
    padding: 18px;
    border: 1px dashed var(--line);
    border-radius: 14px;
    color: var(--ink-soft);
    background: rgba(255, 255, 255, 0.7);
}

.teacher-classroom-section {
    border: 1px solid var(--line);
    border-radius: 18px;
    padding: 16px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(252, 247, 236, 0.96));
    box-shadow: 0 12px 28px rgba(31, 38, 51, 0.06);
}

.teacher-classroom-section h3 {
    margin: 0 0 12px;
    font-family: "Sora", sans-serif;
    font-size: 1.1rem;
}

.teacher-create-card {
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 14px;
    background: #fff;
    margin-bottom: 12px;
}

.teacher-create-card h3 {
    margin: 0 0 6px;
}

.teacher-create-card p {
    margin: 0 0 10px;
    color: var(--ink-soft);
}

.teacher-create-form {
    display: grid;
    gap: 10px;
}

.builder-ai-panel {
    display: grid;
    gap: 12px;
    padding: 16px;
    border: 1px solid #d8e3da;
    border-radius: 16px;
    background: linear-gradient(180deg, #f5fbf7 0%, #eef8f3 100%);
}

.builder-ai-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
}

.builder-ai-head h3 {
    margin: 0;
    font-size: 1rem;
}

.builder-ai-head p {
    margin: 4px 0 0;
    color: var(--ink-soft);
}

.builder-ai-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.teacher-create-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
}

.teacher-create-form input,
.teacher-create-form textarea,
.teacher-create-form select {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 10px 12px;
    font: inherit;
    background: #fff;
}

.teacher-create-form textarea {
    resize: vertical;
    min-height: 160px;
}

#builder-ai-prompt {
    min-height: 120px;
}

.builder-questions {
    display: grid;
    gap: 12px;
}

.builder-question-card {
    border: 1px solid var(--line);
    border-radius: 16px;
    background: #fff;
    padding: 14px;
    display: grid;
    gap: 10px;
    box-shadow: 0 8px 20px rgba(31, 38, 51, 0.05);
}

.builder-question-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 2px;
}

.builder-question-head h4 {
    margin: 0;
}

.builder-remove-question {
    background: #fde7e5;
    color: #9f2f25;
    border: 1px solid #f2b8b2;
    width: 40px;
    height: 40px;
    border-radius: 8px;
    padding: 0;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.builder-remove-question svg {
    width: 18px;
    height: 18px;
}

.builder-remove-question:hover {
    background: #fbd8d5;
}

.builder-question-meta-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

.builder-field-label {
    display: grid;
    gap: 6px;
    font-size: 0.88rem;
    color: var(--ink-soft);
    font-weight: 700;
}

.builder-checkbox-field {
    align-content: start;
}

.builder-checkbox-row {
    display: flex;
    align-items: center;
    gap: 10px;
    min-height: 44px;
    padding: 10px 12px;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: #fff;
    color: var(--ink);
    font-weight: 600;
}

.builder-checkbox-row input {
    width: auto;
    margin: 0;
}

.review-card p {
    margin: 0;
}

.review-question-title {
    margin: 2px 0 0;
    font-size: 1.08rem;
    line-height: 1.35;
}

.review-options-block {
    display: grid;
    gap: 8px;
    margin-top: 2px;
}

.review-options-title {
    font-size: 0.82rem;
    font-weight: 800;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    color: #6f6454;
}

.review-options-list {
    margin: 10px 0 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 6px;
}

.review-option-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
    padding: 8px 10px;
    border: 1px solid #e6dcc8;
    border-radius: 10px;
    background: #fffdfa;
}

.review-option-main {
    display: inline-flex;
    align-items: flex-start;
    gap: 8px;
    min-width: 0;
}

.review-option-code {
    min-width: 24px;
    color: #706253;
    font-weight: 800;
}

.review-option-item.is-selected {
    border-color: #cfbe9f;
    background: #fcf7ec;
}

.review-option-item.is-correct {
    border-color: #9dc8b0;
    background: #f3faf6;
}

.review-option-item.is-selected.is-correct {
    border-color: #7fb79a;
    background: #edf8f2;
}

.review-option-label {
    color: var(--ink);
    line-height: 1.35;
}

.review-explanation-block {
    display: grid;
    gap: 6px;
    margin-top: 4px;
}

.review-question-explanation {
    color: #786c5d;
    line-height: 1.45;
}

.review-option-badges {
    display: inline-flex;
    gap: 6px;
    flex-wrap: wrap;
}

.review-option-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 999px;
    font-size: 0.74rem;
    font-weight: 700;
}

.review-option-badge.badge-selected {
    background: #f6ebd4;
    color: #765118;
}

.review-option-badge.badge-correct {
    background: #dff2e7;
    color: #1f6a4b;
}

.review-options-empty {
    color: var(--ink-soft);
}

@media (max-width: 760px) {
    .builder-ai-head {
        flex-direction: column;
    }

    .builder-ai-head .btn {
        width: 100%;
    }

    .builder-ai-grid {
        grid-template-columns: 1fr;
    }

    .review-option-item {
        align-items: flex-start;
        flex-direction: column;
    }
}

.review-card-correct {
    border-color: #bfd8c8;
    background: #f6fbf8;
}

.review-card-wrong {
    border-color: #efcbc4;
    background: #fff7f5;
}

.review-card-blank {
    border-color: #d8d2c7;
    background: #fbf9f5;
}

.builder-question-timer,
#builder-duration {
    border: 1px solid #cfbe9f;
    background: linear-gradient(180deg, #fffdf8 0%, #f7efe0 100%);
    color: var(--ink);
    font-weight: 700;
}

.builder-question-timer:focus,
#builder-duration:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(31, 122, 106, 0.14);
}

.builder-options {
    display: grid;
    gap: 10px;
}

.builder-option-row {
    display: grid;
    grid-template-columns: auto 1fr 44px;
    align-items: center;
    gap: 10px;
    padding: 8px;
    border: 1px solid #eadfc8;
    border-radius: 10px;
    background: #fffdf8;
}

.builder-question-explanation {
    min-height: 96px;
}

.builder-option-row label {
    color: var(--ink-soft);
    font-size: 0.9rem;
}

.builder-correct-toggle {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    min-width: 76px;
}

.builder-correct-toggle input {
    margin: 0;
}

.builder-remove-option {
    width: 36px;
    height: 36px;
    padding: 0;
    border-radius: 8px;
    cursor: pointer;
    background: #f3ead7;
    color: var(--ink);
    border: 1px solid #ddd4be;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.builder-remove-option svg {
    width: 16px;
    height: 16px;
}

.builder-remove-option:hover {
    background: #ead5b5;
}

.builder-add-option {
    justify-self: start;
}

.btn-circle-add {
    width: 44px;
    height: 44px;
    min-width: 44px;
    border-radius: 999px;
    border: 1px solid #b9d6cc;
    background: #ecf7f2;
    color: #176451;
    font-size: 1.6rem;
    line-height: 1;
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-circle-add:hover {
    background: #dff1e9;
}

.quiz-card-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.quiz-card-actions>.btn {
    width: 128px;
    min-height: 38px;
    max-height: 38px;
    height: 38px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    white-space: nowrap;
}

.quiz-card-actions .btn-sm {
    padding: 7px 10px;
    font-size: 0.82rem;
    border-radius: 10px;
}

.quiz-card-actions button[data-quiz],
.quiz-card-actions button[data-quick-review],
.quiz-card-actions button[data-summary-blocked] {
    background: linear-gradient(160deg, var(--accent), var(--accent-strong));
    color: #fff;
    box-shadow: 0 10px 24px rgba(20, 81, 69, 0.32);
}

.quiz-card-actions button[data-quiz]:hover,
.quiz-card-actions button[data-quick-review]:hover,
.quiz-card-actions button[data-summary-blocked]:hover {
    transform: translateY(-1px);
}

.quiz-card-actions button[data-summary-blocked] {
    opacity: 0.62;
}

.quiz-card-actions button[data-summary-blocked]:hover {
    transform: none;
    opacity: 0.78;
}

.quiz-review-note {
    margin: 2px 0 0;
    color: #7a6144;
    font-size: 0.85rem;
    font-weight: 700;
}

.quiz-visibility-note {
    margin: 2px 0 0;
    color: #5e513e;
    font-size: 0.86rem;
    padding: 9px 11px;
    border: 1px solid #e4d9c4;
    border-radius: 10px;
    background: #fdf9ef;
    display: flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
    overflow-x: auto;
    overflow-y: hidden;
    scrollbar-width: thin;
}

.quiz-visibility-note strong {
    flex: 0 0 auto;
}

.quiz-access-list {
    display: inline-flex;
    flex-wrap: nowrap;
    gap: 6px;
    margin-left: 0;
    vertical-align: middle;
    flex: 0 0 auto;
}

.quiz-access-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    border-radius: 999px;
    padding: 3px 8px;
    font-size: 0.8rem;
    font-weight: 700;
}

.quiz-access-chip.is-active {
    border: 1px solid #dbcba8;
    background: #fff7e3;
    color: #4d3f2d;
}

.quiz-access-chip.is-inactive {
    border: 1px solid #c8dbc8;
    background: #eef8ee;
    color: #2f5736;
}

.quiz-access-chip-action {
    border: 0;
    border-radius: 999px;
    width: 18px;
    height: 18px;
    line-height: 18px;
    font-size: 0.75rem;
    font-weight: 800;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    padding: 0;
}

.quiz-access-chip-action.is-remove {
    background: #f5d7d1;
    color: #8f2c21;
}

.quiz-access-chip-action.is-remove:hover {
    background: #efc3bb;
}

.quiz-access-chip-action.is-add {
    background: #d6ebd7;
    color: #1c5f2a;
}

.quiz-access-chip-action.is-add:hover {
    background: #c1dfc4;
}

.quiz-post-tools {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
}

.quiz-post-tools select {
    flex: 1 1 210px;
    min-height: 38px;
    padding: 8px 10px;
    border-radius: 10px;
}

.quiz-post-tools .btn {
    margin-top: 0;
    min-height: 38px;
}

.result-blocked-note {
    margin: 18px 0 0;
    color: #7a6144;
    font-size: 0.9rem;
    font-weight: 700;
}

.btn-danger-soft {
    background: #fde7e5;
    color: #9f2f25;
    border: 1px solid #f2b8b2;
}

.btn-danger-soft:hover {
    background: #fbd8d5;
}

.teacher-user-card {
    border: 1px solid var(--line);
    border-radius: 18px;
    padding: 18px;
    background: #fffdfa;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

.teacher-student-head {
    display: grid;
    gap: 6px;
    margin-bottom: 14px;
}

.teacher-user-card h3 {
    margin: 0;
    font-size: 1.05rem;
}

.teacher-student-meta {
    margin: 0;
    color: var(--ink-soft);
    line-height: 1.45;
}

.teacher-table-wrap {
    overflow-x: auto;
    border: 1px solid rgba(228, 215, 188, 0.9);
    border-radius: 14px;
    background: #fff;
}

.teacher-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 0;
    table-layout: auto;
}

.teacher-table th,
.teacher-table td {
    border-bottom: 1px solid var(--line);
    padding: 11px 10px;
    text-align: left;
    font-size: 0.88rem;
    vertical-align: top;
}

.teacher-table th {
    color: var(--ink-soft);
    font-weight: 700;
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background: #fbf5e8;
}

.teacher-table tbody tr:last-child td {
    border-bottom: 0;
}

.teacher-col-quiz,
.teacher-cell-quiz {
    width: 20%;
    font-weight: 800;
}

.teacher-col-score,
.teacher-cell-score {
    width: 9%;
    text-align: center;
    white-space: nowrap;
}

.teacher-col-percent,
.teacher-cell-percent {
    width: 7%;
    text-align: center;
    white-space: nowrap;
}

.teacher-col-status,
.teacher-status-cell {
    width: 28%;
}

.teacher-col-date,
.teacher-cell-date {
    width: 14%;
    white-space: normal;
}

.teacher-col-actions,
.teacher-cell-actions {
    width: 22%;
}

.teacher-status-cell {
    min-width: 240px;
}

.teacher-status-stack {
    display: grid;
    gap: 8px;
    align-content: center;
}

.teacher-status-note {
    display: block;
    color: var(--ink-soft);
    line-height: 1.45;
    font-size: 0.83rem;
    padding: 9px 11px;
    border-radius: 12px;
    border: 1px solid transparent;
}

.teacher-status-note-muted {
    background: #f8f1e3;
    border-color: #ead5ae;
}

.teacher-status-note-danger {
    background: #fdeceb;
    border-color: #efc0bc;
    color: #8b2b22;
}

.teacher-cell-actions {
    text-align: left;
}

.teacher-row-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
}

.teacher-row-actions .btn {
    flex: 1 1 96px;
    min-width: 96px;
    padding: 9px 11px;
    text-align: center;
    white-space: nowrap;
}

.btn {
    border: 0;
    border-radius: 12px;
    padding: 12px 16px;
    font: inherit;
    font-weight: 700;
    cursor: pointer;
    transition: transform 150ms ease, box-shadow 150ms ease, background-color 150ms ease;
}

.btn:active {
    transform: translateY(1px);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-start-blocked {
    opacity: 0.6;
    cursor: pointer;
}

.btn-start-blocked:hover {
    transform: none;
    opacity: 0.75;
}

.btn-summary-blocked {
    opacity: 0.6;
    cursor: pointer;
}

.btn-summary-blocked:hover {
    transform: none;
    opacity: 0.75;
}

.btn-primary {
    background: linear-gradient(160deg, var(--accent), var(--accent-strong));
    color: #fff;
    box-shadow: 0 10px 24px rgba(20, 81, 69, 0.32);
}

.btn-primary:hover {
    transform: translateY(-1px);
}

.btn-ghost {
    background: #f3ead7;
    color: var(--ink);
}

/* disabled gray review button style */
.btn-disabled-gray {
    background: #efefef;
    color: #6b6b6b;
    border: 1px solid #e3e3e3;
    cursor: pointer;
    opacity: 0.95;
    padding: 10px 14px;
    border-radius: 10px;
    font-weight: 700;
}

.btn-google {
    background: #fff;
    color: #2f2f2f;
    border: 1px solid #d7d7d7;
    min-width: 240px;
    margin-top: 14px;
    display: inline-flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
}

.btn-google img {
    width: 20px;
    height: 20px;
}

.hidden {
    display: none !important;
}

.app-bottom-notice {
    position: fixed;
    right: 16px;
    bottom: 16px;
    z-index: 1200;
    max-width: min(92vw, 460px);
    padding: 10px 14px;
    border-radius: 12px;
    border: 1px solid transparent;
    box-shadow: 0 10px 24px rgba(31, 38, 51, 0.22);
    font-size: 0.9rem;
    font-weight: 700;
    line-height: 1.35;
    animation: notice-rise-in 200ms ease both;
}

.app-bottom-notice.is-info {
    background: #f5f0e2;
    color: #5a4b34;
    border-color: #dccca8;
}

.app-bottom-notice.is-success {
    background: #e8f6ee;
    color: #1f6443;
    border-color: #b8dec7;
}

.app-bottom-notice.is-error {
    background: #fdeceb;
    color: #8b2b22;
    border-color: #efc0bc;
}

.focus-wait-persistent-notice {
    position: fixed;
    left: 16px;
    right: 16px;
    top: 12px;
    z-index: 1250;
    max-width: min(980px, calc(100vw - 32px));
    margin: 0 auto;
    background: #fff6de;
    border: 1px solid #e7c87e;
    color: #6b4709;
    border-radius: 12px;
    padding: 10px 14px;
    box-shadow: 0 10px 24px rgba(31, 38, 51, 0.2);
    font-size: 0.9rem;
    line-height: 1.35;
    display: flex;
    align-items: center;
    gap: 8px;
}

.focus-wait-persistent-notice strong {
    font-weight: 800;
    white-space: nowrap;
}

@media (max-width: 700px) {
    .focus-wait-persistent-notice {
        top: 8px;
        left: 8px;
        right: 8px;
        max-width: calc(100vw - 16px);
        padding: 9px 11px;
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
    }

    .focus-wait-persistent-notice strong {
        white-space: normal;
    }
}

.bg-shape {
    position: fixed;
    border-radius: 999px;
    pointer-events: none;
    opacity: 0.3;
}

.bg-shape-1 {
    width: 260px;
    height: 260px;
    background: #f5c878;
    right: 2%;
    top: 4%;
}

.bg-shape-2 {
    width: 300px;
    height: 300px;
    background: #acd0bf;
    left: -4%;
    bottom: -5%;
}

@keyframes rise-in {
    from {
        opacity: 0;
        transform: translateY(8px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 900px) {
    .quiz-grid {
        grid-template-columns: 1fr;
    }

    .stats-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .app-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .header-actions {
        width: 100%;
        justify-content: flex-start;
        overflow-x: visible;
        gap: 8px;
    }
}

@media (max-width: 560px) {
    body {
        padding: 12px;
    }

    .app-shell {
        width: 100%;
        max-width: 100%;
    }

    .app-header {
        padding: 16px;
    }

    .header-actions {
        max-width: 100%;
        overflow-x: visible;
        flex-wrap: wrap;
        gap: 8px;
        justify-content: flex-start;
    }

    .header-actions .btn,
    .header-actions .user-chip {
        max-width: 100%;
    }

    #home-screen .card {
        padding: 18px;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .teacher-create-grid {
        grid-template-columns: 1fr;
    }

    .teacher-classroom-manage-card {
        flex-direction: column;
        align-items: stretch;
    }

    .teacher-classroom-manage-actions {
        width: 100%;
    }

    .teacher-classroom-manage-actions .btn {
        width: 100%;
    }

    .builder-question-meta-grid {
        grid-template-columns: 1fr;
    }

    .builder-option-row {
        grid-template-columns: 1fr;
        align-items: stretch;
    }

    .builder-correct-toggle {
        min-width: 0;
    }

    .builder-remove-option,
    .builder-remove-question {
        width: 100%;
        height: 42px;
    }

    .quiz-card-actions .btn {
        width: 100%;
    }

    .quiz-card-actions {
        gap: 10px;
    }

    .quiz-card-actions button[data-quiz],
    .quiz-card-actions button[data-quick-review],
    .quiz-card-actions button[data-summary-blocked] {
        width: 100%;
        min-height: 42px;
        height: 42px;
        max-height: 42px;
        font-size: 0.9rem;
    }

    .quiz-card-manage-actions {
        display: grid;
        grid-template-columns: 1fr;
    }

    .quiz-card-manage-actions .btn {
        width: 100%;
    }

    .quiz-post-tools {
        display: grid;
        grid-template-columns: 1fr;
    }

    .quiz-post-tools select,
    .quiz-post-tools .btn {
        width: 100%;
    }

    .quiz-head,
    .quiz-actions,
    .result-actions,
    .teacher-head {
        flex-direction: column;
        align-items: stretch;
    }

    #result-screen {
        gap: 10px;
    }

    #result-quiz-title {
        font-size: 0.95rem;
        padding: 10px 12px;
    }

    #result-details {
        padding: 10px 12px;
    }

    #result-screen .result-actions .btn {
        width: 100%;
    }

    .quiz-card .btn,
    .btn-google {
        width: 100%;
        min-width: 100%;
    }

    .teacher-user-card {
        padding: 14px;
    }

    .teacher-row-actions {
        display: grid;
        grid-template-columns: 1fr;
    }

    .teacher-row-actions .btn {
        width: 100%;
        min-width: 0;
    }

    .teacher-cell-date {
        white-space: normal;
    }

    .app-bottom-notice {
        right: 10px;
        left: 10px;
        bottom: 10px;
        max-width: none;
    }
}

@media (max-width: 760px) {
    .teacher-table-wrap {
        overflow-x: visible;
        border: 0;
        background: transparent;
    }

    .teacher-table {
        min-width: 0;
        width: 100%;
        display: block;
    }

    .teacher-table thead {
        display: none;
    }

    .teacher-table tbody {
        display: grid;
        gap: 12px;
    }

    .teacher-table tbody tr {
        display: grid;
        gap: 12px;
        padding: 14px;
        border: 1px solid var(--line);
        border-radius: 12px;
        background: #fff;
    }

    .teacher-table td {
        border: 0;
        padding: 0;
        display: grid;
        grid-template-columns: minmax(0, 1fr);
        gap: 4px;
        align-items: start;
        width: 100%;
        min-width: 0;
        text-align: left;
    }

    .teacher-cell-quiz,
    .teacher-cell-score,
    .teacher-cell-percent,
    .teacher-status-cell,
    .teacher-cell-date,
    .teacher-cell-actions,
    .teacher-col-quiz,
    .teacher-col-score,
    .teacher-col-percent,
    .teacher-col-status,
    .teacher-col-date,
    .teacher-col-actions {
        width: 100%;
        min-width: 0;
        text-align: left;
    }

    .teacher-table td::before {
        font-size: 0.74rem;
        text-transform: uppercase;
        letter-spacing: 0.03em;
        color: var(--ink-soft);
        font-weight: 800;
        line-height: 1.2;
        content: "";
    }

    .teacher-table td:nth-child(1)::before {
        content: "Quiz";
    }

    .teacher-table td:nth-child(2)::before {
        content: "Nota";
    }

    .teacher-table td:nth-child(3)::before {
        content: "%";
    }

    .teacher-table td:nth-child(4)::before {
        content: "Status";
    }

    .teacher-table td:nth-child(5)::before {
        content: "Data";
    }

    .teacher-table td:nth-child(6)::before {
        content: "Acoes";
    }

    .teacher-status-cell {
        min-width: 0;
    }

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

    .teacher-row-actions .btn {
        width: 100%;
        min-width: 0;
        min-height: 42px;
    }
}

.result-retake-note {
    margin: 14px 0 0;
    color: #1a6347;
    font-size: 0.9rem;
    font-weight: 700;
    background: #e6f4ee;
    border-radius: 8px;
    padding: 10px 14px;
}

/* ── Relatório de Turma ─────────────────────────────────────────────────── */

.classroom-report-modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 1000;
    background: rgba(0, 0, 0, 0.45);
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: 32px 16px;
    overflow-y: auto;
}

.classroom-report-card {
    background: var(--surface, var(--card));
    border-radius: 20px;
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.18);
    padding: 22px 22px 24px;
    width: 100%;
    max-width: 760px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.classroom-report-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.classroom-report-header h3 {
    margin: 0;
    font-size: 1.15rem;
    font-weight: 800;
}

.classroom-report-quiz-select-area {
    display: flex;
    align-items: flex-end;
    gap: 10px;
}

.classroom-report-quiz-select-area>label {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--ink-soft);
}

.cr-refresh-btn {
    flex-shrink: 0;
    white-space: nowrap;
}

.wait-nonogram {
    margin-top: 14px;
    border: 1px solid #d7d9de;
    background: #f8f9fb;
    border-radius: 14px;
    padding: 14px;
    display: grid;
    gap: 12px;
}

.wait-nonogram-head h3 {
    margin: 0;
    font-family: "Sora", sans-serif;
    font-size: 1rem;
}

.wait-nonogram-head p {
    margin: 6px 0 0;
    color: #4e5563;
    font-size: 0.9rem;
}

.wait-nonogram-metrics {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    color: #2d3442;
    font-size: 0.86rem;
    background: #eef2f8;
    border: 1px solid #d5dce8;
    border-radius: 10px;
    padding: 8px 10px;
}

.wait-nonogram-help {
    border: 1px solid #d5dce8;
    background: #f1f5fb;
    border-radius: 10px;
    padding: 8px 10px;
}

.wait-nonogram-help summary {
    cursor: pointer;
    font-weight: 700;
    color: #2f3f5a;
}

.wait-nonogram-help ol {
    margin: 8px 0 0;
    padding-left: 18px;
    color: #4a5568;
    font-size: 0.83rem;
    display: grid;
    gap: 4px;
}

.wait-nonogram-col-clues {
    margin-left: 132px;
    display: grid;
    grid-template-columns: repeat(8, minmax(0, 32px));
    gap: 4px;
    color: #444b58;
    font-size: 0.74rem;
    text-align: center;
}

.wait-nonogram-col-clue {
    min-height: 44px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-end;
    gap: 2px;
    font-weight: 700;
    line-height: 1;
}

.wait-nonogram-col-clue span {
    display: block;
}

.wait-nonogram-board {
    display: grid;
    gap: 2px;
}

.wait-nonogram-row {
    display: grid;
    grid-template-columns: 130px repeat(8, minmax(0, 32px));
    gap: 4px;
    align-items: center;
}

.wait-nonogram-row-clue {
    color: #444b58;
    font-size: 0.76rem;
    text-align: right;
    padding-right: 8px;
    min-height: 32px;
    display: flex;
    align-items: center;
    justify-content: flex-end;
}

.wait-nonogram-cell {
    width: 32px;
    height: 32px;
    border: 1px solid #cad0db;
    background: #ffffff;
    color: #70798a;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 800;
    text-transform: uppercase;
}

.wait-nonogram-cell.is-filled {
    background: #20242d;
    border-color: #20242d;
}

.wait-nonogram-cell.is-crossed {
    background: #eceff4;
    border-color: #c9ced8;
}

.wait-nonogram-cell.is-revealed {
    background: #dfe7f6;
    border-color: #9fb0d1;
    color: #4c5f85;
}

.wait-nonogram-status {
    margin: 0;
    font-size: 0.82rem;
    color: #4b5566;
    background: #eef2f8;
    border-radius: 8px;
    padding: 7px 9px;
}

.wait-nonogram-actions {
    display: flex;
    gap: 8px;
}

.wait-nonogram-leaderboard-wrap h4 {
    margin: 0;
    font-family: "Sora", sans-serif;
    font-size: 0.9rem;
}

.wait-nonogram-leaderboard {
    margin: 8px 0 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 4px;
}

.wait-nonogram-leader-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 6px 8px;
    border-radius: 8px;
    background: #eef2f8;
    color: #353d4c;
    font-size: 0.82rem;
}

.wait-nonogram-leader-item.is-self {
    background: #dfe9ff;
    border: 1px solid #a9c4ff;
}

.wait-nonogram-leader-empty {
    padding: 8px;
    color: #586074;
    font-size: 0.82rem;
    background: #eef2f8;
    border-radius: 8px;
}

.wait-nonogram-creator {
    border: 1px solid #d5dce8;
    border-radius: 10px;
    background: #f2f5fb;
    padding: 10px;
    display: grid;
    gap: 8px;
}

.wait-nonogram-creator h4 {
    margin: 0;
    font-family: "Sora", sans-serif;
    font-size: 0.9rem;
}

.wait-nonogram-creator p {
    margin: 0;
    color: #4e5b72;
    font-size: 0.82rem;
}

#wait-nonogram-creator-name {
    border: 1px solid #c4cedd;
    border-radius: 8px;
    padding: 8px 10px;
    font-size: 0.85rem;
    background: #ffffff;
}

.wait-nonogram-creator-grid {
    display: grid;
    grid-template-columns: repeat(8, 24px);
    gap: 4px;
}

.wait-nonogram-creator-cell {
    width: 24px;
    height: 24px;
    border: 1px solid #b8c3d8;
    border-radius: 4px;
    background: #ffffff;
    cursor: pointer;
}

.wait-nonogram-creator-cell.is-on {
    background: #1f2734;
    border-color: #1f2734;
}

.wait-nonogram-creator-msg {
    min-height: 18px;
    font-size: 0.8rem;
}

.wait-nonogram-creator-msg.is-success {
    color: #1f6b42;
}

.wait-nonogram-creator-msg.is-error {
    color: #9a2b2b;
}

.home-nonogram-editor-card {
    width: min(640px, 92vw);
    max-height: 84vh;
    overflow-y: auto;
}

.home-nonogram-editor-field {
    display: grid;
    gap: 6px;
    color: #4f5d76;
    font-size: 0.84rem;
    font-weight: 700;
}

.home-nonogram-editor-field input,
.home-nonogram-editor-field select {
    border: 1px solid #c4cedd;
    border-radius: 8px;
    padding: 8px 10px;
    font-size: 0.86rem;
    background: #ffffff;
}

@media (max-width: 720px) {
    .wait-nonogram-col-clues {
        margin-left: 84px;
        grid-template-columns: repeat(8, minmax(0, 24px));
        font-size: 0.65rem;
        gap: 3px;
    }

    .wait-nonogram-row {
        grid-template-columns: 82px repeat(8, minmax(0, 24px));
        gap: 3px;
    }

    .wait-nonogram-row-clue {
        min-height: 24px;
        font-size: 0.67rem;
    }

    .wait-nonogram-help ol {
        font-size: 0.78rem;
        padding-left: 16px;
    }

    .wait-nonogram-cell {
        width: 24px;
        height: 24px;
        border-radius: 4px;
        font-size: 0.72rem;
    }

    .wait-nonogram-creator-grid {
        grid-template-columns: repeat(8, 20px);
        gap: 3px;
    }

    .wait-nonogram-creator-cell {
        width: 20px;
        height: 20px;
    }

    .home-nonogram-editor-card {
        width: min(680px, 96vw);
    }
}

.classroom-report-loading {
    padding: 12px 0;
    color: var(--ink-soft);
    font-size: 0.95rem;
}

.classroom-report-body {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.cr-topline {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
    padding: 2px 2px 0;
}

.cr-quiz-title {
    margin: 0;
    font-size: 1rem;
    color: var(--ink-soft);
}

.cr-updated-at {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-weight: 700;
    color: #4d7c6a;
    background: #e8f4ec;
    border: 1px solid #cfe6d7;
    border-radius: 999px;
    padding: 4px 10px;
}

.cr-summary-block {
    background: #fbf8f2;
    border: 1px solid #e7dcc8;
    border-radius: 12px;
    padding: 12px;
}

/* Cards de estatísticas */
.cr-stat-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
}

.cr-stat-card {
    background: #fffdfa;
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 10px 12px;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.cr-stat-card-highlight {
    background: #e8f4ec;
    border-color: #b8d9c2;
}

.cr-stat-label {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--ink-soft);
}

.cr-stat-value {
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--ink);
    line-height: 1;
}

/* Seções internas */
.cr-section {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.cr-section-panel {
    background: #fbf8f2;
    border: 1px solid #e7dcc8;
    border-radius: 12px;
    padding: 12px;
}

.cr-section-title {
    margin: 0;
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--ink-soft);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

/* Barras de distribuição por faixa */
.cr-bar-row {
    display: grid;
    grid-template-columns: 56px 1fr 42px 50px;
    align-items: center;
    gap: 8px;
}

.cr-bar-label {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--ink-soft);
    text-align: right;
}

.cr-bar-track {
    background: #e5dfd3;
    border-radius: 6px;
    height: 9px;
    overflow: hidden;
}

.cr-bar-fill {
    height: 100%;
    background: #8bb89a;
    border-radius: 6px;
    transition: width 0.4s ease;
    min-width: 0;
}

.cr-bar-pct {
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--ink);
    text-align: right;
}

.cr-bar-count {
    font-size: 0.78rem;
    color: var(--ink-soft);
}

/* Questões */
.cr-questions-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.cr-question-row {
    display: flex;
    flex-direction: column;
    gap: 6px;
    background: #fffdfa;
    border: 1px solid #e7dcc8;
    border-radius: 10px;
    padding: 10px 12px;
}

.cr-question-header {
    display: flex;
    align-items: center;
    gap: 8px;
}

.cr-question-header .cr-question-bars {
    flex: 1;
    min-width: 60px;
}

.cr-question-info {
    display: flex;
    align-items: baseline;
    gap: 8px;
    min-width: 0;
}

.cr-question-num {
    font-size: 0.72rem;
    font-weight: 800;
    color: #445164;
    white-space: nowrap;
    flex-shrink: 0;
    background: #eef1f5;
    border: 1px solid #d8dee8;
    border-radius: 999px;
    padding: 2px 8px;
}

.cr-question-title {
    font-size: 0.86rem;
    color: var(--ink);
    margin: 0;
    line-height: 1.35;
    text-align: left !important;
    width: 100%;
}

.cr-alternatives-list {
    list-style: none;
    margin: 2px 0 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.cr-alt {
    font-size: 0.82rem;
    color: var(--ink-soft);
    padding: 3px 8px;
    border-radius: 6px;
    line-height: 1.35;
}

.cr-alt-correct {
    background: #e2f0e8;
    color: #2d6a47;
    font-weight: 700;
}

.cr-alt-check {
    font-size: 0.8rem;
    margin-left: 3px;
}

.cr-question-bars {
    display: flex;
    height: 7px;
    border-radius: 6px;
    overflow: hidden;
    background: #e5dfd3;
}

.cr-qbar {
    height: 100%;
    min-width: 0;
    transition: width 0.4s ease;
}

.cr-qbar-correct {
    background: #7db890;
}

.cr-qbar-wrong {
    background: #e08278;
}

.cr-question-pcts {
    display: flex;
    flex-direction: column;
    gap: 0;
    text-align: right;
}

.cr-pct-correct {
    font-size: 0.76rem;
    font-weight: 700;
    color: #3a7a50;
}

.cr-pct-wrong {
    font-size: 0.76rem;
    font-weight: 700;
    color: #9b3127;
}

.cr-empty {
    margin: 0;
    color: var(--ink-soft);
    font-size: 0.86rem;
    padding: 9px 12px;
    background: #f8f4eb;
    border: 1px dashed var(--line);
    border-radius: 10px;
}

/* Botão de relatório ao lado do título da turma */
.teacher-classroom-section-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 10px;
}

.teacher-classroom-section-head h3 {
    margin: 0;
}

.teacher-classroom-filter-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 10px;
}

.teacher-classroom-filter-chip {
    display: inline-flex;
    align-items: center;
    min-height: 32px;
    padding: 6px 12px;
    border-radius: 999px;
    border: 1px solid #b9d6cc;
    background: #edf7f3;
    color: #1d5d4d;
    font-size: 0.92rem;
    font-weight: 800;
}

.teacher-classroom-filter-chip-btn {
    cursor: pointer;
    gap: 8px;
    background: #edf7f3;
}

.teacher-classroom-chip-name {
    font-size: 0.98rem;
    font-weight: 800;
}

.teacher-classroom-chip-caret {
    font-size: 0.88rem;
    line-height: 1;
    color: #1d5d4d;
}

.teacher-student-search-input {
    width: min(220px, 46vw);
    min-width: 140px;
    max-width: 240px;
    border: 1px solid #d8cab0;
    border-radius: 10px;
    padding: 7px 10px;
    font: inherit;
    font-size: 0.84rem;
    background: #fff;
}

.teacher-student-search-input:focus {
    border-color: var(--accent);
    outline: 2px solid rgba(31, 122, 106, 0.18);
}

.teacher-classroom-options {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 10px;
    border: 1px solid #e4d7bc;
    border-radius: 12px;
    background: #fffcf5;
    margin-bottom: 12px;
}

.teacher-classroom-option-btn.is-selected {
    background: #e6f3ed;
    border: 1px solid #a8d0bf;
    color: #1d5d4d;
}

/* Image upload field in builder */
.builder-image-field {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: 10px;
}

.builder-image-upload {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.builder-image-input {
    padding: 8px;
    border: 1px solid var(--line);
    border-radius: 8px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: border-color 0.15s;
}

.builder-image-input:hover {
    border-color: #8bb89a;
}

.builder-image-preview {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 60px;
}

.builder-image-preview img {
    max-width: 100%;
    max-height: 150px;
    border-radius: 8px;
    object-fit: contain;
}

@media (max-width: 600px) {
    .classroom-report-card {
        padding: 18px 14px 16px;
        gap: 12px;
    }

    .classroom-report-quiz-select-area {
        flex-direction: column;
        align-items: stretch;
    }

    .cr-refresh-btn {
        width: 100%;
    }

    .cr-topline {
        flex-direction: column;
        align-items: flex-start;
        gap: 6px;
    }

    .cr-stat-row {
        grid-template-columns: repeat(2, 1fr);
    }

    .cr-question-row {
        gap: 8px;
    }

    .cr-bar-row {
        grid-template-columns: 48px 1fr 38px;
    }

    .cr-bar-count {
        display: none;
    }
}

@keyframes notice-rise-in {
    from {
        opacity: 0;
        transform: translateY(8px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}