.ui-button {
    color: var(--text-accent);
    border: 1px solid currentColor;
    border-radius: 4px;
    background-color: transparent;
    padding: 10px 16px;
    font: 600 12px var(--type-ui);
    letter-spacing: .04em;
    text-transform: uppercase;
    cursor: pointer;
    transition:
        color .15s ease,
        background-color .15s ease,
        border-color .15s ease,
        opacity .15s ease;
}

.ui-button:not(:disabled):hover {
    color: var(--text-on-primary);
    background-color: var(--navy-strong);
}

.ui-button.main-action {
    color: var(--text-on-primary);
    background-color: var(--navy-strong);
    border-color: var(--navy-strong);
}

.ui-button.main-action:not(:disabled):hover {
    background-color: var(--navy-deep);
}

.ui-button.quiet-action {
    color: var(--text-muted);
    background-color: transparent;
    border-color: var(--line);
}

.ui-button.quiet-action:not(:disabled):hover {
    color: var(--text-main);
    background-color: transparent;
    border-color: var(--signal);
}

.ui-button:disabled {
    opacity: 35%;
    cursor: not-allowed;
}

.full { width: 100%; }
.mini { padding: 7px 10px; font-size: 10.5px; }
.danger { color: var(--danger) !important; border-color: var(--danger) !important; }
.nav-btn, .icon-btn {
    padding: 8px 10px;
    color: var(--text-on-primary);
    background: transparent;
    border: 1px solid transparent;
    border-radius: 4px;
    font: 11px var(--type-ui);
    letter-spacing: .03em;
    text-transform: uppercase;
    cursor: pointer;
}
.nav-btn.active, .nav-btn:hover, .icon-btn:hover { border-color: rgba(201,191,138,.35); background: rgba(255,255,255,.06); }
.panel, .question-card, .result-card {
    position: relative;
    padding: 26px;
    background: var(--panel-surface);
    border: 1px solid var(--line);
    border-radius: 6px;
    box-shadow: var(--card-shadow);
}
.panel::before, .question-card::before {
    content: "";
    position: absolute;
    left: 0;
    top: 18px;
    bottom: 18px;
    width: 4px;
    background: var(--signal);
    border-radius: 0 3px 3px 0;
}
.panel { margin-top: 20px; }
.panel-head, .section-title, .history-item { display: flex; justify-content: space-between; gap: 12px; }
.panel-head { align-items: center; }
.section-title { margin-bottom: 15px; }
.section-title h2 { margin: 0; font: 800 28px var(--type-heading); color: var(--text-accent); }
.section-kicker { color: var(--signal); font: 600 11px var(--type-ui); letter-spacing: .18em; text-transform: uppercase; }
.auth-tabs, .admin-tabs, .data-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.auth-tabs, .admin-tabs { margin: 0 0 18px; }
.auth-tab { flex: 1; padding: 9px; color: var(--text-muted); background: var(--canvas-soft); border: 1px solid var(--line); border-radius: 4px; font: 600 11px var(--type-ui); text-transform: uppercase; cursor: pointer; }
.auth-tab.active { color: var(--text-on-primary); background: var(--navy-strong); border-color: var(--navy-strong); }
.admin-tab.active { color: var(--text-on-primary); background: var(--navy-strong); border-color: var(--signal); }
.toast { position: fixed; right: 20px; bottom: 20px; z-index: 99; padding: 12px 16px; color: var(--text-on-primary); background: var(--navy-strong); border: 1px solid var(--signal); border-radius: 4px; font: 12px var(--type-ui); opacity: 0; transform: translateY(10px); transition: .2s; }
.toast.show { opacity: 1; transform: none; }

/* Exclusão definitiva de disciplina */
.ui-button.danger-fill {
    color: #fff;
    background: var(--danger);
    border-color: var(--danger);
}

.ui-button.danger-fill:hover {
    filter: brightness(0.92);
    transform: translateY(-1px);
}

.catalog-discipline-title {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
}

.catalog-discipline-title small {
    color: var(--muted-text);
    font-family: var(--font-mono, monospace);
    font-size: 0.72rem;
    overflow-wrap: anywhere;
}


/* Exclusão geral de disciplinas */
.catalog-admin-heading {
    align-items: flex-start;
    gap: 16px;
}

.danger-zone-note {
    margin: 0 0 18px;
    padding: 12px 14px;
    border: 1px solid rgba(180, 35, 35, 0.34);
    border-left: 4px solid var(--danger, #b42323);
    border-radius: 10px;
    background: rgba(180, 35, 35, 0.07);
    line-height: 1.45;
}

.danger-zone-note strong {
    color: var(--danger, #b42323);
}

#deleteAllDisciplinesBtn {
    min-height: 42px;
    white-space: nowrap;
}

@media (max-width: 720px) {
    .catalog-admin-heading {
        flex-direction: column;
    }

    #deleteAllDisciplinesBtn {
        width: 100%;
    }
}


/* Banner da página inicial ocupando todo o botão, sem cortar a imagem */
.action-brand {
    padding: 0 !important;
    overflow: hidden !important;
    display: flex !important;
    align-items: stretch !important;
    justify-content: center !important;
    width: 190px !important;
    height: 72px !important;
    min-width: 190px !important;
    min-height: 72px !important;
    box-sizing: border-box !important;
}

.action-brand .action-slogan-image {
    display: block !important;
    width: 100% !important;
    height: 100% !important;
    max-width: none !important;
    object-fit: contain !important;
    object-position: center !important;
    flex: 1 1 auto !important;
}

.action-brand .action-copy {
    display: none !important;
}

@media (max-width: 820px) {
    .action-brand {
        width: 170px !important;
        height: 64px !important;
        min-width: 170px !important;
        min-height: 64px !important;
        padding: 0 !important;
    }

    .action-brand .action-slogan-image {
        width: 100% !important;
        height: 100% !important;
        object-fit: contain !important;
    }
}

@media (max-width: 430px) {
    .action-brand {
        width: 154px !important;
        height: 58px !important;
        min-width: 154px !important;
        min-height: 58px !important;
    }
}



/* Cabeçalho / barra principal não fixa */
.action-bar {
    position: relative !important;
    top: auto !important;
    left: auto !important;
    right: auto !important;
    bottom: auto !important;
    z-index: auto !important;
}



/* =========================================================
   MOBILE: banner à esquerda + botões à direita
   Botões excedentes quebram para baixo, sempre à direita.
   Sem rolagem horizontal.
   ========================================================= */
@media (max-width: 820px) {
    html,
    body {
        overflow-x: hidden !important;
        max-width: 100% !important;
    }

    .action-bar {
        display: flex !important;
        flex-wrap: wrap !important;
        align-items: flex-start !important;
        justify-content: flex-start !important;
        gap: 8px !important;
        width: 100% !important;
        max-width: 100% !important;
        min-width: 0 !important;
        overflow: visible !important;
        overflow-x: hidden !important;
        box-sizing: border-box !important;
    }

    .action-brand {
        flex: 0 0 154px !important;
        width: 154px !important;
        min-width: 154px !important;
        max-width: 154px !important;
        height: 58px !important;
        min-height: 58px !important;
        padding: 0 !important;
        margin: 0 !important;
        box-sizing: border-box !important;
        overflow: hidden !important;
        align-self: flex-start !important;
    }

    .action-brand .action-slogan-image {
        display: block !important;
        width: 100% !important;
        height: 100% !important;
        object-fit: contain !important;
        object-position: center !important;
    }

    .action-menu {
        display: flex !important;
        flex: 1 1 calc(100% - 162px) !important;
        flex-wrap: wrap !important;
        justify-content: flex-end !important;
        align-content: flex-start !important;
        align-items: flex-start !important;
        gap: 5px !important;
        width: auto !important;
        max-width: calc(100% - 162px) !important;
        min-width: 0 !important;
        margin-left: auto !important;
        overflow: visible !important;
        overflow-x: hidden !important;
        white-space: normal !important;
        box-sizing: border-box !important;
    }

    .action-menu .action-button,
    .action-menu .action-button-square {
        display: inline-flex !important;
        flex: 0 0 auto !important;
        width: auto !important;
        min-width: 0 !important;
        max-width: 100% !important;
        min-height: 32px !important;
        height: auto !important;
        padding: 6px 7px !important;
        gap: 4px !important;
        box-sizing: border-box !important;
        align-items: center !important;
        justify-content: center !important;
        white-space: nowrap !important;
        overflow: visible !important;
        text-overflow: clip !important;
        font-size: 10px !important;
        line-height: 1.05 !important;
    }

    .action-menu .action-button > span:last-child,
    .action-menu .desktop-label {
        display: inline-block !important;
        white-space: nowrap !important;
        overflow: visible !important;
        text-overflow: clip !important;
        max-width: none !important;
    }

    .action-menu .action-icon {
        flex: 0 0 auto !important;
        font-size: 11px !important;
        min-width: 11px !important;
        line-height: 1 !important;
    }
}

/* Em celulares menores, reduz um pouco o banner para sobrar mais espaço à direita */
@media (max-width: 430px) {
    .action-brand {
        flex-basis: 138px !important;
        width: 138px !important;
        min-width: 138px !important;
        max-width: 138px !important;
        height: 52px !important;
        min-height: 52px !important;
    }

    .action-menu {
        flex-basis: calc(100% - 146px) !important;
        max-width: calc(100% - 146px) !important;
        gap: 4px !important;
    }

    .action-menu .action-button,
    .action-menu .action-button-square {
        min-height: 30px !important;
        padding: 5px 6px !important;
        font-size: 9.5px !important;
        gap: 3px !important;
    }

    .action-menu .action-icon {
        font-size: 10px !important;
        min-width: 10px !important;
    }
}

/* Muito estreito: mantém banner em cima à esquerda, menu continua abaixo à direita */
@media (max-width: 340px) {
    .action-brand {
        flex: 0 0 132px !important;
        width: 132px !important;
        min-width: 132px !important;
        max-width: 132px !important;
    }

    .action-menu {
        flex: 1 1 calc(100% - 140px) !important;
        max-width: calc(100% - 140px) !important;
    }
}



/* =========================================================
   MODAIS HISTÓRICO E RANKING — RESPONSIVOS COM ROLAGEM
   Funciona em desktop, tablets e celulares em paisagem.
   ========================================================= */
#historyModal,
#rankingModal,
.modal-overlay {
    overflow: hidden !important;
}

#historyModal .report-modal,
#rankingModal .report-modal,
.history-v5-modal,
.ranking-v5-modal {
    display: flex !important;
    flex-direction: column !important;
    width: min(960px, calc(100vw - 32px)) !important;
    max-width: calc(100vw - 32px) !important;
    max-height: calc(100dvh - 32px) !important;
    min-height: 0 !important;
    overflow: hidden !important;
    margin: 16px auto !important;
    box-sizing: border-box !important;
}

#historyModal .report-modal-header,
#rankingModal .report-modal-header,
.history-v5-modal .report-modal-header,
.ranking-v5-modal .report-modal-header {
    flex: 0 0 auto !important;
}

#historyModal .history-summary-v5,
#rankingModal .my-ranking-card,
#rankingModal .ranking-podium,
#historyModal .history-toolbar-v5,
#rankingModal .report-toolbar {
    flex: 0 0 auto !important;
}

/* O conteúdo principal rola dentro do modal */
#historyModal .report-list,
#historyModal #historyList,
#rankingModal .report-list,
#rankingModal #rankingList {
    flex: 1 1 auto !important;
    min-height: 0 !important;
    overflow-y: auto !important;
    overflow-x: hidden !important;
    overscroll-behavior: contain !important;
    -webkit-overflow-scrolling: touch !important;
    padding-right: 4px !important;
}

/* Caso o conteúdo acima da lista fique alto, o próprio modal também pode rolar */
#historyModal .report-modal,
#rankingModal .report-modal {
    overflow-y: auto !important;
    overscroll-behavior: contain !important;
    -webkit-overflow-scrolling: touch !important;
}

/* Desktop */
@media (min-width: 821px) {
    #historyModal .report-modal,
    #rankingModal .report-modal {
        width: min(980px, calc(100vw - 48px)) !important;
        max-height: calc(100vh - 48px) !important;
        margin: 24px auto !important;
    }
}

/* Tablets e celulares em paisagem */
@media (max-height: 620px) and (orientation: landscape) {
    #historyModal,
    #rankingModal {
        align-items: center !important;
        padding: 8px !important;
    }

    #historyModal .report-modal,
    #rankingModal .report-modal {
        width: calc(100vw - 16px) !important;
        max-width: calc(100vw - 16px) !important;
        max-height: calc(100dvh - 16px) !important;
        margin: 8px auto !important;
        border-radius: 14px !important;
    }

    #historyModal .report-modal-header,
    #rankingModal .report-modal-header {
        padding-top: 10px !important;
        padding-bottom: 10px !important;
    }

    #historyModal .history-summary-v5,
    #rankingModal .ranking-podium {
        margin-top: 8px !important;
        margin-bottom: 8px !important;
    }
}

/* Celulares */
@media (max-width: 600px) {
    #historyModal,
    #rankingModal {
        padding: 10px !important;
    }

    #historyModal .report-modal,
    #rankingModal .report-modal {
        width: calc(100vw - 20px) !important;
        max-width: calc(100vw - 20px) !important;
        max-height: calc(100dvh - 20px) !important;
        margin: 10px auto !important;
        border-radius: 14px !important;
    }

    #historyModal .report-modal-header h2,
    #rankingModal .report-modal-header h2 {
        font-size: 1.2rem !important;
    }
}


/* REGRA DE SEGURANÇA: não permitir que estilos de layout revelem botões ocultos */
.action-menu .action-button.hidden,
.action-menu .hidden,
#navAdmin.hidden {
    display: none !important;
}


/* =========================================================
   HISTÓRICO / RANKING — CABEÇALHO FIXO + CORPO ROLÁVEL
   ========================================================= */
#historyModal,
#rankingModal {
    position: fixed !important;
    inset: 0 !important;
    display: flex;
    align-items: center !important;
    justify-content: center !important;
    padding: 16px !important;
    overflow: hidden !important;
    box-sizing: border-box !important;
}

#historyModal.hidden,
#rankingModal.hidden {
    display: none !important;
}

#historyModal .report-modal,
#rankingModal .report-modal {
    display: flex !important;
    flex-direction: column !important;
    width: min(980px, calc(100vw - 32px)) !important;
    max-width: calc(100vw - 32px) !important;
    height: auto !important;
    max-height: calc(100dvh - 32px) !important;
    min-height: 0 !important;
    overflow: hidden !important;
    margin: 0 !important;
    box-sizing: border-box !important;
}

#historyModal .report-modal-header,
#rankingModal .report-modal-header {
    flex: 0 0 auto !important;
    position: sticky !important;
    top: 0 !important;
    z-index: 5 !important;
}

/* Todo o conteúdo restante rola aqui */
#historyModal .report-modal-body-scroll,
#rankingModal .report-modal-body-scroll {
    flex: 1 1 auto !important;
    min-height: 0 !important;
    max-height: 100% !important;
    overflow-y: auto !important;
    overflow-x: hidden !important;
    overscroll-behavior: contain !important;
    -webkit-overflow-scrolling: touch !important;
    touch-action: pan-y !important;
    scrollbar-gutter: stable !important;
    padding-bottom: 18px !important;
}

/* Listas não criam uma segunda rolagem conflitante */
#historyModal #historyList,
#rankingModal #rankingList,
#historyModal .report-list,
#rankingModal .report-list {
    overflow: visible !important;
    max-height: none !important;
    min-height: 0 !important;
}

/* Desktop */
@media (min-width: 821px) {
    #historyModal,
    #rankingModal {
        padding: 24px !important;
    }

    #historyModal .report-modal,
    #rankingModal .report-modal {
        max-height: calc(100vh - 48px) !important;
        width: min(980px, calc(100vw - 48px)) !important;
        max-width: calc(100vw - 48px) !important;
    }
}

/* Celulares */
@media (max-width: 600px) {
    #historyModal,
    #rankingModal {
        padding: 10px !important;
    }

    #historyModal .report-modal,
    #rankingModal .report-modal {
        width: calc(100vw - 20px) !important;
        max-width: calc(100vw - 20px) !important;
        max-height: calc(100dvh - 20px) !important;
        border-radius: 14px !important;
    }

    #historyModal .report-modal-body-scroll,
    #rankingModal .report-modal-body-scroll {
        padding-bottom: 14px !important;
    }
}

/* Paisagem em celular/tablet */
@media (orientation: landscape) and (max-height: 700px) {
    #historyModal,
    #rankingModal {
        padding: 8px !important;
        align-items: center !important;
    }

    #historyModal .report-modal,
    #rankingModal .report-modal {
        width: calc(100vw - 16px) !important;
        max-width: calc(100vw - 16px) !important;
        max-height: calc(100dvh - 16px) !important;
        border-radius: 12px !important;
    }

    #historyModal .report-modal-header,
    #rankingModal .report-modal-header {
        padding-top: 10px !important;
        padding-bottom: 10px !important;
    }

    #historyModal .report-modal-body-scroll,
    #rankingModal .report-modal-body-scroll {
        overflow-y: auto !important;
        min-height: 0 !important;
    }
}



/* Correção 1.2 — contraste de superfícies escuras no tema claro */
.hero,
.profile-dashboard,
.my-ranking-card,
.action-brand {
    color: var(--text-on-primary);
}

.hero :is(p, small, span),
.profile-dashboard :is(p, small, span),
.my-ranking-card :is(p, small, span) {
    color: var(--text-on-primary);
}

.auth-tab.active,
.admin-tab.active,
.toast {
    color: var(--text-on-primary);
}