/* ==========================================================================
   Corretor de Gabarito — Design System
   Paleta: #40B3D8 (azul) · #83C933 (verde) · #F18A2A (laranja)
   ========================================================================== */

:root {
    --cg-blue: #40B3D8;
    --cg-blue-dark: #2f8faf;
    --cg-blue-deep: #0d3b52;
    --cg-green: #83C933;
    --cg-orange: #F18A2A;

    --cg-radius: 16px;
    --cg-radius-sm: 12px;
    --cg-shadow-sm: 0 1px 2px rgba(13, 59, 82, .06), 0 1px 3px rgba(13, 59, 82, .08);
    --cg-shadow: 0 4px 16px rgba(13, 59, 82, .08);
    --cg-shadow-lg: 0 12px 32px rgba(13, 59, 82, .14);

    --cg-gradient: linear-gradient(135deg, #40B3D8 0%, #34a0c4 45%, #83C933 100%);
    --cg-gradient-soft: linear-gradient(180deg, rgba(64, 179, 216, .08) 0%, rgba(131, 201, 51, .04) 100%);

    --bs-primary: #40B3D8;
    --bs-primary-rgb: 64, 179, 216;

    --bs-link-color: #2f8faf;
    --bs-link-color-rgb: 47, 143, 175;
    --bs-link-hover-color: #276075;
}

[data-bs-theme="dark"] {
    --cg-shadow-sm: 0 1px 3px rgba(0, 0, 0, .4);
    --cg-shadow: 0 4px 16px rgba(0, 0, 0, .45);
    --cg-shadow-lg: 0 12px 32px rgba(0, 0, 0, .55);
    --cg-gradient-soft: linear-gradient(180deg, rgba(64, 179, 216, .12) 0%, rgba(131, 201, 51, .05) 100%);
}

/* Base ------------------------------------------------------------------- */
body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    background-color: #f5f8fa;
    background-image: var(--cg-gradient-soft);
    background-attachment: fixed;
}

[data-bs-theme="dark"] body {
    background-color: #0f171c;
}

h1, h2, h3, .app-page-title {
    font-weight: 700;
    letter-spacing: -.02em;
}

.app-main {
    min-height: 60vh;
}

.app-container {
    max-width: 1140px;
}

/* Navbar ----------------------------------------------------------------- */
.app-navbar {
    background: linear-gradient(100deg, #0d3b52 0%, #14526e 55%, #1c6b7f 100%);
    box-shadow: 0 2px 12px rgba(13, 59, 82, .28);
    padding-top: .6rem;
    padding-bottom: .6rem;
}

.app-brand {
    display: inline-flex;
    align-items: center;
    gap: .55rem;
    text-decoration: none;
    font-weight: 800;
    color: #fff !important;
    font-size: 1.05rem;
    margin-right: .5rem;
}

.app-brand::before {
    content: 'CG';
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 11px;
    background: var(--cg-gradient);
    color: #fff;
    font-size: .95rem;
    font-weight: 800;
    letter-spacing: .02em;
    box-shadow: 0 3px 10px rgba(0, 0, 0, .25);
    flex: 0 0 auto;
}

.app-navbar .navbar-toggler {
    border-color: rgba(255, 255, 255, .35);
    padding: .35rem .55rem;
}

.app-navbar .navbar-toggler:focus {
    box-shadow: 0 0 0 .2rem rgba(64, 179, 216, .5);
}

.app-nav-link {
    color: rgba(255, 255, 255, .82) !important;
    border-radius: 10px;
    padding: .5rem .85rem !important;
    font-weight: 500;
    transition: background-color .15s ease, color .15s ease;
    display: flex;
    align-items: center;
    gap: .5rem;
}

.app-nav-link:hover,
.app-nav-link:focus {
    color: #fff !important;
    background-color: rgba(255, 255, 255, .12);
}

.app-nav-link.active {
    color: #fff !important;
    background-color: rgba(255, 255, 255, .18);
}

.nav-icon {
    font-size: 1rem;
    line-height: 1;
}

.app-nav-cta {
    background: rgba(131, 201, 51, .22);
}

.app-nav-cta:hover,
.app-nav-cta.active {
    background: rgba(131, 201, 51, .38) !important;
}

.app-theme-toggle {
    color: rgba(255, 255, 255, .9) !important;
    font-size: 1.15rem;
    text-decoration: none;
    border-radius: 10px;
    padding: .35rem .6rem;
    line-height: 1;
}

.app-theme-toggle:hover {
    background-color: rgba(255, 255, 255, .12);
}

/* Colapsa os links no mobile com espaçamento confortável */
@media (max-width: 991.98px) {
    .app-navbar .navbar-collapse {
        margin-top: .65rem;
        padding: .65rem;
        border-radius: var(--cg-radius-sm);
        background-color: rgba(255, 255, 255, .06);
    }

    .app-navbar .navbar-nav {
        align-items: stretch !important;
    }

    .app-nav-link {
        padding: .7rem .85rem !important;
    }

    .app-nav-link.active {
        border-left: 3px solid var(--cg-green);
        padding-left: .85rem !important;
    }

    .app-theme-toggle {
        margin: .5rem .25rem 0;
    }
}

/* Breadcrumb ------------------------------------------------------------- */
.app-breadcrumb {
    background: transparent;
    padding: .25rem 0 0;
    margin-bottom: 1rem;
    font-size: .85rem;
}

.app-breadcrumb .breadcrumb-item + .breadcrumb-item::before {
    content: '›';
    color: var(--bs-secondary-color);
}

/* Página ----------------------------------------------------------------- */
.app-page-header {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: .75rem;
    margin-bottom: 1.25rem;
}

.app-page-title {
    font-size: 1.6rem;
    margin: 0;
    display: flex;
    align-items: center;
    gap: .6rem;
}

.app-page-title::before {
    content: '';
    width: 6px;
    height: 1.4rem;
    border-radius: 4px;
    background: var(--cg-gradient);
    flex: 0 0 auto;
}

/* Cards ------------------------------------------------------------------ */
.card {
    border: 1px solid var(--bs-border-color-translucent);
    border-radius: var(--cg-radius);
    box-shadow: var(--cg-shadow-sm);
}

.app-card {
    border-radius: var(--cg-radius);
    border: 1px solid var(--bs-border-color-translucent);
    background-color: var(--bs-body-bg);
    box-shadow: var(--cg-shadow-sm);
    overflow: hidden;
}

.app-card-body {
    padding: 1.25rem;
}

.app-card-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: .25rem;
}

.app-card-subtitle {
    color: var(--bs-secondary-color);
    font-size: .85rem;
    margin-bottom: 1.25rem;
}

/* Stat cards (dashboard) ------------------------------------------------- */
.stat-card {
    position: relative;
    display: flex;
    flex-direction: column;
    height: 100%;
    padding: 1.1rem 1.15rem;
    border-radius: var(--cg-radius);
    background-color: var(--bs-body-bg);
    border: 1px solid var(--bs-border-color-translucent);
    box-shadow: var(--cg-shadow-sm);
    text-decoration: none;
    color: inherit;
    transition: transform .15s ease, box-shadow .15s ease;
    overflow: hidden;
}

a.stat-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--cg-shadow-lg);
    color: inherit;
}

.stat-card::after {
    content: '';
    position: absolute;
    inset: 0 auto 0 0;
    width: 4px;
    background: var(--stat-accent, var(--cg-blue));
}

.stat-card--blue { --stat-accent: var(--cg-blue); }
.stat-card--green { --stat-accent: var(--cg-green); }
.stat-card--orange { --stat-accent: var(--cg-orange); }
.stat-card--warning { --stat-accent: #ffc107; }

.stat-card-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 13px;
    font-size: 1.25rem;
    margin-bottom: .75rem;
    background: color-mix(in srgb, var(--stat-accent, var(--cg-blue)) 16%, transparent);
}

.stat-card-value {
    font-size: 2rem;
    font-weight: 800;
    line-height: 1;
    letter-spacing: -.03em;
}

.stat-card-label {
    color: var(--bs-secondary-color);
    font-size: .82rem;
    text-transform: uppercase;
    letter-spacing: .05em;
    font-weight: 600;
    margin-top: .35rem;
}

/* Botões ----------------------------------------------------------------- */
.btn {
    border-radius: 11px;
    font-weight: 600;
    padding: .55rem 1.1rem;
    transition: transform .12s ease, box-shadow .12s ease, background-color .12s ease;
}

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

.btn-primary {
    background: linear-gradient(135deg, #40B3D8, #2f8faf);
    border: none;
    box-shadow: 0 3px 10px rgba(64, 179, 216, .35);
}

.btn-primary:hover,
.btn-primary:focus {
    background: linear-gradient(135deg, #3aa9cc, #2a7f9c);
    box-shadow: 0 5px 16px rgba(64, 179, 216, .45);
}

.btn-success {
    background: linear-gradient(135deg, #83C933, #6cab28);
    border: none;
}

.app-action-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: .75rem;
}

.app-action-btn {
    display: flex;
    align-items: center;
    gap: .6rem;
    padding: .85rem 1.1rem;
    border-radius: var(--cg-radius-sm);
    font-weight: 600;
    text-align: left;
    line-height: 1.2;
    border: 1px solid var(--bs-border-color);
    background-color: var(--bs-body-bg);
    color: var(--bs-body-color);
    text-decoration: none;
    transition: transform .12s ease, box-shadow .12s ease, border-color .12s ease;
}

.app-action-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--cg-shadow);
    border-color: var(--cg-blue);
    color: var(--cg-blue-dark);
}

.app-action-btn .nav-icon {
    font-size: 1.3rem;
}

.app-action-btn--primary {
    background: var(--cg-gradient);
    border-color: transparent;
    color: #fff;
}

.app-action-btn--primary:hover {
    color: #fff;
    border-color: transparent;
    box-shadow: 0 8px 20px rgba(64, 179, 216, .4);
}

/* GridView / Tabelas ----------------------------------------------------- */
.grid-view {
    border-radius: var(--cg-radius);
    overflow: hidden;
    box-shadow: var(--cg-shadow-sm);
    border: 1px solid var(--bs-border-color-translucent);
}

.grid-view .table {
    margin-bottom: 0;
    background-color: var(--bs-body-bg);
}

.grid-view .table > thead > tr > th {
    background-color: color-mix(in srgb, var(--cg-blue) 10%, var(--bs-body-bg));
    border-bottom: 2px solid color-mix(in srgb, var(--cg-blue) 25%, transparent);
    font-size: .8rem;
    text-transform: uppercase;
    letter-spacing: .04em;
    font-weight: 700;
    padding: .85rem 1rem;
    white-space: nowrap;
}

.grid-view .table > tbody > tr > td {
    padding: .8rem 1rem;
    vertical-align: middle;
}

.grid-view .table > tbody > tr:hover > * {
    background-color: color-mix(in srgb, var(--cg-blue) 6%, transparent);
}

.grid-view .summary {
    color: var(--bs-secondary-color);
    font-size: .85rem;
}

.grid-view .pagination {
    margin-bottom: 0;
}

/* Tabela responsiva em telas pequenas (card-stack com data-label) -------- */
@media (max-width: 767.98px) {
    .app-table-responsive {
        border: 0;
        box-shadow: none;
        overflow: visible;
    }

    .app-table-responsive table,
    .app-table-responsive thead,
    .app-table-responsive tbody,
    .app-table-responsive th,
    .app-table-responsive td,
    .app-table-responsive tr {
        display: block;
        width: 100%;
    }

    .app-table-responsive thead {
        position: absolute;
        width: 1px;
        height: 1px;
        overflow: hidden;
        clip: rect(0 0 0 0);
        white-space: nowrap;
    }

    .app-table-responsive tbody tr {
        background-color: var(--bs-body-bg);
        border: 1px solid var(--bs-border-color-translucent);
        border-radius: var(--cg-radius-sm);
        box-shadow: var(--cg-shadow-sm);
        margin-bottom: .75rem;
        padding: .5rem .25rem;
    }

    .app-table-responsive tbody td {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 1rem;
        padding: .5rem .85rem !important;
        border: 0;
        text-align: right;
    }

    .app-table-responsive tbody td::before {
        content: attr(data-label);
        font-weight: 700;
        font-size: .78rem;
        text-transform: uppercase;
        letter-spacing: .04em;
        color: var(--bs-secondary-color);
        text-align: left;
        flex: 0 0 auto;
    }

    .app-table-responsive tbody td:last-child {
        justify-content: flex-end;
        padding-top: .65rem !important;
        border-top: 1px dashed var(--bs-border-color);
    }

    .app-table-responsive tbody td:last-child::before {
        content: '';
        display: none;
    }

    .grid-view .table > tbody > tr:hover > * {
        background-color: transparent;
    }
}

/* Formulários ------------------------------------------------------------ */
.form-label {
    font-weight: 600;
    font-size: .875rem;
    margin-bottom: .35rem;
}

.form-control,
.form-select {
    border-radius: 11px;
    padding: .6rem .85rem;
    border-color: var(--bs-border-color);
    transition: border-color .15s ease, box-shadow .15s ease;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--cg-blue);
    box-shadow: 0 0 0 .22rem rgba(64, 179, 216, .22);
}

.form-control-lg {
    font-size: 1.05rem;
    padding: .8rem 1rem;
}

.app-form .invalid-feedback {
    font-size: .82rem;
}

/* Captura de folha (mobile) ---------------------------------------------- */
.capture-step {
    display: flex;
    gap: .85rem;
    align-items: flex-start;
    padding: .9rem 1rem;
    border-radius: var(--cg-radius-sm);
    background-color: color-mix(in srgb, var(--cg-blue) 5%, transparent);
    border: 1px solid var(--bs-border-color-translucent);
    margin-bottom: .85rem;
}

.capture-step-num {
    flex: 0 0 auto;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: var(--cg-gradient);
    color: #fff;
    font-weight: 700;
    font-size: .9rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.capture-step-text {
    font-size: .9rem;
    line-height: 1.4;
    padding-top: .2rem;
}

/* Área de upload estilo câmera */
.capture-drop {
    position: relative;
    display: block;
    border: 2px dashed color-mix(in srgb, var(--cg-blue) 45%, transparent);
    border-radius: var(--cg-radius);
    background-color: color-mix(in srgb, var(--cg-blue) 6%, transparent);
    padding: 1.75rem 1rem;
    text-align: center;
    cursor: pointer;
    transition: background-color .15s ease, border-color .15s ease;
}

.capture-drop:hover,
.capture-drop:focus-within {
    background-color: color-mix(in srgb, var(--cg-blue) 12%, transparent);
    border-color: var(--cg-blue);
}

.capture-drop-icon {
    font-size: 2.25rem;
    line-height: 1;
    display: block;
    margin-bottom: .5rem;
}

.capture-drop input[type="file"] {
    position: absolute;
    width: 1px;
    height: 1px;
    opacity: 0;
    overflow: hidden;
}

/* Conferencia visual da leitura: a foto com a regiao e as marcacoes detectadas */
.capture-diagnostico {
    display: block;
    /* !important porque o canvas carrega width/height em atributos; sem isso a
       imagem estoura o card e fica impossivel de enxergar */
    width: 100% !important;
    max-width: 100% !important;
    height: auto !important;
    max-height: 70vh;
    object-fit: contain;
    border-radius: var(--cg-radius-sm);
    border: 1px solid var(--bs-border-color-translucent);
    background-color: var(--bs-tertiary-bg);
}

/* Placar da correcao: acertos, erros, pendencias e nota, lado a lado. */
.capture-placar {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: .75rem;
}

.capture-placar-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: .15rem;
    padding: .75rem .5rem;
    border-radius: var(--cg-radius-sm);
    border: 1px solid var(--bs-border-color-translucent);
    border-left: 4px solid var(--placar-accent, var(--cg-blue));
    background-color: var(--bs-tertiary-bg);
    text-align: center;
}

.capture-placar-item--acerto { --placar-accent: #16a34a; }
.capture-placar-item--erro { --placar-accent: #dc2626; }
.capture-placar-item--revisao { --placar-accent: var(--cg-orange); }
.capture-placar-item--nota { --placar-accent: var(--cg-blue); }

.capture-placar-valor {
    font-size: 1.5rem;
    font-weight: 800;
    line-height: 1;
    letter-spacing: -.02em;
    color: var(--placar-accent, var(--bs-body-color));
}

.capture-placar-rotulo {
    font-size: .72rem;
    text-transform: uppercase;
    letter-spacing: .05em;
    font-weight: 700;
    color: var(--bs-secondary-color);
}

@media (min-width: 992px) {
    .capture-placar {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }
}

/* Identificacao manual do aluno (QR code nao lido): destaca o passo para o
   professor nao passar batido pela escolha do aluno. */
.capture-manual {
    border-left: 4px solid var(--cg-orange);
    background-color: color-mix(in srgb, var(--cg-orange) 6%, var(--bs-body-bg));
}

.capture-manual .app-card-title::before {
    content: '\26A0\FE0F';
    margin-right: .4rem;
}

.capture-result {
    border-radius: var(--cg-radius-sm);
    background-color: var(--bs-tertiary-bg);
    border: 1px solid var(--bs-border-color-translucent);
    padding: 1rem;
    font-size: .82rem;
    max-height: 320px;
    overflow: auto;
    margin-bottom: 0;
    white-space: pre-wrap;
    word-break: break-word;
}

/* Cadastro de gabarito (editor de questoes) ------------------------------ */
.gabarito-lista {
    display: flex;
    flex-direction: column;
    gap: .85rem;
}

.gabarito-questao {
    border: 1px solid var(--bs-border-color-translucent);
    border-left: 4px solid var(--cg-blue);
    border-radius: var(--cg-radius-sm);
    background-color: var(--bs-body-bg);
    box-shadow: var(--cg-shadow-sm);
    padding: .9rem 1rem;
    transition: border-color .15s ease;
}

.gabarito-questao:focus-within {
    border-left-color: var(--cg-green);
}

.gabarito-questao-topo {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: .6rem;
}

.gabarito-questao-num {
    flex: 0 0 auto;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 52px;
    padding: .3rem .55rem;
    border-radius: 9px;
    background: var(--cg-gradient);
    color: #fff;
    font-weight: 700;
    font-size: .82rem;
    letter-spacing: .02em;
}

.gabarito-questao-campos {
    flex: 1 1 260px;
    display: flex;
    flex-wrap: wrap;
    gap: .5rem;
}

.gabarito-questao-campos .campo-tipo {
    flex: 1 1 190px;
    min-width: 150px;
}

.gabarito-questao-campos .campo-peso {
    flex: 0 1 150px;
    max-width: 170px;
}

.gabarito-questao-campos .campo-peso .input-group-text {
    font-size: .78rem;
    font-weight: 600;
}

.btn-remover {
    flex: 0 0 auto;
    margin-left: auto;
}

.gabarito-questao-corpo {
    margin-top: .85rem;
    padding-top: .85rem;
    border-top: 1px dashed var(--bs-border-color);
}

.gabarito-alternativas {
    display: flex;
    flex-wrap: wrap;
    gap: .5rem;
}

/* Alternativa como "pilula": o radio real fica escondido, mas segue acessivel
   por teclado, e o label mostra o estado selecionado. */
.gabarito-opcao {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: .45rem;
    padding: .5rem .9rem;
    border: 1px solid var(--bs-border-color);
    border-radius: 999px;
    background-color: var(--bs-body-bg);
    font-weight: 600;
    font-size: .9rem;
    cursor: pointer;
    transition: border-color .15s ease, background-color .15s ease, color .15s ease;
}

.gabarito-opcao:hover {
    border-color: var(--cg-blue);
}

.gabarito-opcao input[type="radio"] {
    position: absolute;
    opacity: 0;
    width: 1px;
    height: 1px;
    margin: 0;
}

.gabarito-opcao:has(input[type="radio"]:checked) {
    border-color: var(--cg-green);
    background-color: color-mix(in srgb, var(--cg-green) 16%, transparent);
    color: var(--cg-blue-deep);
}

.gabarito-opcao:has(input[type="radio"]:focus-visible) {
    box-shadow: 0 0 0 .2rem rgba(64, 179, 216, .35);
}

.gabarito-opcao:has(input[type="radio"]:disabled) {
    opacity: .45;
    cursor: not-allowed;
}

[data-bs-theme="dark"] .gabarito-opcao:has(input[type="radio"]:checked) {
    color: #eaf7cd;
}

.gabarito-vazio {
    border: 2px dashed color-mix(in srgb, var(--cg-blue) 40%, transparent);
    border-radius: var(--cg-radius-sm);
    background-color: color-mix(in srgb, var(--cg-blue) 5%, transparent);
    padding: 2rem 1rem;
    text-align: center;
}

.gabarito-vazio-icon {
    display: block;
    font-size: 2rem;
    line-height: 1;
    margin-bottom: .5rem;
}

/* Botao de adicionar questao, posicionado abaixo da lista. Altura maior para
   ser um alvo confortavel de toque no celular. */
.gabarito-add {
    padding-top: .75rem;
    padding-bottom: .75rem;
    font-size: 1rem;
}

.gabarito-tipo-info {
    display: flex;
    flex-direction: column;
    gap: .15rem;
    padding: .6rem .75rem;
    border-radius: var(--cg-radius-sm);
    background-color: color-mix(in srgb, var(--cg-blue) 6%, transparent);
    border: 1px solid var(--bs-border-color-translucent);
    height: 100%;
}

.gabarito-tipo-info span {
    color: var(--bs-secondary-color);
    font-size: .8rem;
}

@media (max-width: 575.98px) {
    .gabarito-questao-campos .campo-peso {
        flex: 1 1 100%;
        max-width: none;
    }

    .btn-remover {
        width: 100%;
        margin-left: 0;
    }
}

/* Footer ----------------------------------------------------------------- */
.app-footer {
    background-color: var(--bs-body-bg);
    border-top: 1px solid var(--bs-border-color-translucent);
    padding: 1rem 0;
    margin-top: 2rem;
}

.app-user-badge {
    background-color: color-mix(in srgb, var(--cg-blue) 16%, transparent);
    color: var(--cg-blue-dark);
    font-weight: 600;
}

[data-bs-theme="dark"] .app-user-badge {
    color: #9adcf2;
}

/* Utilidades ------------------------------------------------------------- */
.not-set {
    color: var(--bs-danger);
    font-style: italic;
}

.hint-block {
    display: block;
    margin-top: 5px;
    color: var(--bs-secondary-color);
}

.error-summary {
    color: var(--bs-danger-text-emphasis);
    background: var(--bs-danger-bg-subtle);
    border-left: 3px solid var(--bs-danger-border-subtle);
    padding: 10px 20px;
    margin: 0 0 15px 0;
    border-radius: var(--cg-radius-sm);
}

/* Ordenação do GridView */
a.asc:after, a.desc:after {
    content: '';
    left: 3px;
    display: inline-block;
    width: 0;
    height: 0;
    border: solid 5px transparent;
    margin: 4px 4px 2px 4px;
    background: transparent;
}

a.asc:after {
    border-bottom: solid 7px var(--bs-body-color);
    border-top-width: 0;
}

a.desc:after {
    border-top: solid 7px var(--bs-body-color);
    border-bottom-width: 0;
}

/* ==========================================================================
   Login
   ========================================================================== */
.login-split-card .input-group {
    border: var(--bs-border-width) solid var(--bs-border-color);
    border-radius: var(--bs-border-radius);
    overflow: hidden;
    transition: border-color .15s ease-in-out, box-shadow .15s ease-in-out;
}

.login-split-card .input-group .input-group-text {
    background: transparent;
    border: 0;
    padding-left: 1rem;
    padding-right: .75rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-split-card .input-group .form-control {
    border: 0;
    background: transparent;
}

.login-split-card .input-group .form-control:focus {
    box-shadow: none;
}

.login-split-card .input-group:focus-within {
    border-color: var(--bs-primary);
    box-shadow: 0 0 0 .25rem rgba(var(--bs-primary-rgb), .25);
}

@supports selector(.input-group:has(.is-invalid)) {
    .login-split-card .input-group:has(.is-invalid) ~ .invalid-feedback {
        display: block;
        margin-top: .35rem;
        margin-bottom: .5rem;
    }

    .login-split-card .input-group:has(.is-invalid) {
        border-color: var(--bs-danger);
    }

    .login-split-card .input-group:has(.is-invalid):focus-within {
        box-shadow: 0 0 0 .25rem rgba(var(--bs-danger-rgb), .25);
    }
}

@supports not selector(.input-group:has(.is-invalid)) {
    .login-split-card .invalid-feedback:not(:empty) {
        display: block;
        margin-top: .35rem;
        margin-bottom: .5rem;
    }

    .login-split-card .input-group .form-control.is-invalid {
        border: var(--bs-border-width) solid var(--bs-danger);
    }

    .login-split-card .input-group .form-control.is-invalid:focus {
        box-shadow: 0 0 0 .25rem rgba(var(--bs-danger-rgb), .25);
    }
}

.login-split-card {
    border-radius: 1rem;
    box-shadow: 0 4px 24px rgba(0, 0, 0, .10);
    background-color: var(--bs-gray-100);
    width: 100%;
    max-width: 900px;
}

.login-split-card-wide {
    max-width: 960px;
}

.login-brand-title {
    font-size: 1.75rem;
    line-height: 1.3;
}

.login-brand-text {
    font-size: .9rem;
}

.login-brand-panel {
    background: linear-gradient(135deg, #40B3D8 0%, #3a9cbd 40%, #83C933 100%);
    position: relative;
    min-height: 480px;
}

.login-brand-panel::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 20% 80%, rgba(241, 138, 42, .25) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(131, 201, 51, .2) 0%, transparent 40%);
    pointer-events: none;
}

.login-btn {
    background: linear-gradient(135deg, #40B3D8, #3a9cbd);
    border: none;
    font-weight: 600;
    letter-spacing: .02em;
    transition: opacity .2s, transform .1s;
}

.login-btn:hover {
    opacity: .9;
    transform: translateY(-1px);
}

.login-btn:active {
    transform: translateY(0);
}

[data-bs-theme="dark"] .login-split-card {
    background-color: var(--bs-body-bg);
    box-shadow: 0 0 0 1px var(--bs-border-color), 0 4px 24px rgba(0, 0, 0, .4);
}

[data-bs-theme="dark"] .login-mobile-logo {
    filter: invert(1);
}

/* Contato */
.site-contact textarea.form-control {
    height: 140px;
}

.site-contact img[src*="captcha"] {
    border-radius: var(--bs-border-radius);
    mix-blend-mode: multiply;
}

[data-bs-theme="dark"] .site-contact img[src*="captcha"] {
    mix-blend-mode: screen;
    filter: invert(1) hue-rotate(180deg);
}

/* Layouts centralizados */
.site-login,
.site-contact,
.site-index,
.site-error,
.site-about,
.site-contact-success {
    flex: 1;
}

.site-error .site-error-content,
.site-about .site-about-content,
.site-contact-success .site-contact-success-content {
    width: 100%;
    max-width: 90%;
}

@media (min-width: 576px) {
    .site-error .site-error-content,
    .site-about .site-about-content,
    .site-contact-success .site-contact-success-content {
        max-width: 80%;
    }
}

@media (min-width: 768px) {
    .site-error .site-error-content,
    .site-about .site-about-content,
    .site-contact-success .site-contact-success-content {
        max-width: 60%;
    }
}

@media (min-width: 992px) {
    .site-error .site-error-content,
    .site-about .site-about-content,
    .site-contact-success .site-contact-success-content {
        max-width: 50%;
    }
}

/* Hero banner */
.hero-banner {
    background: linear-gradient(135deg, #83C933 0%, #3a9cbd 40%, #40B3D8 100%);
    position: relative;
}

.hero-lead {
    max-width: 520px;
}

.hero-logo {
    height: 120px;
    opacity: .45;
    right: 2.5rem;
    top: 50%;
    transform: translateY(-50%);
}

.hero-banner::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background:
        radial-gradient(circle at 15% 85%, rgba(241, 138, 42, .3) 0%, transparent 45%),
        radial-gradient(circle at 85% 15%, rgba(131, 201, 51, .25) 0%, transparent 40%),
        radial-gradient(ellipse at 50% 50%, rgba(64, 179, 216, .15) 0%, transparent 60%);
    pointer-events: none;
}

/* Extension cards */
.extension-card {
    transition: transform .15s ease-in-out, box-shadow .15s ease-in-out;
}

.extension-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, .12) !important;
}

.extension-icon {
    font-size: 1.5rem;
    line-height: 1;
}

[data-bs-theme="dark"] .extension-card {
    background-color: var(--bs-body-bg);
    box-shadow: 0 0 0 1px var(--bs-border-color), 0 2px 8px rgba(0, 0, 0, .3);
}

[data-bs-theme="dark"] .extension-card:hover {
    box-shadow: 0 0 0 1px var(--bs-border-color), 0 8px 24px rgba(0, 0, 0, .4) !important;
}

/* ==========================================================================
   Ajustes finais para telas pequenas
   ========================================================================== */
@media (max-width: 575.98px) {
    .app-page-title {
        font-size: 1.35rem;
    }

    .stat-card-value {
        font-size: 1.6rem;
    }

    .stat-card-icon {
        width: 38px;
        height: 38px;
        font-size: 1.1rem;
    }

    .app-container {
        padding-left: 1rem;
        padding-right: 1rem;
    }

    .app-action-grid {
        grid-template-columns: 1fr;
    }

    .app-nav-link {
        padding: .65rem .75rem !important;
    }

    .btn {
        padding: .6rem 1rem;
    }
}