/* ==========================================================================
   SENAI — Sistema de Acompanhamento da Ação Docente
   Tema institucional sobre Bootstrap 5.3
   ========================================================================== */

:root {
    --senai-red: #5F6368;
    --senai-red-dark: #45494E;
    --senai-red-soft: #EDEEF0;
    --ink: #1F2933;
    --ink-2: #3E4C59;
    --muted: #5E6B7A;
    --line: #DADFE6;
    --line-soft: #E9ECF0;
    --canvas: #E6E6E6;
    --senai-wine: #45494E;
    --footer-gray: #E5E9EA;
    --surface: #FFFFFF;

    --bs-body-font-family: "Montserrat", "Segoe UI", Roboto, Arial, sans-serif;
    --bs-body-font-size: 0.9rem;
    --bs-body-color: var(--ink);
    --bs-body-bg: var(--canvas);
    --bs-border-color: var(--line);
    --bs-secondary-color: var(--muted);
    --bs-emphasis-color: var(--ink);
    --bs-link-color: var(--senai-red-dark);
    --bs-link-color-rgb: 69, 73, 78;
    --bs-link-hover-color: #35383C;
    --bs-primary: var(--senai-red);
    --bs-primary-rgb: 95, 99, 104;
    --bs-border-radius: 6px;
    --bs-border-radius-sm: 4px;
    --bs-border-radius-lg: 8px;
    --bs-focus-ring-color: rgba(95, 99, 104, 0.25);
}

body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    background: var(--canvas);
    -webkit-font-smoothing: antialiased;
}

main { flex: 1 0 auto; }

h1, h2, h3, h4, h5, h6,
.h1, .h2, .h3, .h4, .h5, .h6 {
    font-family: "Montserrat", sans-serif;
    font-weight: 700;
    color: var(--ink);
    letter-spacing: 0;
}

h1, .h1 { font-size: 1.6rem; font-weight: 800; }
h2, .h2 { font-size: 1.5rem; }
h3, .h3 { font-size: 1.3rem; }
h4, .h4 { font-size: 1.15rem; }
h5, .h5 { font-size: 1.05rem; }
h6, .h6 { font-size: 0.95rem; }

.text-muted { color: var(--muted) !important; }

/* ----- Cabeçalho ---------------------------------------------------------- */

.senai-topbar {
    height: 8px;
    background: var(--senai-red);
}

.app-header {
    background: var(--surface);
    border-top: 8px solid var(--senai-red);
    border-bottom: 2px solid var(--senai-red);
}

.app-header .navbar { padding-top: 0; padding-bottom: 0; }

.brand {
    display: flex;
    align-items: center;
    gap: 0.9rem;
    padding: 0.7rem 0;
    margin-right: 1.5rem;
    text-decoration: none;
}

.brand img { height: 30px; width: auto; display: block; }

.brand-name {
    border-left: 1px solid var(--line);
    padding-left: 0.9rem;
    color: var(--ink);
    font-family: "Montserrat", sans-serif;
    font-weight: 600;
    font-size: 1rem;
    line-height: 1.15;
}

.brand-name small {
    display: block;
    font-family: "Montserrat", sans-serif;
    font-weight: 400;
    font-size: 0.78rem;
    color: var(--muted);
}

.app-header .nav-link {
    color: #333333;
    font-weight: 500;
    font-size: 0.85rem;
    padding: 1.15rem 0.85rem !important;
    border-bottom: 3px solid transparent;
    margin-bottom: -2px;
}

.app-header .nav-link:hover,
.app-header .nav-link:focus { color: var(--ink); }

.app-header .nav-link.active {
    color: var(--ink);
    border-bottom-color: var(--senai-red);
}

.app-header .dropdown-menu {
    border-color: var(--line);
    border-radius: var(--bs-border-radius);
    box-shadow: 0 6px 18px rgba(31, 41, 51, 0.08);
    padding: 0.35rem 0;
}

.app-header .dropdown-item { padding: 0.45rem 1rem; }
.app-header .dropdown-item.active,
.app-header .dropdown-item:active { background: var(--senai-red-soft); color: var(--ink); }

.user-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
}

.user-avatar {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: var(--ink);
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 600;
}

.navbar-toggler { border-color: var(--line); }
.navbar-toggler:focus { box-shadow: 0 0 0 0.2rem var(--bs-focus-ring-color); }

@media (max-width: 991.98px) {
    .app-header .nav-link { padding: 0.6rem 0.25rem !important; border-bottom: 0; }
    .app-header .nav-link.active { color: var(--senai-red-dark); }
    .app-header .navbar-collapse { padding-bottom: 0.75rem; }
    .brand-name small { display: none; }
}

@media (max-width: 575.98px) {
    .brand img { height: 24px; }
    .brand-name { font-size: 0.9rem; }
}

/* ----- Rodapé ------------------------------------------------------------- */

.app-footer, .senai-footer {
    flex-shrink: 0;
    margin-top: 3rem;
    font-size: 0.8rem;
}

.app-footer {
    background: var(--senai-wine);
    color: rgba(255, 255, 255, 0.85);
    border-top: 6px solid var(--senai-red);
    padding: 1rem 0;
}

.senai-footer-band {
    background: var(--senai-red);
    color: #fff;
    font-weight: 600;
    padding: 0.75rem 0;
}

.senai-footer-base {
    border-top: 6px solid var(--senai-red);
    background: var(--senai-wine);
    color: rgba(255, 255, 255, 0.85);
    padding: 1rem 0;
}

/* ----- Cabeçalho de página ----------------------------------------------- */

.page-header {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.page-header h1 { margin: 0; }
.page-header p { margin: 0.25rem 0 0; color: var(--muted); }

/* Ícones decorativos em títulos de página e cartões ficam ocultos:
   o texto já diz o que é. Ícones de ação em botões permanecem. */
main h1 > i.fas, main h1 > i.fa,
main h2 > i.fas, main h2 > i.fa,
.card-title > i.fas, .card-title > i.fa,
.card-header h5 > i.fas, .card-header h6 > i.fas,
.modal-title > i.fas { display: none; }

/* ----- Cartões ------------------------------------------------------------ */

.card {
    border: 1px solid var(--line);
    border-radius: var(--bs-border-radius-lg);
    box-shadow: none;
    background: var(--surface);
}

.card-header {
    background: var(--surface);
    border-bottom: 1px solid var(--line);
    padding: 0.85rem 1.15rem;
}

.card-header .card-title,
.card-header h5,
.card-header h6 { margin-bottom: 0; font-size: 1.02rem; }

.card-body { padding: 1.15rem; }

.card-footer {
    background: var(--canvas);
    border-top: 1px solid var(--line);
}

/* Cabeçalhos coloridos herdados: ficam neutros com marcador lateral */
.card-header.bg-primary,
.card-header.bg-success,
.card-header.bg-info,
.card-header.bg-warning,
.card-header.bg-danger,
.card-header.bg-secondary,
.card-header.bg-dark {
    background: var(--surface) !important;
    color: var(--ink) !important;
    box-shadow: inset 4px 0 0 var(--accent, var(--ink));
}
.card-header.bg-primary { --accent: var(--senai-red); }
.card-header.bg-success { --accent: #198754; }
.card-header.bg-info { --accent: #0B7285; }
.card-header.bg-warning { --accent: #D9480F; }
.card-header.bg-danger { --accent: var(--senai-red); }
.card-header.bg-secondary,
.card-header.bg-dark { --accent: var(--ink-2); }
.card-header.text-white *,
.card-header.text-dark *,
.card-header[class*="bg-"] .text-white,
.modal-header[class*="bg-"] .text-white { color: var(--ink) !important; }

/* Cartões cheios de cor (indicadores antigos): viram cartões neutros */
.card.bg-primary, .card.bg-success, .card.bg-info,
.card.bg-warning, .card.bg-danger, .card.bg-secondary {
    background: var(--surface) !important;
    color: var(--ink) !important;
    border-left: 4px solid var(--accent, var(--ink));
}
.card.bg-primary { --accent: var(--senai-red); }
.card.bg-success { --accent: #198754; }
.card.bg-info { --accent: #0B7285; }
.card.bg-warning { --accent: #D9480F; }
.card.bg-danger { --accent: var(--senai-red); }
.card.text-white * { color: inherit; }

/* Sem efeitos de flutuação ou animações de entrada */
.hover-lift, .hover-lift:hover,
.dashboard-card:hover, .stats-card:hover,
.card:hover { transform: none !important; box-shadow: none !important; }
.fade-in { animation: none !important; }
.shadow, .shadow-sm, .shadow-lg { box-shadow: none !important; }
.bg-gradient { background-image: none !important; }

/* ----- Indicadores -------------------------------------------------------- */

.kpi-strip {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--bs-border-radius-lg);
    margin-bottom: 1.5rem;
}

.kpi {
    padding: 1rem 1.25rem;
    border-left: 1px solid var(--line);
}

.kpi:first-child { border-left: 0; }

.kpi-label {
    display: block;
    color: var(--muted);
    font-size: 0.85rem;
    margin-bottom: 0.15rem;
}

.kpi-value {
    font-family: "Montserrat", sans-serif;
    font-size: 2rem;
    font-weight: 600;
    line-height: 1.1;
    color: var(--ink);
    font-variant-numeric: tabular-nums;
}

.kpi-value { display: block; }
.kpi-note { display: block; font-size: 0.8rem; color: var(--muted); }
.kpi--alert .kpi-value { color: var(--senai-red-dark); }

@media (max-width: 767.98px) {
    .kpi-strip { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .kpi:nth-child(3) { border-left: 0; }
    .kpi:nth-child(n+3) { border-top: 1px solid var(--line); }
}

.stat-card {
    padding: 0.85rem 1rem;
    border: 1px solid var(--line);
    border-radius: var(--bs-border-radius);
    background: var(--surface);
    margin-bottom: 0.5rem;
}

.stat-card h3 { margin-bottom: 0.15rem; font-weight: 600; }

/* ----- Botões ------------------------------------------------------------- */

.btn {
    font-weight: 600;
    border-radius: 40px;
    padding-left: 1.1rem;
    padding-right: 1.1rem;
}
.btn-sm { padding-left: 0.8rem; padding-right: 0.8rem; }
.btn-group > .btn, .input-group > .btn { border-radius: 0; }
.btn-group > .btn:first-child { border-top-left-radius: 40px; border-bottom-left-radius: 40px; }
.btn-group > .btn:last-child, .btn-group > .dropdown-toggle-split { border-top-right-radius: 40px; border-bottom-right-radius: 40px; }
.btn-pill { text-transform: uppercase; letter-spacing: 0.03em; padding-top: 0.7rem; padding-bottom: 0.7rem; }

.btn-primary {
    --bs-btn-bg: var(--senai-red);
    --bs-btn-border-color: var(--senai-red);
    --bs-btn-hover-bg: var(--senai-red-dark);
    --bs-btn-hover-border-color: var(--senai-red-dark);
    --bs-btn-active-bg: #35383C;
    --bs-btn-active-border-color: #35383C;
    --bs-btn-disabled-bg: var(--senai-red);
    --bs-btn-disabled-border-color: var(--senai-red);
    --bs-btn-focus-shadow-rgb: 95, 99, 104;
}

.btn-outline-primary {
    --bs-btn-color: var(--senai-red-dark);
    --bs-btn-border-color: var(--senai-red);
    --bs-btn-hover-bg: var(--senai-red);
    --bs-btn-hover-border-color: var(--senai-red);
    --bs-btn-hover-color: #fff;
    --bs-btn-active-bg: var(--senai-red-dark);
    --bs-btn-active-border-color: var(--senai-red-dark);
    --bs-btn-focus-shadow-rgb: 95, 99, 104;
}

.btn-secondary {
    --bs-btn-bg: var(--ink);
    --bs-btn-border-color: var(--ink);
    --bs-btn-hover-bg: #111922;
    --bs-btn-hover-border-color: #111922;
    --bs-btn-active-bg: #111922;
}

.btn-outline-secondary {
    --bs-btn-bg: var(--surface);
    --bs-btn-color: var(--ink-2);
    --bs-btn-border-color: var(--line);
    --bs-btn-hover-bg: var(--canvas);
    --bs-btn-hover-color: var(--ink);
    --bs-btn-hover-border-color: #B9C1CC;
    --bs-btn-active-bg: var(--line-soft);
    --bs-btn-active-color: var(--ink);
    --bs-btn-active-border-color: #B9C1CC;
}

.btn-info, .btn-outline-info { --bs-btn-color: #0B7285; --bs-btn-border-color: #0B7285; }
.btn-info { --bs-btn-bg: #0B7285; --bs-btn-color: #fff; --bs-btn-hover-bg: #095C6B; --bs-btn-hover-border-color: #095C6B; --bs-btn-hover-color: #fff; }
.btn-outline-info { --bs-btn-hover-bg: #0B7285; --bs-btn-hover-border-color: #0B7285; --bs-btn-hover-color: #fff; }

.btn-warning { --bs-btn-color: var(--ink); }

.btn-group-sm .btn { margin: 0; }

/* ----- Formulários -------------------------------------------------------- */

.form-label { font-weight: 500; color: var(--ink-2); margin-bottom: 0.3rem; }

.form-control, .form-select {
    border-color: var(--line);
    background-color: var(--surface);
}

.form-control:focus, .form-select:focus {
    background-color: var(--surface);
    border-color: var(--senai-red);
    box-shadow: 0 0 0 0.2rem var(--bs-focus-ring-color);
}

.form-check-input { border: 1.5px solid #8A96A3; }
.form-check-input:checked {
    background-color: var(--senai-red);
    border-color: var(--senai-red);
}

.form-check-input:focus { box-shadow: 0 0 0 0.2rem var(--bs-focus-ring-color); border-color: var(--senai-red); }

.input-group-text { background: var(--canvas); border-color: var(--line); color: var(--muted); }

/* ----- Tabelas ------------------------------------------------------------ */

.table {
    --bs-table-bg: transparent;
    --bs-table-striped-bg: #F8F9FB;
    --bs-table-hover-bg: #F1F3F6;
    --bs-table-border-color: var(--line-soft);
    margin-bottom: 0;
}

.table > thead th {
    color: var(--muted);
    font-weight: 600;
    font-size: 0.85rem;
    border-bottom: 1px solid var(--line);
    background: var(--surface);
    white-space: nowrap;
}

.table > :not(caption) > * > * { padding: 0.65rem 0.75rem; vertical-align: middle; }

.table-dark {
    --bs-table-bg: var(--canvas);
    --bs-table-color: var(--ink);
    --bs-table-border-color: var(--line);
}

.table-bordered th, .table-bordered td { border-width: 1px; }

.table-bordered thead th {
    background-color: var(--canvas);
    color: var(--ink-2);
    text-align: center;
}

.table input[type="radio"] { transform: scale(1.15); margin: 0; }

.table-success { --bs-table-bg: #EAF6EF; --bs-table-color: var(--ink); }
.table-danger  { --bs-table-bg: #EDEEF0; --bs-table-color: var(--ink); }
.table-warning { --bs-table-bg: #FFF4E5; --bs-table-color: var(--ink); }

code { color: var(--ink-2); font-size: 0.875em; }
.text-center > .fa-3x, .card-body > .fa-3x:first-child { display: none; }

/* Sem vermelho: tons de perigo/erro do Bootstrap também em cinza */
:root {
    --bs-danger: #45494E;
    --bs-danger-rgb: 69, 73, 78;
    --bs-danger-text-emphasis: #2E3134;
    --bs-danger-bg-subtle: #EDEEF0;
    --bs-danger-border-subtle: #C9CCD0;
    --bs-form-invalid-color: #45494E;
    --bs-form-invalid-border-color: #45494E;
}
.text-danger { color: #45494E !important; }
.bg-danger, .badge.bg-danger { background-color: #45494E !important; }
.border-danger { border-color: #45494E !important; }
.btn-danger {
    --bs-btn-bg: #45494E; --bs-btn-border-color: #45494E;
    --bs-btn-hover-bg: #2E3134; --bs-btn-hover-border-color: #2E3134;
    --bs-btn-active-bg: #2E3134; --bs-btn-active-border-color: #2E3134;
}
.btn-outline-danger {
    --bs-btn-color: #45494E; --bs-btn-border-color: #8A8F95;
    --bs-btn-hover-bg: #45494E; --bs-btn-hover-border-color: #45494E; --bs-btn-hover-color: #fff;
    --bs-btn-active-bg: #2E3134; --bs-btn-active-border-color: #2E3134;
}
.table-danger { --bs-table-bg: #EDEEF0; }

/* ----- Selos, alertas, progresso ----------------------------------------- */

.badge { font-weight: 500; font-size: 0.78em; padding: 0.38em 0.6em; border-radius: 4px; }
.badge.bg-primary { background-color: var(--senai-red) !important; }
.badge.bg-warning { color: var(--ink) !important; }
.badge.bg-info { background-color: #0B7285 !important; color: #fff !important; }
.badge.bg-secondary { background-color: #6B7785 !important; }

.alert {
    border-radius: var(--bs-border-radius);
    border-width: 1px;
    border-left-width: 4px;
}
.alert-info { --bs-alert-bg: #EAF4F6; --bs-alert-border-color: #0B7285; --bs-alert-color: #0A4F5C; }
.alert-primary { --bs-alert-bg: var(--senai-red-soft); --bs-alert-border-color: var(--senai-red); --bs-alert-color: #2E3134; }
.alert-danger { --bs-alert-bg: var(--senai-red-soft); --bs-alert-border-color: var(--senai-red); --bs-alert-color: #2E3134; }
.alert-light { --bs-alert-bg: var(--canvas); --bs-alert-border-color: var(--line); --bs-alert-color: var(--ink); }

.progress { height: 8px; border-radius: 4px; background-color: var(--line-soft); }
.progress-bar { transition: width 0.3s ease; }
.progress-bar.bg-primary { background-color: var(--senai-red) !important; }
.progress-bar.bg-info { background-color: #0B7285 !important; }

.text-primary { color: var(--senai-red-dark) !important; }
.text-info { color: #0B7285 !important; }
.text-warning { color: #B54708 !important; }
.bg-primary { background-color: var(--senai-red) !important; }

/* ----- Modais ------------------------------------------------------------- */

.modal-content { background: var(--surface); border: 1px solid var(--line); border-radius: var(--bs-border-radius-lg); box-shadow: 0 16px 40px rgba(31, 41, 51, 0.18); }
.modal-header { border-bottom: 1px solid var(--line); }
.modal-footer { border-top: 1px solid var(--line); background: var(--canvas); }
.modal-header.bg-primary, .modal-header.bg-danger, .modal-header.bg-success,
.modal-header.bg-warning, .modal-header.bg-info {
    background: var(--surface) !important;
    color: var(--ink) !important;
    box-shadow: inset 0 3px 0 var(--senai-red);
}
.modal-header.text-white .btn-close-white { filter: none; }

/* ----- Estado vazio ------------------------------------------------------- */

.empty-state { padding: 2rem 1rem; text-align: center; color: var(--muted); }
.empty-state p { margin-bottom: 0.75rem; }
.fa-3x.text-muted, .fa-4x.text-muted { font-size: 1.75rem; opacity: 0.6; }

/* ----- Assinatura --------------------------------------------------------- */

.signature-box {
    border: 1px dashed #AEB7C2;
    border-radius: var(--bs-border-radius);
    min-height: 100px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background-color: #fff;
    color: #000 !important;
}

.signature-box * { color: #000 !important; }
.signature-box:hover { border-color: var(--senai-red); }

/* ----- Login -------------------------------------------------------------- */

.login-body { background: var(--canvas); }

.login-header {
    background: var(--surface);
    border-bottom: 2px solid var(--senai-red);
    padding: 0.9rem 0;
}

.login-header-logo { height: 34px; width: auto; display: block; }

.login-header-title {
    font-weight: 600;
    font-size: 0.85rem;
    color: #333333;
}

.login-stage {
    flex: 1 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 3rem 1rem;
}

.login-card {
    width: 100%;
    max-width: 420px;
    background: var(--surface);
    border-radius: 12px;
    border-top: 6px solid var(--senai-red);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    padding: 2.25rem 2rem 2rem;
}

.login-card-head { margin-bottom: 1.5rem; }

.login-card-head h1 {
    font-size: 1.45rem;
    font-weight: 800;
    margin: 0 0 0.4rem;
}

.login-card-head p { color: var(--muted); margin: 0; font-size: 0.875rem; line-height: 1.5; }

.login-card .form-control { padding: 0.7rem 0.9rem; }

.login-card .btn-toggle-pass {
    border-color: var(--line);
    font-size: 0.8rem;
    font-weight: 600;
    border-top-right-radius: var(--bs-border-radius) !important;
    border-bottom-right-radius: var(--bs-border-radius) !important;
}

.login-help {
    margin: 1.5rem 0 0;
    font-size: 0.8rem;
    color: var(--muted);
    text-align: center;
}

.login-body .senai-footer { margin-top: 0; }

@media (max-width: 575.98px) {
    .login-header-title { display: none; }
    .login-card { padding: 1.75rem 1.25rem; }
    .login-stage { padding: 2rem 1rem; }
}

/* ----- Utilidades herdadas ----------------------------------------------- */

.loading { opacity: 0.6; pointer-events: none; }

.skip-to-content {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--ink);
    color: #fff;
    padding: 8px 12px;
    text-decoration: none;
    border-radius: 4px;
    z-index: 2000;
}
.skip-to-content:focus { top: 6px; color: #fff; }

:focus-visible { outline: 2px solid var(--senai-red); outline-offset: 2px; }
.btn:focus-visible, .form-control:focus-visible, .form-select:focus-visible { outline: none; }

@media (max-width: 768px) {
    .table-responsive { font-size: 0.875rem; }
    .btn-group-sm .btn { padding: 0.25rem 0.45rem; }
}

@media print {
    .app-header, .app-footer, .btn, .modal, .alert { display: none !important; }
    body { background: #fff; }
    .card { border: 1px solid #000 !important; break-inside: avoid; }
    .table-bordered th, .table-bordered td { border: 1px solid #000 !important; }
    .signature-box { border: 1px solid #000 !important; }
    .badge { border: 1px solid #000; color: #000 !important; background: transparent !important; }
}

@media (prefers-reduced-motion: reduce) {
    *, ::before, ::after {
        animation-duration: 1ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0s !important;
        scroll-behavior: auto !important;
    }
}

.footer-notice {
    max-width: 90ch;
    margin: 0 0 0.9rem;
    font-size: 0.75rem;
    line-height: 1.5;
    color: rgba(255, 255, 255, 0.8);
}
.footer-notice strong { color: #fff; font-weight: 600; }