/* =============================================================
   CORVUS IA - Estilos Customizados
   Paleta: Azul Principal #1E3A8A | Azul Sec. #3B82F6 | Roxo #7C3AED | Grafite #2D3748
   ============================================================= */

:root {
    --corvus-azul-principal: #1E3A8A;
    --corvus-azul-secundario: #3B82F6;
    --corvus-roxo: #7C3AED;
    --corvus-grafite: #2D3748;
    --corvus-sidebar-width: 260px;
}

/* -------------------------------------------------------
   Navbar
   ------------------------------------------------------- */
.bg-primary-corvus {
    background-color: var(--corvus-azul-principal) !important;
}

/* -------------------------------------------------------
   Corvus IA - Cor roxa exclusiva
   ------------------------------------------------------- */
.text-corvus-ia {
    color: var(--corvus-roxo) !important;
}

.btn-corvus-ia {
    background-color: var(--corvus-roxo);
    border-color: var(--corvus-roxo);
    color: #fff;
}

.btn-corvus-ia:hover,
.btn-corvus-ia:focus {
    background-color: #6d28d9;
    border-color: #6d28d9;
    color: #fff;
}

.bg-corvus-ia {
    background-color: var(--corvus-roxo) !important;
}

/* -------------------------------------------------------
   Cards de Dashboard
   ------------------------------------------------------- */
.card-stat {
    border-left: 4px solid var(--corvus-azul-secundario);
    transition: transform .15s ease, box-shadow .15s ease;
}

.card-stat:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0,0,0,.12);
}

.card-stat .stat-icon {
    font-size: 2.5rem;
    color: var(--corvus-azul-secundario);
    opacity: .85;
}

/* -------------------------------------------------------
   Sidebar (painéis internos de disciplina)
   ------------------------------------------------------- */
.sidebar-disciplina {
    width: var(--corvus-sidebar-width);
    min-height: calc(100vh - 60px);
    background-color: var(--bs-body-bg);
    border-right: 1px solid var(--bs-border-color);
}

.sidebar-disciplina .nav-link {
    color: var(--bs-body-color);
    border-radius: .375rem;
    padding: .5rem 1rem;
    font-size: .925rem;
}

.sidebar-disciplina .nav-link.active,
.sidebar-disciplina .nav-link:hover {
    background-color: var(--corvus-azul-secundario);
    color: #fff;
}

.sidebar-disciplina .nav-link .bi {
    width: 1.25rem;
    text-align: center;
}

/* -------------------------------------------------------
   Modo Escuro
   ------------------------------------------------------- */
[data-bs-theme="dark"] .bg-primary-corvus {
    background-color: #111827 !important;
}

[data-bs-theme="dark"] .sidebar-disciplina {
    background-color: #1a202c;
    border-color: #2d3748;
}

[data-bs-theme="dark"] .card-stat {
    background-color: #1e293b;
}

/* -------------------------------------------------------
   Mascote Corvus - Animação de estado
   ------------------------------------------------------- */
#corvus-estado img {
    transition: transform .3s ease;
}

#corvus-estado img.analisando {
    animation: corvus-pulsar 1.2s infinite alternate;
}

@keyframes corvus-pulsar {
    from { transform: scale(1);   opacity: 1; }
    to   { transform: scale(1.1); opacity: .75; }
}

/* -------------------------------------------------------
   Badges de status de atividade
   ------------------------------------------------------- */
.badge-pendente   { background-color: #f59e0b; color: #fff; }
.badge-corrigida  { background-color: #10b981; color: #fff; }
.badge-dispensada { background-color: #6b7280; color: #fff; }

/* -------------------------------------------------------
   Responsividade geral
   ------------------------------------------------------- */
@media (max-width: 768px) {
    .sidebar-disciplina {
        width: 100%;
        min-height: auto;
        border-right: none;
        border-bottom: 1px solid var(--bs-border-color);
    }
}