/* ==========================================================================
   Assinatura Eletrônica — camada visual complementar ao Bootstrap 5.
   Objetivo: identidade visual consistente, hierarquia clara e boa
   responsividade, sem depender de nenhum framework/CSS adicional além do
   Bootstrap já carregado via CDN.
   ========================================================================== */

:root {
    --app-primary: #2f5fdc;
    --app-primary-dark: #23459f;
    --app-primary-soft: #eaf0ff;
    --app-ink: #1c2333;
    --app-muted: #6b7385;
    --app-bg: #f4f6fb;
    --app-border: #e6e9f2;
    --app-sidebar-bg: #14192b;
    --app-sidebar-ink: #aab1c8;
    --app-sidebar-ink-active: #ffffff;
    --app-admin-accent: #0f766e;
    --sidebar-width: 264px;
    --topbar-height: 64px;
}

body {
    background-color: var(--app-bg);
    color: var(--app-ink);
    font-size: 0.9375rem;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    color: var(--app-ink);
    font-weight: 600;
}

a {
    text-decoration: none;
}

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

/* --------------------------------------------------------------------
   Tela de visitante (login/cadastro/recuperação de senha)
   -------------------------------------------------------------------- */
.guest-bg {
    min-height: 100vh;
    background:
        radial-gradient(circle at 15% 15%, rgba(255, 255, 255, 0.08), transparent 45%),
        radial-gradient(circle at 85% 85%, rgba(255, 255, 255, 0.06), transparent 40%),
        linear-gradient(135deg, var(--app-primary) 0%, var(--app-primary-dark) 100%);
}

.guest-brand-mark {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.15);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: #fff;
    backdrop-filter: blur(4px);
}

/* --------------------------------------------------------------------
   Layout autenticado: topbar + sidebar
   -------------------------------------------------------------------- */
.app-topbar {
    height: var(--topbar-height);
    background: #ffffff;
    border-bottom: 1px solid var(--app-border);
    box-shadow: 0 1px 2px rgba(16, 24, 40, 0.04);
    z-index: 1030;
}

.app-topbar .navbar-brand {
    font-weight: 700;
    color: var(--app-ink);
    letter-spacing: 0.1px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.app-topbar .navbar-brand .brand-icon {
    width: 34px;
    height: 34px;
    border-radius: 9px;
    background: var(--app-primary);
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
}

.avatar-circle {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--app-primary-soft);
    color: var(--app-primary-dark);
    font-weight: 700;
    font-size: 0.85rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.app-shell {
    display: flex;
    min-height: calc(100vh - var(--topbar-height));
}

.app-sidebar {
    width: var(--sidebar-width);
    flex-shrink: 0;
    background: var(--app-sidebar-bg);
}

.app-sidebar .offcanvas-body {
    padding: 1.25rem 0.9rem;
}

.sidebar-section-label {
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #616a86;
    padding: 0.9rem 0.75rem 0.35rem;
}

.app-sidebar .nav-link {
    color: var(--app-sidebar-ink);
    border-radius: 0.55rem;
    padding: 0.55rem 0.75rem;
    margin-bottom: 2px;
    font-size: 0.89rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.65rem;
    transition: background-color 0.12s ease, color 0.12s ease;
}

.app-sidebar .nav-link i {
    font-size: 1.05rem;
    width: 1.1rem;
    text-align: center;
    opacity: 0.85;
}

.app-sidebar .nav-link:hover {
    background: rgba(255, 255, 255, 0.06);
    color: #fff;
}

.app-sidebar .nav-link.active {
    background: var(--app-primary);
    color: var(--app-sidebar-ink-active);
    box-shadow: 0 2px 8px rgba(47, 95, 220, 0.35);
}

.app-sidebar .nav-link.active i {
    opacity: 1;
}

.app-sidebar hr {
    border-color: rgba(255, 255, 255, 0.08);
    margin: 0.6rem 0.4rem;
}

/* Variante do painel administrativo — mesma estrutura, cor de destaque
   diferente para deixar claro (sem ambiguidade) que a pessoa está fora
   da área comum do sistema. */
.app-sidebar.is-admin .nav-link.active {
    background: var(--app-admin-accent);
    box-shadow: 0 2px 8px rgba(15, 118, 110, 0.35);
}

.app-main {
    flex: 1 1 auto;
    min-width: 0;
    padding: 1.75rem 1.5rem 3rem;
}

@media (max-width: 991.98px) {
    .app-main {
        padding: 1.25rem 1rem 2.5rem;
    }
}

.page-header {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.page-header h1 {
    font-size: 1.35rem;
    margin-bottom: 0.15rem;
}

.page-header .page-subtitle {
    color: var(--app-muted);
    font-size: 0.875rem;
}

/* --------------------------------------------------------------------
   Cartões, tabelas, formulários
   -------------------------------------------------------------------- */
.card {
    border: 1px solid var(--app-border);
    border-radius: 0.85rem;
}

.card.shadow-sm {
    box-shadow: 0 1px 3px rgba(16, 24, 40, 0.06) !important;
}

.stat-card {
    position: relative;
    overflow: hidden;
}

.stat-card .stat-icon {
    width: 44px;
    height: 44px;
    border-radius: 0.7rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    background: var(--app-primary-soft);
    color: var(--app-primary-dark);
}

.stat-card .stat-value {
    font-size: 1.65rem;
    font-weight: 700;
    line-height: 1.2;
}

.stat-card .stat-label {
    color: var(--app-muted);
    font-size: 0.82rem;
    font-weight: 500;
}

.badge {
    font-weight: 600;
    letter-spacing: 0.01em;
    padding: 0.4em 0.65em;
}

.table {
    font-size: 0.89rem;
}

.table thead th {
    text-transform: uppercase;
    font-size: 0.72rem;
    letter-spacing: 0.04em;
    color: var(--app-muted);
    font-weight: 700;
    border-bottom-width: 1px;
    background-color: #fafbfd;
}

.table > :not(caption) > * > * {
    padding: 0.75rem 0.9rem;
}

.table-hover > tbody > tr:hover > * {
    background-color: var(--app-primary-soft);
}

.btn {
    font-weight: 500;
    border-radius: 0.55rem;
}

.btn-primary {
    background-color: var(--app-primary);
    border-color: var(--app-primary);
}

.btn-primary:hover,
.btn-primary:focus {
    background-color: var(--app-primary-dark);
    border-color: var(--app-primary-dark);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--app-primary);
    box-shadow: 0 0 0 0.2rem rgba(47, 95, 220, 0.15);
}

.progress {
    border-radius: 999px;
    background-color: var(--app-border);
}

.progress-bar {
    border-radius: 999px;
}

.empty-state {
    text-align: center;
    padding: 2.5rem 1rem;
    color: var(--app-muted);
}

.empty-state i {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    display: block;
    opacity: 0.6;
}

.nav-tabs .nav-link {
    font-weight: 500;
    color: var(--app-muted);
}

.nav-tabs .nav-link.active {
    color: var(--app-primary-dark);
    font-weight: 600;
}