/* ============================================================================
   KVault — Design system (tema escuro, assets 100% locais)
   Paleta: fundo azul-noite profundo, superfícies em vidro, acento índigo→ciano.
   ============================================================================ */

:root,
[data-bs-theme="dark"] {
    --kv-bg: #070b16;
    --kv-bg-2: #0b1120;
    --kv-surface: rgba(15, 23, 42, .72);
    --kv-surface-solid: #0f172a;
    --kv-border: rgba(148, 163, 184, .14);
    --kv-border-forte: rgba(148, 163, 184, .28);
    --kv-texto: #e2e8f0;
    --kv-texto-suave: #94a3b8;
    --kv-acento: #6366f1;
    --kv-acento-2: #22d3ee;
    --kv-verde: #34d399;
    --kv-ambar: #fbbf24;
    --kv-vermelho: #f87171;
    --kv-raio: 1rem;
    --kv-fonte: ui-sans-serif, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

    --bs-body-bg: var(--kv-bg);
    --bs-body-color: var(--kv-texto);
    --bs-border-color: var(--kv-border);
}

html {
    font-size: 15px;
}

body {
    font-family: var(--kv-fonte);
    background-color: var(--kv-bg);
    /* Glows sutis fixos ao fundo, marca visual do produto. */
    background-image:
        radial-gradient(60rem 32rem at 85% -10%, rgba(99, 102, 241, .16), transparent 60%),
        radial-gradient(50rem 28rem at -10% 30%, rgba(34, 211, 238, .10), transparent 60%),
        radial-gradient(40rem 24rem at 50% 110%, rgba(99, 102, 241, .08), transparent 60%);
    background-attachment: fixed;
}

::selection {
    background: rgba(99, 102, 241, .45);
    color: #fff;
}

/* ------------------------------------------------------------------ Navbar */

.kv-navbar {
    background: rgba(7, 11, 22, .75);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--kv-border);
}

.kv-navbar .navbar-brand {
    font-weight: 700;
    letter-spacing: .02em;
    display: flex;
    align-items: center;
    gap: .55rem;
}

.kv-navbar .nav-link {
    color: var(--kv-texto-suave);
    border-radius: .6rem;
    padding: .45rem .9rem;
    transition: color .15s ease, background-color .15s ease;
}

.kv-navbar .nav-link:hover {
    color: var(--kv-texto);
    background: rgba(148, 163, 184, .08);
}

.kv-navbar .nav-link.active {
    color: #fff;
    background: rgba(99, 102, 241, .18);
}

/* Logotipo (escudo em gradiente) */
.kv-logo {
    width: 30px;
    height: 30px;
    flex-shrink: 0;
    filter: drop-shadow(0 0 10px rgba(99, 102, 241, .45));
}

/* Avatar com iniciais do usuário */
.kv-avatar {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: .8rem;
    font-weight: 700;
    color: #fff;
    background: linear-gradient(135deg, var(--kv-acento), #8b5cf6);
    border: 1px solid rgba(255, 255, 255, .18);
}

/* ------------------------------------------------------------------ App shell (autenticado) */

.kv-shell {
    min-height: 100vh;
}

.kv-sidebar {
    --bs-offcanvas-width: 264px;
    --bs-offcanvas-bg: #0a101f;
    width: 264px;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    background: rgba(8, 13, 26, .85);
    border-right: 1px solid var(--kv-border);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
}

@media (min-width: 992px) {
    .kv-sidebar {
        position: sticky;
        top: 0;
        height: 100vh;
        overflow-y: auto;
    }
}

.kv-sidebar-topo {
    padding: 1.1rem 1.25rem;
    border-bottom: 1px solid var(--kv-border);
}

.kv-sidebar-topo .navbar-brand {
    font-weight: 700;
    letter-spacing: .02em;
    color: var(--kv-texto);
}

.kv-sidebar-secao {
    padding: 1.1rem 1.25rem .4rem;
    font-size: .7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .12em;
    color: var(--kv-texto-suave);
}

.kv-sidebar .nav-link {
    display: flex;
    align-items: center;
    gap: .65rem;
    margin: .1rem .75rem;
    padding: .6rem .8rem;
    border-radius: .7rem;
    color: var(--kv-texto-suave);
    font-weight: 500;
    transition: color .15s ease, background-color .15s ease;
}

.kv-sidebar .nav-link:hover {
    color: var(--kv-texto);
    background: rgba(148, 163, 184, .08);
}

.kv-sidebar .nav-link.active {
    color: #fff;
    background: linear-gradient(90deg, rgba(99, 102, 241, .22), rgba(99, 102, 241, .08));
    box-shadow: inset 3px 0 0 var(--kv-acento);
}

.kv-sidebar-rodape {
    padding: 1rem 1.25rem 1.25rem;
    border-top: 1px solid var(--kv-border);
}

/* Botões usados como nav-link dentro da sidebar (filtros do cofre) */
.kv-sidebar button.nav-link {
    border: 0;
    background: transparent;
    width: calc(100% - 1.5rem);
    text-align: left;
}

/* Botão discreto de ação nos títulos de seção (ex.: nova categoria) */
.kv-botao-discreto {
    border: 1px solid var(--kv-border-forte);
    background: transparent;
    color: var(--kv-texto-suave);
    border-radius: .45rem;
    width: 22px;
    height: 22px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: color .15s ease, border-color .15s ease;
}

.kv-botao-discreto:hover {
    color: var(--kv-texto);
    border-color: var(--kv-acento);
}

/* Itens de categoria na sidebar (com ações no hover) */
.kv-cat-item {
    display: flex;
    align-items: center;
    margin: .1rem .75rem;
    border-radius: .7rem;
    color: var(--kv-texto-suave);
    transition: color .15s ease, background-color .15s ease;
}

.kv-cat-item:hover,
.kv-cat-item:focus-within {
    color: var(--kv-texto);
    background: rgba(148, 163, 184, .08);
}

.kv-cat-item.active {
    color: #fff;
    background: linear-gradient(90deg, rgba(99, 102, 241, .22), rgba(99, 102, 241, .08));
    box-shadow: inset 3px 0 0 var(--kv-acento);
}

.kv-cat-botao {
    flex: 1;
    min-width: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: .5rem;
    padding: .5rem .8rem;
    background: none;
    border: 0;
    color: inherit;
    font-weight: 500;
    text-align: left;
}

.kv-cat-qtd {
    font-size: .72rem;
    font-weight: 600;
    background: rgba(148, 163, 184, .15);
    border-radius: 999px;
    padding: .1rem .5rem;
    flex-shrink: 0;
}

.kv-cat-acoes {
    display: flex;
    gap: .4rem;
    padding-right: .7rem;
    opacity: 0;
    transition: opacity .15s ease;
}

.kv-cat-item:hover .kv-cat-acoes,
.kv-cat-item:focus-within .kv-cat-acoes {
    opacity: 1;
}

.kv-cat-acoes button {
    background: none;
    border: 0;
    padding: 0;
    color: var(--kv-texto-suave);
    line-height: 1;
}

.kv-cat-acoes button:hover {
    color: var(--kv-texto);
}

.kv-cat-acoes button.text-danger:hover {
    color: var(--kv-vermelho) !important;
}

.kv-sidebar-vazio {
    padding: .35rem 1.55rem .5rem;
    color: var(--kv-texto-suave);
    font-size: .85rem;
}

.kv-topbar {
    position: sticky;
    top: 0;
    z-index: 1020;
    min-height: 60px;
    background: rgba(7, 11, 22, .78);
    border-bottom: 1px solid var(--kv-border);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
}

.kv-conteudo {
    max-width: 1400px;
    width: 100%;
}

/* ------------------------------------------------------------------ Cards */

.card {
    background: var(--kv-surface);
    border: 1px solid var(--kv-border);
    border-radius: var(--kv-raio);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 8px 30px rgba(2, 6, 23, .45);
}

.card-header,
.card-footer {
    background: transparent;
    border-color: var(--kv-border);
}

.card-header {
    padding-top: .9rem;
    padding-bottom: .9rem;
    font-weight: 600;
}

/* Cartão de estatística do painel */
.kv-stat {
    display: flex;
    align-items: center;
    gap: .9rem;
    padding: 1rem 1.1rem;
}

.kv-stat .kv-stat-icone {
    width: 42px;
    height: 42px;
    border-radius: .8rem;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.kv-stat .kv-stat-valor {
    font-size: 1.45rem;
    font-weight: 700;
    line-height: 1.1;
}

.kv-stat .kv-stat-rotulo {
    font-size: .78rem;
    color: var(--kv-texto-suave);
    text-transform: uppercase;
    letter-spacing: .06em;
}

.kv-icone-indigo  { background: rgba(99, 102, 241, .16);  color: #a5b4fc; }
.kv-icone-ciano   { background: rgba(34, 211, 238, .14);  color: #67e8f9; }
.kv-icone-ambar   { background: rgba(251, 191, 36, .14);  color: #fcd34d; }
.kv-icone-verde   { background: rgba(52, 211, 153, .14);  color: #6ee7b7; }
.kv-icone-vermelho{ background: rgba(248, 113, 113, .14); color: #fca5a5; }

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

.btn {
    border-radius: .7rem;
    font-weight: 500;
}

.btn-primary {
    --bs-btn-bg: var(--kv-acento);
    --bs-btn-border-color: transparent;
    --bs-btn-hover-bg: #5558e6;
    --bs-btn-hover-border-color: transparent;
    --bs-btn-active-bg: #4f46e5;
    background-image: linear-gradient(135deg, #6366f1, #7c5cf6);
    box-shadow: 0 4px 18px rgba(99, 102, 241, .35);
}

.btn-primary:hover {
    background-image: linear-gradient(135deg, #5558e6, #6d4fe0);
    box-shadow: 0 6px 22px rgba(99, 102, 241, .45);
}

.kv-btn-cta {
    padding: .75rem 1.6rem;
    border-radius: 999px;
    font-size: 1.05rem;
}

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

.form-control,
.form-select {
    background-color: rgba(2, 6, 23, .55);
    border-color: var(--kv-border-forte);
    border-radius: .7rem;
    color: var(--kv-texto);
    padding: .55rem .85rem;
}

.form-control:focus,
.form-select:focus {
    background-color: rgba(2, 6, 23, .75);
    border-color: var(--kv-acento);
    box-shadow: 0 0 0 .2rem rgba(99, 102, 241, .22);
    color: #fff;
}

.form-control::placeholder {
    color: rgba(148, 163, 184, .55);
}

.form-label {
    color: var(--kv-texto-suave);
    font-size: .85rem;
    font-weight: 600;
    letter-spacing: .02em;
}

.input-group .btn {
    border-color: var(--kv-border-forte);
}

/* Campo de código 2FA (6 dígitos) */
.kv-codigo {
    font-size: 1.6rem;
    letter-spacing: .55em;
    text-align: center;
    font-variant-numeric: tabular-nums;
}

/* Código TOTP de site gerado no cofre */
.kv-codigo-site {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: .15em;
    color: var(--kv-acento-2);
}

/* Medidor de força de senha */
.kv-forca {
    height: 6px;
    border-radius: 999px;
    background: rgba(148, 163, 184, .15);
    overflow: hidden;
}

.kv-forca > div {
    height: 100%;
    width: 0;
    border-radius: 999px;
    transition: width .25s ease, background-color .25s ease;
}

/* ------------------------------------------------------------------ Tabelas e listas */

.table {
    --bs-table-bg: transparent;
    --bs-table-color: var(--kv-texto);
    --bs-table-border-color: var(--kv-border);
    --bs-table-hover-bg: rgba(99, 102, 241, .07);
    --bs-table-hover-color: var(--kv-texto);
}

.table thead th {
    color: var(--kv-texto-suave);
    font-size: .75rem;
    text-transform: uppercase;
    letter-spacing: .07em;
    border-bottom-width: 1px;
    background: rgba(2, 6, 23, .4) !important;
}

.list-group {
    --bs-list-group-bg: transparent;
    --bs-list-group-color: var(--kv-texto);
    --bs-list-group-border-color: var(--kv-border);
    --bs-list-group-action-hover-bg: rgba(99, 102, 241, .09);
    --bs-list-group-action-hover-color: var(--kv-texto);
}

.list-group-item.active {
    background: rgba(99, 102, 241, .2);
    border-color: rgba(99, 102, 241, .35);
    color: #fff;
}

/* Chip do tipo de entrada na lista do cofre */
.kv-tipo {
    width: 40px;
    height: 40px;
    border-radius: .75rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.05rem;
}

/* Linha de entrada: ações aparecem no hover em telas largas */
@media (min-width: 992px) {
    .kv-linha-acoes {
        opacity: 0;
        transition: opacity .15s ease;
    }

    tr:hover .kv-linha-acoes,
    tr:focus-within .kv-linha-acoes {
        opacity: 1;
    }
}

/* ------------------------------------------------------------------ Abas (nav-tabs) */

.kv-tabs {
    border-bottom: 1px solid var(--kv-border);
    gap: .25rem;
}

.kv-tabs .nav-link {
    color: var(--kv-texto-suave);
    background: transparent;
    border: 0;
    border-bottom: 2px solid transparent;
    border-radius: .5rem .5rem 0 0;
    padding: .6rem 1rem;
    font-weight: 500;
    transition: color .15s ease, background-color .15s ease, border-color .15s ease;
}

.kv-tabs .nav-link:hover {
    color: var(--kv-texto);
    background: rgba(148, 163, 184, .06);
    border-bottom-color: var(--kv-border-forte);
}

.kv-tabs .nav-link.active {
    color: #fff;
    background: transparent;
    border-bottom-color: var(--kv-acento);
}

/* ------------------------------------------------------------------ Badges e modais */

.badge {
    font-weight: 600;
    letter-spacing: .02em;
    border-radius: .5rem;
}

.modal-content {
    background: rgba(11, 17, 32, .96);
    border: 1px solid var(--kv-border-forte);
    border-radius: 1.1rem;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
}

.modal-header,
.modal-footer {
    border-color: var(--kv-border);
}

.modal-backdrop.show {
    opacity: .7;
}

/* ------------------------------------------------------------------ Telas de acesso (login / primeiro acesso) */

.kv-acesso {
    min-height: calc(100vh - 220px);
    display: flex;
    align-items: center;
    justify-content: center;
}

.kv-acesso .card {
    border-color: var(--kv-border-forte);
    box-shadow: 0 20px 60px rgba(2, 6, 23, .6), 0 0 0 1px rgba(99, 102, 241, .08);
}

/* ------------------------------------------------------------------ Landing page */

.kv-hero {
    padding: 5rem 0 4rem;
    text-align: center;
}

.kv-hero h1 {
    font-size: clamp(2.3rem, 5vw, 3.6rem);
    font-weight: 800;
    letter-spacing: -.02em;
    line-height: 1.12;
}

.kv-gradiente-texto {
    background: linear-gradient(90deg, #a5b4fc, #22d3ee);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.kv-hero .kv-sub {
    max-width: 620px;
    margin: 1.25rem auto 2rem;
    color: var(--kv-texto-suave);
    font-size: 1.15rem;
}

.kv-selo {
    display: inline-flex;
    align-items: center;
    gap: .45rem;
    padding: .4rem .9rem;
    border-radius: 999px;
    border: 1px solid var(--kv-border-forte);
    background: rgba(15, 23, 42, .6);
    color: var(--kv-texto-suave);
    font-size: .82rem;
    font-weight: 600;
}

.kv-recurso {
    height: 100%;
    padding: 1.5rem;
    transition: transform .18s ease, border-color .18s ease;
}

.kv-recurso:hover {
    transform: translateY(-4px);
    border-color: rgba(99, 102, 241, .45);
}

.kv-recurso .kv-recurso-icone {
    width: 46px;
    height: 46px;
    border-radius: .85rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
}

.kv-recurso h3 {
    font-size: 1.05rem;
    font-weight: 700;
}

.kv-recurso p {
    color: var(--kv-texto-suave);
    font-size: .92rem;
    margin-bottom: 0;
}

/* Painel de especificações criptográficas da landing */
.kv-spec {
    display: flex;
    align-items: flex-start;
    gap: .8rem;
    padding: .9rem 0;
    border-bottom: 1px dashed var(--kv-border);
}

.kv-spec:last-child {
    border-bottom: 0;
}

.kv-spec code {
    color: var(--kv-acento-2);
    background: rgba(34, 211, 238, .08);
    padding: .1rem .45rem;
    border-radius: .4rem;
}

/* Animação sutil de entrada */
@keyframes kv-subir {
    from { opacity: 0; transform: translateY(14px); }
    to   { opacity: 1; transform: translateY(0); }
}

.kv-animar {
    animation: kv-subir .5s ease both;
}

.kv-animar-1 { animation-delay: .06s; }
.kv-animar-2 { animation-delay: .14s; }
.kv-animar-3 { animation-delay: .22s; }

@media (prefers-reduced-motion: reduce) {
    .kv-animar, .kv-animar-1, .kv-animar-2, .kv-animar-3 {
        animation: none;
    }

    .kv-recurso:hover {
        transform: none;
    }
}

/* ------------------------------------------------------------------ Diversos */

.kv-rodape {
    border-top: 1px solid var(--kv-border);
    color: var(--kv-texto-suave);
    background: rgba(7, 11, 22, .6);
}

.kv-vazio {
    padding: 3.5rem 1rem;
    text-align: center;
    color: var(--kv-texto-suave);
}

.kv-vazio svg {
    opacity: .5;
    margin-bottom: 1rem;
}

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

hr {
    border-color: var(--kv-border-forte);
    opacity: 1;
}

pre {
    color: var(--kv-texto);
    background: rgba(2, 6, 23, .6);
    border: 1px solid var(--kv-border);
    border-radius: .6rem;
    padding: .8rem;
}

.toast {
    border-radius: .8rem;
}

a {
    color: #a5b4fc;
}

a:hover {
    color: #c7d2fe;
}