:root {
    --wk-primary: #4f46e5;
    --wk-primary-600: #4338ca;
    --wk-primary-50: #eef2ff;
    --wk-accent: #06b6d4;
    --wk-success: #10b981;
    --wk-danger: #ef4444;
    --wk-bg: #f4f6fb;
    --wk-surface: #ffffff;
    --wk-border: #e7e9f2;
    --wk-text: #111827;
    --wk-muted: #6b7280;
    --wk-radius: 18px;
    --wk-shadow: 0 1px 2px rgba(16, 24, 40, .04), 0 10px 30px rgba(16, 24, 40, .06);
    --wk-shadow-lg: 0 20px 50px rgba(79, 70, 229, .18);

    --bs-body-font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    --bs-body-color: var(--wk-text);
    --bs-body-bg: var(--wk-bg);
    --bs-border-color: var(--wk-border);
    --bs-primary: var(--wk-primary);
    --bs-primary-rgb: 79, 70, 229;
    --bs-link-color: var(--wk-primary);
    --bs-link-hover-color: var(--wk-primary-600);
}

html { font-size: 15px; }
body {
    background:
        radial-gradient(1200px 600px at 100% -10%, rgba(99, 102, 241, .10), transparent 60%),
        radial-gradient(900px 500px at -10% 110%, rgba(6, 182, 212, .08), transparent 60%),
        var(--wk-bg);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

/* ---------- Loader de página (blur ao carregar) ---------- */
.wk-shell { transition: filter .45s ease, opacity .45s ease, transform .45s ease; min-height: 100vh; display: flex; flex-direction: column; }
body.is-loading .wk-shell { filter: blur(10px); opacity: .6; transform: scale(.995); pointer-events: none; }

.wk-loader {
    position: fixed; inset: 0; z-index: 2000;
    display: grid; place-items: center;
    background: rgba(244, 246, 251, .35);
    backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
    opacity: 0; visibility: hidden;
    transition: opacity .35s ease, visibility .35s ease;
}
body.is-loading .wk-loader { opacity: 1; visibility: visible; }

.wk-spinner {
    width: 44px; height: 44px; border-radius: 50%;
    border: 4px solid rgba(79, 70, 229, .15);
    border-top-color: var(--wk-primary);
    border-right-color: var(--wk-accent);
    animation: wk-spin .8s linear infinite;
}
.wk-spinner-lg { width: 64px; height: 64px; border-width: 5px; }
@keyframes wk-spin { to { transform: rotate(360deg); } }

/* ---------- Overlay de envio de comando ---------- */
.wk-overlay {
    position: fixed; inset: 0; z-index: 1990;
    display: grid; place-items: center;
    background: rgba(17, 24, 39, .18);
    backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
    animation: wk-fade .2s ease;
}
.wk-overlay[hidden] { display: none; }
.wk-overlay-card {
    background: rgba(255, 255, 255, .92);
    border: 1px solid var(--wk-border);
    border-radius: 24px; padding: 2rem 2.5rem;
    box-shadow: var(--wk-shadow-lg);
    display: flex; flex-direction: column; align-items: center; gap: .9rem;
    min-width: 280px; text-align: center;
    animation: wk-pop .25s cubic-bezier(.2, .9, .3, 1.3);
}
.wk-overlay-title { font-weight: 700; font-size: 1.1rem; }
.wk-overlay-sub { color: var(--wk-muted); font-size: .9rem; }
@keyframes wk-fade { from { opacity: 0; } }
@keyframes wk-pop { from { opacity: 0; transform: scale(.92); } }

/* ---------- Navbar ---------- */
.wk-navbar {
    background: rgba(255, 255, 255, .72);
    backdrop-filter: saturate(180%) blur(14px); -webkit-backdrop-filter: saturate(180%) blur(14px);
    border-bottom: 1px solid var(--wk-border);
    padding: .7rem 0;
}
.wk-brand { font-weight: 800; letter-spacing: -.02em; display: flex; align-items: center; gap: .55rem; color: var(--wk-text) !important; }
.wk-logo {
    width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center;
    background: linear-gradient(135deg, var(--wk-primary), var(--wk-accent)); color: #fff; font-size: 1rem;
    box-shadow: 0 6px 16px rgba(79, 70, 229, .35);
}
.wk-navbar .nav-link { color: var(--wk-muted); font-weight: 500; border-radius: 10px; padding: .45rem .8rem !important; }
.wk-navbar .nav-link:hover { color: var(--wk-text); background: rgba(17, 24, 39, .04); }
.wk-navbar .nav-link.active { color: var(--wk-primary); background: var(--wk-primary-50); }
.wk-navbar .nav-link i { margin-right: .25rem; }
.wk-user-btn { display: flex; align-items: center; gap: .5rem; border: 1px solid var(--wk-border); border-radius: 999px; padding: .25rem .8rem .25rem .25rem; background: #fff; font-weight: 500; }
.wk-avatar { width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center; font-size: .78rem; font-weight: 700; color: #fff; background: linear-gradient(135deg, #818cf8, var(--wk-primary)); }
.wk-dropdown { border: 1px solid var(--wk-border); border-radius: 14px; box-shadow: var(--wk-shadow); padding: .4rem; }
.wk-dropdown .dropdown-item { border-radius: 8px; }

.wk-main { flex: 1; padding-top: 2rem; padding-bottom: 2rem; }
.wk-footer { color: var(--wk-muted); font-size: .82rem; padding: 1.2rem 12px 2rem; text-align: center; }

/* ---------- Componentes ---------- */
.wk-page-head { display: flex; flex-wrap: wrap; align-items: end; justify-content: space-between; gap: 1rem; margin-bottom: 1.5rem; }
.wk-page-head h1 { font-size: 1.65rem; font-weight: 800; letter-spacing: -.025em; margin: 0; }
.wk-page-head p { color: var(--wk-muted); margin: .25rem 0 0; }

.wk-card {
    background: var(--wk-surface); border: 1px solid var(--wk-border);
    border-radius: var(--wk-radius); box-shadow: var(--wk-shadow);
}
.wk-card-body { padding: 1.5rem; }

.btn { border-radius: 12px; font-weight: 600; padding: .55rem 1.1rem; }
.btn-sm { border-radius: 10px; padding: .35rem .7rem; }
.btn-primary {
    --bs-btn-bg: var(--wk-primary); --bs-btn-border-color: var(--wk-primary);
    --bs-btn-hover-bg: var(--wk-primary-600); --bs-btn-hover-border-color: var(--wk-primary-600);
    --bs-btn-active-bg: var(--wk-primary-600); --bs-btn-active-border-color: var(--wk-primary-600);
    --bs-btn-disabled-bg: var(--wk-primary); --bs-btn-disabled-border-color: var(--wk-primary);
    box-shadow: 0 6px 16px rgba(79, 70, 229, .25);
}
.btn-light { --bs-btn-bg: #fff; --bs-btn-border-color: var(--wk-border); --bs-btn-hover-bg: #f8f9fc; --bs-btn-hover-border-color: #d8dbe8; }
.btn-soft-danger { color: var(--wk-danger); background: #fef2f2; border: 1px solid #fee2e2; }
.btn-soft-danger:hover { color: #fff; background: var(--wk-danger); border-color: var(--wk-danger); }

.form-control, .form-select { border-radius: 12px; border-color: var(--wk-border); padding: .6rem .85rem; background-color: #fbfbfe; }
.form-control:focus, .form-select:focus { border-color: #a5b4fc; box-shadow: 0 0 0 4px rgba(99, 102, 241, .15); background-color: #fff; }
.form-label { font-weight: 600; font-size: .88rem; margin-bottom: .35rem; }
.form-text { color: var(--wk-muted); }
.form-check-input:checked { background-color: var(--wk-primary); border-color: var(--wk-primary); }
.form-switch .form-check-input { width: 2.4em; height: 1.3em; }
.field-validation-error { color: var(--wk-danger); font-size: .82rem; }

.wk-section-title { font-size: .78rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--wk-muted); margin: 1.5rem 0 .8rem; }

.wk-table { margin: 0; }
.wk-table thead th { font-size: .75rem; text-transform: uppercase; letter-spacing: .05em; color: var(--wk-muted); font-weight: 700; background: #fafbfe; border-bottom: 1px solid var(--wk-border); padding: .9rem 1rem; white-space: nowrap; }
.wk-table td { padding: .9rem 1rem; vertical-align: middle; border-color: #f0f1f6; }
.wk-table tbody tr:hover { background: #fafbff; }
.wk-table tbody tr:last-child td { border-bottom: 0; }

.wk-badge { display: inline-flex; align-items: center; gap: .3rem; font-size: .75rem; font-weight: 600; padding: .25rem .6rem; border-radius: 999px; }
.wk-badge-primary { background: var(--wk-primary-50); color: var(--wk-primary); }
.wk-badge-success { background: #ecfdf5; color: #047857; }
.wk-badge-danger { background: #fef2f2; color: #b91c1c; }
.wk-badge-muted { background: #f3f4f6; color: #4b5563; }
.wk-badge-info { background: #ecfeff; color: #0e7490; }

.wk-empty { text-align: center; padding: 3.5rem 1rem; color: var(--wk-muted); }
.wk-empty i { font-size: 2.6rem; color: #c7cbe0; display: block; margin-bottom: .75rem; }

.wk-check-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: .6rem; }
.wk-check-tile { display: flex; align-items: center; gap: .7rem; border: 1px solid var(--wk-border); border-radius: 12px; padding: .7rem .85rem; cursor: pointer; background: #fff; transition: border-color .15s, background .15s; }
.wk-check-tile:hover { border-color: #c7d2fe; }
.wk-check-tile:has(input:checked) { border-color: #a5b4fc; background: var(--wk-primary-50); }
.wk-check-tile .form-check-input { margin: 0; flex-shrink: 0; }
.wk-check-tile small { display: block; color: var(--wk-muted); }

/* ---------- Tela de acionamento ---------- */
.wk-door-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 1.25rem; }
.wk-door {
    position: relative; overflow: hidden;
    background: var(--wk-surface); border: 1px solid var(--wk-border); border-radius: 22px;
    box-shadow: var(--wk-shadow); padding: 1.5rem;
    display: flex; flex-direction: column; gap: 1.1rem;
    transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.wk-door:hover { transform: translateY(-3px); box-shadow: var(--wk-shadow-lg); border-color: #c7d2fe; }
.wk-door::before {
    content: ""; position: absolute; inset: 0 0 auto 0; height: 4px;
    background: linear-gradient(90deg, var(--wk-primary), var(--wk-accent));
    opacity: .85;
}
.wk-door-head { display: flex; align-items: center; gap: .9rem; }
.wk-door-icon {
    width: 52px; height: 52px; border-radius: 16px; display: grid; place-items: center; font-size: 1.45rem;
    color: var(--wk-primary); background: var(--wk-primary-50); transition: all .3s ease;
}
.wk-door.is-open .wk-door-icon { color: #fff; background: var(--wk-success); transform: rotate(-8deg) scale(1.05); }
.wk-door-name { font-weight: 700; font-size: 1.08rem; line-height: 1.25; }
.wk-door-loc { color: var(--wk-muted); font-size: .86rem; }
.wk-open-btn {
    width: 100%; border: 0; border-radius: 16px; padding: .95rem 1rem; font-weight: 700; font-size: 1rem; color: #fff;
    background: linear-gradient(135deg, var(--wk-primary), #6366f1 55%, var(--wk-accent));
    box-shadow: 0 10px 24px rgba(79, 70, 229, .3);
    display: flex; align-items: center; justify-content: center; gap: .55rem;
    transition: transform .12s ease, box-shadow .2s ease, filter .2s ease;
}
.wk-open-btn:hover { filter: brightness(1.05); box-shadow: 0 14px 30px rgba(79, 70, 229, .38); }
.wk-open-btn:active { transform: scale(.98); }
.wk-open-btn:disabled { filter: grayscale(.2) brightness(.95); cursor: progress; }
.wk-open-btn .spinner-border { width: 1.1rem; height: 1.1rem; border-width: .16em; }

/* ---------- Login ---------- */
.wk-auth-shell { align-items: center; justify-content: center; padding: 1.5rem 16px; }
.wk-auth-card { width: 100%; max-width: 410px; padding: 2.4rem 2.2rem; }
.wk-auth-logo { width: 60px; height: 60px; border-radius: 18px; font-size: 1.6rem; margin: 0 auto 1.1rem; }
.wk-auth-title { font-weight: 800; letter-spacing: -.03em; font-size: 1.7rem; text-align: center; margin-bottom: .2rem; }
.wk-auth-sub { color: var(--wk-muted); text-align: center; margin-bottom: 1.8rem; }
.wk-input-icon { position: relative; }
.wk-input-icon > i { position: absolute; left: .9rem; top: 50%; transform: translateY(-50%); color: #9ca3af; }
.wk-input-icon > .form-control { padding-left: 2.5rem; }

/* ---------- Toasts ---------- */
.wk-toast { border: 1px solid var(--wk-border); border-radius: 14px; box-shadow: var(--wk-shadow-lg); background: rgba(255, 255, 255, .96); backdrop-filter: blur(8px); min-width: 300px; }
.wk-toast .toast-body { display: flex; gap: .7rem; align-items: flex-start; padding: .9rem 1rem; font-weight: 500; }
.wk-toast .toast-body i { font-size: 1.2rem; line-height: 1.2; }

@media (max-width: 576px) {
    .wk-main { padding-top: 1.25rem; }
    .wk-page-head h1 { font-size: 1.4rem; }
    .wk-card-body { padding: 1.1rem; }
    .wk-auth-card { padding: 2rem 1.4rem; }
    .wk-table-responsive-hide { display: none; }
}