/* ===== Design Tokens ===== */
:root {
    --sidebar-w: 250px;
    --topbar-h: 56px;
    --clr-primary: #4f46e5;
    --clr-primary-hover: #4338ca;
    --clr-sidebar: #111827;
    --clr-sidebar-text: #9ca3af;
    --clr-sidebar-active: #818cf8;
    --clr-bg: #f1f5f9;
    --clr-surface: #ffffff;
    --clr-border: #e2e8f0;
    --clr-text: #1e293b;
    --clr-muted: #64748b;
    --radius: 0.5rem;
}

*, *::before, *::after { box-sizing: border-box; }

html, body { margin: 0; padding: 0; height: 100%; }

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: var(--clr-bg);
    color: var(--clr-text);
}

/* ===== Authenticated Shell ===== */
.app-shell {
    display: flex;
    height: 100vh;
    overflow: hidden;
}

/* --- Sidebar --- */
.sidebar {
    width: var(--sidebar-w);
    min-width: var(--sidebar-w);
    background: var(--clr-sidebar);
    color: var(--clr-sidebar-text);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
}

.sidebar-brand {
    padding: 1.25rem 1.25rem;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}

.sidebar-brand a {
    color: #fff;
    text-decoration: none;
    font-size: 1.2rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.sidebar-brand i {
    font-size: 1.4rem;
    color: var(--clr-sidebar-active);
}

.sidebar-nav {
    flex: 1;
    padding: 0.75rem 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.125rem;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.6rem 0.75rem;
    border-radius: var(--radius);
    color: var(--clr-sidebar-text);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    border: none;
    background: none;
    width: 100%;
    cursor: pointer;
    text-align: left;
    transition: background 0.15s, color 0.15s;
}

.sidebar-link:hover {
    background: rgba(255,255,255,0.06);
    color: #e5e7eb;
}

.sidebar-link.active {
    background: rgba(129,140,248,0.12);
    color: var(--clr-sidebar-active);
}

.sidebar-link i {
    font-size: 1.1rem;
    width: 1.25rem;
    text-align: center;
    flex-shrink: 0;
}

.sidebar-footer {
    padding: 0.75rem;
    border-top: 1px solid rgba(255,255,255,0.06);
}

/* --- Sidebar: section labels --- */
.sidebar-section-label {
    font-size: 0.6rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: rgba(255,255,255,0.3);
    padding: 0.9rem 0.75rem 0.3rem;
    user-select: none;
}

/* --- Sidebar: collapsible groups --- */
.sidebar-group-toggle {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.6rem 0.75rem;
    border-radius: var(--radius);
    color: var(--clr-sidebar-text);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    border: none;
    background: none;
    width: 100%;
    cursor: pointer;
    text-align: left;
    transition: background 0.15s, color 0.15s;
}

.sidebar-group-toggle:hover {
    background: rgba(255,255,255,0.06);
    color: #e5e7eb;
}

.sidebar-group-toggle.has-active {
    color: var(--clr-sidebar-active);
}

.sidebar-group-toggle .group-icon {
    font-size: 1.1rem;
    width: 1.25rem;
    text-align: center;
    flex-shrink: 0;
}

.sidebar-group-toggle .group-label { flex: 1; }

.sidebar-group-toggle .group-chevron {
    font-size: 0.65rem;
    opacity: 0.5;
    transition: transform 0.2s ease;
}

.sidebar-group-toggle.expanded .group-chevron {
    transform: rotate(90deg);
}

.sidebar-sub-items {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.25s ease;
}

.sidebar-sub-items.expanded {
    max-height: 600px;
}

.sidebar-sub-link {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.45rem 0.75rem 0.45rem 2.75rem;
    border-radius: var(--radius);
    color: var(--clr-sidebar-text);
    text-decoration: none;
    font-size: 0.8rem;
    font-weight: 400;
    transition: background 0.15s, color 0.15s;
    opacity: 0.85;
}

.sidebar-sub-link:hover {
    background: rgba(255,255,255,0.06);
    color: #e5e7eb;
    opacity: 1;
}

.sidebar-sub-link.active {
    background: rgba(129,140,248,0.12);
    color: var(--clr-sidebar-active);
    opacity: 1;
    font-weight: 500;
}

.sidebar-sub-link i {
    font-size: 0.75rem;
    width: 1rem;
    text-align: center;
    flex-shrink: 0;
}

/* --- Main wrapper (topbar + content) --- */
.main-wrapper {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
    overflow-y: auto;
}

.topbar {
    height: var(--topbar-h);
    min-height: var(--topbar-h);
    background: var(--clr-surface);
    border-bottom: 1px solid var(--clr-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.5rem;
}

.topbar-user {
    font-size: 0.85rem;
    color: var(--clr-muted);
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.main-content {
    flex: 1;
    padding: 1.5rem 2rem;
    max-width: 1100px;
    width: 100%;
}

/* ===== Loading Shell ===== */
.loading-shell {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: #0f172a;
}

/* ===== Public Shell (login) ===== */
.public-shell {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #0f172a 0%, #1e1b4b 50%, #312e81 100%);
}

/* ===== Login ===== */
.login-card {
    background: var(--clr-surface);
    border-radius: 0.75rem;
    padding: 2.5rem;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

.login-brand {
    text-align: center;
    margin-bottom: 1.75rem;
}

.login-brand i {
    font-size: 2.25rem;
    color: var(--clr-primary);
}

.login-brand span {
    display: block;
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--clr-text);
    margin-top: 0.4rem;
}

.login-card h1 {
    font-size: 1.35rem;
    font-weight: 700;
    margin-bottom: 0.2rem;
}

.login-card .subtitle {
    color: var(--clr-muted);
    font-size: 0.85rem;
    margin-bottom: 1.5rem;
}

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

.page-header h1 {
    font-size: 1.4rem;
    font-weight: 700;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* ===== Cards ===== */
.card-anaue {
    background: var(--clr-surface);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius);
    box-shadow: 0 1px 3px rgba(0,0,0,0.04);
    overflow: hidden;
}

.card-anaue .card-header {
    background: transparent;
    border-bottom: 1px solid var(--clr-border);
    padding: 1rem 1.25rem;
    font-weight: 600;
}

.card-anaue .card-body {
    padding: 1.25rem;
}

/* ===== Table ===== */
.table-anaue { margin: 0; }

.table-anaue thead th {
    background: var(--clr-bg);
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--clr-muted);
    border-bottom: 1px solid var(--clr-border);
    padding: 0.7rem 1rem;
}

.table-anaue tbody td {
    padding: 0.8rem 1rem;
    vertical-align: middle;
    border-bottom: 1px solid var(--clr-border);
}

.table-anaue tbody tr:hover {
    background: rgba(79,70,229,0.02);
}

/* ===== Buttons ===== */
.btn-primary {
    background: var(--clr-primary) !important;
    border-color: var(--clr-primary) !important;
}

.btn-primary:hover {
    background: var(--clr-primary-hover) !important;
    border-color: var(--clr-primary-hover) !important;
}

/* ===== Badges ===== */
.badge-status {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-status.aberto { background: #dcfce7; color: #166534; }
.badge-status.concluido { background: #dbeafe; color: #1e40af; }
.badge-status.fechado { background: #f1f5f9; color: #475569; }

/* ===== Stat Cards ===== */
.stat-card {
    background: var(--clr-surface);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius);
    padding: 1.25rem;
}

.stat-card .stat-label {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--clr-muted);
}

.stat-card .stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    margin-top: 0.25rem;
}

/* ===== Empty State ===== */
.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--clr-muted);
}

.empty-state i {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: block;
    opacity: 0.25;
}

/* ===== Form Validation ===== */
.valid.modified:not([type=checkbox]) { outline: 1px solid #26b050; }
.invalid { outline: 1px solid #e50000; }
.validation-message { color: #e50000; font-size: 0.85rem; }

/* ===== Error ===== */
.blazor-error-boundary {
    background: url(data:image/svg+xml;base64,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) no-repeat 1rem/1.8rem, #b32121;
    padding: 1rem 1rem 1rem 3.7rem;
    color: white;
}

.blazor-error-boundary::after { content: "Ocorreu um erro." }

/* ===== Calendário ===== */
.calendario-grid {
    display: flex;
    flex-direction: column;
}
.calendario-header {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    background: var(--clr-bg);
    border-bottom: 1px solid var(--clr-border);
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--clr-muted);
}
.calendario-dia-header {
    padding: 0.5rem;
    text-align: center;
}
.calendario-semana {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    min-height: 100px;
    border-bottom: 1px solid var(--clr-border);
}
.calendario-semana:last-child { border-bottom: none; }
.calendario-dia {
    border-right: 1px solid var(--clr-border);
    padding: 0.25rem;
    font-size: 0.85rem;
}
.calendario-dia:last-child { border-right: none; }
.calendario-dia.outro-mes { background: var(--clr-bg); color: var(--clr-muted); opacity: 0.6; }
.calendario-dia.hoje { background: rgba(79,70,229,0.06); }
.calendario-dia-numero { font-weight: 600; margin-bottom: 0.25rem; }
.calendario-evento {
    font-size: 0.7rem;
    padding: 0.15rem 0.35rem;
    margin-bottom: 0.2rem;
    border-radius: 4px;
    background: var(--clr-primary);
    color: white;
    cursor: pointer;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.calendario-evento:hover { opacity: 0.9; }

/* ===== Drawflow Editor (Fluxos Atendimento) ===== */
.drawflow-node-header {
    font-weight: 600;
    font-size: 0.8rem;
    padding: 0.35rem 0.5rem;
    border-bottom: 1px solid rgba(0,0,0,0.08);
    display: flex;
    align-items: center;
    gap: 0.4rem;
}
.drawflow-node-title { font-size: 0.75rem; padding: 0.25rem 0.5rem; color: #555; }
.drawflow-node-preview { font-size: 0.7rem; padding: 0.2rem 0.5rem; color: #777; max-width: 180px; overflow: hidden; text-overflow: ellipsis; }
.drawflow .drawflow-node.Inicio { background: #dcfce7; }
.drawflow .drawflow-node.Mensagem { background: #dbeafe; }
.drawflow .drawflow-node.Pergunta { background: #fef3c7; }
.drawflow .drawflow-node.Condicao { background: #e9d5ff; }
.drawflow .drawflow-node.Acao { background: #fce7f3; }
.drawflow .drawflow-node.TransferirHumano { background: #d1fae5; }
.drawflow .drawflow-node.Encerramento { background: #fee2e2; }

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .sidebar { display: none; }
    .main-content { padding: 1rem; }
}