/* ===== 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 {
    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-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;
}

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

.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); }

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

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

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

.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 {
    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; }

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

.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." }

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