:root {
    --color-primary:    #4472C4;
    --color-dark:       #1a1a1a;
    --color-accent-red: #E74C3C;
    --color-success:    #28a745;
    --color-warning:    #ffc107;
    --color-danger:     #dc3545;
    --color-info:       #17a2b8;
    --color-secondary:  #6c757d;
    --color-bg:         #f5f5f5;
    --color-card-bg:    #ffffff;
    --color-text:       #333333;
    --color-text-muted: #6c757d;
}

html { font-size: 14px; }
@media (min-width: 768px) { html { font-size: 16px; } }

body {
    background-color: var(--color-bg);
    color: var(--color-text);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main.site-main {
    flex: 1 0 auto;
}

/* ---------- Header ---------- */
.site-header {
    background-color: var(--color-dark);
    color: #fff;
    padding: 0.75rem 1.25rem;
}

.site-header .brand {
    font-size: 1.5rem;
    font-weight: 600;
    color: #fff;
    letter-spacing: -0.02em;
}

.site-header .brand-accent {
    color: var(--color-accent-red);
}

.site-header .brand-tagline {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.75rem;
    margin-top: -2px;
}

.site-header .user-box {
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.9rem;
}

/* ---------- Nav ---------- */
.site-nav {
    background-color: var(--color-primary);
    padding: 0.25rem 1rem;
}

.site-nav .nav-link {
    color: rgba(255, 255, 255, 0.9);
    padding: 0.5rem 1rem;
    border-radius: 0.25rem;
    font-weight: 500;
}

.site-nav .nav-link:hover {
    background-color: rgba(255, 255, 255, 0.12);
    color: #fff;
}

.site-nav .nav-link.active {
    background-color: rgba(0, 0, 0, 0.25);
    color: #fff;
}

.site-nav .nav-link i {
    margin-right: 0.35rem;
}

/* ---------- Cards / panels ---------- */
.card {
    background-color: var(--color-card-bg);
    border: 1px solid #e6e6e6;
}

/* ---------- Footer ---------- */
.site-footer {
    background-color: #fff;
    flex-shrink: 0;
}

/* ---------- Status badges ---------- */
.badge {
    font-weight: 500;
    padding: 0.4em 0.7em;
}

/* ---------- Print layout ---------- */
.print-body {
    background-color: #fff;
}

.print-container {
    max-width: 800px;
    padding: 2rem 1rem;
}

@media print {
    .d-print-none { display: none !important; }
    .print-body { background: #fff; }
    .print-container { max-width: 100%; padding: 0; }
    a { color: inherit; text-decoration: none; }
}