:root {
    --kw-font-sans: 'Inter', 'Segoe UI', system-ui, sans-serif;
    --kw-text: #1f2933;
    --kw-text-muted: #64748b;
    --kw-surface: #ffffff;
    --kw-surface-soft: #f2f4f8;
    --kw-border: #e5e7eb;
    --kw-primary: #2563eb;
    --kw-primary-dark: #1d4ed8;
}

html,
body {
    font-family: var(--kw-font-sans);
    background: var(--kw-surface-soft);
    color: var(--kw-text);
    min-height: 100vh;
}

a,
.btn-link {
    color: var(--kw-primary);
}

a:hover,
a:focus,
.btn-link:hover,
.btn-link:focus {
    color: var(--kw-primary-dark);
}

.btn-primary {
    background-color: var(--kw-primary);
    border-color: var(--kw-primary);
}

.btn-primary:hover,
.btn-primary:focus {
    background-color: var(--kw-primary-dark);
    border-color: var(--kw-primary-dark);
}

.card,
.card-header,
.card-body {
    background-color: var(--kw-surface);
}

.card {
    border: 1px solid var(--kw-border);
    border-radius: 12px;
    box-shadow: 0 6px 18px rgba(15, 23, 42, 0.08);
}

.card-header {
    border-bottom: 1px solid var(--kw-border);
}

.form-control,
.form-select {
    border-radius: 10px;
    border: 1px solid var(--kw-border);
    padding: 0.65rem 0.85rem;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--kw-primary);
    box-shadow: 0 0 0 0.1rem rgba(37, 99, 235, 0.15);
}

.table thead {
    background: var(--kw-surface-soft);
    color: var(--kw-text-muted);
}

.text-muted {
    color: var(--kw-text-muted) !important;
}

.login-page {
    background: linear-gradient(135deg, #f3f4f6 0%, #e5e7eb 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    margin: 0;
}

.login-card-simple {
    width: min(420px, 92vw);
    padding: 2.5rem;
    border-radius: 16px;
    border: 1px solid var(--kw-border);
    background: var(--kw-surface);
    box-shadow: 0 16px 36px rgba(15, 23, 42, 0.12);
}

.login-card-simple h1 {
    font-size: 1.75rem;
    margin-bottom: 0.75rem;
}

.login-card-simple p {
    color: var(--kw-text-muted);
    margin-bottom: 1.75rem;
}

.login-card-simple .form-label {
    font-weight: 600;
    font-size: 0.9rem;
}

.login-card-simple .small-info {
    color: var(--kw-text-muted);
    font-size: 0.85rem;
}