/* ═══════════════════════════════════════════
   IntrNet — Design System CSS
   Global tokens only. Component styles go in .razor.css files.
   ═══════════════════════════════════════════ */

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

:root {
    /* ── Colors: Primary ── */
    --color-primary: #2563EB;
    --color-primary-hover: #1D4ED8;
    --color-primary-light: #DBEAFE;
    --color-primary-text: #FFFFFF;

    /* ── Colors: Neutral ── */
    --color-bg: #FAFAFA;
    --color-surface: #FFFFFF;
    --color-border: #E5E7EB;
    --color-border-focus: #93C5FD;
    --color-text-primary: #1F2937;
    --color-text-secondary: #6B7280;
    --color-text-disabled: #9CA3AF;
    --color-text-on-dark: #FFFFFF;

    /* ── Colors: Status ── */
    --color-success: #059669;
    --color-success-light: #D1FAE5;
    --color-warning: #D97706;
    --color-warning-light: #FEF3C7;
    --color-error: #DC2626;
    --color-error-light: #FEE2E2;
    --color-info: #2563EB;
    --color-info-light: #DBEAFE;

    /* ── Colors: Navigation ── */
    --color-nav-bg: #1E293B;
    --color-nav-text: #CBD5E1;
    --color-nav-text-active: #FFFFFF;
    --color-nav-hover: #334155;

    /* ── Spacing (8px grid) ── */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;

    /* ── Border Radius ── */
    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 8px;
    --radius-full: 9999px;

    /* ── Shadows ── */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.10);

    /* ── Typography ── */
    --font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, 'Roboto', sans-serif;
    --font-size-page-title: 1.5rem;
    --font-size-section-title: 1.125rem;
    --font-size-card-title: 1rem;
    --font-size-body: 0.875rem;
    --font-size-label: 0.8125rem;
    --font-size-caption: 0.75rem;
    --font-size-badge: 0.6875rem;
    --font-weight-regular: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;

    /* ── Layout ── */
    --nav-width: 220px;
    --nav-width-collapsed: 48px;
    --topbar-height: 48px;
    --content-max-width: 1400px;
    --content-padding: var(--spacing-xl);
}

/* ── Global Reset ── */
html, body {
    font-family: var(--font-family);
    font-size: var(--font-size-body);
    color: var(--color-text-primary);
    background: var(--color-bg);
    margin: 0;
    padding: 0;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

::selection {
    background: var(--color-primary-light);
    color: var(--color-primary);
}

/* ── Card visibility — ensure MudPaper has visible borders ── */
.mud-paper.mud-elevation-1 {
    border: 1px solid var(--color-border);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

/* ── MudBlazor button text — remove uppercase globally ── */
.mud-button-label {
    text-transform: none;
    letter-spacing: 0;
}

/* ── Hide browser-native number input spinners ── */
input[type="number"]::-webkit-outer-spin-button,
input[type="number"]::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}
input[type="number"] {
    -moz-appearance: textfield;
}

/* ── Typography Utility Classes ── */
.text-page-title {
    font-size: var(--font-size-page-title);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    margin: 0 0 var(--spacing-lg) 0;
}

.text-section-title {
    font-size: var(--font-size-section-title);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    margin: 0 0 var(--spacing-md) 0;
}

.text-card-title {
    font-size: var(--font-size-card-title);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
}

.text-body {
    font-size: var(--font-size-body);
    font-weight: var(--font-weight-regular);
    color: var(--color-text-primary);
}

.text-label {
    font-size: var(--font-size-label);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
}

.text-caption {
    font-size: var(--font-size-caption);
    font-weight: var(--font-weight-regular);
    color: var(--color-text-secondary);
}

/* ── Blazor Error UI ── */
#blazor-error-ui {
    background: var(--color-error-light);
    color: var(--color-error);
    bottom: 0;
    box-shadow: var(--shadow-md);
    display: none;
    left: 0;
    padding: var(--spacing-md) var(--spacing-xl);
    position: fixed;
    width: 100%;
    z-index: 1000;
    text-align: center;
}

#blazor-error-ui .dismiss {
    cursor: pointer;
    position: absolute;
    right: var(--spacing-md);
    top: var(--spacing-xs);
}

/* ── Responsive ── */
@media (max-width: 768px) {
    :root {
        --content-padding: var(--spacing-md);
    }
}