/**
 * Bedrijfsbingo - Global Styles
 * CSS variabelen, reset, en basis componenten
 */

/* ===========================
   CSS VARIABELEN
   =========================== */
:root {
    /* Kleuren */
    --color-primary: #2B5EBF;
    --color-secondary: #10B981;
    --color-danger: #EF4444;
    --color-warning: #F59E0B;
    --color-success: #22C55E;

    /* Grijstinten */
    --color-gray-50: #F9FAFB;
    --color-gray-100: #F3F4F6;
    --color-gray-200: #E5E7EB;
    --color-gray-300: #D1D5DB;
    --color-gray-400: #9CA3AF;
    --color-gray-500: #6B7280;
    --color-gray-600: #4B5563;
    --color-gray-700: #374151;
    --color-gray-800: #1F2937;
    --color-gray-900: #111827;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;

    /* Border radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);

    /* Typography */
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
}

/* ===========================
   RESET & BASE STYLES
   =========================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.5;
    color: var(--color-gray-900);
    background-color: var(--color-gray-50);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ===========================
   TYPOGRAPHY
   =========================== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

h1 { font-size: var(--font-size-3xl); }
h2 { font-size: var(--font-size-2xl); }
h3 { font-size: var(--font-size-xl); }
h4 { font-size: var(--font-size-lg); }

p {
    margin-bottom: var(--spacing-sm);
}

a {
    color: var(--color-primary);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* ===========================
   CONTAINER & LAYOUT
   =========================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

@media (min-width: 768px) {
    .container {
        padding: 0 var(--spacing-md);
    }
}

/* ===========================
   BUTTONS
   =========================== */
.btn {
    display: inline-block;
    padding: 0.625rem var(--spacing-sm);
    font-size: var(--font-size-base);
    font-weight: 500;
    text-align: center;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn:active {
    transform: translateY(0);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

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

.btn-primary:hover {
    background-color: #234B9F;
}

.btn-secondary {
    background-color: var(--color-secondary);
    color: white;
}

.btn-danger {
    background-color: var(--color-danger);
    color: white;
}

.btn-block {
    display: block;
    width: 100%;
}

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: var(--font-size-sm);
}

/* ===========================
   FORMS
   =========================== */
.form-group {
    margin-bottom: var(--spacing-sm);
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--color-gray-700);
}

.form-control {
    width: 100%;
    padding: 0.625rem;
    font-size: var(--font-size-base);
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    background-color: white;
    transition: border-color 0.2s;
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(43, 94, 191, 0.1);
}

.form-hint {
    display: block;
    margin-top: 0.25rem;
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
}

textarea.form-control {
    min-height: 100px;
    resize: vertical;
}

/* ===========================
   MESSAGES
   =========================== */
.error-message {
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    background-color: #FEE2E2;
    border: 1px solid var(--color-danger);
    border-radius: var(--radius-md);
    color: #991B1B;
}

.success-message {
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    background-color: #D1FAE5;
    border: 1px solid var(--color-success);
    border-radius: var(--radius-md);
    color: #065F46;
}

/* ===========================
   UTILITIES
   =========================== */
.text-center { text-align: center; }
.text-right { text-align: right; }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }