:root {
    --og-color-primary: #0b4f9c;
    --og-color-primary-dark: #083b75;
    --og-color-primary-light: #2f80ed;
    --og-color-secondary: #1f7a4d;
    --og-color-secondary-dark: #155d39;
    --og-color-secondary-light: #2fa866;
    --og-color-white: #ffffff;
    --og-color-black: #111827;
    --og-color-gray-50: #f8fafc;
    --og-color-gray-100: #f1f5f9;
    --og-color-gray-200: #e2e8f0;
    --og-color-gray-300: #cbd5e1;
    --og-color-gray-500: #64748b;
    --og-color-gray-700: #334155;
    --og-color-gray-900: #0f172a;
    --og-color-success: #168a45;
    --og-color-warning: #f2c94c;
    --og-color-danger: #c62828;
    --og-color-info: #0284c7;
    --og-font-family: Arial, Helvetica, sans-serif;
    --og-border-radius-sm: 4px;
    --og-border-radius-md: 8px;
    --og-border-radius-lg: 12px;
    --og-border-color: var(--og-color-gray-200);
    --og-shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.08);
    --og-shadow-md: 0 8px 24px rgba(15, 23, 42, 0.12);
    --og-spacing-1: 4px;
    --og-spacing-2: 8px;
    --og-spacing-3: 12px;
    --og-spacing-4: 16px;
    --og-spacing-5: 24px;
    --og-spacing-6: 32px;
    --og-spacing-7: 48px;
    --og-container-width: 1120px;
}

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

html {
    min-height: 100%;
}

body {
    min-height: 100%;
    margin: 0;
    background: var(--og-color-gray-50);
    color: var(--og-color-gray-900);
    font-family: var(--og-font-family);
    font-size: 16px;
    line-height: 1.5;
}

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

a:hover {
    text-decoration: underline;
}

img {
    display: block;
    max-width: 100%;
    height: auto;
}

button,
input,
select,
textarea {
    font: inherit;
}

button {
    cursor: pointer;
}

input,
select,
textarea {
    width: 100%;
}

.container {
    width: min(var(--og-container-width), calc(100% - 32px));
    margin: 0 auto;
}

.section {
    padding: var(--og-spacing-7) 0;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--og-spacing-4);
}

.card {
    border: 1px solid var(--og-border-color);
    border-radius: var(--og-border-radius-md);
    background: var(--og-color-white);
    box-shadow: var(--og-shadow-sm);
    padding: var(--og-spacing-5);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--og-spacing-2);
    min-height: 40px;
    border: 1px solid transparent;
    border-radius: var(--og-border-radius-sm);
    padding: 10px 16px;
    font-weight: 700;
    line-height: 1.2;
    text-align: center;
    text-decoration: none;
}

.btn:hover {
    text-decoration: none;
}

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

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

.btn-outline {
    border-color: var(--og-color-primary);
    background: transparent;
    color: var(--og-color-primary);
}

.form-control {
    min-height: 42px;
    border: 1px solid var(--og-color-gray-300);
    border-radius: var(--og-border-radius-sm);
    background: var(--og-color-white);
    color: var(--og-color-gray-900);
    padding: 10px 12px;
}

.form-control:focus {
    border-color: var(--og-color-primary);
    outline: 2px solid rgba(11, 79, 156, 0.18);
    outline-offset: 0;
}

.badge {
    display: inline-flex;
    align-items: center;
    border-radius: 999px;
    background: var(--og-color-gray-100);
    color: var(--og-color-gray-700);
    padding: 4px 10px;
    font-size: 12px;
    font-weight: 700;
}

.alert {
    border: 1px solid var(--og-border-color);
    border-left: 4px solid var(--og-color-info);
    border-radius: var(--og-border-radius-md);
    background: var(--og-color-white);
    color: var(--og-color-gray-900);
    padding: var(--og-spacing-4);
}

.text-muted {
    color: var(--og-color-gray-500);
}