/* Main CSS - variables and reset */
:root {
    /* Modern Corporate Palette */
    --primary-color: #0f172a; /* Slate 900 */
    --primary-light: #334155; /* Slate 700 */
    --accent-color: #2563eb; /* Blue 600 */
    --accent-hover: #1d4ed8; /* Blue 700 */
    
    --bg-body: #f8fafc; /* Slate 50 */
    --bg-card: #ffffff;
    --bg-input: #f1f5f9; /* Slate 100 */

    --text-main: #1e293b; /* Slate 800 */
    --text-muted: #64748b; /* Slate 500 */
    --text-light: #94a3b8; /* Slate 400 */
    --text-inverted: #ffffff;

    --border: #e2e8f0; /* Slate 200 */
    --border-focus: #94a3b8;

    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);

    --font-main: 'Inter', system-ui, -apple-system, sans-serif;
}

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-main);
    background-color: var(--bg-body);
    color: var(--text-main);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.2s;
}

input, button {
    font-family: inherit;
    font-size: 1rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1.5rem;
    border-radius: 0.375rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    border: none;
}

.btn-primary {
    background-color: var(--accent-color);
    color: var(--text-inverted);
}

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

.btn-block {
    width: 100%;
}