:root {
    --primary: #2563eb;
    --primary-dark: #1e40af;
    --danger: #dc2626;
    --bg: #f1f5f9;
    --card: #ffffff;
    --border: #e5e7eb;
    --text: #1f2933;
    --muted: #6b7280;
}

/* RESET */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', system-ui, sans-serif;
    background: var(--bg);
    color: var(--text);
}

/* STRUCTURE */
.container {
    max-width: 1600px;
    margin: auto;
    padding: 20px;
}

/* TITRES */
h1 {
    font-size: 1.8rem;
    margin-bottom: 16px;
}

h2 {
    font-size: 1.2rem;
    margin: 20px 0 12px;
    color: var(--muted);
}

/* INPUTS */
input, select {
    padding: 10px 12px;
    border-radius: 8px;
    border: 1px solid var(--border);
}

input:focus, select:focus {
    outline: none;
    border-color: var(--primary);
}

/* BOUTONS */
button {
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 10px;
    padding: 10px 18px;
    font-weight: 600;
    cursor: pointer;
    transition: .2s;
}

button:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
}