:root {
    --bg-main: #FFFFFF;
    --bg-side: #FBFBFA;
    --text-dark: #37352F;
    --text-light: #73726E;
    --accent: #8A2BE2;
    --border: #EDECEC;
    --hover-bg: #EFEFEE;
    --card-bg: #FFFFFF;
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

body {
    margin: 0;
    font-family: var(--font-main);
    color: var(--text-dark);
    background-color: var(--bg-main);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
}

/* On enlève la "boite" blanche rigide pour un look plus aérien */
.auth-card {
    width: 100%;
    max-width: 320px; /* Plus étroit pour faire plus moderne */
    padding: 20px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    border-radius: 12px;
    background-color: var(--card-bg);
}

.auth-header {
    text-align: center;
    margin-bottom: 32px;
}

.auth-header h1 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 8px;
    letter-spacing: -0.5px;
}

.auth-header p {
    color: var(--text-light);
    font-size: 14px;
}

/* Formulaire style Notion : pas de cases oppressantes */
.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 12px;
    font-weight: 500;
    color: var(--text-light);
    margin-bottom: 4px;
    margin-left: 2px;
}

.form-group input {
    width: 100%;
    padding: 8px 12px;
    font-family: var(--font-main);
    font-size: 14px;
    background-color: var(--bg-side); /* Fond gris très léger comme Notion */
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-dark);
    box-sizing: border-box;
    transition: all 0.2s ease;
}

.form-group input:focus {
    outline: none;
    background-color: var(--bg-main);
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(138, 43, 226, 0.1);
}

/* Bouton plein et moderne */
.btn-auth {
    width: 100%;
    padding: 10px;
    background-color: var(--accent);
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    margin-top: 10px;
    transition: transform 0.1s;
}

.btn-auth:hover {
    opacity: 0.9;
}

.btn-auth:active {
    transform: scale(0.98);
}

/* Message d'erreur discret */
.error-message {
    font-size: 13px;
    color: #EB5757;
    background: rgba(235, 87, 87, 0.1);
    padding: 10px;
    border-radius: 6px;
    margin-bottom: 20px;
    text-align: center;
}

/* Footer / Lien de bas de page */
.auth-footer {
    margin-top: 24px;
    text-align: center;
    font-size: 13px;
    color: var(--text-light);
}

.auth-footer a {
    color: var(--text-dark);
    text-decoration: underline;
    text-underline-offset: 3px;
    font-weight: 500;
    transition: color 0.2s;
}

.auth-footer a:hover {
    color: var(--accent);
}