:root {
    --bleu: #3a5a72;
    --coral: #c47e6b;
    --coral-light: #d9a090;
    --creme: #faf7f4;
    --dark: #1e2d38;
}

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

body {
    font-family: 'DM Sans', sans-serif;
    background: var(--creme);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.card {
    background: white;
    border-radius: 16px;
    padding: 2.25rem 2rem;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.08);
    width: 100%;
    max-width: 380px;
}

.logo {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--bleu);
    text-align: center;
    margin-bottom: 0.25rem;
}

.logo em {
    color: var(--coral);
    font-style: normal;
}

.subtitle {
    text-align: center;
    font-size: 0.78rem;
    color: #aaa;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 1.75rem;
}

.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--bleu);
    margin-bottom: 0.3rem;
}

.form-group input {
    width: 100%;
    padding: 0.6rem 0.85rem;
    border: 1px solid #cdd9e3;
    border-radius: 8px;
    font-size: 0.9rem;
    font-family: 'DM Sans', sans-serif;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input:focus {
    border-color: var(--bleu);
    box-shadow: 0 0 0 3px rgba(58, 90, 114, 0.10);
}

.btn {
    width: 100%;
    background: var(--bleu);
    color: white;
    border: none;
    padding: 0.75rem;
    border-radius: 8px;
    font-size: 0.95rem;
    font-family: 'DM Sans', sans-serif;
    cursor: pointer;
    transition: background 0.2s;
}

.btn:hover {
    background: #4e728f;
}

.erreur {
    background: #fde8e8;
    color: #8b1c1c;
    border-radius: 8px;
    padding: 0.65rem 0.9rem;
    font-size: 0.83rem;
    margin-bottom: 1rem;
}

.back {
    display: block;
    text-align: center;
    margin-top: 1rem;
    font-size: 0.78rem;
    color: #aaa;
    text-decoration: none;
}

.back:hover {
    color: var(--bleu);
}