input[type="date"]::-webkit-calendar-picker-indicator {
    display: none;
    -webkit-appearance: none;
}

form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    max-width: 600px;
    margin: 3rem auto;
    text-align: left;
    background: var(--white);
    padding: 2.5rem;
    border-radius: var(--radius);
    border: 1px solid #e2e8f0;
    box-shadow: var(--shadow-hover);
}

form h1 {
    text-align: center;
}

form h1.form-title-devoir {
    color: #dd6b20;
}

.champ {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.champ label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--dark);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.champ input,
.champ select,
.champ textarea {
    padding: 0.8rem 1rem;
    border: 2px solid #edf2f7;
    border-radius: 8px;
    font-size: 1rem;
    font-family: 'Inter', sans-serif;
    color: var(--text);
    transition: var(--transition);
    background: #fdfdfd;
}

.champ input:focus,
.champ select:focus,
.champ textarea:focus {
    outline: none;
    border-color: var(--primary);
    background: var(--white);
    box-shadow: 0 0 0 4px rgba(79, 142, 247, 0.1);
}

.champ textarea {
    resize: vertical;
    min-height: 120px;
}

.champ .hint {
    font-size: 0.9rem;
    color: var(--text-light);
}

form .bouton {
    justify-content: center;
    margin-top: 1rem;
}

form .bouton-devoir {
    background-color: #f6ad55;
}

form .bouton-devoir:hover {
    background-color: #dd6b20;
}

.visitor-login-form {
    margin-top: -1.5rem;
    padding-top: 1.2rem;
    gap: 0.8rem;
    background: linear-gradient(180deg, #fff, #f7fbff);
}

.visitor-login-form p {
    margin: 0;
    color: var(--text-light);
    font-size: 0.92rem;
    text-align: center;
}

form .bouton-visiteur {
    margin-top: 0;
    background: #16213e;
}

form .bouton-visiteur:hover {
    background: #243b6b;
}

.btn-form-secondaire {
    align-self: flex-start;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    min-height: 40px;
    margin-top: 0.15rem;
    padding: 0.55rem 0.8rem;
    border-radius: 8px;
    background: #fffaf0;
    color: #dd6b20;
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
}

.btn-form-secondaire:hover {
    background: #feebc8;
    color: #c05621;
}

.btn-annuler {
    display: block;
    text-align: center;
    color: var(--text-light);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    margin-top: 0.5rem;
    padding: 0.5rem;
    transition: var(--transition);
}

.btn-annuler:hover {
    color: var(--dark);
    text-decoration: underline;
}

@media (max-width: 720px) {
    form {
        width: 100%;
        margin: 0.5rem auto 1.5rem;
        padding: 1.2rem;
        gap: 1.1rem;
        border-radius: 18px;
        box-shadow: 0 14px 34px rgba(15, 23, 42, 0.08);
    }

    form h1 {
        text-align: left;
    }

    .champ {
        gap: 0.45rem;
    }

    .champ input,
    .champ select,
    .champ textarea {
        font-size: 16px;
        min-height: 48px;
        border-radius: 12px;
        padding: 0.85rem 0.95rem;
    }

    .champ textarea {
        min-height: 160px;
    }

    .btn-annuler {
        min-height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .btn-form-secondaire {
        width: 100%;
        min-height: 44px;
    }
}