body {
    background-color: #f7f3e8; /* beige modernisé */
    margin: 0;
    font-family: Arial, sans-serif;
    color: #4a3b2a;
}

/* HEADER */
.app-header {
    background: linear-gradient(90deg, goldenrod, #d4a017);
    padding: 25px;
    text-align: center;
    box-shadow: 0 2px 6px rgba(0,0,0,0.15);
}

.app-header h1 {
    color: #4a2c00;
    margin: 0;
    font-size: 2rem;
    letter-spacing: 1px;
}

/* FORMULAIRE GLOBAL */
.form {
    max-width: 700px;
    margin: 30px auto;
    padding: 0 15px;
    display: flex;
    flex-direction: column;
    gap: 25px;
}

/* CARTES / BLOCS */
.card {
    background: #fffdf7;
    padding: 20px;
    border-radius: 10px;
    border: 1px solid #e2d3a8;
    box-shadow: 0 3px 8px rgba(0,0,0,0.08);
}

.card h2 {
    margin-top: 0;
    color: #5a3d1e;
    font-size: 1.3rem;
    border-left: 4px solid goldenrod;
    padding-left: 10px;
}

/* INPUTS */
input {
    padding: 10px;
    border: 1px solid #c9b78a;
    border-radius: 6px;
    font-size: 1rem;
    background: #fff;
}

input:focus {
    outline: none;
    border-color: goldenrod;
    box-shadow: 0 0 4px rgba(218,165,32,0.5);
}

/* BOUTONS */
button {
    padding: 12px 18px;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    cursor: pointer;
    transition: 0.2s ease;
}

/* Bouton principal */
.submit-btn {
    background-color: goldenrod;
    color: white;
    font-weight: bold;
    margin-top: 10px;
}

.submit-btn:hover {
    background-color: #c69500;
}

/* Bouton ajouter mouvement */
.add-btn {
    background-color: #fff3cd;
    color: #7a5a1a;
    border: 1px solid goldenrod;
    font-weight: bold;
}

.add-btn:hover {
    background-color: #ffe8a3;
}

/* Bouton supprimer mouvement */
.remove-btn {
    background-color: #e8c4c4;
    color: #7a1a1a;
    border: 1px solid #b88;
    margin-top: 10px;
}

.remove-btn:hover {
    background-color: #d9a8a8;
}

/* BLOC MOUVEMENT */
.movement-block {
    display: flex;
    flex-direction: column;
    gap: 10px;
    background: #fffaf0;
    padding: 15px;
    border-radius: 8px;
    border: 1px solid #e6d7b0;
    margin-bottom: 15px;
}

/* RESULTATS */
.result {
    max-width: 700px;
    margin: 30px auto;
    background: #fffdf7;
    padding: 20px;
    border-radius: 10px;
    border-left: 5px solid goldenrod;
    box-shadow: 0 3px 8px rgba(0,0,0,0.08);
    font-size: 1.2rem;
}

.result strong {
    color: #4a2c00;
}

/* FOOTER */
.app-footer {
    background-color: #f1e3b3;
    padding: 15px;
    text-align: center;
    color: #5a3d1e;
    font-size: 0.9rem;
    border-top: 2px solid goldenrod;
    margin-top: 40px;
}