/* --- Boutons common : base commune --- */
.common__btn,
.common__btn--secondary,
.common__btn--ghost,
.common__btn--danger {
    display: inline-block;
    padding: 0.75rem 2rem;
    border-radius: var(--radius-full);
    font-size: 0.9rem;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    border: 1.5px solid transparent;
    transition: all var(--transition-base);
}

/* Primaire (gradient bleu) */
.common__btn {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    box-shadow: var(--shadow-md);
}

.common__btn:hover {
    opacity: 0.9;
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
    color: var(--color-white);
    text-decoration: none;
}

/* Secondaire (outline bleu) */
.common__btn--secondary {
    background: none;
    border-color: var(--color-primary-dark);
    color: var(--color-primary-dark);
}

.common__btn--secondary:hover {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

/* Ghost (outline gris — annulation) */
.common__btn--ghost {
    background: none;
    border-color: var(--color-border);
    color: var(--color-text-muted);
}

.common__btn--ghost:hover {
    border-color: var(--color-primary-dark);
    color: var(--color-primary-dark);
    transform: translateY(-1px);
}

/* Danger (gradient rouge) */
.common__btn--danger {
    background: linear-gradient(135deg, var(--color-error-dark) 0%, var(--color-error) 100%);
    color: var(--color-white);
    box-shadow: var(--shadow-md);
}

.common__btn--danger:hover {
    opacity: 0.9;
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
    color: var(--color-white);
}

.common__btn--sm {
    padding: 0.375rem 1rem;
    font-size: 0.8125rem;
}

/* --- Formulaire --- */
.common__field {
    margin-bottom: 1.25rem;
}

.common__label {
    display: block;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--color-text-muted);
    margin-bottom: 0.5rem;
}

.common__input,
.common__textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    font-size: 0.875rem;
    color: var(--color-text);
    background-color: var(--color-background);
    transition: all var(--transition-base);
    font-family: var(--font-family-body);
    box-sizing: border-box;
}

.common__textarea {
    resize: vertical;
    min-height: 140px;
}

.common__input::placeholder,
.common__textarea::placeholder {
    color: var(--color-text-light);
}

.common__input:focus,
.common__textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    background-color: var(--color-white);
    box-shadow: var(--shadow-focus);
}

.common__input.is-error,
.common__textarea.is-error {
    border-color: var(--color-error);
}

.common__error {
    margin: 0.375rem 0 0;
    font-size: 0.8rem;
    color: var(--color-error);
}

/* --- Lien retour --- */
.common__back-link {
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: 0.8125rem;
    transition: color var(--transition-base);
    display: inline-block;
    margin-bottom: 1.25rem;
}

.common__back-link:hover {
    color: var(--color-primary);
}